/* ── VEXA Simulator — Front-end Styles ─────────────────────────────────── */

:root {
    --gold:       #B8924A;
    --gold-light: #F0E8D8;
    --gold-mid:   #D4B882;
    --dark:       #1D1D1F;
    --mid:        #424245;
    --muted:      #86868B;
    --bg:         #FFFFFF;
    --surface:    #F5F5F7;
    --hero-bg:    #1A1714;
    --radius:     8px;
    --radius-lg:  16px;
    --shadow:     0 2px 20px rgba(0,0,0,.08);
    --shadow-lg:  0 8px 40px rgba(0,0,0,.12);
    --transition: 0.22s ease;
}

/* ── Wrapper ──────────────────────────────────────────────────────────── */
.vexa-sim-wrap {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    color: var(--dark);
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 16px 60px;
}

/* ── Steps bar ────────────────────────────────────────────────────────── */
.vexa-steps-bar {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 32px 0 40px;
    gap: 0;
}
.vexa-step-indicator {
    display: flex;
    align-items: center;
    gap: 10px;
    opacity: .45;
    transition: opacity var(--transition);
}
.vexa-step-indicator.active   { opacity: 1; }
.vexa-step-indicator.completed{ opacity: .7; }
.step-num {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--surface);
    border: 2px solid var(--muted);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 13px;
    font-weight: 700;
    color: var(--muted);
    transition: all var(--transition);
}
.vexa-step-indicator.active .step-num {
    background: var(--gold);
    border-color: var(--gold);
    color: #fff;
}
.vexa-step-indicator.completed .step-num {
    background: var(--dark);
    border-color: var(--dark);
    color: #fff;
}
.step-label {
    font-size: 13px;
    font-weight: 600;
    white-space: nowrap;
}
.vexa-step-divider {
    width: 40px;
    height: 1px;
    background: #ddd;
    margin: 0 8px;
}
@media (max-width: 600px) {
    .step-label { display: none; }
    .vexa-step-divider { width: 20px; }
}

/* ── Step sections ────────────────────────────────────────────────────── */
.vexa-step-section {
    display: none;
}
.vexa-step-section.active {
    display: block;
    animation: vexaFadeIn 0.3s ease;
}
@keyframes vexaFadeIn {
    from { opacity: 0; transform: translateY(12px); }
    to   { opacity: 1; transform: translateY(0); }
}
.vexa-step-heading {
    font-family: 'Syne', sans-serif;
    font-size: clamp(22px, 3vw, 32px);
    font-weight: 800;
    color: var(--dark);
    margin: 0 0 8px;
}
.vexa-step-sub {
    color: var(--muted);
    font-size: 14px;
    margin-bottom: 24px;
}

/* ── Collection headers ───────────────────────────────────────────────── */
.vexa-collection-label {
    font-family: 'Syne', sans-serif;
    font-size: 11px;
    font-weight: 800;
    letter-spacing: .12em;
    color: var(--gold);
    text-transform: uppercase;
    margin: 32px 0 16px;
    padding-bottom: 8px;
    border-bottom: 1px solid var(--gold-light);
}

/* ── Tile grid ────────────────────────────────────────────────────────── */
.vexa-tile-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 16px;
}
.vexa-tile-card {
    background: var(--surface);
    border-radius: var(--radius-lg);
    overflow: hidden;
    cursor: pointer;
    position: relative;
    transition: all var(--transition);
    border: 2px solid transparent;
    user-select: none;
}
.vexa-tile-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}
.vexa-tile-card.selected {
    border-color: var(--gold);
    box-shadow: 0 0 0 3px rgba(184,146,74,.2);
}
.vexa-tile-card-img {
    aspect-ratio: 1;
    overflow: hidden;
    background: var(--gold-light);
}
.vexa-tile-card-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.4s ease;
}
.vexa-tile-card:hover .vexa-tile-card-img img {
    transform: scale(1.05);
}
.vexa-tile-placeholder {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--gold-light), var(--gold-mid));
}
.vexa-tile-card-info {
    padding: 12px;
    display: flex;
    flex-direction: column;
    gap: 3px;
}
.vexa-tile-card-info strong {
    font-size: 13px;
    font-weight: 600;
    color: var(--dark);
}
.vexa-tile-card-info span {
    font-size: 11px;
    color: var(--muted);
}
.vexa-series-badge {
    display: inline-block;
    background: var(--gold-light);
    color: var(--gold);
    font-size: 10px !important;
    font-weight: 700;
    padding: 2px 6px;
    border-radius: 20px;
    text-transform: uppercase;
    letter-spacing: .06em;
    margin-top: 2px;
}
.vexa-tile-select-check {
    position: absolute;
    top: 10px;
    right: 10px;
    width: 24px;
    height: 24px;
    background: var(--gold);
    border-radius: 50%;
    color: #fff;
    font-size: 12px;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transform: scale(0.6);
    transition: all var(--transition);
}
.vexa-tile-card.selected .vexa-tile-select-check {
    opacity: 1;
    transform: scale(1);
}

/* ── Color chips ──────────────────────────────────────────────────────── */
.vexa-color-selector {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-bottom: 32px;
}
.vexa-color-chip {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    cursor: pointer;
    border-radius: var(--radius);
    padding: 10px;
    background: var(--surface);
    border: 2px solid transparent;
    transition: all var(--transition);
    min-width: 90px;
    text-align: center;
}
.vexa-color-chip:hover {
    border-color: var(--muted);
    transform: translateY(-2px);
}
.vexa-color-chip.selected {
    border-color: var(--gold);
    box-shadow: 0 0 0 3px rgba(184,146,74,.2);
}
.chip-swatch {
    width: 52px;
    height: 52px;
    border-radius: 50%;
    position: relative;
    box-shadow: 0 2px 8px rgba(0,0,0,.15);
    overflow: hidden;
}
.chip-texture {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 50%;
    opacity: .6;
}
.metallic-icon {
    position: absolute;
    bottom: 2px;
    right: 2px;
    width: 16px;
    height: 16px;
    background: rgba(255,255,255,.9);
    border-radius: 50%;
    font-size: 9px;
    font-weight: 900;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--dark);
}
.chip-name {
    font-size: 12px;
    font-weight: 600;
    color: var(--dark);
}
.chip-finish {
    font-size: 10px;
    color: var(--muted);
    text-transform: capitalize;
}
.vexa-color-loading {
    color: var(--muted);
    padding: 20px;
    font-style: italic;
}

/* ── Dimension inputs ─────────────────────────────────────────────────── */
.vexa-dimension-form {
    display: flex;
    flex-wrap: wrap;
    gap: 24px;
    margin-bottom: 32px;
}
.vexa-dimension-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}
.vexa-dimension-group label {
    font-size: 13px;
    font-weight: 600;
    color: var(--mid);
    text-transform: uppercase;
    letter-spacing: .06em;
}
.vexa-input-unit {
    display: flex;
    align-items: center;
    border: 1.5px solid #ddd;
    border-radius: var(--radius);
    overflow: hidden;
    transition: border-color var(--transition);
}
.vexa-input-unit:focus-within {
    border-color: var(--gold);
}
.vexa-input-unit input {
    border: none !important;
    outline: none !important;
    box-shadow: none !important;
    padding: 12px 16px;
    font-size: 18px;
    font-weight: 600;
    width: 120px;
    color: var(--dark);
}
.vexa-input-unit .unit {
    padding: 0 14px;
    background: var(--surface);
    color: var(--muted);
    font-size: 13px;
    font-weight: 600;
    border-left: 1.5px solid #ddd;
    height: 100%;
    display: flex;
    align-items: center;
}
.vexa-dimension-summary {
    display: flex;
    align-items: flex-end;
    padding-bottom: 12px;
    color: var(--gold);
    font-weight: 700;
    font-size: 16px;
}

/* ── Results layout ───────────────────────────────────────────────────── */
.vexa-results-layout {
    display: grid;
    grid-template-columns: 1fr 400px;
    gap: 32px;
    align-items: start;
}
@media (max-width: 900px) {
    .vexa-results-layout {
        grid-template-columns: 1fr;
    }
}

/* ── Preview panel ────────────────────────────────────────────────────── */
.vexa-preview-panel {
    background: var(--surface);
    border-radius: var(--radius-lg);
    overflow: hidden;
}
.vexa-preview-tabs {
    display: flex;
    border-bottom: 1px solid #ddd;
}
.vexa-preview-tab {
    flex: 1;
    padding: 12px;
    background: none;
    border: none;
    cursor: pointer;
    font-size: 13px;
    font-weight: 600;
    color: var(--muted);
    transition: all var(--transition);
}
.vexa-preview-tab.active {
    color: var(--gold);
    border-bottom: 2px solid var(--gold);
    background: rgba(184,146,74,.05);
}
.vexa-preview-view {
    display: none;
    padding: 16px;
}
.vexa-preview-view.active {
    display: block;
}
#wall-layout-canvas {
    max-width: 100%;
    border-radius: var(--radius);
    display: block;
}
.vexa-canvas-legend {
    display: flex;
    gap: 16px;
    padding: 12px 0 0;
    font-size: 12px;
    color: var(--muted);
}
.legend-item {
    display: flex;
    align-items: center;
    gap: 6px;
}
.legend-item::before {
    content: '';
    width: 16px;
    height: 16px;
    border-radius: 3px;
    display: block;
}
.legend-item.full::before   { background: var(--gold); }
.legend-item.filler::before { background: var(--gold-light); border: 1px solid var(--gold); }

/* ── Quote panel ──────────────────────────────────────────────────────── */
.vexa-quote-panel {
    background: #fff;
    border: 1px solid var(--gold-light);
    border-radius: var(--radius-lg);
    padding: 24px;
    position: sticky;
    top: 24px;
}
.quote-tile-summary {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 600;
    font-size: 15px;
    margin-bottom: 20px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--gold-light);
}
.color-dot {
    width: 18px;
    height: 18px;
    border-radius: 50%;
    display: inline-block;
    box-shadow: 0 1px 4px rgba(0,0,0,.15);
}
.vexa-quote-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 14px;
    margin-bottom: 16px;
}
.vexa-quote-table td {
    padding: 8px 0;
    border-bottom: 1px solid var(--gold-light);
}
.vexa-quote-table td:last-child {
    text-align: right;
    font-weight: 600;
}
.vexa-quote-table tr.spacer td {
    padding: 4px;
    border: none;
}
.vexa-quote-table tr.total-row td {
    border-top: 2px solid var(--gold);
    padding-top: 12px;
    font-size: 16px;
}
.vexa-total-price {
    color: var(--gold) !important;
    font-size: 22px !important;
}
.vexa-filler-breakdown {
    background: var(--surface);
    border-radius: var(--radius);
    padding: 12px 16px;
    margin-bottom: 16px;
    font-size: 13px;
}
.vexa-filler-breakdown h4 {
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: .08em;
    color: var(--muted);
    margin: 0 0 8px;
}
.vexa-filler-list {
    margin: 0;
    padding: 0 0 0 16px;
    color: var(--mid);
    line-height: 1.7;
}
.vexa-quote-actions {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-top: 20px;
}
.vexa-quote-disclaimer {
    font-size: 11px;
    color: var(--muted);
    margin-top: 12px;
    line-height: 1.5;
}

/* ── Buttons ──────────────────────────────────────────────────────────── */
.vexa-btn-primary {
    background: var(--gold);
    color: #fff;
    border: none;
    border-radius: var(--radius);
    padding: 14px 28px;
    font-size: 15px;
    font-weight: 700;
    cursor: pointer;
    transition: all var(--transition);
    width: 100%;
    letter-spacing: .03em;
}
.vexa-btn-primary:hover:not(:disabled) {
    background: #a07838;
    transform: translateY(-1px);
    box-shadow: 0 4px 16px rgba(184,146,74,.35);
}
.vexa-btn-primary:disabled {
    opacity: .5;
    cursor: not-allowed;
}
.vexa-btn-secondary {
    background: transparent;
    color: var(--mid);
    border: 1.5px solid #ddd;
    border-radius: var(--radius);
    padding: 12px 24px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition);
    width: 100%;
}
.vexa-btn-secondary:hover {
    border-color: var(--gold);
    color: var(--gold);
}
.vexa-btn-next {
    background: var(--dark);
    color: #fff;
    border: none;
    border-radius: var(--radius);
    padding: 13px 28px;
    font-size: 14px;
    font-weight: 700;
    cursor: pointer;
    transition: all var(--transition);
}
.vexa-btn-next:hover:not(:disabled) {
    background: var(--gold);
}
.vexa-btn-next:disabled {
    opacity: .4;
    cursor: not-allowed;
}
.vexa-btn-back {
    background: transparent;
    color: var(--muted);
    border: none;
    padding: 13px 16px;
    font-size: 14px;
    cursor: pointer;
    transition: color var(--transition);
}
.vexa-btn-back:hover { color: var(--dark); }
.vexa-step-nav {
    display: flex;
    justify-content: flex-end;
    gap: 12px;
    align-items: center;
    margin-top: 32px;
    padding-top: 20px;
    border-top: 1px solid var(--gold-light);
}

/* ── Toast ────────────────────────────────────────────────────────────── */
.vexa-toast {
    position: fixed;
    bottom: 24px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 9999;
    background: var(--dark);
    color: #fff;
    padding: 12px 24px;
    border-radius: 30px;
    font-size: 14px;
    font-weight: 500;
    box-shadow: var(--shadow-lg);
    white-space: nowrap;
}
.vexa-toast.toast-error {
    background: #dc3232;
}
.vexa-toast.toast-info {
    background: var(--gold);
}

/* ── Responsive ───────────────────────────────────────────────────────── */
@media (max-width: 768px) {
    .vexa-tile-grid {
        grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    }
    .vexa-quote-panel {
        position: static;
    }
}