/* ================================================================
   Brahma 3D Viewer — Frontend CSS
   ================================================================ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap');

/* ── Variables ─────────────────────────────────────────────────── */
.b3dm-viewer-wrap {
    --b3dm-bg:        #0a0e1a;
    --b3dm-surface:   #111827;
    --b3dm-border:    #1e2d4a;
    --b3dm-accent:    #f5a623;
    --b3dm-accent2:   #e67c1e;
    --b3dm-text:      #e8edf5;
    --b3dm-text-muted: #8899aa;
    --b3dm-success:   #22c55e;
    --b3dm-radius:    12px;
    --b3dm-shadow:    0 8px 32px rgba(0,0,0,0.4);
    font-family: 'Inter', -apple-system, sans-serif;
}

/* ── Wrapper principal ─────────────────────────────────────────── */
.b3dm-viewer-wrap {
    background: var(--b3dm-surface);
    border-radius: var(--b3dm-radius);
    overflow: hidden;
    box-shadow: var(--b3dm-shadow);
    margin: 1.5rem 0;
    border: 1px solid var(--b3dm-border);
    animation: b3dmFadeIn 0.5s ease;
}

@keyframes b3dmFadeIn {
    from { opacity: 0; transform: translateY(12px); }
    to   { opacity: 1; transform: translateY(0); }
}

/* ── Canvas container ──────────────────────────────────────────── */
.b3dm-canvas-container {
    position: relative;
    width: 100%;
    min-height: 320px;
    background: var(--b3dm-bg);
    overflow: hidden;
}

.b3dm-viewer-canvas {
    width: 100% !important;
    height: 100% !important;
    display: block;
    cursor: grab;
}

.b3dm-viewer-canvas:active { cursor: grabbing; }

.b3dm-viewer-canvas canvas {
    width: 100% !important;
    height: 100% !important;
}

/* ── Loading overlay ───────────────────────────────────────────── */
.b3dm-viewer-loading {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 16px;
    background: var(--b3dm-bg);
    z-index: 10;
    color: var(--b3dm-text-muted);
    font-size: 0.9rem;
    transition: opacity 0.4s ease;
}

.b3dm-loader-ring {
    width: 48px;
    height: 48px;
    border: 3px solid var(--b3dm-border);
    border-top-color: var(--b3dm-accent);
    border-radius: 50%;
    animation: b3dmSpin 0.8s linear infinite;
}

@keyframes b3dmSpin {
    to { transform: rotate(360deg); }
}

/* ── Controles flotantes ───────────────────────────────────────── */
.b3dm-viewer-controls-overlay {
    position: absolute;
    top: 12px;
    right: 12px;
    display: flex;
    flex-direction: column;
    gap: 6px;
    z-index: 5;
}

.b3dm-ctrl-btn {
    width: 36px;
    height: 36px;
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 8px;
    background: rgba(10,14,26,0.7);
    backdrop-filter: blur(8px);
    color: var(--b3dm-text);
    font-size: 16px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
    padding: 0;
}

.b3dm-ctrl-btn:hover {
    background: rgba(245,166,35,0.2);
    border-color: var(--b3dm-accent);
    color: var(--b3dm-accent);
    transform: scale(1.05);
}

.b3dm-ctrl-active {
    background: rgba(245,166,35,0.25) !important;
    border-color: var(--b3dm-accent) !important;
    color: var(--b3dm-accent) !important;
}

/* ── Hint táctil ───────────────────────────────────────────────── */
.b3dm-touch-hint {
    position: absolute;
    bottom: 10px;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(10,14,26,0.6);
    backdrop-filter: blur(6px);
    color: var(--b3dm-text-muted);
    font-size: 0.72rem;
    padding: 4px 12px;
    border-radius: 20px;
    border: 1px solid var(--b3dm-border);
    pointer-events: none;
    white-space: nowrap;
    z-index: 5;
}

/* ── Panel de variedades ───────────────────────────────────────── */
.b3dm-variety-panel {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 16px;
    background: var(--b3dm-surface);
    border-top: 1px solid var(--b3dm-border);
    overflow-x: auto;
    scrollbar-width: none;
}

.b3dm-variety-panel::-webkit-scrollbar { display: none; }

.b3dm-variety-label {
    color: var(--b3dm-text-muted);
    font-size: 0.8rem;
    white-space: nowrap;
    font-weight: 500;
}

.b3dm-variety-btns {
    display: flex;
    gap: 6px;
    flex-wrap: nowrap;
}

.b3dm-variety-btn {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 5px 12px;
    border-radius: 20px;
    border: 1px solid var(--b3dm-border);
    background: transparent;
    color: var(--b3dm-text-muted);
    font-size: 0.78rem;
    font-family: inherit;
    cursor: pointer;
    transition: all 0.2s ease;
    white-space: nowrap;
}

.b3dm-variety-btn:hover {
    border-color: var(--b3dm-accent);
    color: var(--b3dm-text);
}

.b3dm-variety-btn.active {
    background: linear-gradient(135deg, var(--b3dm-accent), var(--b3dm-accent2));
    border-color: transparent;
    color: #fff;
    font-weight: 600;
    box-shadow: 0 2px 8px rgba(245,166,35,0.3);
}

/* Dots de color por variedad */
.b3dm-variety-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    flex-shrink: 0;
}
.b3dm-variety-light    { background: #f5f0e8; border: 1px solid #ccc; }
.b3dm-variety-dark     { background: #4a3728; }
.b3dm-variety-buff     { background: #e8c88a; }
.b3dm-variety-isabella { background: #d4bfa0; }
.b3dm-variety-blue     { background: #7a9bb5; }
.b3dm-variety-gold     { background: #c8952a; }

/* ── Info del modelo ───────────────────────────────────────────── */
.b3dm-viewer-info {
    padding: 14px 16px;
    border-top: 1px solid var(--b3dm-border);
}

.b3dm-viewer-title {
    margin: 0 0 8px;
    font-size: 1rem;
    font-weight: 600;
    color: var(--b3dm-text);
}

.b3dm-viewer-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-bottom: 8px;
}

.b3dm-tag {
    padding: 3px 10px;
    border-radius: 12px;
    background: rgba(245,166,35,0.12);
    border: 1px solid rgba(245,166,35,0.25);
    color: var(--b3dm-accent);
    font-size: 0.75rem;
    font-weight: 500;
}

.b3dm-viewer-caption {
    margin: 0;
    font-size: 0.78rem;
    color: var(--b3dm-text-muted);
}

/* ── Mensaje sin modelo ────────────────────────────────────────── */
.b3dm-no-model {
    text-align: center;
    padding: 2rem;
    color: #888;
    font-style: italic;
}

/* ── Fullscreen ────────────────────────────────────────────────── */
.b3dm-viewer-wrap:fullscreen {
    border-radius: 0;
    max-width: 100%;
}

.b3dm-viewer-wrap:fullscreen .b3dm-canvas-container {
    height: calc(100vh - 120px);
}

/* ── Comparador: Estándar Ideal vs No cumple ─────────────────────── */
.b3dm-comparador-wrap {
    /* [FIX] Estas variables se declaran normalmente en .b3dm-viewer-wrap, pero
       el comparador es un contenedor independiente (no anidado dentro de él),
       así que sin repetirlas aquí quedarían sin valor y se rompería el estilo. */
    --b3dm-bg:        #0a0e1a;
    --b3dm-surface:   #111827;
    --b3dm-border:    #1e2d4a;
    --b3dm-accent:    #f5a623;
    --b3dm-accent2:   #e67c1e;
    --b3dm-text:      #e8edf5;
    --b3dm-text-muted: #8899aa;
    --b3dm-success:   #22c55e;
    --b3dm-radius:    12px;
    --b3dm-shadow:    0 8px 32px rgba(0,0,0,0.4);
    background: var(--b3dm-surface);
    border-radius: var(--b3dm-radius);
    overflow: hidden;
    box-shadow: var(--b3dm-shadow);
    margin: 1.5rem 0;
    border: 1px solid var(--b3dm-border);
    animation: b3dmFadeIn 0.5s ease;
    font-family: 'Inter', -apple-system, sans-serif;
}

.b3dm-comparador-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1px;
    background: var(--b3dm-border);
}

.b3dm-comparador-panel {
    background: var(--b3dm-surface);
    display: flex;
    flex-direction: column;
}

.b3dm-comparador-badge {
    padding: 10px 16px;
    font-size: 0.85rem;
    font-weight: 600;
    text-align: center;
    letter-spacing: 0.02em;
}

.b3dm-comparador-badge-ideal  { background: #14532d; color: #4ade80; }
.b3dm-comparador-badge-defect { background: #450a0a; color: #f87171; }

.b3dm-comparador-caption {
    padding: 10px 16px 4px;
    margin: 0;
    color: var(--b3dm-text);
    font-size: 0.9rem;
    font-weight: 500;
    text-align: center;
}

.b3dm-comparador-empty {
    color: var(--b3dm-text-muted);
    font-style: italic;
    font-weight: 400;
    font-size: 0.85rem;
}

.b3dm-comparador-selector {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    justify-content: center;
    padding: 8px 16px 16px;
}

.b3dm-comparador-example-btn {
    background: var(--b3dm-bg);
    border: 1px solid var(--b3dm-border);
    color: var(--b3dm-text-muted);
    border-radius: 8px;
    padding: 6px 12px;
    font-size: 0.8rem;
    font-family: inherit;
    cursor: pointer;
    transition: all 0.2s ease;
}

.b3dm-comparador-example-btn:hover {
    border-color: var(--b3dm-accent);
    color: var(--b3dm-text);
}

.b3dm-comparador-example-btn.active {
    background: var(--b3dm-accent);
    border-color: var(--b3dm-accent);
    color: #1a1206;
    font-weight: 600;
}

/* ── Responsive ────────────────────────────────────────────────── */
@media (max-width: 480px) {
    .b3dm-canvas-container { min-height: 260px; }
    .b3dm-touch-hint { font-size: 0.65rem; }
    .b3dm-variety-btn { font-size: 0.72rem; padding: 4px 9px; }
    .b3dm-viewer-title { font-size: 0.9rem; }
}

@media (max-width: 768px) {
    .b3dm-comparador-grid {
        grid-template-columns: 1fr;
    }
}