/* ═══════════════════════════════════════════════════════════════════════════
   CONFIGURATEUR 3D — LE BON VIVANT
   Design System: Dark Premium + Glassmorphism
   ═══════════════════════════════════════════════════════════════════════════ */

/* ─── Design Tokens (héritées du site principal) ─── */
:root {
    --cfg-rust: #593c29;
    --cfg-rust-light: #7a5a42;
    --cfg-gold: #fedc57;
    --cfg-gold-dark: #e5c64e;
    --cfg-cream: #F9F7F2;
    --cfg-cream-dark: #EDE9E0;
    --cfg-dark: #1a1714;
    --cfg-dark-card: #252019;
    --cfg-dark-light: #3d352c;
    --cfg-dark-border: rgba(254, 220, 87, 0.12);

    --cfg-font-stencil: 'Stardos Stencil', cursive;
    --cfg-font-serif: 'Playfair Display', Georgia, serif;
    --cfg-font-sans: 'DM Sans', -apple-system, BlinkMacSystemFont, sans-serif;

    --cfg-ease: cubic-bezier(0.33, 1, 0.68, 1);
    --cfg-transition: 0.3s var(--cfg-ease);

    --cfg-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
    --cfg-glass: rgba(37, 32, 25, 0.85);
    --cfg-glass-border: rgba(254, 220, 87, 0.08);
}

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

html { font-size: 16px; }

body {
    font-family: var(--cfg-font-sans);
    background-color: var(--cfg-dark);
    color: var(--cfg-cream);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    min-height: 100vh;
}

/* ═══════════════════════════════════════════════════════════════════════════
   HEADER
   ═══════════════════════════════════════════════════════════════════════════ */
.cfg-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 24px;
    background: rgba(26, 23, 20, 0.92);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--cfg-dark-border);
    z-index: 100;
}

.cfg-header__back {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--cfg-cream-dark);
    text-decoration: none;
    font-size: 0.85rem;
    font-weight: 500;
    letter-spacing: 0.02em;
    transition: color var(--cfg-transition);
}

.cfg-header__back:hover { color: var(--cfg-gold); }

.cfg-header__title {
    font-family: var(--cfg-font-stencil);
    font-size: 0.9rem;
    letter-spacing: 0.15em;
    color: var(--cfg-gold);
    opacity: 0.7;
}

/* ═══════════════════════════════════════════════════════════════════════════
   MAIN LAYOUT — Split Screen
   ═══════════════════════════════════════════════════════════════════════════ */
.cfg-layout {
    display: grid;
    grid-template-columns: 1fr 420px;
    min-height: 100vh;
    padding-top: 56px;
}

/* ─── 3D Viewer ─── */
.cfg-viewer {
    position: sticky;
    top: 56px;
    height: calc(100vh - 56px);
    background: radial-gradient(ellipse at center, #2a2520 0%, var(--cfg-dark) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.cfg-viewer model-viewer {
    --poster-color: transparent;
}

.cfg-viewer__badge {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(8px);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 100px;
    font-size: 0.75rem;
    color: rgba(249, 247, 242, 0.5);
    pointer-events: none;
    opacity: 1;
    transition: opacity 1s ease 3s;
}

.cfg-viewer__progress {
    width: 100%;
    height: 3px;
    background: rgba(255,255,255,0.1);
    position: absolute;
    bottom: 0;
}

.cfg-viewer__progress-bar {
    height: 100%;
    background: linear-gradient(90deg, var(--cfg-gold), var(--cfg-rust-light));
    width: 0%;
    transition: width 0.3s ease;
}

.cfg-viewer__loading {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
    color: var(--cfg-cream-dark);
    font-size: 0.9rem;
}

.cfg-viewer__spinner {
    width: 40px;
    height: 40px;
    border: 3px solid rgba(254, 220, 87, 0.15);
    border-top-color: var(--cfg-gold);
    border-radius: 50%;
    animation: cfg-spin 0.8s linear infinite;
}

@keyframes cfg-spin {
    to { transform: rotate(360deg); }
}

/* ─── 3D Viewer Controls ─── */
.cfg-viewer__controls {
    position: absolute;
    bottom: 24px;
    right: 24px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    z-index: 10;
}

.cfg-viewer__control-btn {
    width: 42px;
    height: 42px;
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 10px;
    background: rgba(26, 23, 20, 0.85);
    backdrop-filter: blur(8px);
    color: var(--cfg-cream);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--cfg-transition);
}

.cfg-viewer__control-btn:hover {
    background: rgba(254, 220, 87, 0.15);
    border-color: var(--cfg-gold);
    color: var(--cfg-gold);
}

.cfg-viewer__control-btn--active {
    background: rgba(254, 220, 87, 0.25);
    border-color: var(--cfg-gold);
    color: var(--cfg-gold);
}

.cfg-viewer__control-btn--active:hover {
    background: rgba(254, 220, 87, 0.35);
}

/* ─── Options Panel ─── */
.cfg-panel {
    height: calc(100vh - 56px);
    overflow-y: auto;
    background: var(--cfg-dark-card);
    border-left: 1px solid var(--cfg-dark-border);
    scrollbar-width: thin;
    scrollbar-color: var(--cfg-dark-light) transparent;
}

.cfg-panel::-webkit-scrollbar { width: 6px; }
.cfg-panel::-webkit-scrollbar-track { background: transparent; }
.cfg-panel::-webkit-scrollbar-thumb {
    background: var(--cfg-dark-light);
    border-radius: 3px;
}

.cfg-panel__inner {
    padding: 20px 22px 24px;
    display: flex;
    flex-direction: column;
    gap: 16px;
    min-height: 100%;
}

.cfg-panel__header { text-align: left; }

.cfg-panel__eyebrow {
    font-family: var(--cfg-font-serif);
    font-style: italic;
    font-size: 0.85rem;
    color: var(--cfg-gold);
    letter-spacing: 0.05em;
    display: block;
    margin-bottom: 4px;
}

.cfg-panel__title {
    font-family: var(--cfg-font-stencil);
    font-size: 1.6rem;
    letter-spacing: 0.12em;
    color: var(--cfg-cream);
    line-height: 1.1;
}

.cfg-panel__subtitle {
    font-size: 0.9rem;
    color: rgba(249, 247, 242, 0.5);
    margin-top: 6px;
}

/* ═══════════════════════════════════════════════════════════════════════════
   SECTIONS
   ═══════════════════════════════════════════════════════════════════════════ */
.cfg-section {
    padding: 12px 0;
    border-top: 1px solid var(--cfg-dark-border);
}

.cfg-section__title {
    font-family: var(--cfg-font-sans);
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--cfg-cream);
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 6px;
}

.cfg-section__number {
    font-family: var(--cfg-font-stencil);
    font-size: 0.7rem;
    color: var(--cfg-gold);
    opacity: 0.6;
}

.cfg-section__hint {
    font-size: 0.78rem;
    color: rgba(249, 247, 242, 0.4);
    margin-bottom: 16px;
}

/* ═══════════════════════════════════════════════════════════════════════════
   COLOR PICKER
   ═══════════════════════════════════════════════════════════════════════════ */
.cfg-colors {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.cfg-color-swatch {
    position: relative;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    border: 2px solid transparent;
    padding: 3px;
    background: transparent;
    cursor: pointer;
    transition: all var(--cfg-transition);
}

.cfg-color-swatch__fill {
    display: block;
    width: 100%;
    height: 100%;
    border-radius: 50%;
    transition: transform var(--cfg-transition);
}

.cfg-color-swatch__check {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    font-weight: 700;
    color: white;
    opacity: 0;
    transition: opacity var(--cfg-transition);
    text-shadow: 0 1px 3px rgba(0,0,0,0.5);
}

.cfg-color-swatch:hover .cfg-color-swatch__fill {
    transform: scale(1.1);
}

.cfg-color-swatch--active {
    border-color: var(--cfg-gold);
    box-shadow: 0 0 0 2px rgba(254, 220, 87, 0.25);
}

.cfg-color-swatch--active .cfg-color-swatch__check {
    opacity: 1;
}

.cfg-color-name {
    font-size: 0.82rem;
    color: var(--cfg-gold);
    margin-top: 10px;
    font-weight: 500;
    letter-spacing: 0.02em;
}

.cfg-color-ral {
    display: inline-block;
    font-size: 0.7rem;
    color: var(--cfg-cream);
    opacity: 0.6;
    margin-left: 6px;
    padding: 2px 6px;
    background: rgba(255, 255, 255, 0.08);
    border-radius: 4px;
    font-family: monospace;
}

/* ═══════════════════════════════════════════════════════════════════════════
   OPTION CARDS — Interactive clickable cards
   ═══════════════════════════════════════════════════════════════════════════ */
.cfg-option-cards {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.cfg-option-card {
    position: relative;
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 14px;
    background: rgba(255, 255, 255, 0.03);
    border: 2px solid rgba(255, 255, 255, 0.08);
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.35s var(--cfg-ease);
    user-select: none;
}

.cfg-option-card:hover {
    background: rgba(254, 220, 87, 0.05);
    border-color: rgba(254, 220, 87, 0.2);
    transform: translateY(-1px);
}

/* ─ Check indicator ─ */
.cfg-option-card__check {
    width: 32px;
    height: 32px;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 10px;
    border: 2px solid rgba(255, 255, 255, 0.15);
    background: rgba(255, 255, 255, 0.04);
    transition: all 0.35s var(--cfg-ease);
}

.cfg-option-card__check svg {
    opacity: 0;
    transform: scale(0.5);
    transition: all 0.25s var(--cfg-ease);
    color: var(--cfg-dark);
}

/* ─ Icon ─ */
.cfg-option-card__icon {
    width: 36px;
    height: 36px;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 10px;
    background: rgba(255, 255, 255, 0.05);
    color: rgba(249, 247, 242, 0.5);
    transition: all var(--cfg-transition);
}

/* ─ Info ─ */
.cfg-option-card__info {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 2px;
    min-width: 0;
}

.cfg-option-card__name {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--cfg-cream);
    transition: color var(--cfg-transition);
}

.cfg-option-card__desc {
    font-size: 0.75rem;
    color: rgba(249, 247, 242, 0.4);
}

.cfg-option-card__desc--soon {
    color: rgba(254, 220, 87, 0.6);
    font-style: italic;
}

/* ─ Price ─ */
.cfg-option-card__price {
    font-size: 0.82rem;
    font-weight: 700;
    color: var(--cfg-gold);
    opacity: 0.7;
    flex-shrink: 0;
    transition: opacity var(--cfg-transition);
}

/* ═══ ACTIVE STATE ═══ */
.cfg-option-card--active {
    background: rgba(254, 220, 87, 0.08);
    border-color: var(--cfg-gold);
    box-shadow: 0 0 20px rgba(254, 220, 87, 0.1), inset 0 1px 0 rgba(254, 220, 87, 0.1);
}

.cfg-option-card--active .cfg-option-card__check {
    background: var(--cfg-gold);
    border-color: var(--cfg-gold);
    box-shadow: 0 2px 8px rgba(254, 220, 87, 0.3);
}

.cfg-option-card--active .cfg-option-card__check svg {
    opacity: 1;
    transform: scale(1);
}

.cfg-option-card--active .cfg-option-card__icon {
    background: rgba(254, 220, 87, 0.12);
    color: var(--cfg-gold);
}

.cfg-option-card--active .cfg-option-card__name {
    color: var(--cfg-gold);
}

.cfg-option-card--active .cfg-option-card__price {
    opacity: 1;
}

/* ═══ DISABLED STATE ═══ */
.cfg-option-card--disabled {
    opacity: 0.45;
    cursor: not-allowed;
    pointer-events: none;
}

.cfg-option-card--disabled:hover {
    transform: none;
    background: rgba(255, 255, 255, 0.03);
    border-color: rgba(255, 255, 255, 0.08);
}

/* Hidden section */
.cfg-section--hidden {
    display: none !important;
}

/* ═══════════════════════════════════════════════════════════════════════════
   ENGRAVING
   ═══════════════════════════════════════════════════════════════════════════ */
.cfg-engraving {
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.cfg-engraving__field {
    position: relative;
}

.cfg-engraving__label {
    display: block;
    font-size: 0.78rem;
    font-weight: 600;
    color: rgba(249, 247, 242, 0.6);
    margin-bottom: 6px;
    text-transform: uppercase;
    letter-spacing: 0.06em;
}

.cfg-engraving__input,
.cfg-engraving__select {
    width: 100%;
    padding: 12px 16px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    color: var(--cfg-cream);
    font-family: var(--cfg-font-sans);
    font-size: 0.95rem;
    outline: none;
    transition: all var(--cfg-transition);
}

.cfg-engraving__input:focus,
.cfg-engraving__select:focus {
    border-color: var(--cfg-gold);
    box-shadow: 0 0 0 3px rgba(254, 220, 87, 0.1);
}

.cfg-engraving__input::placeholder {
    color: rgba(249, 247, 242, 0.25);
}

.cfg-engraving__select {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='7'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%23fedc57' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 14px center;
    padding-right: 36px;
}

.cfg-engraving__select option {
    background: var(--cfg-dark-card);
    color: var(--cfg-cream);
}

.cfg-engraving__count {
    position: absolute;
    right: 14px;
    bottom: 12px;
    font-size: 0.7rem;
    color: rgba(249, 247, 242, 0.3);
}

/* ═══════════════════════════════════════════════════════════════════════════
   UPLOAD
   ═══════════════════════════════════════════════════════════════════════════ */
.cfg-upload__dropzone {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 28px 20px;
    border: 2px dashed rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    cursor: pointer;
    transition: all var(--cfg-transition);
    color: rgba(249, 247, 242, 0.4);
}

.cfg-upload__dropzone:hover {
    border-color: var(--cfg-gold);
    background: rgba(254, 220, 87, 0.03);
    color: var(--cfg-gold);
}

.cfg-upload__text {
    font-size: 0.85rem;
    font-weight: 500;
}

.cfg-upload__formats {
    font-size: 0.72rem;
    opacity: 0.6;
}

.cfg-upload__feedback {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 16px;
    background: rgba(76, 175, 80, 0.08);
    border: 1px solid rgba(76, 175, 80, 0.2);
    border-radius: 8px;
    color: #81c784;
    font-size: 0.82rem;
    margin-top: 10px;
}

.cfg-upload__feedback svg { flex-shrink: 0; stroke: #81c784; }

.cfg-upload__remove {
    margin-left: auto;
    background: none;
    border: none;
    color: rgba(249, 247, 242, 0.4);
    font-size: 1.2rem;
    cursor: pointer;
    padding: 0 4px;
    line-height: 1;
    transition: color var(--cfg-transition);
}

.cfg-upload__remove:hover { color: #ef5350; }

/* ═══════════════════════════════════════════════════════════════════════════
   SUMMARY / CTA
   ═══════════════════════════════════════════════════════════════════════════ */
.cfg-section--summary {
    border-top: none;
    padding-top: 0;
    margin-top: auto;
}

.cfg-summary {
    background: linear-gradient(135deg, rgba(254, 220, 87, 0.08) 0%, rgba(89, 60, 41, 0.12) 100%);
    border: 1px solid rgba(254, 220, 87, 0.15);
    border-radius: 14px;
    padding: 24px;
}

.cfg-summary__price {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    margin-bottom: 16px;
}

.cfg-summary__label {
    font-size: 0.82rem;
    color: rgba(249, 247, 242, 0.5);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.cfg-summary__amount {
    font-family: var(--cfg-font-stencil);
    font-size: 1.8rem;
    color: var(--cfg-gold);
    letter-spacing: 0.05em;
}

.cfg-summary__btn {
    width: 100%;
    padding: 16px;
    background: var(--cfg-gold);
    color: var(--cfg-dark);
    border: none;
    border-radius: 10px;
    font-family: var(--cfg-font-stencil);
    font-size: 1rem;
    letter-spacing: 0.1em;
    cursor: pointer;
    transition: all var(--cfg-transition);
    font-weight: 700;
    box-shadow: 0 4px 20px rgba(254, 220, 87, 0.25);
}

.cfg-summary__btn:hover {
    background: var(--cfg-gold-dark);
    transform: translateY(-1px);
    box-shadow: 0 6px 28px rgba(254, 220, 87, 0.35);
}

.cfg-summary__btn:active {
    transform: translateY(0);
}

.cfg-summary__note {
    font-size: 0.72rem;
    color: rgba(249, 247, 242, 0.35);
    text-align: center;
    margin-top: 12px;
    line-height: 1.4;
}

/* ═══════════════════════════════════════════════════════════════════════════
   RESPONSIVE
   ═══════════════════════════════════════════════════════════════════════════ */
@media (max-width: 1024px) {
    .cfg-layout {
        grid-template-columns: 1fr 360px;
    }
}

@media (max-width: 860px) {
    .cfg-layout {
        grid-template-columns: 1fr;
        grid-template-rows: 55vh auto;
    }

    .cfg-viewer {
        position: relative;
        top: 0;
        height: 55vh;
    }

    .cfg-panel {
        height: auto;
        border-left: none;
        border-top: 1px solid var(--cfg-dark-border);
    }

    .cfg-panel__inner {
        padding: 24px 20px 32px;
    }

    .cfg-panel__title {
        font-size: 1.6rem;
    }
}

@media (max-width: 480px) {
    .cfg-header { padding: 0 16px; }
    .cfg-header__title { display: none; }

    .cfg-layout {
        grid-template-rows: 45vh auto;
    }

    .cfg-colors { gap: 8px; }

    .cfg-color-swatch {
        width: 38px;
        height: 38px;
    }

    .cfg-toggle { padding: 12px; }

    .cfg-summary__amount { font-size: 1.5rem; }
}