/* ==========================================================================
   FREQMAP — DA Pro Tool
   Principe : couleur = donnée ou état. Jamais décoration.
   Base neutre, hiérarchie typographique, cyan réservé aux données spectrales.
========================================================================== */

@import url("https://fonts.googleapis.com/css2?family=IBM+Plex+Mono:wght@400;500;600&family=Inter:wght@400;500;600&display=swap");

/* ==========================================================================
   1. VARIABLES
========================================================================== */
:root {
  /* Structure */
  --bg: #111111;
  --bg-surface: #171717;
  --bg-raised: #1e1e1e;
  --bg-input: #141414;
  --border: #2a2a2a;
  --border-strong: #383838;
  --panel-bg: #1a1a1a;
  --text-color: #e0e0e0;
  --accent-cyan: #00f3ff;

  /* Texte */
  --text-1: #d4d4d4; /* corps principal */
  --text-2: #8a8a8a; /* secondaire / labels */
  --text-3: #555555; /* tertiaire / muted */

  /* Accent — UNIQUEMENT pour données spectrales & états actifs */
  --cyan: #00c8d4;
  --cyan-dim: rgba(0, 200, 212, 0.1);
  --cyan-line: rgba(0, 200, 212, 0.3);

  /* Données spectrales (inchangées, elles portent du sens) */
  --sub-bass: #1d4ed8;
  --bass: #2563eb;
  --midrange: #16a34a;
  --high-mid: #ca8a04;
  --high-freq: #ea580c;

  /* États */
  --danger: #e05252;
  --warn: #d4a017;
}

/* Light MOD */

[data-theme="light"] {
  --bg: #f4f4f4;
  --bg-surface: #ffffff;
  --bg-raised: #ebebeb;
  --bg-input: #f9f9f9;
  --border: #dcdcdc;
  --border-strong: #c4c4c4;
  --tooltip-bg: #ffffff;
  --tooltip-text: #333333;
  --tooltip-border: #00a8b3;
  --tooltip-header: #008891;
  --panel-bg: #f0f0f0;
  --text-color: #222222;
  --accent-cyan: #008899;
  --modal-bg: #f8f9fa;
  --input-bg: #e9ecef;

  --text-1: #1a1a1a;
  --text-2: #555555;
  --text-3: #999999;

  --cyan: #0099a8;
  --cyan-dim: rgba(0, 153, 168, 0.1);
  --cyan-line: rgba(0, 153, 168, 0.3);

  --danger: #c0392b;
  --warn: #b07d00;
}

/* ==========================================================================
   2. BASE
========================================================================== */
*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  /* Réserve l'espace de la barre de défilement pour éviter le décalage */
  scrollbar-gutter: stable;
}

body.no-scroll {
  overflow: hidden;
}

body {
  margin: 0;
  font-family: "Inter", sans-serif;
  font-size: 13px;
  background: var(--bg);
  color: var(--text-1);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

h1,
h2,
h3,
h4 {
  font-family: "Inter", sans-serif;
  font-weight: 600;
  letter-spacing: 0;
  margin: 0 0 8px;
  color: var(--text-1);
}

h2 {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--text-2);
  font-weight: 500;
}

h3 {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-1);
}

.app-container {
  display: flex;
  min-height: 100vh;
}

.mobile-zone-info {
  display: none;
}

.tab-bar {
  display: none;
}

/* Le conteneur qui recouvre tout l'écran */
#feedback-modal {
    display: none; /* Caché par défaut */
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0,0,0,0.5); /* Fond semi-transparent */
    transition: opacity 0.3s ease, visibility 0.3s ease;
}

/* La classe qui active l'affichage */
#feedback-modal.is-visible {
    display: flex; /* Ou block */
    justify-content: center;
    align-items: center;
}

/* Ton contenu de modale existant */

/* Style du bouton pour respecter ta DA */
#feedback-btn {
  color: var(--accent-color);
  margin-top: 0px;
  margin-bottom: 20px;
  width: 100%;
  background: transparent;
  color: var(--text-1);
  border: 1px solid var(--border);
  padding: 10px 18px;
  border-radius: 6px;
  font-size: 0.9rem;
  cursor: pointer;
  transition:
    background 0.2s,
    border-color 0.2s,
    color 0.2s;
  text-align: center;
}

#feedback-btn:hover {
  background: var(--cyan-dim);
  border-color: var(--cyan);
  color: var(--cyan);
}

/* Modale cachée par défaut */
.modal {
  display: none;
  position: fixed;
  z-index: 1000;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.7); /* Overlay sombre */
}

.modal.is-visible {
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Overlay qui centre tout */
.modal-overlay {
    display: none; /* Caché par défaut */
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7); /* Fond sombre */
    backdrop-filter: blur(5px);
    z-index: 10000;
    justify-content: center; /* Centre horizontalement */
    align-items: center;      /* Centre verticalement */
}

.modal-overlay.is-visible {
    display: flex; /* Active le centrage */
}

/* Le bloc blanc/sombre de la modale */
.modal-content {
  position: relative;
  width: 90%;
  max-width: 450px;
  padding: 30px;
  border-radius: 8px;
  background-color: var(--modal-bg, #141414);
  border: 1px solid var(--accent-cyan, #00f3ff);
  box-shadow: 0 0 15px rgba(0, 243, 255, 0.25);
  
  /* Garantit que la modale reste lisible et scrollable sur petit écran */
  max-height: 85vh;
  overflow-y: auto;
}

.modal-content h2 {
    color: var(--accent-cyan);
    margin-top: 0;
    text-transform: uppercase;
    font-size: 1.2rem;
}

.modal-content textarea {

    width: 100%;
    min-height: 120px;
    background: #000;
    border: 1px solid #444;
    color: #fff;
    padding: 10px;
    margin: 20px 0;
    box-sizing: border-box; /* Important pour ne pas dépasser */
}

.close {
    display: flex;
    align-items: center;
    justify-content: center;
    position: absolute;
    top: 10px;
    right: 15px;
    font-size: 20px;
    cursor: pointer;
    color: var(--accent-cyan);
    border-radius: 50%;
    background: rgba(0, 0, 0, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    width: 40px;
    height: 40px;
    transition: all 0.2s;
}

.close:hover{
    background: rgba(255, 255, 255, 0.2);
}

.submit-btn-feedback {
    margin-top: 0px;
    margin-bottom: 20px;
    width: 100%;
    background: transparent;
    color: var(--text-1);
    border: 1px solid rgba(255, 255, 255, 0.18);
    padding: 10px 18px;
    border-radius: 6px;
    font-size: 0.9rem;
    cursor: pointer;
    transition: background 0.2s, border-color 0.2s, color 0.2s;
    text-align: center;
}

.submit-btn-feedback:hover {
    background: var(--cyan-dim);
    border-color: var(--cyan);
    color: var(--cyan);
}

/* ==========================================================================
  2.1  STYLE DE LA POPUP DE BIENVENUE (FREQMAP)
   ========================================================================== */

/* --- Overlay de la Popup --- */
.popup-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  opacity: 0;
  pointer-events: none;
  visibility: hidden;
  transition:
    opacity 0.3s ease,
    visibility 0.3s ease;
}

.popup-overlay.active {
  opacity: 1;
  pointer-events: auto;
  visibility: visible;
}

.lang-selector {
  display: flex;
  justify-content: center;
  gap: 10px;
  margin: 15px 0;
}

/* --- Carte de la Popup agrandie et responsive --- */
.popup-card {
  background: var(--bg-card, #1a1a1a);
  color: var(--text-color, #f5f5f5);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 12px;
  width: 90%;
  max-width: 650px; /* Plus large pour accueillir les légendes */
  max-height: 85vh;
  overflow: hidden;
  overflow-y: auto;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
  display: flex;
  flex-direction: column;
}

.popup-image {
  position: relative;
  display: inline-block;
  width: 100%;
  min-height: 180px;
  max-height: 240px;
  overflow: hidden;
  background: #111;
}

.popup-image img {
  width: 100%;
  height: auto;
  max-height: 240px;
  object-fit: cover;
  object-position: center;
  display: block;
}

/* En-tête */
.popup-header {
  display: flex;
  justify-content: center;
  align-items: center;
  position: relative;
  padding: 20px 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.popup-header h3 {
  margin: 0;
  font-family: "IBM Plex Mono", monospace;
  font-size: 20px;
  font-weight: 700;
  color: var(--text-1);
  letter-spacing: 3px;
  text-transform: uppercase;
  text-align: center;
  width: 100%;
}

.popup-close-btn {
  position: absolute;
  top: 10px;
  right: 10px;
  z-index: 100; /* Assure que la croix est au-dessus de l'image */

  /* Style pour ressembler au bouton menu/tab */
  background: rgba(0, 0, 0, 0.6);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: white;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  cursor: pointer;
  font-size: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s;
}

.popup-close-btn:hover {
  background: rgba(255, 255, 255, 0.2);
}

/* Corps */
.popup-body {
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.popup-intro {
  text-align: center;
  font-size: 1rem;
  line-height: 1.5;
}

/* Alerte FreqChart */
.info-box.status-warning {
  background: rgba(255, 171, 0, 0.1);
  border-left: 4px solid #ffab00;
  padding: 12px 16px;
  border-radius: 6px;
  display: flex;
  gap: 12px;
  align-items: flex-start;
}
.info-box p {
  text-align: center;
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.4;
  color: #ffe0b2;
}

/* Feuille de route & Légendes */
.roadmap-section h4 {
  text-align: center;
  margin: 0 0 4px 0;
  font-size: 1.05rem;
}
.roadmap-subtitle {
  text-align: center;
  font-size: 0.85rem;
  color: var(--text-muted, #aaa);
  margin-top: 0;
  margin-bottom: 12px;
}
.roadmap-legends {
  display: flex;
  flex-direction: column;
  gap: 10px;
  background: rgba(255, 255, 255, 0.03);
  padding: 12px;
  border-radius: 8px;
  border: 1px solid rgba(255, 255, 255, 0.05);
}
.legend-item {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
@media (min-width: 600px) {
  .legend-item {
    flex-direction: row;
    align-items: center;
    gap: 12px;
  }
}
.legend-badge {
  font-size: 0.75rem;
  font-weight: bold;
  padding: 4px 8px;
  border-radius: 4px;
  white-space: nowrap;
  text-transform: uppercase;
  text-align: center;
  width: fit-content;
}
.badge-eq {
  background: rgba(0, 173, 181, 0.2);
  color: #00adb5;
  border: 1px solid #00adb5;
}
.badge-conflict {
  background: rgba(255, 87, 87, 0.2);
  color: #ff5757;
  border: 1px solid #ff5757;
}
.badge-presets {
  background: rgba(155, 89, 182, 0.2);
  color: #9b59b6;
  border: 1px solid #9b59b6;
}

.legend-desc {
  text-align: center;
  font-size: 0.85rem;
  color: var(--text-muted, #ccc);
}

/* Zone Pitch de Soutien */
.support-pitch {
  text-align: center;
  font-size: 0.9rem;
  line-height: 1.4;
  border-top: 1px dashed rgba(255, 255, 255, 0.1);
  padding-top: 16px;
}

/* Pied de la popup */
.popup-footer {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  padding: 16px 24px;
  background: rgba(0, 0, 0, 0.2);
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  gap: 12px;
}
.dont-show-again {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  cursor: pointer;
  user-select: none;
}
.popup-actions {
  display: flex;
  gap: 10px;
}

/* Boutons */

.btn-support-primary {
  background: #e2574c; /* Rouge/Orange chaleureux type Ko-fi ou Patreon */
  color: #fff;
  border: none;
  padding: 10px 18px;
  font-size: 0.9rem;
  font-weight: bold;
  border-radius: 6px;
  cursor: pointer;
  text-decoration: none;
  transition:
    background 0.2s,
    transform 0.1s;
  display: inline-flex;
  align-items: center;
}
.btn-support-primary:hover {
  background: #ff6b5a;
  transform: translateY(-1px);
}
.btn-show-popup {
  margin-top: 12px;
  margin-bottom: 20px;
  width: 100%;
  background: transparent;
  color: var(--text-1);
  border: 1px solid var(--border);
  padding: 10px 18px;
  border-radius: 6px;
  font-size: 0.9rem;
  cursor: pointer;
  transition:
    background 0.2s,
    border-color 0.2s,
    color 0.2s;
  text-align: center;
}
.btn-show-popup:hover {
  background: var(--bg-raised);
  border-color: rgba(255, 255, 255, 0.28);
}
.btn-close-secondary {
  background: var(--bg);
  color: #fff;
  border: 1px solid var(--border);
  padding: 10px 16px;
  font-size: 0.9rem;
  border-radius: 6px;
  cursor: pointer;
  transition: background 0.2s;
}

.btn-close-secondary:hover {
  background: rgba(255, 255, 255, 0.2);
}

/* Compatibilité Light Mode */
[data-theme="light"] .popup-card {
  background: #ffffff;
  color: #333333;
  border-color: #e0e0e0;
}
[data-theme="light"] .popup-header {
  border-bottom-color: #e0e0e0;
}
[data-theme="light"] .popup-header h3 {
  color: #007a87;
}
[data-theme="light"] .roadmap-legends {
  background: #f9f9f9;
  border-color: #e0e0e0;
}
[data-theme="light"] .legend-desc {
  color: #555;
}
[data-theme="light"] .info-box.status-warning {
  background: #fff8e1;
  border-left-color: #ffb300;
}
[data-theme="light"] .info-box p {
  color: #b78103;
}
[data-theme="light"] .btn-close-secondary {
  background: #e0e0e0;
  color: #333;
}
[data-theme="light"] .btn-close-secondary:hover {
  background: #d5d5d5;
}

/* ==========================================================================
   3. SIDEBAR
========================================================================== */
.sidebar {
  width: 240px;
  min-width: 240px;
  background: var(--bg-surface);
  border-right: 1px solid var(--border);
  padding: 20px 16px;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

/* Séparateur discret */
.sidebar-separator {
  height: 1px;
  background: var(--border);
  margin: 20px 0;
  width: 100%;
}

/* Conteneur de soutien */
.sidebar-support {
  padding: 0 10px;
  margin-top: auto; /* Pousse le bouton vers le bas si la sidebar utilise flexbox */
}

/* Bouton de don sidebar */
.btn-sidebar-donate {
  display: flex;
  text-align: center;
  align-items: center;
  justify-content: center;
  gap: 10px;
  background: rgba(0, 243, 255, 0.05); /* Fond subtil cyan */
  border: 1px solid rgba(0, 243, 255, 0.2);
  color: var(--accent-cyan);
  padding: 12px 15px;
  border-radius: 6px;
  text-decoration: none;
  font-family: "IBM Plex Mono", monospace;
  font-size: 13px;
  font-weight: 500;
  transition: all 0.2s ease;
  cursor: pointer;
  width: 100%;
  box-sizing: border-box;
  margin-bottom: 15px;
}

.btn-sidebar-donate:hover {
  background: rgba(0, 243, 255, 0.15);
  border-color: var(--accent-cyan);
  box-shadow: 0 0 10px rgba(0, 243, 255, 0.2);
  transform: translateY(-1px);
}

.btn-sidebar-donate .heart-icon {
  font-size: 16px;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%,
  100% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.15);
  }
}

.sidebar-top {
  flex-grow: 1;
}

.logo {
  font-family: "IBM Plex Mono", monospace;
  font-size: 20px;
  font-weight: 700;
  color: var(--text-1);
  letter-spacing: 3px;
  text-transform: uppercase;
  margin-bottom: 24px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border);
  text-align: center;
}

/* Nav */
.nav-links {
  display: flex;
  flex-direction: column;
  gap: 1px;
  margin-bottom: 20px;
}

nav button,
.nav-links button {
  display: block;
  width: 100%;
  background: transparent;
  border: none;
  color: var(--text-2);
  padding: 7px 10px;
  cursor: pointer;
  text-align: left;
  font-family: "Inter", sans-serif;
  font-size: 12px;
  font-weight: 500;
  border-radius: 4px;
  transition:
    background 0.15s,
    color 0.15s;
}

nav button.active,
.nav-links button.active {
  color: var(--text-1);
  background: var(--bg-raised);
}

nav button:hover:not(.active),
.nav-links button:hover:not(.active) {
  color: var(--text-1);
  background: var(--bg-raised);
}

/* Filter groups */
.filter-group {
  margin-top: 16px;
  border-top: 1px solid var(--border);
  padding-top: 16px;
}

.filter-group label:first-child,
.filter-group > label,
.sidebar-section label {
  font-size: 10px;
  font-family: "IBM Plex Mono", monospace;
  color: var(--text-3);
  letter-spacing: 1.5px;
  text-transform: uppercase;
  display: flex;
  margin-bottom: 10px;
}

/* Checkbox list */
.checkbox-list {
  display: flex;
  flex-direction: column;
  gap: 2px;
  margin-top: 8px;
}

.filter-item {
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 7px 10px;
  border-radius: 4px;
  cursor: pointer;
  font-size: 10px;
  font-family: "IBM Plex Mono", monospace;
  color: var(--text-3);
  letter-spacing: 1.5px;
  text-transform: uppercase;
  transition:
    background 0.15s,
    color 0.15s;
  background: var(--bg);
  border: 1px solid var(--border);
  margin-bottom: 5px !important;
}

.filter-item:hover {
  background: var(--bg-raised);
  color: var(--text-1);
}

/* Checkbox */
.filter-item input[type="checkbox"] {
  appearance: none;
  width: 14px;
  height: 14px;
  min-width: 14px;
  border: 1px solid var(--border-strong);
  border-radius: 2px;
  background: var(--bg-input);
  cursor: pointer;
  position: relative;
  transition:
    border-color 0.15s,
    background 0.15s;
  flex-shrink: 0;
}

.filter-item input[type="checkbox"]:checked {
  background: var(--cyan-dim);
  border-color: var(--cyan);
}

.filter-item input[type="checkbox"]:checked::after {
  content: "";
  position: absolute;
  top: 2px;
  left: 4px;
  width: 4px;
  height: 7px;
  border: 1.5px solid var(--cyan);
  border-top: none;
  border-left: none;
  transform: rotate(45deg);
}

/* Sections internes */
.sidebar-section {
  margin-bottom: 12px;
}

.section-title {
  font-size: 10px;
  font-family: "IBM Plex Mono", monospace;
  color: var(--text-1);
  text-transform: uppercase;
  letter-spacing: 1.5px;
  margin-bottom: 20px;
}

/* Footer */
.sidebar-footer {
  margin-top: auto;
  padding-top: 16px;
  border-top: 1px solid var(--border);
  font-size: 11px;
  font-family: "IBM Plex Mono", monospace;
  color: var(--text-3);
  text-decoration: none;
  transition: color 0.3s ease;
}

.sidebar-footer a:hover {
  color: #00f3ff;
}

.sidebar-footer p {
  margin: 3px 0;
  text-align: center;
}

/* ==========================================================================
   4. BOUTONS
========================================================================== */

/* Primaire */

.lang-switcher {
  display: flex;
  gap: 4px;
  margin-bottom: 16px;
}

.lang-btn {
  flex: 1;
  background: transparent;
  border: 1px solid var(--border);
  border-radius: 3px;
  color: var(--text-3);
  font-family: "IBM Plex Mono", monospace;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 1px;
  padding: 5px 0;
  cursor: pointer;
  transition: all 0.15s;
}

.lang-btn:hover {
  color: var(--text-1);
  border-color: var(--border-strong);
}

.lang-btn.active {
  color: var(--cyan);
  border-color: var(--cyan);
  background: var(--cyan-dim);
}

.lang-selector-modal {
  display: grid;
  justify-content: center;
  gap: 12px;
  margin: 15px 0;
  padding: 15px;
}

.lang-btn-modal {
  background: transparent; /* Supprime le fond gris */
  border: 1px solid #444; /* Bordure fine et sombre */
  color: #ccc; /* Texte gris clair */
  padding: 15px 15px;
  border-radius: 4px;
  cursor: pointer;
  font-size: 0.9rem;
  font-weight: 500;
  transition: all 0.2s ease; /* Animation douce au survol */
}

/* Effet au survol */
.lang-btn-modal:hover {
  border-color: #00d4ff; /* Couleur cyan FreqMap */
  color: #fff;
  background: rgba(0, 212, 255, 0.1); /* Léger fond cyan très discret */
}

/* Style si le bouton est actif (langue sélectionnée) */
.lang-btn-modal.active {
  border-color: #00d4ff;
  color: #00d4ff;
  background: rgba(0, 212, 255, 0.15);
}

.theme-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  background: transparent;
  border: 1px solid var(--border);
  border-radius: 4px;
  color: var(--text-3);
  font-size: 13px;
  padding: 6px;
  cursor: pointer;
  margin-bottom: 20px;
  transition:
    background 0.15s,
    color 0.15s,
    border-color 0.15s;
  color: #ffd166;
  border-color: rgba(255, 209, 102, 0.38);
  background: linear-gradient(
    145deg,
    rgba(255, 209, 102, 0.13),
    var(--bg-raised)
  );
  box-shadow: 0 0 18px rgba(255, 209, 102, 0.12);
}

.theme-toggle:hover {
  background: var(--bg-raised);
  color: var(--text-1);
  border-color: var(--border-strong);
}

[data-theme="light"] .theme-toggle {
  color: #3156c8;
  border-color: rgba(49, 86, 200, 0.28);
  background: linear-gradient(145deg, rgba(49, 86, 200, 0.12), #fff);
  box-shadow: 0 6px 18px rgba(49, 86, 200, 0.1);
}

[data-theme="light"] .theme-toggle:hover {
  background: var(--bg-raised);
  color: var(--text-1);
  border-color: var(--border-strong);
}

.action-btn {
  background: var(--bg-raised);
  color: var(--text-1);
  border: 1px solid var(--border-strong);
  padding: 5px 12px;
  border-radius: 4px;
  font-family: "Inter", sans-serif;
  font-size: 11px;
  font-weight: 500;
  cursor: pointer;
  transition:
    background 0.15s,
    border-color 0.15s;
}

.action-btn:hover {
  background: #282828;
  border-color: #484848;
}

/* Compare */
.compare-btn {
  margin-left: auto;
  background: transparent;
  color: var(--text-3);
  border: 1px solid var(--border);
  padding: 10px 10px;
  border-radius: 4px;
  font-family: "Inter", sans-serif;
  font-size: 11px;
  font-weight: 500;
  cursor: pointer;
  white-space: nowrap;
  transition:
    background 0.15s,
    color 0.15s,
    border-color 0.15s;
}

.compare-btn:hover {
  background: var(--bg-raised);
  color: var(--text-1);
  border-color: var(--border-strong);
}

/* Reset */
.btn-reset {
  background: transparent;
  color: var(--text-3);
  border: 1px solid var(--border);
  padding: 15px 10px;
  border-radius: 4px;
  font-family: "Inter", sans-serif;
  font-size: 11px;
  cursor: pointer;
  transition:
    background 0.15s,
    color 0.15s,
    border-color 0.15s;
}

.btn-reset:hover {
  background: rgba(224, 82, 82, 0.08);
  color: var(--danger);
  border-color: rgba(224, 82, 82, 0.4);
}

.converter-sidebar-section {
    border-bottom: 1px solid var(--border);
    margin-top: 25px;
    padding-bottom: 25px;
    padding-top: 20px;
    border-top: 1px solid var(--border);
}

.btn-sidebar-secondary {
  width: 100%;
  min-height: 40px;
  margin-top: 10px;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 4px;
  background: var(--bg);
  color: var(--text-2);
  font-family: "IBM Plex Mono", monospace;
  font-size: 10px;
  letter-spacing: 0.8px;
  text-transform: uppercase;
  cursor: pointer;
  transition: all 0.15s ease;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.03);
}

.btn-sidebar-secondary:hover {
  border-color: var(--cyan);
  color: var(--cyan);
  background: rgba(0, 200, 212, 0.08);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.05);
}

/* Quick reference removed — converter provides note lookup */

.gv-type-btn-reset {
  background: transparent;
  color: var(--text-3);
  border: 1px solid var(--border);
  padding: 8px 10px;
  border-radius: 4px;
  font-family: "Inter", sans-serif;
  font-size: 11px;
  cursor: pointer;
  transition:
    background 0.15s,
    color 0.15s,
    border-color 0.15s;
}

.gv-type-btn-reset:hover {
  background: rgba(224, 82, 82, 0.08);
  color: var(--danger);
  border-color: rgba(224, 82, 82, 0.4);
}

/* Convertisseur Hz/Note */
.converter-modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.72);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  z-index: 1000;
  opacity: 0;
  visibility: hidden;
  transition: all 0.2s ease;
}

.converter-modal-overlay.is-visible {
  opacity: 1;
  visibility: visible;
}

.converter-modal-content {
  width: min(820px, 95%);
  max-height: 90vh;
  overflow-y: auto;
  background: var(--bg-surface);
  border: 1px solid var(--border-strong);
  border-radius: 8px;
  padding: 18px;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.25);
  display: flex;
  flex-direction: column;
  gap: 12px;
  align-items: stretch;
}

.converter-modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 12px;
}

.converter-modal-header h3 {
    margin: 0;
    font-family: "IBM Plex Mono", monospace;
    font-size: 17px;
    font-weight: 700;
    color: var(--text-1);
    letter-spacing: 3px;
    text-transform: uppercase;
    width: 100%;
}

.converter-mode-switch {
  display: flex;
  gap: 8px;
  margin-bottom: 12px;
}

.converter-mode-btn {
  flex: 1;
  padding: 15px 10px;
  border: 1px solid var(--border);
  border-radius: 4px;
  background: var(--bg);
  color: var(--text-2);
  font-family: "IBM Plex Mono", monospace;
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  cursor: pointer;
}

.converter-mode-btn.active {
  color: var(--cyan);
  border-color: var(--cyan);
  background: rgba(0, 200, 212, 0.08);
}

.converter-panel {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.converter-body {
  display: flex;
  flex-direction: column;
  gap: 12px;
  width: 100%;
}

.converter-main {
  width: 100%;
}

.converter-piano {
  width: 100%;
  box-sizing: border-box; /* Indispensable pour que le padding soit inclus dans les 100% */
  position: relative;
  padding: 10px 8px;
  background: linear-gradient(180deg, rgba(255,255,255,0.02), transparent);
  border-radius: 6px;
  border: 1px solid var(--border-strong);
  box-shadow: inset 0 -8px 18px rgba(0,0,0,0.12);
}

.piano-keys-scroll {
  overflow-x: auto;
  width: 100%;
  -webkit-overflow-scrolling: touch;
  scroll-behavior: smooth;
  text-align: center;
}

.piano-keys-inner {
  display: inline-flex;
  gap: 0;
  height: 90px;
  align-items: flex-end;
  position: relative;
}

.piano-white {
  flex: 0 0 48px;
  background: linear-gradient(180deg,#fff,#f7f7f7);
  border: 1px solid #ddd;
  height: 100%;
  position: relative;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  padding-bottom: 8px;
  font-size: 10px;
  color: #111;
  user-select: none;
}

.piano-black-overlay {
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  height: 62%;
  pointer-events: none;
}

.piano-black {
  position: absolute;
  width: 30px;
  background: #111;
  color: #fff;
  height: 62%;
  border-radius: 4px;
  box-shadow: 0 4px 8px rgba(0,0,0,0.5);
  transform: translateX(-50%);
  display: flex;
  align-items: flex-end;
  justify-content: center;
  padding-bottom: 6px;
  font-size: 9px;
  pointer-events: auto;
}

.piano-white .label,
.piano-black .label {
  font-family: "IBM Plex Mono", monospace;
  opacity: 0.9;
}

.piano-key-active {
  border: 2px solid var(--cyan);
  box-shadow: 0 8px 20px rgba(0,200,212,0.12);
}

/* Responsive: on small screens put piano below main converter */
/* keep stacked layout by default; piano responsive sizing handled above */

.converter-field {
  display: flex;
  flex-direction: column;
  gap: 6px;
  color: var(--text-2);
  font-size: 11px;
  font-family: "IBM Plex Mono", monospace;
}

.converter-field input,
.converter-field select {
  width: 100%;
  padding: 15px 10px;
  border: 1px solid var(--border);
  border-radius: 4px;
  background: var(--bg);
  color: var(--text-1);
}

.converter-result {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border-radius: 4px;
  margin-top: 15px;
  background: rgba(0, 200, 212, 0.08);
  color: var(--text-1);
  border: 1px solid rgba(0, 200, 212, 0.2);
}

.converter-result-label {
  font-size: 10px;
  font-family: "IBM Plex Mono", monospace;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  color: var(--text-3);
}

.converter-note-row {
  display: contents;
  grid-template-columns: 1.4fr 0.8fr;
  gap: 10px;
}

/* Remove (×) */
.remove-btn {
  position: absolute;
  top: 10px;
  right: 10px;
  background: transparent;
  color: var(--text-3);
  border: 1px solid var(--border);
  border-radius: 3px;
  width: 25px;
  height: 25px;
  cursor: pointer;
  font-size: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10;
  transition: all 0.15s;
}

.remove-btn:hover {
  color: var(--danger);
  border-color: rgba(224, 82, 82, 0.4);
  background: rgba(224, 82, 82, 0.08);
}

.view-tabs {
  display: flex;
  gap: 10px; /* Espace entre les boutons */
  margin-bottom: 20px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--border-strong);
}

.tab-btn {
  background: transparent;
  border: 1px solid var(--border);
  border-radius: 4px;
  color: var(--text-2);
  font-family: "IBM Plex Mono", monospace;
  font-size: 12px;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  padding: 15px 20px;
  cursor: pointer;
  transition: all 0.15s;
  text-align: center;
}

.tab-btn:hover {
  color: var(--text-1);
  border-color: var(--border-strong);
}
.tab-btn.active {
  border-bottom: 2px solid var(--accent-cyan);
  color: var(--accent-cyan);
  /* Optionnel : un petit glow */
  text-shadow: 0 0 5px var(--accent-cyan);
}
/* ==========================================================================
   5. INPUTS & SELECT
========================================================================== */
.search-container {
  width: 100%;
}

.search-field {
  position: relative;
}

#searchInput {
  width: 100%;
  padding: 12px 36px 9px 12px;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: 4px;
  color: var(--text-1);
  font-family: "Inter", sans-serif;
  font-size: 13px;
  transition: border-color 0.15s;
  margin-bottom: 0px;
}

#searchInput::placeholder {
  color: var(--text-3);
}

#searchInput:focus {
  border-color: var(--border-strong);
  outline: none;
}

.search-clear {
  position: absolute;
  top: 50%;
  right: 6px;
  display: grid;
  place-items: center;
  width: 30px;
  height: 30px;
  padding: 0;
  background: transparent;
  border: 0;
  border-radius: 4px;
  color: var(--text-3);
  font-family: "IBM Plex Mono", monospace;
  font-size: 18px;
  line-height: 1;
  cursor: pointer;
  opacity: 0;
  pointer-events: none;
  transform: translateY(-50%) scale(0.75);
  transition:
    color 0.15s ease,
    background 0.15s ease,
    opacity 0.15s ease,
    transform 0.2s ease;
}

.search-clear.is-visible {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(-50%) scale(1);
}

.search-clear:hover {
  color: var(--text-1);
  background: var(--bg-raised);
}

.search-clear:active {
  transform: translateY(-50%) scale(0.86);
}

.dashboard-results {
  display: flex;
  align-items: center;
  min-height: 15px;
  margin: 6px 0 16px;
  color: var(--text-3);
  font-family: "IBM Plex Mono", monospace;
  font-size: 9px;
  letter-spacing: 0.7px;
  text-transform: uppercase;
}

.dashboard-results.has-filters {
  color: var(--text-2);
}

.dashboard-results.has-filters::before {
  content: "";
  width: 5px;
  height: 5px;
  margin-right: 7px;
  background: var(--cyan);
  border-radius: 50%;
  box-shadow: 0 0 7px var(--cyan-line);
}

select {
  width: 100%;
  padding: 10px 28px 10px 10px;
  background: var(--bg-input);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='10' fill='%23555' viewBox='0 0 16 16'%3E%3Cpath d='M8 11.293l6-6-1.414-1.414L8 8.464 3.414 3.879 2 5.293l6 6z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 10px center;
  color: var(--text-1);
  border: 1px solid var(--border);
  border-radius: 4px;
  font-family: "Inter", sans-serif;
  font-size: 12px;
  cursor: pointer;
  appearance: none;
  margin-top: 10px;
  transition: border-color 0.15s;
}

select:hover,
select:focus {
  border-color: var(--border-strong);
  outline: none;
}

select option {
  background: var(--bg-raised);
  color: var(--text-1);
}

/* ==========================================================================
   6. TOGGLE TOOLTIP
========================================================================== */
.tooltip-toggle-container {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 7px 10px;
  background: transparent;
  border: 1px solid transparent;
  border-radius: 4px;
  cursor: pointer;
  transition: background 0.15s;
  border: 1px solid var(--border);
  padding: 10px;
}

.tooltip-toggle-container:hover {
  background: var(--bg-raised);
}

.label-text {
  font-size: 12px;
  font-family: "Inter", sans-serif;
  color: var(--text-2);
  font-weight: 400;
}

.tooltip-toggle-container input {
  width: 28px;
  height: 16px;
  appearance: none;
  background: var(--bg-raised);
  border: 1px solid var(--border-strong);
  border-radius: 8px;
  position: relative;
  cursor: pointer;
  transition: all 0.2s;
  flex-shrink: 0;
}

.tooltip-toggle-container input:checked {
  background: var(--cyan-dim);
  border-color: var(--cyan);
}

.tooltip-toggle-container input::before {
  content: "";
  position: absolute;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--border-strong);
  top: 2px;
  left: 2px;
  transition: 0.2s;
}

.tooltip-toggle-container input:checked::before {
  left: 14px;
  background: var(--cyan);
}

/* style.css */
.tooltip-section {
  margin-bottom: 8px;
  font-size: 0.9em;
}
.tooltip-header {
  font-weight: bold;
  color: var(--cyan);
  margin-bottom: 10px;
  border-bottom: 1px solid #444;
}
.warning {
  color: #ff9999;
} /* Rouge clair pour "trop" */
.error {
  color: #ffcc99;
} /* Orange clair pour "trop peu" */
.tip {
  color: #99ff99;
  font-style: italic;
} /* Vert clair pour le conseil */

.tooltip-header {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--cyan);
  font-family: "IBM Plex Mono", monospace;
  font-weight: 500;
  margin-bottom: 8px;
}

.tooltip-section {
  font-size: 12px;
  line-height: 1.5;
  color: var(--text-2);
  margin-top: 4px;
}

.tooltip-section.warning {
  color: var(--danger);
}
.tooltip-section.error {
  color: var(--warn);
}
.tooltip-section.tip {
  color: var(--cyan);
}
/* ==========================================================================
   7. CONTENT & HEADER
========================================================================== */
.content {
  flex: 1;
  padding: 24px 28px;
  overflow: auto;
}

header {
  display: flex;
  flex-direction: column;
  gap: 15px;
  padding: 10px;
}

/* ==========================================================================
   8. GRILLE & CARTES
========================================================================== */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 12px;
  width: 100%;
}

.card {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 16px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  position: relative;
  transition: border-color 0.15s;
}

.card:hover {
  border-color: var(--border-strong);
}

.card-header {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 8px;
}

.card-meta {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 6px;
  margin-bottom: 6px;
}

.note-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 2px 7px;
  border-radius: 3px;
  font-size: 10px;
  font-family: "IBM Plex Mono", monospace;
  font-weight: 600;
  color: var(--cyan);
  background: rgba(0, 200, 212, 0.1);
  border: 1px solid rgba(0, 200, 212, 0.2);
  line-height: 1.4;
}

@media (max-width: 768px) {
  .card-meta {
    align-items: stretch;
  }

  .note-badge {
    width: fit-content;
  }
}

.card h3 {
  margin: 0;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-1);
  text-transform: none;
  letter-spacing: 0;
}

.card-body p {
  color: var(--text-3);
  font-size: 12px;
  margin: 0 0 8px;
  line-height: 1.5;
  font-style: normal;
}

.card.card-highlight {
  border-color: var(--cyan) !important;
  box-shadow:
    0 0 0 1px var(--cyan),
    0 0 24px rgba(0, 200, 212, 0.2) !important;
  opacity: 1 !important; /* ← force l'opacité contre le grid:hover dimming */
}

/* Details box */
.details-box {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 5px 10px;
  margin-top: 8px;
}

.details-box ul {
  margin: 0;
  padding: 0;
  list-style: none;
}
.details-box li {
  font-family: "IBM Plex Mono", monospace;
  font-size: 11px;
  color: var(--text-2);
  padding: 10px 0;
  border-bottom: 1px solid var(--border);
}
.details-box li:last-child {
  border-bottom: none;
}
.details-box li strong {
  color: var(--text-3);
  font-weight: 400;
}

/* Type badges */
/* Type badges — base */
.type-badge {
  display: inline-block;
  padding: 2px 7px;
  border-radius: 3px;
  font-size: 10px;
  font-family: "IBM Plex Mono", monospace;
  font-weight: 500;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  margin-bottom: 6px;
  background: transparent;
}

/* Couleur = identifiant de famille. Fond 6% pour rester lisible sans écraser. */
.type-basse {
  color: #6ea8fe;
  border: 1px solid rgba(110, 168, 254, 0.35);
  background: rgba(110, 168, 254, 0.06);
}
.type-keys-\/\-claviers,
.type-keys-claviers {
  color: #e8c76a;
  border: 1px solid rgba(232, 199, 106, 0.35);
  background: rgba(232, 199, 106, 0.06);
}
.type-woodwind-\/-bois,
.type-woodwind-bois {
  color: #7ec8a0;
  border: 1px solid rgba(126, 200, 160, 0.35);
  background: rgba(126, 200, 160, 0.06);
}
.type-brass-\/-cuivres,
.type-brass-cuivres {
  color: #e8934a;
  border: 1px solid rgba(232, 147, 74, 0.35);
  background: rgba(232, 147, 74, 0.06);
}
.type-strings-\/-cordes,
.type-strings-cordes {
  color: #b07ff5;
  border: 1px solid rgba(176, 127, 245, 0.35);
  background: rgba(176, 127, 245, 0.06);
}
.type-percussion,
.type-percussion-percussion {
  color: #e87a7a;
  border: 1px solid rgba(232, 122, 122, 0.35);
  background: rgba(232, 122, 122, 0.06);
}
.type-vocal-\/-voix,
.type-vocal-voix {
  color: #6ec6e8;
  border: 1px solid rgba(110, 198, 232, 0.35);
  background: rgba(110, 198, 232, 0.06);
}
.type-utility-\/-utilitaire,
.type-utility-utilitaire {
  color: var(--text-3);
  border: 1px solid var(--border);
  background: transparent;
}

.filter-item.type-basse {
  color: #6ea8fe;
  border-color: #6ea8fe;
}
.filter-item.type-keys-claviers,
.filter-item.type-keys-\/-claviers {
  color: #e8c76a !important;
  border-color: #e8c76a;
}
.filter-item.type-woodwind-bois,
.filter-item.type-woodwind-\/-bois {
  color: #7ec8a0;
  border-color: #7ec8a0;
}
.filter-item.type-brass-cuivres,
.filter-item.type-brass-\/-cuivres {
  color: #e8934a;
  border-color: #e8934a;
}
.filter-item.type-strings-cordes,
.filter-item.type-strings-\/-cordes {
  color: #b07ff5;
  border-color: #b07ff5;
}
.filter-item.type-percussion,
.filter-item.type-percussion-percussion,
.filter-item.type-percussion-\/-percussion {
  color: #e87a7a;
  border-color: #e87a7a;
}
.filter-item.type-vocal-voix,
.filter-item.type-vocal-\/-voix {
  color: #6ec6e8;
  border-color: #6ec6e8;
}

/* Hover dimming — subtil */
.grid:hover .card {
  opacity: 0.55;
  transition: opacity 0.2s;
}
.grid .card:hover {
  opacity: 1;
}

/* ==========================================================================
   9. ZONE DE COMPARAISON
========================================================================== */
.comparison-zone {
  opacity: 0;
  visibility: hidden;
  height: 0;
  overflow: hidden;
  transition: all 0.25s ease;
  background: var(--bg-surface);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
}

.comparison-zone.active {
  opacity: 1;
  visibility: visible;
  height: auto;
  padding: 16px 20px;
  margin-bottom: 15px;
}

.comparison-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
}

.comparison-header h2 {
  margin: 0;
}

#comparison-content {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  align-items: flex-start;
}

.compare-item {
  flex: 1;
  min-width: 280px;
  position: relative;
  padding: 12px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 6px;
}

.compare-item h4 {
  color: var(--text-1);
  font-size: 12px;
  font-weight: 600;
  margin-bottom: 10px;
  text-transform: none;
  letter-spacing: 0;
}

/* ==========================================================================
   10. SPECTRE
   Couleur cyan = donnée spectrale. Autorisé ici.
========================================================================== */
.spectrum-container {
  display: flex;
  flex-direction: column;
  width: 100%;
  margin-top: auto;
}

.spectrum-header {
  display: flex;
  justify-content: flex-end;
  height: 20px; /* hauteur fixe, le compteur a toujours sa place */
  margin-bottom: 4px;
}

.spectrum-track {
  pointer-events: auto;
  position: relative;
  width: 100%;
  height: 18px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 3px;
  margin: 28px 0 8px;
  overflow: visible;
  cursor: crosshair;
}

.freq-bg-bar {
  position: absolute;
  width: 100%;
  height: 100%;
  display: flex;
  opacity: 0.2;
  border-radius: 2px;
  overflow: hidden;
}

/* Barres spectrales */
.spectrum-bar-low-fund,
.spectrum-bar-fund,
.spectrum-bar-harm,
.spectrum-bar-air {
  pointer-events: none;
  position: absolute;
  height: 100%;
  top: 0;
  z-index: 3;
  border-radius: 2px;
}

.spectrum-bar-low-fund {
  border: 1px solid var(--danger);
  background: rgba(224, 82, 82, 0.06);
  height: 100%;
}

.spectrum-bar-fund {
  background: rgba(224, 82, 82, 0.7);
  height: 40%;
  top: 5px;
  z-index: 2;
  border-radius: 4px;
}

.spectrum-bar-harm {
  background: rgba(212, 160, 23, 0.7);
  height: 40%;
  top: 5px;
  z-index: 2;
  border-radius: 4px;
}

.spectrum-bar-air {
  border: 1px dashed rgba(212, 160, 23, 0.5);
  background: transparent;
  height: 100%;
}

/* Freq display */
.freq-display {
  font-size: 10px;
  font-family: "IBM Plex Mono", monospace;
  background: var(--bg-raised);
  border: 1px solid var(--border);
  color: var(--text-2);
  padding: 2px 8px;
  border-radius: 3px;
  letter-spacing: 0.5px;
  align-self: center;
  margin-top: 25px;
}

/* Track labels */
.track-labels {
  display: flex;
  justify-content: space-between;
  font-size: 10px;
  font-family: "IBM Plex Mono", monospace;
  color: var(--text-3);
  width: 100%;
  margin-top: 18px;
}

/* Zones interactives */
.spectrum-zone {
  height: 100%;
  pointer-events: auto !important;
  transition: background 0.1s;
}

.spectrum-zone:hover {
  background: rgba(255, 255, 255, 0.04) !important;
}

.tooltip-enabled .spectrum-zone {
  cursor: help;
}
.tooltip-disabled .spectrum-zone {
  cursor: crosshair;
}

/* ==========================================================================
   11. TICKS
========================================================================== */
.spectrum-ticks {
  position: relative;
  pointer-events: none;
}

.tick {
  position: absolute;
  top: 0;
  height: 100%;
  width: 1px;
  background: var(--border);
  transform: translateX(-50%);
  z-index: 4;
}

.tick-label {
  position: absolute;
  top: -20px;
  left: 0;
  width: 36px;
  text-align: center;
  transform: translateX(-50%);
  font-size: 9px;
  font-family: "IBM Plex Mono", monospace;
  color: var(--text-3);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.tick.clickable {
  pointer-events: auto !important;
  cursor: pointer !important;
  z-index: 100 !important;
}

.tick.clickable:hover {
  background: var(--border-strong);
}

.tick.clickable:hover .tick-label {
  color: var(--text-2);
}

/* État actif — cyan autorisé : c'est un état de données */
.tick.active-tick {
  background: var(--cyan) !important;
  height: 130% !important;
  top: -15% !important;
}

.tick.active-tick .tick-label {
  color: var(--cyan);
  font-weight: 600;
}

/* ==========================================================================
   12. LÉGENDE SIDEBAR
========================================================================== */
.spectrum-legend-sidebar {
  display: flex;
  flex-direction: column;
  gap: 5px;
  margin-bottom: 16px;
  background: var(--bg);
  border: 1px solid var(--border);
  padding: 15px;
}

.legend-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 11px;
  font-family: "IBM Plex Mono", monospace;
  color: var(--text-2);
}

.legend-item-action {
  gap: 8px;
}

.legend-item-action-group {
  display: flex;
  align-items: center;
  gap: 6px;
  min-width: 30px;
}

.mf-action-icon-inline {
  font-size: 13px;
  font-weight: 700;
  line-height: 1;
}

.action-boost-inline {
  color: #16a34a;
}

.action-cut-inline {
  color: #e05252;
}

.color-box {
  width: 24px;
  height: 6px;
  border-radius: 1px;
  flex-shrink: 0;
}

.color-box.fund {
  background: var(--danger);
}
.color-box.harm {
  background: var(--warn);
}
.color-box.low-fund {
  border: 1px solid var(--danger);
  background: transparent;
  height: 8px;
}
.color-box.air {
  border: 1px dashed rgba(212, 160, 23, 0.6);
  background: transparent;
  height: 8px;
}

/* ==========================================================================
   13. TOOLTIP
   Sobre — information pure.
========================================================================== */
#tooltip {
  position: fixed;
  pointer-events: none;
  z-index: 9999;
  display: none;
  background: #1a1a1a;
  border: 1px solid var(--border-strong);
  color: #ffffff;
  padding: 10px 13px;
  border-radius: 4px;
  max-width: 240px;
  font-family: "Inter", sans-serif;
  opacity: 0;
  transition: opacity 0.12s;
}

[data-theme="light"] #tooltip {
  background: var(--tooltip-bg);
  border-color: var(--tooltip-border);
  color: var(--tooltip-text);
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

[data-theme="light"] .tooltip-header {
  color: var(--tooltip-header);
}

/* Ajustement des couleurs de statut pour rester lisibles */
[data-theme="light"] .warning {
  color: #d63031;
}
[data-theme="light"] .error {
  color: #e17055;
}
[data-theme="light"] .tip {
  color: #00b894;
  font-weight: 600;
}

#tooltip h3 {
  margin: 0 0 5px;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--cyan);
  font-family: "IBM Plex Mono", monospace;
  font-weight: 500;
}

#tooltip p {
  margin: 0;
  font-size: 12px;
  line-height: 1.55;
  color: var(--text-2);
}

/* ==========================================================================
   14. SCROLLBAR
========================================================================== */
::-webkit-scrollbar {
  width: 6px;
}
::-webkit-scrollbar-track {
  background: var(--bg);
}
::-webkit-scrollbar-thumb {
  background: var(--border-strong);
  border-radius: 3px;
}
::-webkit-scrollbar-thumb:hover {
  background: #484848;
}

/* Scroll to top */
#scroll-top {
  position: fixed;
  bottom: 24px;
  right: 24px;
  width: 36px;
  height: 36px;
  background: var(--bg-raised);
  border: 1px solid var(--border-strong);
  border-radius: 4px;
  color: var(--text-2);
  font-size: 14px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition:
    opacity 0.2s,
    visibility 0.2s,
    color 0.15s,
    border-color 0.15s;
  z-index: 500;
}

#scroll-top.visible {
  opacity: 1;
  visibility: visible;
  border: 2px solid var(--accent-cyan);
  color: var(--accent-cyan);
  text-shadow: 0 0 5px var(--accent-cyan);
}

#scroll-top:hover {
  color: var(--text-1);
  border-color: #484848;
  background: #242424;
}

/* ==========================================================================
   15. GLOBAL VIEW
========================================================================== */
#global-view {
  display: block; /* Ou géré par ton JS */
}

#global-view h2 {
  margin-bottom: 20px;
  font-size: 10px;
  font-family: "IBM Plex Mono", monospace;
  letter-spacing: 2px;
  color: var(--text-1);
}

.dashboard-title {
  margin-bottom: 20px;
  font-size: 10px;
  font-family: "IBM Plex Mono", monospace;
  letter-spacing: 2px;
  color: var(--text-1);
}

/* Header + filtres type */
.gv-header {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 20px;
  flex-wrap: wrap;
  justify-content: center;
}

.gv-type-filters {
  justify-content: center;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  background: #111;
  border: 1px solid var(--border-strong);
  border-radius: 6px;
  padding: 15px;
}

.gv-type-btn {
  background: transparent;
  border: 1px solid var(--border);
  border-radius: 3px;
  color: var(--text-3);
  font-family: "IBM Plex Mono", monospace;
  font-size: 10px;
  letter-spacing: 0.5px;
  padding: 9px 9px;
  cursor: pointer;
  text-transform: uppercase;
  transition: all 0.15s;
}

.gv-type-btn:hover {
  border-color: var(--gv-color);
  color: var(--gv-color);
}

[data-theme="light"] .gv-type-btn:hover {
  border-color: var(--gv-color);
  color: var(--gv-color);
}

.gv-type-btn.active {
  background: color-mix(in srgb, var(--gv-color) 12%, transparent);
  border-color: var(--gv-color);
  color: var(--gv-color);
}

[data-theme="light"] .gv-type-filters {
  background-color: #ffffff; /* Fond clair pour le conteneur */
  border-color: #dcdcdc; /* Bordure légère */
}

/* Layout */
.gv-layout {
  display: flex;
  flex-direction: column;
  border: 1px solid var(--border);
  border-radius: 6px;
  overflow: hidden;
  background: var(--bg-surface);
}

/* Ruler (sticky) */
.gv-ruler-wrap {
  position: sticky;
  top: 0;
  z-index: 10;
  background: var(--bg-surface);
  border-bottom: 1px solid var(--border);
}

.gv-name-col-spacer {
  flex-shrink: 0;
}

.gv-ruler-svg {
  display: block;
  width: 100%;
  height: 64px;
  overflow: visible;
}

/* Zone scrollable des barres */
.gv-chart-scroll {
  width: 100%;
  overflow-x: auto;
  position: relative;
}

.gv-bars-svg {
  width: 100%;
  display: block;
}

/* Info panel hover */
.gv-hover-info {
  display: none;
  position: fixed;
  pointer-events: none;
  bottom: 0;
  background: var(--bg-raised);
  border: 1px solid #00c8d4;
  padding: 8px 16px;
  gap: 16px;
  align-items: center;
  font-family: "IBM Plex Mono", monospace;
  font-size: 11px;
  z-index: 5;
}

.gv-info-name {
  color: var(--text-1);
  font-weight: 500;
}
.gv-info-freq {
  color: var(--text-2);
}
.gv-info-type {
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.global-spectrum-canvas {
  width: 100%;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: 6px;
  overflow: hidden;
}

.global-spectrum-canvas svg rect:focus,
.global-spectrum-canvas svg rect:focus-visible {
  outline: none;
}

.global-spectrum-canvas svg {
  display: block;
  width: 100%;
}

.gv-chart-scroll {
  width: 100%;
  overflow-y: auto; /* Permet de scroller si le totalH est très grand */
}

/* ==========================================================================
   16. GLOBAL VIEW
========================================================================== */

/* Structure principale */

#eq-ruler-container {
  width: 100% !important;
  background: var(--bg-raised);
  border: 1px solid var(--border-strong);
  border-radius: 6px;
  padding: 0; /* ← supprime le padding qui rétrécit */
  margin-bottom: 20px;
  box-sizing: border-box;
  overflow: hidden;
  display: block; /* ← plus de flex/center */
}

/* Cache les blocs par défaut */
.eq-content {
  display: none;
  opacity: 0;
  transition: opacity 0.3s ease;
}

/* Classe utilitaire pour afficher le contenu */
.eq-content.active {
  display: block;
  opacity: 1;
}

/* Optionnel : Ajuste la couleur de fond du SVG pour qu'elle soit uniforme */
.eq-ruler-container svg {
  display: block;
  width: 100%;
}

.ruler-zone {
  transition: all 0.25s ease !important;
  stroke: none !important; /* On vire le bleu */
  opacity: 0.7; /* Opacité de base */
  cursor: pointer;
}

/* Effet Hover (DA Pro) */
.ruler-zone:hover {
  opacity: 1;
  filter: brightness(1.4); /* Donne un éclat subtil au survol */
}

/* État actif (la zone cliquée reste mise en valeur sans cadre) */
.ruler-zone.is-active {
  opacity: 1;
  filter: brightness(1.2);
}

/* Effet Hover (DA Pro) */
.ruler-zone:hover {
  opacity: 1;
  filter: brightness(1.4); /* Donne un éclat subtil au survol */
}

/* État actif (la zone cliquée reste mise en valeur sans cadre) */
.ruler-zone.is-active {
  opacity: 1;
  filter: brightness(
    1.5
  ); /* La zone devient plus lumineuse une fois sélectionnée */
  outline: 5px solid var(--border-strong); /* Ou un léger trait blanc pour marquer le coup */
}

.eq-guide-layout {
  display: none; /* Caché au chargement */
  flex-direction: row;
  width: 100%; /* Force la largeur totale */
  gap: 20px;
  box-sizing: border-box; /* Important pour inclure le padding dans la largeur */
  margin-top: 20px;
}

.eq-panel-left,
.eq-panel-right {
  flex: 1; /* Occupe l'espace disponible équitablement */
  min-width: 0; /* Empêche le débordement si le texte est long */
  background: var(--bg-raised);
  border: 1px solid var(--border-strong);
  border-radius: 6px;
  padding: 24px;
}

/* Optionnel : alignement du texte interne */
.panel-content {
  width: 100%;
}

.eq-panel-left {
  border-right: 1px solid var(--border-color);
}

/* Typographie harmonisée */
.panel-title {
  color: var(--text-1);
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  margin-bottom: 20px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--border-strong);
}

.inst-badge {
  background: var(--bg-hover);
  padding: 8px;
  margin: 5px 0;
  border-radius: 4px;
  border-left: 4px solid var(--accent-cyan);
  font-size: 0.9em;
}

/* Style pour la ligne d'instrument dans l'EQ Guide */
.inst-badge-row {
  display: flex;
  align-items: center;
  gap: 15px; /* Un peu plus d'espace */
  padding: 10px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  cursor: pointer;
}

.inst-badge-row:hover {
  border-color: var(--border-strong);
  background: rgba(255, 255, 255, 0.06);
}

.type-badge {
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.7rem;
  padding: 3px 8px;
  border-radius: 3px;
  font-weight: 600;
}

.inst-name {
  flex: 1; /* Permet au nom de prendre l'espace restant */
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis; /* Coupe proprement si le nom est trop long */
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(10px); /* Léger effet de montée */
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.eq-guide-layout.is-visible {
  display: flex;
  animation: fadeIn 0.4s ease-out forwards; /* 'forwards' maintient l'état final */
}

.eq-quality-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 16px;
}

.eq-pill {
  background: var(--bg);
  border: 1px solid var(--border-strong);
  border-radius: 3px;
  padding: 3px 9px;
  font-family: "IBM Plex Mono", monospace;
  font-size: 10px;
  color: var(--cyan);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.eq-row {
  display: flex;
  gap: 10px;
  padding: 8px 0;
  border-bottom: 1px solid var(--border);
  font-size: 12px;
  line-height: 1.5;
}

.eq-label {
  font-family: "IBM Plex Mono", monospace;
  font-size: 10px;
  color: var(--text-3);
  text-transform: uppercase;
  letter-spacing: 1px;
  min-width: 70px;
  padding-top: 1px;
}

.eq-row.warning span:last-child {
  color: var(--danger);
}
.eq-row.error span:last-child {
  color: var(--warn);
}
.eq-row.tip span:last-child {
  color: var(--text-1);
}

/* Magic Frequencies List */
.eq-magic-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 24px;
}

.eq-magic-row {
  display: flex;
  align-items: center;
  gap: 15px;
  padding: 12px 16px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 6px;
  transition: all 0.2s ease;
}

.eq-magic-row:hover {
  background: var(--bg-raised);
  border-color: var(--border-strong);
  transform: translateX(4px);
}

.eq-magic-hz {
  font-family: "IBM Plex Mono", monospace;
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--accent-cyan);
  min-width: 75px;
}

.eq-magic-label {
  flex: 1;
  font-size: 0.9rem;
  color: var(--text-1);
}

.eq-magic-arrow {
  color: var(--text-3);
  font-family: "IBM Plex Mono", monospace;
}

.eq-magic-action {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.75rem;
  font-family: "IBM Plex Mono", monospace;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  padding: 4px 10px;
  border-radius: 4px;
  min-width: 75px;
  justify-content: center;
}

.eq-magic-action.action-cut {
  background: rgba(224, 82, 82, 0.1);
  color: var(--danger);
  border: 1px solid rgba(224, 82, 82, 0.2);
}

.eq-magic-action.action-boost {
  background: rgba(212, 160, 23, 0.1);
  color: var(--warn);
  border: 1px solid rgba(212, 160, 23, 0.2);
}

[data-theme="light"] .eq-magic-action.action-cut {
  background: rgba(192, 57, 43, 0.08);
  border-color: rgba(192, 57, 43, 0.18);
}

[data-theme="light"] .eq-magic-action.action-boost {
  background: rgba(176, 125, 0, 0.08);
  border-color: rgba(176, 125, 0, 0.18);
}

.eq-magic-action .action-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
}

.eq-magic-action.action-cut .action-dot {
  background-color: var(--danger);
  box-shadow: 0 0 8px var(--danger);
}

.eq-magic-action.action-boost .action-dot {
  background-color: var(--warn);
  box-shadow: 0 0 8px var(--warn);
}

.loudness-card {
  --curve-20: #22d3df;
  --curve-40: #4f9df8;
  --curve-60: #ad8bfa;
  --curve-80: #d9aa45;
  --curve-90: #e08a3e;
  --curve-100: #e06452;
  --curve-120: #ef4444;
  --curve-threshold: #d9df38;
  margin: 0 0 20px;
  overflow: hidden;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: 7px;
}

[data-theme="light"] .loudness-card {
  --curve-20: #008d99;
  --curve-40: #276cc4;
  --curve-60: #7858bd;
  --curve-80: #a66d00;
  --curve-90: #b95513;
  --curve-100: #bd3f32;
  --curve-120: #b91c1c;
  --curve-threshold: #718000;
}

.loudness-summary {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 52px;
  gap: 18px;
  padding: 0 48px 0 18px;
  color: var(--text-1);
  background: var(--bg-raised);
  border-bottom: 1px solid transparent;
  cursor: pointer;
  list-style: none;
  user-select: none;
  transition:
    background 0.2s ease,
    border-color 0.2s ease;
}

.loudness-summary::-webkit-details-marker {
  display: none;
}

.loudness-summary::after {
  content: "⌄";
  position: absolute;
  top: 50%;
  right: 18px;
  color: var(--text-3);
  font-family: "IBM Plex Mono", monospace;
  font-size: 18px;
  line-height: 1;
  transform: translateY(-55%);
  transition:
    color 0.2s ease,
    transform 0.25s ease;
}

.loudness-card[open] .loudness-summary {
  border-bottom-color: var(--border);
}

.loudness-card[open] .loudness-summary::after {
  color: var(--cyan);
  transform: translateY(-40%) rotate(180deg);
}

.loudness-summary:hover {
  background: color-mix(in srgb, var(--bg-raised) 86%, var(--cyan) 14%);
}

.loudness-summary-title {
  display: flex;
  align-items: center;
  gap: 9px;
  font-family: "IBM Plex Mono", monospace;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 1.2px;
  text-transform: uppercase;
}

.loudness-status-dot {
  width: 6px;
  height: 6px;
  background: var(--cyan);
  border-radius: 50%;
  box-shadow: 0 0 8px var(--cyan-line);
}

.loudness-summary-meta {
  color: var(--text-3);
  font-family: "IBM Plex Mono", monospace;
  font-size: 9px;
  letter-spacing: 0.7px;
  text-transform: uppercase;
}

.loudness-content {
  display: grid;
  grid-template-columns: minmax(250px, 0.72fr) minmax(480px, 1.7fr);
  gap: 20px;
  padding: 20px;
}

.loudness-explainer {
  min-width: 0;
  padding: 4px 2px;
}

.loudness-eyebrow {
  display: block;
  margin-bottom: 8px;
  color: var(--cyan);
  font-family: "IBM Plex Mono", monospace;
  font-size: 9px;
  letter-spacing: 1.4px;
  text-transform: uppercase;
}

.loudness-explainer h3 {
  margin: 0 0 10px;
  color: var(--text-1);
  font-family: "Space Grotesk", "Inter", sans-serif;
  font-size: 18px;
  line-height: 1.2;
}

.loudness-explainer > p {
  margin: 0;
  color: var(--text-2);
  font-size: 12px;
  line-height: 1.6;
}

.loudness-levels {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 6px;
  margin: 18px 0 10px;
}

.loudness-level-btn {
  display: grid;
  place-items: center;
  min-width: 42px;
  min-height: 34px;
  padding: 0 9px;
  color: var(--text-2);
  background: var(--bg);
  border: 1px solid var(--border-strong);
  border-radius: 4px;
  font-family: "IBM Plex Mono", monospace;
  font-size: 10px;
  cursor: pointer;
  transition:
    color 0.18s ease,
    background 0.18s ease,
    border-color 0.18s ease,
    transform 0.18s ease;
}

.loudness-level-btn:hover {
  color: var(--text-1);
  border-color: var(--text-3);
}

.loudness-level-btn:active {
  transform: scale(0.92);
}

.loudness-level-btn.active {
  color: var(--cyan);
  background: var(--cyan-dim);
  border-color: var(--cyan-line);
  box-shadow: inset 0 0 0 1px var(--cyan-dim);
}

.loudness-level-btn.is-extrapolated {
  border-style: dashed;
}

.loudness-level-btn.is-extrapolated.active {
  color: var(--danger);
  background: color-mix(in srgb, var(--danger) 10%, transparent);
  border-color: color-mix(in srgb, var(--danger) 45%, transparent);
}

.loudness-levels > span {
  margin-left: 2px;
  color: var(--text-3);
  font-family: "IBM Plex Mono", monospace;
  font-size: 9px;
  letter-spacing: 1px;
  text-transform: uppercase;
}

.loudness-level-note {
  min-height: 58px;
  padding: 10px 12px;
  color: var(--text-1) !important;
  background: var(--cyan-dim);
  border-left: 2px solid var(--cyan);
  border-radius: 0 4px 4px 0;
}

.loudness-takeaways {
  display: grid;
  gap: 8px;
  margin: 18px 0;
  padding: 0;
  list-style: none;
}

.loudness-takeaways li {
  position: relative;
  padding-left: 16px;
  color: var(--text-2);
  font-size: 11px;
  line-height: 1.45;
}

.loudness-takeaways li::before {
  content: "";
  position: absolute;
  top: 0.55em;
  left: 1px;
  width: 5px;
  height: 1px;
  background: var(--cyan);
}

.loudness-notice {
  padding-top: 12px;
  color: var(--text-3);
  border-top: 1px solid var(--border);
  font-size: 10px;
  line-height: 1.5;
}

.loudness-notice strong {
  display: block;
  margin-top: 7px;
  color: var(--danger);
  font-weight: 500;
}

.loudness-chart-panel {
  min-width: 0;
  padding: 12px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 6px;
}

.loudness-chart-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 2px 4px 10px;
  color: var(--text-2);
  font-family: "IBM Plex Mono", monospace;
  font-size: 9px;
  letter-spacing: 0.7px;
  text-transform: uppercase;
}

.loudness-chart-header span:last-child {
  color: var(--text-3);
  text-align: right;
}

.loudness-chart-scroll {
  width: 100%;
  overflow: hidden;
}

#equal-loudness-chart {
  display: block;
  width: 100%;
  height: auto;
  min-height: 300px;
}

.loudness-frequency-zone {
  opacity: 0.055;
}

.loudness-frequency-zone.zone-sub {
  fill: var(--sub-bass);
}
.loudness-frequency-zone.zone-bass {
  fill: var(--bass);
}
.loudness-frequency-zone.zone-mid {
  fill: var(--midrange);
}
.loudness-frequency-zone.zone-high-mid {
  fill: var(--high-mid);
}
.loudness-frequency-zone.zone-high {
  fill: var(--high-freq);
}

.loudness-grid-line {
  stroke: var(--border-strong);
  stroke-width: 1;
}

.loudness-grid-line-vertical {
  stroke: var(--border);
}

.loudness-axis-label,
.loudness-axis-title,
.loudness-threshold-label {
  fill: var(--text-3);
  font-family: "IBM Plex Mono", monospace;
  font-size: 10px;
}

.loudness-axis-title {
  font-size: 9px;
  letter-spacing: 0.7px;
  text-transform: uppercase;
}

.loudness-threshold {
  fill: none;
  stroke: var(--curve-threshold);
  stroke-width: 2;
  stroke-dasharray: 5 4;
  opacity: 0.7;
}

.loudness-threshold-label {
  fill: var(--curve-threshold);
  font-size: 9px;
}

.loudness-curve {
  fill: none;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
  opacity: 0.3;
  cursor: pointer;
  pointer-events: stroke;
  transition:
    opacity 0.2s ease,
    filter 0.2s ease,
    stroke-width 0.2s ease;
}

.loudness-curve:hover,
.loudness-curve:focus-visible,
.loudness-curve.is-active {
  stroke-width: 3;
  opacity: 1;
  filter: drop-shadow(0 0 4px currentColor);
  outline: none;
}

.loudness-curve-20 {
  stroke: var(--curve-20);
  color: var(--curve-20);
}
.loudness-curve-40 {
  stroke: var(--curve-40);
  color: var(--curve-40);
}
.loudness-curve-60 {
  stroke: var(--curve-60);
  color: var(--curve-60);
}
.loudness-curve-80 {
  stroke: var(--curve-80);
  color: var(--curve-80);
}
.loudness-curve-90 {
  stroke: var(--curve-90);
  color: var(--curve-90);
}
.loudness-curve-100 {
  stroke: var(--curve-100);
  color: var(--curve-100);
}
.loudness-curve-120 {
  stroke: var(--curve-120);
  color: var(--curve-120);
}

.loudness-curve.is-extrapolated {
  stroke-dasharray: 7 5;
}

.loudness-curve-label {
  font-family: "IBM Plex Mono", monospace;
  font-size: 10px;
  font-weight: 600;
  pointer-events: none;
}

.loudness-curve-label-20 {
  fill: var(--curve-20);
}
.loudness-curve-label-40 {
  fill: var(--curve-40);
}
.loudness-curve-label-60 {
  fill: var(--curve-60);
}
.loudness-curve-label-80 {
  fill: var(--curve-80);
}
.loudness-curve-label-90 {
  fill: var(--curve-90);
}
.loudness-curve-label-100 {
  fill: var(--curve-100);
}
.loudness-curve-label-120 {
  fill: var(--curve-120);
}

.loudness-chart-caption {
  margin: 8px 4px 0;
  color: var(--text-3);
  font-size: 9px;
  line-height: 1.45;
}

[data-theme="light"] .loudness-chart-panel {
  background: #fafafa;
}

[data-theme="light"] .loudness-frequency-zone {
  opacity: 0.08;
}

.magic-freqs-container {
  margin-top: 24px;
  padding-top: 16px;
  border-top: 1px dashed var(--border-strong);
}

.magic-freqs-title {
  font-family: "IBM Plex Mono", monospace;
  font-size: 10px;
  color: var(--cyan);
  letter-spacing: 2px;
  margin-bottom: 12px;
  text-transform: uppercase;
}

.magic-freqs-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.magic-freq-item {
  display: grid;
  grid-template-columns: 70px 1fr 30px;
  align-items: center;
  padding: 8px 12px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 4px;
  font-size: 12px;
  transition: all 0.2s ease;
}

.magic-freq-item:hover {
  border-color: var(--border-strong);
  transform: translateX(4px);
}

.mf-hz {
  font-family: "IBM Plex Mono", monospace;
  font-weight: 600;
  color: var(--text-1);
}

.mf-label {
  color: var(--text-2);
}

.mf-action-icon {
  text-align: right;
  font-weight: bold;
  font-size: 16px;
}

.action-boost {
  border-left: 3px solid #16a34a;
}
.action-boost .mf-action-icon {
  color: #16a34a;
}

.action-cut {
  border-left: 3px solid #e05252;
}
.action-cut .mf-action-icon {
  color: #e05252;
}

[data-theme="light"] .magic-freq-item {
  background: #f9f9f9;
}

.theme-toggle-mobile {
  display: none;
}

.mobile-logo {
  display: none;
}

.burger-btn {
  display: none;
}

/* ==========================================================================
   MODAL CONVERTER
========================================================================== */
#feedback-form select {
  width: 100%;
  padding: 10px;
  background: var(--bg-input, #141414);
  color: var(--text-color, #e0e0e0);
  border: 1px solid var(--border, #2a2a2a);
  border-radius: 6px;
  font-family: inherit;
}

#feedback-form textarea {
  width: 100%;
  padding: 10px;
  background: var(--bg-input, #141414);
  color: var(--text-color, #e0e0e0);
  border: 1px solid var(--border, #2a2a2a);
  border-radius: 6px;
  font-family: inherit;
  resize: vertical;
}

.btn-submit {
  margin-top: 12px;
  width: 100%;
  padding: 10px;
  background: var(--cyan, #00c8d4);
  border-color: 1px solid var(--border);

  color: #000;
  font-weight: 600;
  border: none;
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.2s ease;
}

.btn-submit:hover {
  background: var(--bg-surface);
  color: var(--text-1);
  border-color: var(--accent-cyan, #00f3ff);

}

/* ==========================================================================
   RESPONSIVE MOBILE
========================================================================== */
@media (max-width: 768px),
  (min-width: 769px) and (max-width: 1024px) and (orientation: portrait) {
  #searchInput {
    min-height: 44px;
    padding-right: 48px;
    font-size: 16px;
  }

  /* Responsive converter modal */
  .converter-modal-content {
    padding: 12px;
    gap: 8px;
    width: 96%;
  }

  .converter-modal-header h3 {
    font-size: 14px;
    letter-spacing: 1.5px;
  }

  .converter-mode-btn {
    padding: 12px 8px;
    font-size: 9px;
  }

  .converter-field input,
  .converter-field select {
    padding: 12px 8px;
    font-size: 13px;
  }

  .converter-piano {
    padding: 6px 4px;
  }

  .piano-keys-inner {
    height: 70px;
  }

  .piano-white {
    flex: 0 0 36px;
    font-size: 8px;
  }

  .piano-black {
    width: 24px;
    font-size: 7px;
  }

  .popup-footer {
    justify-content: center;
  }

  .search-clear {
    right: 4px;
    width: 36px;
    height: 36px;
  }

  .dashboard-results {
    margin-top: 8px;
    margin-bottom: 14px;
  }
  /* 1. Header et Tab-bar (cachés par défaut) */

  .filter-group {
    border-bottom: none;
  }
  .mobile-logo {
    display: block;
    font-family: "IBM Plex Mono", monospace;
    font-size: 20px;
    font-weight: 700;
    color: var(--text-1);
    letter-spacing: 3px;
    text-transform: uppercase;
    transition:
      color 0.3s ease,
      letter-spacing 0.3s ease,
      text-shadow 0.3s ease;
  }

  .mobile-header,
  .tab-bar {
    display: none;
  }

  /* 2. Règles Mobile (tout est regroupé ici pour éviter les conflits) */

  .theme-toggle-mobile {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
    background: var(--bg-raised);
    border: 1px solid var(--border-strong);
    border-radius: 50%;
    color: var(--text-1);
    font-size: 17px;
    cursor: pointer;
    overflow: hidden;
    flex-shrink: 0;
    box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.02);
    transition:
      transform 0.3s ease,
      border-color 0.3s ease,
      background 0.3s ease,
      box-shadow 0.3s ease;
  }

  .theme-toggle-mobile::before {
    content: "";
    position: absolute;
    inset: 4px;
    border-radius: inherit;
    background: currentColor;
    opacity: 0.08;
    transform: scale(0.55);
    transition:
      transform 0.35s ease,
      opacity 0.35s ease;
  }

  .theme-toggle-mobile span {
    position: relative;
    z-index: 1;
    line-height: 1;
    transition: transform 0.45s cubic-bezier(0.22, 1, 0.36, 1);
  }

  .theme-toggle-mobile:hover {
    transform: translateY(-1px);
  }

  .theme-toggle-mobile:hover::before {
    opacity: 0.14;
    transform: scale(1);
  }

  .theme-toggle-mobile:hover span {
    transform: rotate(22deg) scale(1.08);
  }

  .theme-toggle-mobile:active {
    transform: scale(0.92);
  }

  [data-theme="dark"] .theme-toggle-mobile {
    color: #ffd166;
    border-color: rgba(255, 209, 102, 0.38);
    background: linear-gradient(
      145deg,
      rgba(255, 209, 102, 0.13),
      var(--bg-raised)
    );
    box-shadow: 0 0 18px rgba(255, 209, 102, 0.12);
  }

  [data-theme="light"] .theme-toggle-mobile {
    color: #3156c8;
    border-color: rgba(49, 86, 200, 0.28);
    background: linear-gradient(145deg, rgba(49, 86, 200, 0.12), #fff);
    box-shadow: 0 6px 18px rgba(49, 86, 200, 0.1);
  }

  .sidebar .theme-toggle {
    display: none;
  }

  /* Layout */
  .app-container {
    flex-direction: column;
  }

  /* --- Sidebar → Drawer --- */
  .sidebar {
    position: fixed;
    top: 0;
    left: auto;
    right: 0;
    width: 280px;
    height: 100vh;
    z-index: 200;
    transform: translateX(105%);
    transition:
      transform 0.42s cubic-bezier(0.22, 1, 0.36, 1),
      box-shadow 0.42s ease;
    overflow-y: auto;
    padding-top: 60px;
    background: var(--bg-surface);
    box-shadow: none;
    will-change: transform;
  }

  .sidebar::before {
    content: "";
    position: absolute;
    top: 0;
    bottom: 0;
    left: 0;
    width: 2px;
    background: linear-gradient(180deg, transparent, var(--cyan), transparent);
    transform: scaleY(0);
    transform-origin: center;
    transition: transform 0.5s ease 0.1s;
  }

  /* La classe ajoutée par votre JS */
  .sidebar.open {
    right: 0;
    left: auto;
    transform: translateX(0);
    box-shadow: -16px 0 48px rgba(0, 0, 0, 0.48);
  }

  .sidebar.open::before {
    transform: scaleY(1);
  }

  .sidebar.open .sidebar-top,
  .sidebar.open .sidebar-footer {
    animation: drawer-content-in 0.45s ease both;
  }

  .sidebar.open .sidebar-footer {
    animation-delay: 0.08s;
  }

  /* --- Overlay --- */
  .drawer-overlay {
    display: block;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.68);
    backdrop-filter: blur(3px);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition:
      opacity 0.3s ease,
      visibility 0.3s ease;
    z-index: 199;
  }

  .drawer-overlay.visible {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
  }

  /* --- Header mobile --- */
  .mobile-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 52px;
    background: var(--bg-surface);
    border-bottom: 1px solid var(--border);
    padding: 0 16px;
    z-index: 201;
    gap: 12px;
  }

  .mobile-header-actions {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 10px;
    margin-left: auto;
  }

  .mobile-header.drawer-open .mobile-logo {
    color: var(--cyan);
    letter-spacing: 3.8px;
    text-shadow: 0 0 18px var(--cyan-line);
  }

  /* --- Tab bar --- */
  .tab-bar {
    position: fixed;
    right: 0;
    bottom: 0;
    left: 0;
    z-index: 100;
    display: flex;
    height: 60px;
    background: var(--bg-surface);
    border-top: 1px solid var(--border);
  }

  .tab-bar .tab-bar-btn {
    position: relative;
    isolation: isolate;
    display: flex;
    flex: 1;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-width: 0;
    width: auto;
    gap: 4px;
    padding: 0;
    overflow: hidden;
    background: transparent;
    border: 0;
    border-radius: 0;
    color: var(--text-3);
    font-family: "IBM Plex Mono", monospace;
    font-size: 9px;
    text-align: center;
    cursor: pointer;
    touch-action: manipulation;
    -webkit-tap-highlight-color: transparent;
    transition:
      color 0.25s ease,
      background 0.25s ease;
  }

  .tab-bar .tab-bar-btn::before {
    content: "";
    position: absolute;
    top: 6px;
    left: 50%;
    z-index: 0;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: radial-gradient(circle, var(--cyan-dim), transparent 70%);
    opacity: 0;
    transform: translateX(-50%) scale(0.35);
    transition:
      opacity 0.25s ease,
      transform 0.35s cubic-bezier(0.22, 1, 0.36, 1);
  }

  .tab-bar .tab-bar-btn::after {
    content: "";
    position: absolute;
    bottom: 0;
    left: 50%;
    z-index: 2;
    width: 22px;
    height: 2px;
    border-radius: 2px 2px 0 0;
    background: var(--cyan);
    box-shadow: 0 0 10px var(--cyan-line);
    opacity: 0;
    transform: translateX(-50%) scaleX(0);
    transition:
      opacity 0.25s ease,
      transform 0.35s cubic-bezier(0.22, 1, 0.36, 1);
  }

  .tab-bar .tab-bar-btn svg,
  .tab-bar .tab-bar-btn > span {
    position: relative;
    z-index: 1;
  }

  .tab-bar .tab-bar-btn svg {
    flex-shrink: 0;
    transform-origin: center;
    transition:
      transform 0.25s cubic-bezier(0.22, 1, 0.36, 1),
      filter 0.25s ease,
      stroke-width 0.25s ease;
  }

  .tab-bar .tab-bar-btn > span {
    transition:
      transform 0.25s ease,
      opacity 0.25s ease,
      letter-spacing 0.25s ease;
  }

  .tab-bar .tab-bar-btn:active svg {
    transform: scale(0.72) rotate(-6deg);
  }

  .tab-bar .tab-bar-btn:active > span {
    opacity: 0.7;
    transform: translateY(1px) scale(0.94);
  }

  .tab-bar .tab-bar-btn.active {
    color: var(--cyan);
    background: linear-gradient(to top, var(--cyan-dim), transparent 72%);
  }

  .tab-bar .tab-bar-btn.active::before {
    opacity: 1;
    transform: translateX(-50%) scale(1);
  }

  .tab-bar .tab-bar-btn.active::after {
    opacity: 1;
    transform: translateX(-50%) scaleX(1);
  }

  .tab-bar .tab-bar-btn.active svg {
    stroke-width: 1.8;
    filter: drop-shadow(0 0 5px var(--cyan-line));
  }

  .tab-bar .tab-bar-btn.active > span {
    letter-spacing: 0.35px;
  }

  .tab-bar .tab-bar-btn.is-tapped svg {
    animation: tab-icon-tap 0.42s cubic-bezier(0.22, 1, 0.36, 1);
  }

  .tab-bar .tab-bar-btn.is-tapped::before {
    animation: tab-glow-tap 0.45s ease;
  }

  @keyframes tab-icon-tap {
    0% {
      transform: scale(1) rotate(0);
    }
    35% {
      transform: scale(0.68) rotate(-7deg);
    }
    70% {
      transform: scale(1.16) rotate(3deg);
    }
    100% {
      transform: scale(1) rotate(0);
    }
  }

  @keyframes tab-glow-tap {
    0% {
      opacity: 0;
      transform: translateX(-50%) scale(0.25);
    }
    55% {
      opacity: 1;
      transform: translateX(-50%) scale(1.2);
    }
    100% {
      opacity: 1;
      transform: translateX(-50%) scale(1);
    }
  }

  @media (prefers-reduced-motion: reduce) {
    .tab-bar .tab-bar-btn,
    .tab-bar .tab-bar-btn::before,
    .tab-bar .tab-bar-btn::after,
    .tab-bar .tab-bar-btn svg,
    .tab-bar .tab-bar-btn > span {
      animation: none !important;
      transition: none !important;
    }
  }
  /* --- Ajustements du contenu --- */
  .content {
    padding: 72px 16px 80px;
    width: 100%;
  }
  header .view-tabs {
    display: none;
  }
  .grid {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  /* --- Burger button --- */
  .burger-btn {
    position: relative;
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 38px;
    height: 38px;
    background: var(--bg-raised);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 9px;
    cursor: pointer;
    overflow: hidden;
    transition:
      border-color 0.3s ease,
      background 0.3s ease,
      transform 0.3s ease,
      box-shadow 0.3s ease;
  }

  .burger-btn::before {
    content: "";
    position: absolute;
    inset: -1px;
    border-radius: inherit;
    background: radial-gradient(
      circle at center,
      var(--cyan-dim),
      transparent 68%
    );
    opacity: 0;
    transform: scale(0.4);
    transition:
      opacity 0.3s ease,
      transform 0.4s ease;
  }

  .burger-btn span {
    position: relative;
    z-index: 1;
    display: block;
    width: 100%;
    height: 1.5px;
    background: var(--text-2);
    border-radius: 2px;
    transform-origin: center;
    transition:
      transform 0.35s cubic-bezier(0.22, 1, 0.36, 1),
      opacity 0.2s ease,
      background 0.3s ease;
  }

  .burger-btn:hover {
    border-color: var(--cyan-line);
    transform: translateY(-1px);
  }

  .burger-btn.open {
    background: var(--cyan-dim);
    border-color: var(--cyan);
    box-shadow:
      0 0 0 3px var(--cyan-dim),
      0 0 22px var(--cyan-line);
    transform: rotate(90deg);
  }

  .burger-btn.open::before {
    opacity: 1;
    transform: scale(1);
  }

  .burger-btn.open span {
    background: var(--cyan);
  }

  /* Animation croix */
  .burger-btn.open span:nth-child(1) {
    transform: translateY(6.5px) rotate(45deg);
  }
  .burger-btn.open span:nth-child(2) {
    opacity: 0;
    transform: scaleX(0);
  }
  .burger-btn.open span:nth-child(3) {
    transform: translateY(-6.5px) rotate(-45deg);
  }

  @keyframes drawer-content-in {
    from {
      opacity: 0;
      transform: translateX(24px);
    }
    to {
      opacity: 1;
      transform: translateX(0);
    }
  }

  @media (prefers-reduced-motion: reduce) {
    .sidebar,
    .sidebar::before,
    .drawer-overlay,
    .mobile-logo,
    .burger-btn,
    .burger-btn::before,
    .burger-btn span {
      transition-duration: 0.01ms;
    }

    .sidebar.open .sidebar-top,
    .sidebar.open .sidebar-footer {
      animation: none;
    }
  }

  /* Transformation du layout EQ Guide en colonne unique */
  .eq-guide-layout {
    width: 100%; /* Prend toute la largeur disponible */
    max-width: 1000px; /* Ou la largeur que vous souhaitez */
    margin: 0 auto; /* Centrage */
    display: flex;
    flex-direction: column;
  }
  #eq-ruler-container {
    width: 100%;
    /* On active le scroll horizontal */
    overflow-x: auto;
    overflow-y: hidden;
    padding: 10px;
    border: 1px solid var(--border);
    border-radius: 8px;
    background: var(--bg-surface);
  }

  /* On force le contenu interne à être plus large pour créer l'effet de zoom */
  #eq-ruler-container .ruler-content {
    min-width: 600px; /* Force une largeur plus grande que l'écran mobile */
    height: 100px;
    display: flex;
    align-items: center;
  }

  .eq-panel-left,
  .eq-panel-right {
    width: 100%; /* Prend toute la largeur disponible */
  }

  /* Rendre le bloc des infos (le premier) plus visible */
  .eq-panel-left {
    order: -1; /* S'assure qu'il est toujours en haut */
    background: var(--bg-raised); /* Mise en évidence visuelle */
    padding: 20px;
    border-radius: 8px;
    border: 1px solid var(--border-strong);
  }

  #eq-list-panel .panel-content {
    /* On change pour vertical */
    display: flex;
    flex-direction: column; /* Force l'empilement vertical */

    max-height: 400px; /* Hauteur fixe pour déclencher le scroll */
    overflow-y: auto; /* Scroll vertical */
    overflow-x: hidden; /* Pas de scroll horizontal */

    white-space: normal; /* Laisse le texte revenir à la ligne */
    -webkit-overflow-scrolling: touch;
    padding-bottom: 20px;
  }

  #eq-list-panel .panel-content > div {
    flex-shrink: 0;
    margin-bottom: 10px; /* Espace vertical entre les éléments */
    width: 100%; /* Force la largeur pleine */
  }

  .eq-guide-layout:not(.is-visible) {
    display: none;
  }

  /* Responsive styles for Magic Frequencies */
  .eq-magic-row {
    padding: 10px 12px;
    gap: 10px;
  }
  .eq-magic-hz {
    min-width: 65px;
    font-size: 0.85rem;
  }
  .eq-magic-label {
    font-size: 0.85rem;
  }
  .eq-magic-action {
    padding: 3px 8px;
    min-width: 65px;
    font-size: 0.7rem;
  }

  .eq-ruler-row {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 16px;
    border-bottom: 1px solid var(--border);
    cursor: pointer;
    transition: background 0.15s;
    min-height: 56px; /* tap target */
  }

  .eq-ruler-row:last-child {
    border-bottom: none;
  }

  .eq-ruler-row:active,
  .eq-ruler-row.is-active {
    background: var(--bg-raised);
  }

  .eq-ruler-row.is-active .eq-ruler-label {
    color: var(--cyan);
  }

  .eq-ruler-zone-color {
    width: 6px;
    height: 36px;
    border-radius: 3px;
    flex-shrink: 0;
  }

  .eq-ruler-zone-info {
    display: flex;
    flex-direction: column;
    gap: 3px;
    min-width: 80px;
  }

  .eq-ruler-label {
    font-family: "IBM Plex Mono", monospace;
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 1.5px;
    color: var(--text-1);
    text-transform: uppercase;
  }

  .eq-ruler-range {
    font-family: "IBM Plex Mono", monospace;
    font-size: 10px;
    color: var(--text-3);
  }

  .eq-ruler-quality {
    flex: 1;
    font-size: 12px;
    color: var(--text-2);
    font-style: italic;
  }

  .eq-ruler-arrow {
    color: var(--text-3);
    font-size: 18px;
    flex-shrink: 0;
  }

  #eq-list-panel {
    -webkit-overflow-scrolling: touch;
  }

  /* Noms non tronqués — laisse wrapper */
  .inst-name {
    white-space: normal;
    overflow: visible;
    text-overflow: unset;
    font-size: 13px;
    color: var(--text-1);
    width: 100%;
  }

  .inst-name small {
    display: block;
    margin-top: 5px;
    color: var(--text-2);
    font-size: 11px;
  }

  /* Rows plus hauts pour le tap */
  .inst-badge-row {
    flex-direction: column;
    align-items: flex-start;
    gap: 6px;
    padding: 12px 16px;
    min-height: auto;
  }

  /* Badge type sur sa propre ligne */
  .inst-badge-row .type-badge {
    flex-shrink: 0;
  }

  #scroll-top {
    /* Augmentez cette valeur pour le monter plus haut */
    bottom: 80px;

    /* Optionnel : Ajustez le côté si besoin */
    right: 16px;

    /* Assurez-vous qu'il reste au-dessus de la tab-bar (z-index de la tab-bar est 100) */
    z-index: 101;
  }

  #mobile-zone-info {
    display: block;
    position: fixed;
    bottom: 55px;
    left: 0;
    width: 100%;
    height: auto;
    z-index: 10000; /* Priorité haute */
    background: var(--bg-surface);
    border-top: 1px solid var(--border-strong);
    padding: 20px;
    transform: translateY(100%);
    transition: transform 0.3s cubic-bezier(0.22, 1, 0.36, 1);
    box-shadow: 0 -4px 15px rgba(0, 0, 0, 0.5);
  }

  /* La classe ajoutée par votre JS */
  #mobile-zone-info.visible {
    transform: translateY(0);
  }

  .mobile-zone-info {
    position: fixed;
    bottom: 80px;
    left: 12px;
    right: 12px;
    background: var(--bg-raised);
    border: 1px solid var(--border-strong);
    border-radius: 8px;
    padding: 16px;
    z-index: 300;
    transform: translateY(
      calc(100% + 100px)
    ); /* ← pousse complètement hors écran */
    transition: transform 0.25s ease;
    box-shadow: 0 -4px 24px rgba(0, 0, 0, 0.4);
    pointer-events: none; /* ← ne capte aucun événement quand caché */
    max-height: calc(100vh - 160px);
    overflow-y: auto;
    z-index: 10000; /* Priorité haute */
  }

  .mobile-zone-info.visible {
    transform: translateY(0);
    pointer-events: auto; /* ← réactivé quand visible */
  }

  .spectrum-track .freq-bg-bar {
    transition: opacity 0.2s ease;
  }

  .spectrum-track.has-mobile-zone .freq-bg-bar {
    opacity: 0.58;
  }

  .spectrum-track.has-mobile-zone .spectrum-zone {
    filter: brightness(0.55);
    transition: filter 0.18s ease;
  }

  .spectrum-track.has-mobile-zone .spectrum-zone.is-mobile-active {
    filter: brightness(1.55);
  }

  .mobile-zone-info-close {
    position: absolute;
    top: 10px;
    right: 12px;
    background: transparent;
    border: none;
    color: var(--text-3);
    font-size: 18px;
    cursor: pointer;
    padding: 4px 8px;
  }

  .mobile-zone-info-title {
    font-family: "IBM Plex Mono", monospace;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--cyan);
    margin-bottom: 12px;
    padding-bottom: 8px;
    border-bottom: 1px solid var(--border);
    padding-right: 24px;
  }

  .mzi-row {
    font-size: 12px;
    color: var(--text-2);
    padding: 5px 0;
    border-bottom: 1px solid var(--border);
    line-height: 1.5;
  }

  .mzi-row:last-child {
    border-bottom: none;
  }
  .mzi-row.warning {
    color: var(--danger);
  }
  .mzi-row.error {
    color: var(--warn);
  }
  .mzi-row.tip {
    color: var(--text-1);
    font-style: italic;
  }
}

.gv-header {
  display: grid;
  align-items: stretch;
  gap: 8px;
  margin-bottom: 12px;
}

.gv-type-filters {
  width: 100%;
  justify-content: flex-start;
  flex-wrap: nowrap;
  overflow-x: auto;
  padding: 8px;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
}

.gv-type-filters::-webkit-scrollbar,
.gv-mobile-ruler-scroll::-webkit-scrollbar,
.gv-mobile-body-scroll::-webkit-scrollbar {
  display: none;
}

.gv-type-btn {
  flex: 0 0 auto;
  min-height: 40px;
}

.gv-type-btn-reset {
  width: 100%;
  min-height: 40px;
}

.gv-layout {
  overflow: visible;
  border: 0;
  background: transparent;
}

.global-spectrum-canvas.is-mobile {
  overflow: visible;
  border-radius: 8px;
}

.gv-hover-info {
  display: none;
}

.gv-mobile-shell {
  --gv-mobile-name-width: 128px;
  --gv-mobile-chart-width: 760px;
  position: relative;
  background: var(--bg-surface);
  border-radius: 8px;
}

.gv-mobile-empty {
  padding: 32px 20px;
  color: var(--text-2);
  font-family: "IBM Plex Mono", monospace;
  font-size: 10px;
  text-align: center;
}

.gv-mobile-ruler-scroll {
  position: sticky;
  top: 52px;
  z-index: 20;
  overflow-x: auto;
  overflow-y: hidden;
  background: var(--bg-surface);
  border-bottom: 1px solid var(--border-strong);
  border-radius: 8px 8px 0 0;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
}

.gv-mobile-ruler,
.gv-mobile-table {
  width: calc(var(--gv-mobile-name-width) + var(--gv-mobile-chart-width));
  min-width: calc(var(--gv-mobile-name-width) + var(--gv-mobile-chart-width));
}

.gv-mobile-ruler {
  display: grid;
  grid-template-columns: var(--gv-mobile-name-width) var(
      --gv-mobile-chart-width
    );
  height: 64px;
}

.gv-mobile-ruler-name {
  position: sticky;
  left: 0;
  z-index: 4;
  display: flex;
  align-items: flex-end;
  padding: 0 12px 10px;
  background: var(--bg-surface);
  border-right: 1px solid var(--border-strong);
  color: var(--text-3);
  font-family: "IBM Plex Mono", monospace;
  font-size: 9px;
  letter-spacing: 1.4px;
  text-transform: uppercase;
  box-shadow: 8px 0 18px rgba(0, 0, 0, 0.16);
}

.gv-mobile-shell.is-name-collapsed {
  --gv-mobile-name-width: 36px;
}

.gv-mobile-ruler,
.gv-mobile-table,
.gv-mobile-group-toggle,
.gv-mobile-row {
  transition:
    width 0.32s cubic-bezier(0.22, 1, 0.36, 1),
    min-width 0.32s cubic-bezier(0.22, 1, 0.36, 1),
    grid-template-columns 0.32s cubic-bezier(0.22, 1, 0.36, 1);
}

.gv-mobile-ruler-name {
  justify-content: space-between;
  gap: 6px;
  padding-right: 6px;
  overflow: hidden;
}

.gv-mobile-ruler-name-label {
  min-width: 0;
  overflow: hidden;
  white-space: nowrap;
  transition:
    opacity 0.2s ease,
    transform 0.3s ease;
}

.gv-mobile-name-toggle {
  display: grid;
  place-items: center;
  width: 23px;
  height: 45px;
  min-width: 23px;
  padding: 1px;
  margin-right: 5px;
  background: var(--bg-raised);
  border: 1px solid var(--border-strong);
  border-radius: 6px;
  color: var(--cyan);
  font-family: "IBM Plex Mono", monospace;
  font-size: 18px;
  line-height: 1;
  cursor: pointer;
  box-shadow: 0 0 0 rgba(0, 200, 212, 0);
  transition:
    transform 0.25s ease,
    border-color 0.25s ease,
    box-shadow 0.25s ease;
}

.gv-mobile-name-toggle:active {
  transform: scale(0.84);
}

.gv-mobile-name-toggle:hover {
  border-color: var(--cyan-line);
  box-shadow: 0 0 12px var(--cyan-dim);
}

.gv-mobile-shell.is-name-collapsed .gv-mobile-ruler-name {
  justify-content: center;
  padding-right: 4px;
  padding-left: 4px;
}

.gv-mobile-shell.is-name-collapsed .gv-mobile-ruler-name-label {
  width: 0;
  opacity: 0;
  transform: translateX(-10px);
}

.gv-mobile-shell.is-name-collapsed .gv-mobile-group-label {
  justify-content: center;
  padding: 0;
  font-size: 0;
  letter-spacing: 0;
}

.gv-mobile-shell.is-name-collapsed .gv-mobile-row-name {
  padding: 0;
  font-size: 0;
  color: transparent;
}

.gv-mobile-shell.is-name-collapsed .gv-mobile-group-arrow {
  right: 9px;
}

.gv-mobile-ruler-chart {
  position: relative;
  height: 64px;
  overflow: hidden;
}

.gv-mobile-zone {
  position: absolute;
  top: 0;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-2);
  font-family: "IBM Plex Mono", monospace;
  font-size: 8px;
  letter-spacing: 1.5px;
}

.gv-mobile-ruler-tick {
  position: absolute;
  bottom: 8px;
  color: var(--text-3);
  font-family: "IBM Plex Mono", monospace;
  font-size: 9px;
  transform: translateX(-50%);
}

.gv-mobile-ruler-tick::before {
  content: "";
  position: absolute;
  left: 50%;
  bottom: 14px;
  width: 1px;
  height: 8px;
  background: var(--border-strong);
}

.gv-mobile-ruler-tick.is-first {
  transform: none;
}

.gv-mobile-ruler-tick.is-first::before {
  left: 0;
}

.gv-mobile-ruler-tick.is-last {
  transform: translateX(-100%);
}

.gv-mobile-ruler-tick.is-last::before {
  left: 100%;
}

.gv-mobile-body-scroll {
  width: 100%;
  overflow-x: auto;
  overflow-y: visible;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
  touch-action: pan-x pan-y;
}

.gv-mobile-group {
  border-bottom: 1px solid var(--border);
}

.gv-mobile-group:last-child {
  border-bottom: 0;
}

.gv-mobile-group-toggle,
.gv-mobile-row {
  width: 100%;
  display: grid;
  grid-template-columns: var(--gv-mobile-name-width) var(
      --gv-mobile-chart-width
    );
  padding: 0;
  border: 0;
  border-radius: 0;
  text-align: left;
  font-family: inherit;
}

.gv-mobile-group-toggle {
  position: relative;
  min-height: 42px;
  background: var(--bg-raised);
  cursor: pointer;
}

.gv-mobile-group-label {
  position: sticky;
  left: 0;
  z-index: 4;
  display: flex;
  align-items: center;
  padding: 0 30px 0 12px;
  background: var(--bg-raised);
  border-right: 1px solid var(--border-strong);
  font-family: "IBM Plex Mono", monospace;
  font-size: 8px;
  letter-spacing: 1px;
  text-transform: uppercase;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.gv-mobile-group-meta {
  display: flex;
  align-items: center;
  padding-left: 14px;
  color: var(--text-3);
  font-family: "IBM Plex Mono", monospace;
  font-size: 9px;
}

.gv-mobile-group-arrow {
  position: absolute;
  top: 50%;
  right: 8px;
  color: var(--text-2);
  font-size: 16px;
  line-height: 1;
  transform: translateY(-50%);
  transition: transform 0.2s ease;
}

.gv-mobile-group.is-collapsed .gv-mobile-group-arrow {
  transform: translateY(-50%) rotate(-90deg);
}

.gv-mobile-group.is-collapsed .gv-mobile-group-rows {
  display: none;
}

.gv-mobile-row {
  min-height: 44px;
  background: var(--bg-surface);
  color: var(--text-2);
  cursor: pointer;
  touch-action: pan-x pan-y;
}

.gv-mobile-row:nth-child(even) {
  background: color-mix(in srgb, var(--bg-raised) 45%, transparent);
}

.gv-mobile-row-name {
  position: sticky;
  left: 0;
  z-index: 3;
  display: flex;
  align-items: center;
  min-width: 0;
  padding: 0 10px 0 12px;
  background: inherit;
  border-right: 1px solid var(--border);
  color: var(--text-2);
  font-size: 10px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  box-shadow: 8px 0 18px rgba(0, 0, 0, 0.12);
}

.gv-mobile-track {
  position: relative;
  display: block;
  height: 44px;
  overflow: hidden;
}

.gv-mobile-track-zone {
  position: absolute;
  inset-block: 0;
  opacity: 0.72;
  pointer-events: none;
}

.gv-mobile-bar {
  position: absolute;
  top: 14px;
  height: 16px;
  min-width: 4px;
  border-radius: 4px;
  opacity: 0.82;
  box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.08);
  pointer-events: none;
  transition:
    opacity 0.2s ease,
    filter 0.2s ease,
    transform 0.2s ease;
}

.gv-mobile-row.is-selected .gv-mobile-row-name {
  color: var(--text-1);
  background: var(--bg-raised);
}

.gv-mobile-row.is-selected .gv-mobile-bar {
  opacity: 1;
  filter: brightness(1.2);
  transform: scaleY(1.18);
}

.gv-mobile-detail {
  position: fixed;
  left: 12px;
  right: 12px;
  bottom: 72px;
  z-index: 190;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 12px;
  align-items: center;
  padding: 16px;
  background: color-mix(in srgb, var(--bg-raised) 94%, transparent);
  border: 1px solid var(--border-strong);
  border-radius: 12px;
  box-shadow: 0 -10px 40px rgba(0, 0, 0, 0.38);
  backdrop-filter: blur(14px);
  opacity: 0;
  transform: translateY(calc(100% + 90px));
  transition:
    opacity 0.25s ease,
    transform 0.35s cubic-bezier(0.22, 1, 0.36, 1);
}

.gv-mobile-detail.is-open {
  opacity: 1;
  transform: translateY(0);
}

.gv-mobile-detail-content {
  display: flex;
  min-width: 0;
  flex-direction: column;
  gap: 4px;
  padding-right: 24px;
}

.gv-mobile-detail-type {
  font-family: "IBM Plex Mono", monospace;
  font-size: 8px;
  letter-spacing: 1px;
  text-transform: uppercase;
}

.gv-mobile-detail-name {
  overflow: hidden;
  color: var(--text-1);
  font-size: 13px;
  white-space: nowrap;
  text-overflow: ellipsis;
}

.gv-mobile-detail-range {
  color: var(--text-2);
  font-family: "IBM Plex Mono", monospace;
  font-size: 10px;
}

.gv-mobile-detail-close {
  position: absolute;
  top: 6px;
  right: 8px;
  width: 32px;
  height: 32px;
  padding: 0;
  background: transparent;
  border: 0;
  color: var(--text-2);
  font-size: 20px;
  cursor: pointer;
}

.gv-mobile-detail-action {
  min-height: 40px;
  padding: 0 12px;
  background: var(--cyan-dim);
  border: 1px solid var(--cyan-line);
  border-radius: 6px;
  color: var(--cyan);
  font-family: "IBM Plex Mono", monospace;
  font-size: 9px;
  white-space: nowrap;
  cursor: pointer;
  margin-right: 35px;
}

@media (max-width: 420px) {
  .gv-mobile-shell {
    --gv-mobile-name-width: 116px;
  }

  .gv-mobile-detail {
    grid-template-columns: 1fr;
  }

  .gv-mobile-detail-action {
    width: 100%;
  }
}

/* ==========================================================================
   TABLETTE — PORTRAIT
========================================================================== */
@media (min-width: 700px) and (max-width: 1024px) and (orientation: portrait) {
  .mobile-header {
    height: 58px;
    padding: 0 22px;
  }

  .content {
    padding: 80px 22px 86px;
  }

  .grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
  }

  .card {
    min-width: 0;
  }

  .tab-bar {
    height: 64px;
    padding-right: max(12px, env(safe-area-inset-right));
    padding-left: max(12px, env(safe-area-inset-left));
  }

  .tab-bar .tab-bar-btn {
    max-width: 180px;
    margin: 0 auto;
  }

  .gv-mobile-shell {
    --gv-mobile-name-width: 144px;
    --gv-mobile-chart-width: 820px;
  }

  .gv-mobile-row,
  .gv-mobile-group-toggle {
    min-height: 46px;
  }

  .eq-guide-layout {
    gap: 16px;
  }

  .eq-panel-left,
  .eq-panel-right {
    padding: 22px;
  }

  #comparison-content {
    flex-wrap: nowrap;
  }

  .compare-item {
    min-width: 0;
  }
}

@media (max-width: 768px),
  (min-width: 769px) and (max-width: 1024px) and (orientation: portrait) {
  .loudness-card {
    margin-bottom: 16px;
  }

  .loudness-summary {
    min-height: 56px;
    padding: 10px 44px 10px 14px;
  }

  .loudness-content {
    grid-template-columns: 1fr;
    gap: 16px;
    padding: 14px;
  }

  .loudness-level-btn {
    min-width: 44px;
    min-height: 42px;
  }

  .loudness-level-note {
    min-height: 0;
  }

  .loudness-chart-panel {
    padding: 8px;
  }

  .loudness-chart-scroll {
    overflow-x: auto;
    overscroll-behavior-x: contain;
    scrollbar-width: thin;
    -webkit-overflow-scrolling: touch;
  }

  #equal-loudness-chart {
    width: 700px;
    min-width: 700px;
    min-height: 0;
  }

  .loudness-chart-caption {
    margin: 10px 4px 2px;
  }
}

@media (max-width: 520px) {
  .loudness-summary-meta {
    display: none;
  }

  .loudness-explainer h3 {
    font-size: 16px;
  }

  .loudness-chart-header {
    align-items: flex-start;
    flex-direction: column;
    gap: 4px;
  }

  .loudness-chart-header span:last-child {
    text-align: left;
  }
}

@media (min-width: 900px) and (max-width: 1024px) and (orientation: portrait) {
  .loudness-content {
    grid-template-columns: minmax(240px, 0.7fr) minmax(0, 1.5fr);
  }

  #equal-loudness-chart {
    width: 680px;
    min-width: 680px;
  }
}

@media (min-width: 769px) and (max-width: 1180px) and (orientation: landscape) {
  .loudness-content {
    grid-template-columns: 1fr;
    gap: 16px;
    padding: 16px;
  }

  .loudness-chart-scroll {
    overflow-x: auto;
    overscroll-behavior-x: contain;
  }

  #equal-loudness-chart {
    min-width: 680px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .loudness-summary,
  .loudness-summary::after,
  .loudness-level-btn,
  .loudness-curve {
    transition: none;
  }
}

.mobile-zone-info {
  position: fixed;
  right: max(12px, env(safe-area-inset-right));
  bottom: max(76px, calc(64px + env(safe-area-inset-bottom)));
  left: max(12px, env(safe-area-inset-left));
  z-index: 1000;
  max-height: min(62vh, 480px);
  padding: 16px;
  overflow-y: auto;
  color: var(--text-1);
  background: var(--bg-raised);
  background: color-mix(in srgb, var(--bg-raised) 96%, transparent);
  border: 1px solid var(--border-strong);
  border-radius: 10px;
  box-shadow: 0 -10px 40px rgba(0, 0, 0, 0.42);
  backdrop-filter: blur(14px);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transform: translateY(calc(100% + 100px));
  transition:
    opacity 0.2s ease,
    visibility 0.2s ease,
    transform 0.32s cubic-bezier(0.22, 1, 0.36, 1);
}

.mobile-zone-info.visible,
.mobile-zone-info.is-open {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  .mobile-zone-info {
    transition: none;
  }
}

/* ==========================================================================
   TABLETTE — PAYSAGE
========================================================================== */
@media (min-width: 769px) and (max-width: 1180px) and (orientation: landscape) {
  .sidebar {
    width: 210px;
    min-width: 210px;
    padding: 22px 18px;
  }

  .sidebar-brand {
    gap: 10px;
  }

  .logo {
    font-size: 17px;
    letter-spacing: 2px;
  }

  .content {
    padding: 20px;
  }

  header {
    gap: 14px;
    margin-bottom: 20px;
  }

  .view-tabs {
    gap: 6px;
  }

  .tab-btn {
    padding: 11px 13px;
    font-size: 10px;
  }

  .grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
  }

  .card {
    min-width: 0;
  }

  .gv-header {
    align-items: flex-start;
    gap: 12px;
  }

  .gv-type-filters {
    overflow-x: auto;
    scrollbar-width: thin;
  }

  .global-spectrum-canvas {
    overflow-x: auto;
    overscroll-behavior-x: contain;
  }

  .global-spectrum-canvas > svg {
    min-width: 900px;
  }

  .eq-guide-layout {
    gap: 12px;
  }

  .eq-panel-left,
  .eq-panel-right {
    padding: 18px;
  }

  #comparison-content {
    flex-wrap: nowrap;
  }

  .compare-item {
    min-width: 0;
  }
}