/* ============================================ */
/* style.css — Gratte & Chante — Dark Guitar    */
/* ============================================ */

/* Google Fonts chargées via <link> dans index.html */

/* --- Reset --- */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

/* --- Variables --- */
:root {
    /* Contenu principal */
    --bg-base:      #0e0c09;
    --bg-card:      #1a1610;
    --bg-card-alt:  #1d1a13;
    --bg-input:     #13100c;
    --border:       #2c2318;
    --border-sub:   #3d3222;

    --accent:       #c8932a;
    --accent-hi:    #e0a832;
    --accent-dim:   rgba(200, 147, 42, 0.14);

    --text:         #e8dfc8;
    --text-muted:   #a89878;
    --text-dim:     #b0a080;

    --green:        #2db567;
    --green-dim:    rgba(45, 181, 103, 0.18);
    --red:          #c0392b;
    --red-dim:      rgba(192, 57, 43, 0.14);

    --radius:       8px;
    --radius-lg:    12px;
    --radius-pill:  999px;

    --shadow:       0 6px 28px rgba(0, 0, 0, 0.55);
    --shadow-sm:    0 2px 8px  rgba(0, 0, 0, 0.35);

    /* Header — couleurs sombres par défaut */
    --header-bg:           linear-gradient(145deg, #201d15 0%, #1a1610 100%);
    --header-border:       rgba(200, 147, 42, 0.18);
    --header-accent-line:  rgba(200, 147, 42, 0.32);
    --header-ctrl-bg:      rgba(0, 0, 0, 0.22);
    --header-ctrl-border:  rgba(255, 255, 255, 0.05);
    --header-label:        #b8a080;
    --header-input-bg:     rgba(255, 255, 255, 0.07);
    --header-input-text:   #d8cdb8;
    --header-input-border: rgba(255, 255, 255, 0.1);
    --header-title-shadow: 0 0 22px rgba(200, 147, 42, 0.32);

    /* Diagrammes */
    --diagram-bg:          #181410;
    --diagram-inset:       inset 0 2px 10px rgba(0, 0, 0, 0.4);
}

/* --- Base --- */
body {
    background-color: var(--bg-base);
    background-image:
        radial-gradient(ellipse at top left,  rgba(200, 147, 42, 0.07) 0%, transparent 45%),
        radial-gradient(ellipse at bottom right, rgba(180, 90, 20, 0.05) 0%, transparent 50%);
    color: var(--text);
    font-family: 'Open Sans', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    font-size: 15px;
    line-height: 1.6;
    padding: 16px;
    padding-top: max(16px, env(safe-area-inset-top));
    padding-left: max(16px, env(safe-area-inset-left));
    padding-right: max(16px, env(safe-area-inset-right));
    padding-bottom: max(16px, env(safe-area-inset-bottom));
    min-height: 100vh;
    min-height: 100dvh;
}

/* --- Header --- */
header {
    background: var(--header-bg);
    border: 1px solid var(--header-border);
    border-bottom: 2px solid var(--header-accent-line);
    color: var(--text);
    padding: 16px 20px 12px;
    margin-bottom: 24px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    transition: background 0.3s, border-color 0.3s;
}

header h1 {
    text-align: center;
    font-family: 'Oswald', 'Trebuchet MS', sans-serif;
    font-size: 2em;
    font-weight: 700;
    letter-spacing: 3px;
    text-transform: uppercase;
    color: var(--accent);
    text-shadow: var(--header-title-shadow);
    margin-bottom: 14px;
    transition: color 0.3s;
}

.global-controls {
    display: flex;
    justify-content: space-around;
    align-items: center;
    flex-wrap: wrap;
    gap: 16px;
    background: rgba(0, 0, 0, 0.28);
    padding: 12px 18px;
    border-radius: var(--radius);
    border: 1px solid var(--border);
    margin-bottom: 12px;
}

.app-status {
    padding: 10px 14px;
    border-radius: var(--radius);
    font-size: 0.88rem;
    font-weight: 600;
    letter-spacing: 0.3px;
}
.app-status-info    { background: rgba(255,255,255,0.04); color: var(--text-muted); }
.app-status-success { background: var(--green-dim);  color: #5de8a0; border: 1px solid rgba(45,181,103,0.25); }
.app-status-warning { background: var(--accent-dim); color: var(--accent-hi); border: 1px solid rgba(200,147,42,0.22); }
.app-status-error   { background: var(--red-dim);    color: #ff8080; border: 1px solid rgba(192,57,43,0.25); }

.control-item {
    display: flex;
    align-items: center;
    gap: 8px;
}

.control-item label {
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.6px;
}

.control-item input[type="number"],
.control-item select {
    padding: 7px 10px;
    font-size: 0.92rem;
    border: 1px solid var(--border-sub);
    border-radius: 6px;
    background: var(--bg-input);
    color: var(--text);
    transition: border-color 0.2s, box-shadow 0.2s;
}
.control-item input[type="number"]:focus,
.control-item select:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 2px var(--accent-dim);
    outline: none;
}
.voicing-level-control select { min-width: 130px; }

.control-item input[type="checkbox"] {
    width: 18px;
    height: 18px;
    cursor: pointer;
    accent-color: var(--accent);
}

/* Play / Pause button */
.button-prominent {
    padding: 10px 22px;
    font-size: 0.95rem;
    font-weight: 700;
    font-family: 'Oswald', sans-serif;
    letter-spacing: 1px;
    text-transform: uppercase;
    background: linear-gradient(135deg, var(--green) 0%, #239a56 100%);
    color: #fff;
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.2s;
    box-shadow: 0 2px 10px rgba(45, 181, 103, 0.3);
}
.button-prominent:hover  { background: linear-gradient(135deg, #38d880 0%, #2db567 100%) !important; box-shadow: 0 4px 16px rgba(45,181,103,0.45) !important; }
.button-prominent:active { transform: scale(0.97); }
.button-prominent.playing {
    background: linear-gradient(135deg, var(--accent) 0%, #a07020 100%) !important;
    color: #1a1410;
    box-shadow: 0 2px 10px rgba(200,147,42,0.4) !important;
}
.button-prominent.playing:hover { background: linear-gradient(135deg, var(--accent-hi) 0%, var(--accent) 100%) !important; }

/* Métronome */
#metronome-indicator {
    width: 36px;
    height: 36px;
    background: var(--bg-input);
    border: 2px solid var(--border-sub);
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 0.85rem;
    font-weight: 700;
    font-family: 'Oswald', sans-serif;
    color: var(--text-dim);
    transition: background 0.1s, border-color 0.1s, box-shadow 0.1s, color 0.1s;
    box-shadow: var(--shadow-sm);
}
#metronome-indicator.strong-beat {
    background: var(--red);
    border-color: #e05050;
    color: #fff;
    box-shadow: 0 0 12px rgba(192, 57, 43, 0.7);
}
#metronome-indicator.weak-beat {
    background: var(--accent);
    border-color: var(--accent-hi);
    color: #1a1410;
    box-shadow: 0 0 10px rgba(200, 147, 42, 0.55);
}

/* --- Two-column layout --- */
.main-content-area.two-column-layout {
    display: flex;
    flex-direction: row;
    gap: 20px;
    flex-wrap: wrap;
}
.column {
    display: flex;
    flex-direction: column;
    gap: 20px;
}
.column-left  { flex: 3; min-width: 350px; }
.column-right { flex: 2; min-width: 300px; }

/* Cards */
.card-layout {
    background: var(--bg-card);
    padding: 20px;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border);
    box-shadow: var(--shadow);
}
.section-heading {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
    margin-bottom: 12px;
}
.section-helper {
    margin-bottom: 14px;
    color: var(--text-dim);
    font-size: 0.88rem;
}
.sequence-summary { display: flex; gap: 8px; flex-wrap: wrap; }
.summary-pill {
    padding: 4px 10px;
    border-radius: var(--radius-pill);
    background: var(--accent-dim);
    color: var(--accent);
    font-size: 0.8rem;
    font-weight: 700;
    border: 1px solid rgba(200, 147, 42, 0.2);
}

/* --- Chord Display Area --- */
.chord-display-area h2.chord-title {
    text-align: left;
    margin: 0;
    color: var(--text);
    font-family: 'Oswald', sans-serif;
    font-size: 1.6em;
    font-weight: 600;
    flex-grow: 1;
}
#displayed-chord-name {
    color: var(--accent);
    font-weight: 700;
    text-shadow: 0 0 16px rgba(200, 147, 42, 0.35);
}
.title-voicing-group {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    gap: 15px;
    border-bottom: 1px solid var(--border);
    padding-bottom: 16px;
}
.voicing-controls { text-align: right; }
.voicing-controls span {
    margin: 0 6px;
    font-size: 0.78rem;
    color: var(--text-dim);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}
.voicing-controls button {
    padding: 5px 12px;
    font-size: 1em;
    font-weight: 700;
    cursor: pointer;
    background: var(--bg-card-alt);
    color: var(--text-muted);
    border: 1px solid var(--border-sub);
    border-radius: 6px;
    transition: all 0.15s;
}
.voicing-controls button:hover:not(:disabled) {
    background: var(--accent-dim);
    color: var(--accent);
    border-color: rgba(200, 147, 42, 0.4);
}
.voicing-controls button:disabled {
    opacity: 0.3;
    cursor: not-allowed;
}

.display-views {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}
.chord-diagram-view, .fretboard-view {
    flex: 1;
    min-width: 200px;
    max-width: 400px;
    text-align: center;
}
.chord-diagram-view h3, .fretboard-view h3 {
    margin-bottom: 8px;
    color: var(--text-dim);
    font-size: 0.72rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1.2px;
}
#chord-diagram, #fretboard-visualization {
    background: var(--diagram-bg);
    border: 1px solid var(--border-sub);
    border-radius: var(--radius);
    min-height: 185px;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 8px;
    box-shadow: var(--diagram-inset);
    transition: background 0.3s;
}
#chord-diagram svg, #fretboard-visualization svg {
    display: block;
    margin: auto;
    max-width: 100%;
    height: auto;
}

/* --- Sequence List --- */
.song-list-area h3 {
    color: var(--text);
    font-family: 'Oswald', sans-serif;
    font-size: 1em;
    font-weight: 600;
    letter-spacing: 0.5px;
    text-transform: uppercase;
}
.sequence-list-box {
    list-style: none;
    padding: 0;
    max-height: 320px;
    overflow-y: auto;
    border: 1px solid var(--border);
    background: var(--bg-input);
    border-radius: var(--radius);
    scrollbar-width: thin;
    scrollbar-color: var(--border-sub) transparent;
}
.sequence-list-box li {
    padding: 8px 12px;
    border-bottom: 1px solid var(--border);
}
.sequence-list-box li:last-child { border-bottom: none; }

#sequence-list li.playing-step {
    background: var(--accent-dim);
    border-left: 3px solid var(--accent);
    padding-left: 9px;
}
#sequence-list .sequence-step {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
}
.sequence-step-main {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 0;
    border: none;
    background: transparent;
    text-align: left;
    cursor: pointer;
    color: inherit;
}
.sequence-step-main:hover,
.sequence-step-main:focus-visible {
    color: var(--accent);
    outline: none;
}
.sequence-step-label {
    font-weight: 700;
    color: var(--text);
    font-family: 'Oswald', sans-serif;
    letter-spacing: 0.4px;
}
.sequence-step-meta {
    color: var(--text-dim);
    font-size: 0.85rem;
    white-space: nowrap;
}
.sequence-step-delete {
    padding: 4px 10px;
    border: 1px solid rgba(192, 57, 43, 0.28);
    background: var(--red-dim);
    color: #ff8888;
    border-radius: var(--radius-pill);
    cursor: pointer;
    font-size: 0.78rem;
    font-weight: 700;
    transition: all 0.15s;
}
.sequence-step-delete:hover,
.sequence-step-delete:focus-visible {
    background: rgba(192, 57, 43, 0.28);
    border-color: var(--red);
    outline: none;
}
.empty-state {
    color: var(--text-dim);
    text-align: center;
    font-style: italic;
    padding: 16px 0;
}
#clear-sequence-btn {
    margin-top: 12px;
    padding: 8px 18px;
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    border-radius: 6px;
    color: var(--text-muted);
    background: transparent;
    border: 1px solid var(--border-sub);
    transition: all 0.15s;
}
#clear-sequence-btn:hover {
    background: var(--red-dim);
    color: #ff8080;
    border-color: rgba(192, 57, 43, 0.4);
}
#clear-sequence-btn:disabled,
.input-actions button:disabled,
#save-song-btn:disabled, #load-song-btn:disabled, #delete-song-btn:disabled {
    opacity: 0.35;
    cursor: not-allowed;
}

/* --- Right column: Add Chord --- */
.sequence-input h3 {
    margin-bottom: 14px;
    color: var(--text);
    font-family: 'Oswald', sans-serif;
    font-size: 1em;
    font-weight: 600;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    border-bottom: 1px solid var(--border);
    padding-bottom: 10px;
}
.sequence-input div { margin-bottom: 12px; }
.sequence-input label {
    display: block;
    margin-bottom: 5px;
    font-size: 0.78rem;
    font-weight: 700;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}
.sequence-input input[type="text"],
.sequence-input input[type="number"] {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--border-sub);
    border-radius: var(--radius);
    background: var(--bg-input);
    color: var(--text);
    font-size: 0.95rem;
    transition: border-color 0.2s, box-shadow 0.2s;
}
.sequence-input input[type="text"]:focus,
.sequence-input input[type="number"]:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 2px var(--accent-dim);
    outline: none;
}
.sequence-input input::placeholder { color: var(--text-dim); }

.suggestions {
    border: 1px solid var(--border-sub);
    background: var(--bg-card-alt);
    padding: 8px;
    min-height: 40px;
    color: var(--text-dim);
    border-radius: var(--radius);
    margin-top: 5px;
    font-size: 0.9em;
}
.suggestion-item {
    width: 100%;
    text-align: left;
    cursor: pointer;
    padding: 8px 10px;
    color: var(--text);
    border: none;
    background: transparent;
    border-radius: 6px;
    font-family: 'Oswald', sans-serif;
    font-size: 0.95em;
    letter-spacing: 0.3px;
    transition: background 0.1s, color 0.1s;
}
.suggestion-item:hover,
.suggestion-item:focus-visible,
.suggestion-item.is-active {
    background: var(--accent-dim);
    color: var(--accent);
    outline: none;
}
.input-actions {
    display: flex;
    gap: 10px;
    margin-top: 14px;
}
.input-actions button {
    flex-grow: 1;
    padding: 11px;
    font-size: 0.92em;
    font-weight: 700;
    font-family: 'Oswald', sans-serif;
    letter-spacing: 0.8px;
    text-transform: uppercase;
    cursor: pointer;
    border-radius: var(--radius);
    border: 1px solid transparent;
    transition: all 0.15s;
}
#add-chord-btn {
    background: linear-gradient(135deg, var(--accent) 0%, #9a6c1c 100%);
    color: #1a1410;
    border-color: var(--accent);
    box-shadow: 0 2px 10px rgba(200, 147, 42, 0.3);
}
#add-chord-btn:hover:not(:disabled) {
    background: linear-gradient(135deg, var(--accent-hi) 0%, var(--accent) 100%);
    box-shadow: 0 4px 16px rgba(200, 147, 42, 0.45);
}

/* --- Right column: Song Management --- */
.song-management-sub-area h3 {
    margin-bottom: 14px;
    color: var(--text);
    font-family: 'Oswald', sans-serif;
    font-size: 1em;
    font-weight: 600;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    border-bottom: 1px solid var(--border);
    padding-bottom: 10px;
}
.song-management-sub-area .song-name-section,
.song-management-sub-area .song-select-section {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 12px;
    flex-wrap: wrap;
}
.song-management-sub-area label {
    display: inline-block;
    margin-bottom: 0;
    flex-shrink: 0;
    font-size: 0.78rem;
    font-weight: 700;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}
#song-name-input, #saved-songs-select {
    flex-grow: 1;
    padding: 8px 10px;
    border: 1px solid var(--border-sub);
    border-radius: 6px;
    min-width: 120px;
    background: var(--bg-input);
    color: var(--text);
    font-size: 0.9rem;
    transition: border-color 0.2s, box-shadow 0.2s;
}
#song-name-input:focus, #saved-songs-select:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 2px var(--accent-dim);
    outline: none;
}
#save-song-btn, #load-song-btn, #delete-song-btn {
    padding: 7px 12px;
    font-size: 1.05em;
    flex-shrink: 0;
    cursor: pointer;
    border-radius: 6px;
    font-weight: 700;
    transition: all 0.15s;
    border: 1px solid;
}
#save-song-btn   { background: rgba(13,110,253,0.12); color: #6ea8fe; border-color: rgba(13,110,253,0.3);  }
#save-song-btn:hover   { background: rgba(13,110,253,0.22); }
#load-song-btn   { background: var(--green-dim);        color: #5de8a0; border-color: rgba(45,181,103,0.3); }
#load-song-btn:hover   { background: rgba(45,181,103,0.28); }
#delete-song-btn { background: var(--red-dim);           color: #ff8888; border-color: rgba(192,57,43,0.3);  }
#delete-song-btn:hover { background: rgba(192,57,43,0.28); }

/* --- Footer --- */
footer {
    text-align: center;
    margin-top: 28px;
    padding-top: 16px;
    border-top: 1px solid var(--border);
    color: var(--text-dim);
    font-size: 0.85rem;
}

/* --- Responsive --- */
@media (max-width: 768px) {
    body { padding: 10px; }
    header { padding: 12px; margin-bottom: 16px; }
    header h1 { font-size: 1.6em; }
    .global-controls { flex-direction: column; align-items: stretch; gap: 12px; }
    .control-item { justify-content: space-between; }
    #metronome-indicator { margin: 8px auto; }
    .main-content-area.two-column-layout { flex-direction: column; }
    .column-left, .column-right { min-width: unset; flex-basis: auto; }
    .display-views { flex-direction: column; align-items: center; gap: 15px; }
    .title-voicing-group { flex-direction: column; align-items: stretch; border-bottom: none; padding-bottom: 0; }
    .chord-display-area h2.chord-title { text-align: center; margin-bottom: 10px; }
    .voicing-controls { text-align: center; margin-bottom: 15px; }
    .chord-diagram-view, .fretboard-view { max-width: 95%; }
    .section-heading { flex-direction: column; align-items: flex-start; }
    .sequence-step-main { flex-direction: column; align-items: flex-start; }
    .sequence-step-meta { white-space: normal; }
    .song-management-sub-area .song-name-section,
    .song-management-sub-area .song-select-section { flex-wrap: wrap; }
}

/* ============================================ */
/* --- Bouton toggle thème ---                  */
/* ============================================ */

#theme-toggle-btn {
    width: 34px;
    height: 34px;
    border-radius: 50%;
    border: 1px solid rgba(255, 255, 255, 0.12);
    background: rgba(0, 0, 0, 0.3);
    color: #b0987a;
    font-size: 1.05rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s;
    flex-shrink: 0;
    line-height: 1;
}
#theme-toggle-btn:hover {
    background: rgba(200, 147, 42, 0.18);
    border-color: rgba(200, 147, 42, 0.45);
    color: var(--accent);
}

/* Header controls — lisibles sur fond du header (via variables) */
header .global-controls {
    background: var(--header-ctrl-bg);
    border-color: var(--header-ctrl-border);
    transition: background 0.3s;
}
header .control-item label {
    color: var(--header-label);
}
header .control-item input[type="number"],
header .control-item select {
    background: var(--header-input-bg);
    color: var(--header-input-text);
    border-color: var(--header-input-border);
}
header .control-item input[type="number"]:focus,
header .control-item select:focus {
    background: var(--header-input-bg);
    border-color: var(--accent);
    box-shadow: 0 0 0 2px var(--accent-dim);
    color: var(--header-input-text);
}

/* ============================================ */
/* --- Thème clair (auto + forcé) ---           */
/* ============================================ */

/* Variables communes au thème clair */
.light-vars {
    --bg-base:     #f5ede0;
    --bg-card:     #ffffff;
    --bg-card-alt: #faf4ec;
    --bg-input:    #f7f1e8;
    --border:      #e0d4be;
    --border-sub:  #cbbfa8;
    --accent:      #b07820;
    --accent-hi:   #c88a28;
    --accent-dim:  rgba(176, 120, 32, 0.12);
    --text:        #2c2010;
    --text-muted:  #7a6848;
    --text-dim:    #a89070;
    --green:       #1a7a42;
    --green-dim:   rgba(26, 122, 66, 0.12);
    --red:         #a02020;
    --red-dim:     rgba(160, 32, 32, 0.10);
    --shadow:      0 4px 16px rgba(0, 0, 0, 0.09);
    --shadow-sm:   0 2px 6px rgba(0, 0, 0, 0.06);
}

/* --- Valeurs communes au thème clair --- */
/* (dupliquées dans @media et [data-theme="light"] car CSS ne supporte pas les mixins) */

/* Auto-détection système */
@media (prefers-color-scheme: light) {
    :root:not([data-theme="dark"]) {
        --bg-base:     #f5ede0;
        --bg-card:     #ffffff;
        --bg-card-alt: #faf4ec;
        --bg-input:    #f7f1e8;
        --border:      #e0d4be;
        --border-sub:  #cbbfa8;
        --accent:      #b07820;
        --accent-hi:   #c88a28;
        --accent-dim:  rgba(176, 120, 32, 0.12);
        --text:        #2c2010;
        --text-muted:  #7a6848;
        --text-dim:    #a89070;
        --green:       #1a7a42;
        --green-dim:   rgba(26, 122, 66, 0.12);
        --red:         #a02020;
        --red-dim:     rgba(160, 32, 32, 0.10);
        --shadow:      0 4px 16px rgba(0, 0, 0, 0.09);
        --shadow-sm:   0 2px 6px rgba(0, 0, 0, 0.06);

        --header-bg:           #ffffff;
        --header-border:       #e0d4be;
        --header-accent-line:  rgba(176, 120, 32, 0.38);
        --header-ctrl-bg:      rgba(0, 0, 0, 0.028);
        --header-ctrl-border:  rgba(0, 0, 0, 0.06);
        --header-label:        #7a6848;
        --header-input-bg:     #f7f1e8;
        --header-input-text:   #2c2010;
        --header-input-border: #cbbfa8;
        --header-title-shadow: 0 1px 4px rgba(176, 120, 32, 0.12);

        --diagram-bg:          #f0e4c8;
        --diagram-inset:       inset 0 2px 8px rgba(0, 0, 0, 0.08);
    }
}

/* Thème clair forcé par le bouton */
[data-theme="light"] {
    --bg-base:     #f5ede0;
    --bg-card:     #ffffff;
    --bg-card-alt: #faf4ec;
    --bg-input:    #f7f1e8;
    --border:      #e0d4be;
    --border-sub:  #cbbfa8;
    --accent:      #b07820;
    --accent-hi:   #c88a28;
    --accent-dim:  rgba(176, 120, 32, 0.12);
    --text:        #2c2010;
    --text-muted:  #7a6848;
    --text-dim:    #a89070;
    --green:       #1a7a42;
    --green-dim:   rgba(26, 122, 66, 0.12);
    --red:         #a02020;
    --red-dim:     rgba(160, 32, 32, 0.10);
    --shadow:      0 4px 16px rgba(0, 0, 0, 0.09);
    --shadow-sm:   0 2px 6px rgba(0, 0, 0, 0.06);

    --header-bg:           #ffffff;
    --header-border:       #e0d4be;
    --header-accent-line:  rgba(176, 120, 32, 0.38);
    --header-ctrl-bg:      rgba(0, 0, 0, 0.028);
    --header-ctrl-border:  rgba(0, 0, 0, 0.06);
    --header-label:        #7a6848;
    --header-input-bg:     #f7f1e8;
    --header-input-text:   #2c2010;
    --header-input-border: #cbbfa8;
    --header-title-shadow: 0 1px 4px rgba(176, 120, 32, 0.12);

    --diagram-bg:          #f0e4c8;
    --diagram-inset:       inset 0 2px 8px rgba(0, 0, 0, 0.08);
}

/* Thème sombre forcé (écrase la préférence système) */
[data-theme="dark"] {
    --bg-base:      #0e0c09;
    --bg-card:      #1a1610;
    --bg-card-alt:  #1d1a13;
    --bg-input:     #13100c;
    --border:       #2c2318;
    --border-sub:   #3d3222;
    --accent:       #c8932a;
    --accent-hi:    #e0a832;
    --accent-dim:   rgba(200, 147, 42, 0.14);
    --text:         #e8dfc8;
    --text-muted:   #a89878;
    --text-dim:     #a09070;
    --green:        #2db567;
    --green-dim:    rgba(45, 181, 103, 0.18);
    --red:          #c0392b;
    --red-dim:      rgba(192, 57, 43, 0.14);
    --shadow:       0 6px 28px rgba(0, 0, 0, 0.55);
    --shadow-sm:    0 2px 8px  rgba(0, 0, 0, 0.35);

    --header-bg:           linear-gradient(145deg, #201d15 0%, #1a1610 100%);
    --header-border:       rgba(200, 147, 42, 0.18);
    --header-accent-line:  rgba(200, 147, 42, 0.32);
    --header-ctrl-bg:      rgba(0, 0, 0, 0.22);
    --header-ctrl-border:  rgba(255, 255, 255, 0.05);
    --header-label:        #b8a080;
    --header-input-bg:     rgba(255, 255, 255, 0.07);
    --header-input-text:   #d8cdb8;
    --header-input-border: rgba(255, 255, 255, 0.1);
    --header-title-shadow: 0 0 22px rgba(200, 147, 42, 0.32);

    --diagram-bg:          #181410;
    --diagram-inset:       inset 0 2px 10px rgba(0, 0, 0, 0.4);
}

/* Suppression de la classe helper inutilisée */
.light-vars { display: none; }