:root {
  --bg: #FFFFFF;
  --text: #111111;
  --muted: #4B5563;
  --border: #D1D5DB;
  --border-strong: #9CA3AF;
  --surface: #F3F4F6;
  --track: #E5E7EB;
  --accent: #5EEAD4;
  --accent-strong: #0F766E;
  --on-accent: #0B3B36;
  --accent-soft: rgb(94 234 212 / 0.22);
  --danger: #B91C1C;
  --warn: #92400E;
  --wave: #9CA3AF;
  --radius: 8px;
  --field-h: 44px;
  --chevron: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%236B7280' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #0B0F14; --text: #E5E7EB; --muted: #9CA3AF; --border: #2A3038; --border-strong: #3B4450;
    --surface: #151B22; --track: #2A3038; --accent-strong: #5EEAD4; --danger: #F87171; --warn: #FBBF24; --wave: #4B5563;
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --bg: #0B0F14; --text: #E5E7EB; --muted: #9CA3AF; --border: #2A3038; --border-strong: #3B4450;
  --surface: #151B22; --track: #2A3038; --accent-strong: #5EEAD4; --danger: #F87171; --warn: #FBBF24; --wave: #4B5563;
  color-scheme: dark;
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }
html, body { margin: 0; }
body {
  background: var(--bg);
  color: var(--text);
  font: 16px/1.45 -apple-system, BlinkMacSystemFont, "Inter", "Segoe UI", sans-serif;
  -webkit-font-smoothing: antialiased;
}
:focus-visible { outline: 2px solid var(--accent-strong); outline-offset: 2px; }

.banner { margin: 0; padding: 10px 16px; background: #B91C1C; color: #FFFFFF; font-weight: 600; }

/* ---------- mise en page ---------- */
.layout { display: grid; grid-template-columns: minmax(0, 1fr) 480px; min-height: 100vh; }
.stage {
  position: sticky; top: 0; height: 100vh;
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 12px; padding: 32px;
}
.preview-card {
  position: relative; overflow: hidden; border-radius: 16px; border: 1px solid var(--border);
  width: min(100%, calc((100vh - 140px) * var(--ratio, 0.5625)));
  aspect-ratio: var(--ar, 9 / 16);
  background: var(--surface);
}
.pv-bg { position: absolute; inset: 0; background-size: cover; background-position: center; }
.pv-disc, .pv-sheen { position: absolute; }
.pv-sheen, .pv-fg { pointer-events: none; }
.pv-fg { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }

.panel { border-left: 1px solid var(--border); padding: 24px 28px 0; display: flex; flex-direction: column; min-width: 0; }
.settings { display: flex; flex-direction: column; gap: 22px; }
.field { display: flex; flex-direction: column; gap: 8px; }
.label { margin: 0; font-weight: 700; font-size: 16px; }
.help { margin: 0; font-size: 14px; color: var(--muted); }
.help.is-error, #folder-status.is-error { color: var(--danger); }

/* ---------- contrôles ---------- */
select, input[type="text"], input[type="number"] {
  width: 100%; height: var(--field-h); padding: 0 14px;
  border: 1px solid var(--border-strong); border-radius: var(--radius);
  background: var(--bg); color: var(--text); font: inherit;
}
select { appearance: none; background: var(--bg) var(--chevron) no-repeat right 14px center; padding-right: 40px; }

.btn-primary {
  height: 52px; border: 0; border-radius: var(--radius); background: var(--accent); color: var(--on-accent);
  font: inherit; font-weight: 700; font-size: 17px; cursor: pointer;
}
.btn-primary:disabled { opacity: 0.5; cursor: not-allowed; }
.btn-secondary {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px; height: 40px; padding: 0 14px;
  border: 1px solid var(--border-strong); border-radius: var(--radius); background: var(--bg); color: var(--text);
  font: inherit; font-weight: 600; cursor: pointer;
}
.icon-btn {
  display: inline-grid; place-items: center; width: 44px; height: 44px; flex: none;
  border: 1px solid var(--border-strong); border-radius: var(--radius); background: var(--bg); color: var(--text); cursor: pointer;
}
[data-icon] { display: inline-grid; place-items: center; }

.dropzone {
  display: flex; align-items: center; gap: 12px; flex-wrap: wrap; padding: 12px;
  border: 1px dashed var(--border-strong); border-radius: var(--radius);
}
.dropzone.is-over { border-color: var(--accent-strong); background: var(--accent-soft); }
.links { display: flex; flex-direction: column; gap: 6px; }
.links-label { font-size: 14px; font-weight: 600; }
.links-row { display: flex; align-items: flex-start; gap: 8px; }
.links-row textarea {
  flex: 1; min-width: 0; min-height: var(--field-h); max-height: 96px; padding: 11px 14px; resize: none; field-sizing: content;
  border: 1px solid var(--border-strong); border-radius: var(--radius); background: var(--bg); color: var(--text); font: inherit; font-size: 14px;
}
.links-row .btn-secondary { height: var(--field-h); }
.links-row textarea:disabled, .btn-secondary:disabled { opacity: 0.5; cursor: not-allowed; }

.file-row { display: flex; gap: 8px; }
.file-input {
  position: relative; flex: 1; min-width: 0; display: flex; align-items: center; gap: 10px; height: var(--field-h); padding: 0 14px;
  border: 1px solid var(--border-strong); border-radius: var(--radius); color: var(--muted); cursor: pointer;
}
.file-input input { position: absolute; width: 1px; height: 1px; opacity: 0; pointer-events: none; }
.file-input:focus-within { outline: 2px solid var(--accent-strong); outline-offset: 2px; }
.file-name { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

.slider { position: relative; padding-top: 30px; }
.bubble {
  position: absolute; top: 0; left: calc(var(--p, 0) * (100% - 22px) + 11px); transform: translateX(-50%);
  padding: 2px 8px; border-radius: 6px; background: var(--accent); color: var(--on-accent); font-size: 13px; font-weight: 700;
  pointer-events: none;
}
.ticks { position: relative; height: 20px; font-size: 13px; color: var(--muted); }
.ticks span { position: absolute; left: calc(var(--p, 0) * (100% - 22px) + 11px); transform: translateX(-50%); }
input[type="range"] { -webkit-appearance: none; appearance: none; width: 100%; height: 22px; margin: 0; background: transparent; }
input[type="range"]::-webkit-slider-runnable-track {
  height: 6px; border-radius: 3px;
  background: linear-gradient(to right, var(--accent) 0 calc(var(--p, 0) * 100%), var(--track) calc(var(--p, 0) * 100%) 100%);
}
input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none; width: 22px; height: 22px; margin-top: -8px; border-radius: 50%;
  background: #FFFFFF; border: 1px solid var(--border-strong); box-shadow: 0 1px 3px rgb(0 0 0 / 0.3); cursor: pointer;
}
input[type="range"]::-moz-range-track { height: 6px; border-radius: 3px; background: var(--track); }
input[type="range"]::-moz-range-progress { height: 6px; border-radius: 3px; background: var(--accent); }
input[type="range"]::-moz-range-thumb { width: 22px; height: 22px; border-radius: 50%; background: #FFFFFF; border: 1px solid var(--border-strong); }

input[type="color"] {
  width: 44px; height: 44px; padding: 3px; border: 1px solid var(--border-strong); border-radius: var(--radius);
  background: var(--bg); cursor: pointer;
}
input[type="color"]:disabled { cursor: default; }
.swatches { display: flex; flex-wrap: wrap; gap: 10px; }
.swatch-item { display: flex; flex-direction: column; align-items: center; gap: 2px; }
.swatch-label { font-size: 12px; color: var(--muted); }
.color-row { display: grid; grid-template-columns: 56px 1fr; gap: 12px; }
.color-row input[type="color"] { width: 56px; }
.hex { text-transform: uppercase; }
.suggestions { display: flex; gap: 8px; }
.suggestion { width: 32px; height: 32px; border-radius: 50%; border: 1px solid var(--border-strong); cursor: pointer; padding: 0; }

/* ---------- menu des variantes ---------- */
.picker { position: relative; }
.picker-button {
  display: flex; align-items: center; gap: 10px; width: 100%; height: var(--field-h); padding: 0 40px 0 10px;
  border: 1px solid var(--border-strong); border-radius: var(--radius); text-align: left;
  background: var(--bg) var(--chevron) no-repeat right 14px center; color: var(--text); font: inherit; cursor: pointer;
}
.swatch { width: 28px; height: 28px; flex: none; }
.picker-list {
  position: absolute; z-index: 10; top: calc(100% + 4px); left: 0; right: 0; max-height: 360px; overflow: auto;
  margin: 0; padding: 4px; list-style: none; background: var(--bg);
  border: 1px solid var(--border-strong); border-radius: var(--radius); box-shadow: 0 8px 24px rgb(0 0 0 / 0.15);
}
.picker-list li { display: flex; align-items: center; gap: 10px; padding: 8px 10px; border-radius: 6px; cursor: pointer; }
.picker-list li.is-active, .picker-list li[aria-selected="true"] { background: var(--accent-soft); }

/* ---------- sons ---------- */
.tracks-section { margin-top: 28px; }
.tracks { display: flex; flex-direction: column; gap: 12px; margin: 0; padding: 0; list-style: none; }
.track { display: flex; flex-direction: column; gap: 10px; padding: 12px; border: 1px solid var(--border); border-radius: 12px; cursor: pointer; }
.track.is-selected { border-color: var(--accent-strong); box-shadow: 0 0 0 1px var(--accent-strong); }
.track.is-error { border-color: var(--danger); cursor: default; }
.track-head { display: flex; align-items: center; gap: 10px; }
.track-cover { width: 56px; height: 56px; flex: none; border-radius: 6px; object-fit: cover; background: #2A2A2A; }
.track-meta { flex: 1; min-width: 0; }
.track-cover-btn { position: relative; flex: none; width: 56px; height: 56px; padding: 0; border: 0; border-radius: 6px; background: none; cursor: pointer; }
.track-cover-btn:disabled { cursor: default; }
.track-cover-edit {
  position: absolute; inset: 0; display: grid; place-items: center; border-radius: 6px;
  background: rgb(0 0 0 / 0.5); color: #FFFFFF; opacity: 0;
}
.track-cover-btn:not(:disabled):hover .track-cover-edit, .track-cover-btn:focus-visible .track-cover-edit { opacity: 1; }
.track-warn[data-kind="info"] { color: var(--muted); }
.track-photo-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; margin-top: 6px; }
.btn-small { height: 32px; padding: 0 10px; font-size: 14px; gap: 6px; }
.btn-small svg { width: 16px; height: 16px; }
.link-btn { padding: 0; border: 0; background: none; color: var(--accent-strong); font: inherit; font-size: 13px; text-decoration: underline; cursor: pointer; }
.track-title { margin: 0; font-weight: 700; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.track-sub { margin: 0; font-size: 14px; color: var(--muted); }
.track-warn { margin: 2px 0 0; font-size: 13px; color: var(--warn); }
.track-source { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; margin: 2px 0 0; font-size: 13px; color: var(--muted); }
.track-msg { margin: 0; font-size: 14px; }
.track-msg[data-kind="error"] { color: var(--danger); }
.trim { display: flex; flex-direction: column; gap: 10px; }
.wave { position: relative; height: 64px; border-radius: 6px; background: var(--surface); touch-action: none; }
.wave-canvas { position: absolute; inset: 0; width: 100%; height: 100%; color: var(--wave); }
.wave-window {
  position: absolute; top: 0; bottom: 0; cursor: grab; background: var(--accent-soft);
  border-top: 2px solid var(--accent); border-bottom: 2px solid var(--accent);
}
.wave-handle { position: absolute; top: -2px; bottom: -2px; width: 10px; background: var(--accent); cursor: ew-resize; }
.wave-handle-start { left: -5px; border-radius: 4px 0 0 4px; }
.wave-handle-end { right: -5px; border-radius: 0 4px 4px 0; }
.wave-grip {
  position: absolute; left: 50%; top: 50%; width: 9px; height: 20px; transform: translate(-50%, -50%); opacity: 0.7;
  background-image: radial-gradient(var(--muted) 1.2px, transparent 1.4px); background-size: 4.5px 5px;
}
.wave-playhead { position: absolute; top: 0; bottom: 0; width: 2px; margin-left: -1px; background: var(--text); pointer-events: none; }
.trim-fields { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.mini-field { display: flex; flex-direction: column; gap: 4px; font-size: 13px; color: var(--muted); }
.mini-field input, .mini-field select { height: 40px; }
.trim-buttons { display: flex; gap: 8px; }
.track-overrides { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; align-items: end; }
.track-overrides .ov-bgcolor { grid-column: 2; width: 100%; }
.track-overrides .ov-reroll { grid-column: 1 / -1; justify-self: start; }
.track-status { display: flex; flex-direction: column; gap: 6px; }
.progress { height: 6px; overflow: hidden; border-radius: 3px; background: var(--track); }
.progress span { display: block; width: 0; height: 100%; background: var(--accent-strong); transition: width 0.2s linear; }
.status-text { margin: 0; font-size: 14px; color: var(--muted); }
.track-status[data-state="error"] .status-text { color: var(--danger); }
.status-retry, .status-reveal { align-self: flex-start; }

.panel-footer {
  position: sticky; bottom: 0; display: grid; gap: 8px; margin-top: 24px; padding: 16px 0 24px;
  background: var(--bg); border-top: 1px solid var(--border);
}

@media (max-width: 900px) {
  .layout { grid-template-columns: 1fr; }
  .stage { position: static; height: auto; padding: 16px; }
  .preview-card { width: min(100%, calc(60vh * var(--ratio, 0.5625))); }
  .panel { border-left: 0; border-top: 1px solid var(--border); padding: 16px 16px 0; }
}

/* Aperçu avec effet : image recomposée posée sur tout l'aperçu. */
.pv-fx { position: absolute; inset: 0; width: 100%; height: 100%; display: block; }

/* Modèle « Track ID » : police de Hosted pour l'affiche, aperçu dessiné dans une seule image. */
@font-face { font-family: 'Host Grotesk'; font-style: normal; font-weight: 300 800; font-display: swap; src: url(assets/fonts/host-grotesk-latin-ext.woff2) format('woff2'); unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF; }
@font-face { font-family: 'Host Grotesk'; font-style: normal; font-weight: 300 800; font-display: swap; src: url(assets/fonts/host-grotesk-latin.woff2) format('woff2'); unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD; }
.pv-poster { position: absolute; inset: 0; width: 100%; height: 100%; display: block; }
.field.is-off { display: none; }