/* =============================================
   BEKO 3D SHOWROOM - Styles
   Modern Dark Theme with Glassmorphism
   ============================================= */

:root {
    --bg-primary: #07080c;
    --bg-secondary: #0d0f16;
    --glass-bg: rgba(12, 14, 22, 0.78);
    --glass-bg-hover: rgba(20, 23, 35, 0.85);
    --glass-border: rgba(255, 255, 255, 0.07);
    --glass-border-hover: rgba(255, 255, 255, 0.14);
    --glass-blur: 24px;
    --text-primary: #f0f0f5;
    --text-secondary: rgba(240, 240, 245, 0.6);
    --text-muted: rgba(240, 240, 245, 0.3);
    --accent: #0073cf;
    --accent-glow: rgba(0, 115, 207, 0.35);
    --accent-soft: rgba(0, 115, 207, 0.15);
    --blue: #00b4d8;
    --green: #4ade80;
    --purple: #818cf8;
    --yellow: #fbbf24;
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 20px;
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.6s cubic-bezier(0.4, 0, 0.2, 1);
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-display: 'Space Grotesk', 'Inter', sans-serif;
}

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

html, body {
    width: 100%;
    height: 100%;
    overflow: hidden;
    font-family: var(--font-primary);
    background: var(--bg-primary);
    color: var(--text-primary);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.hidden { display: none !important; }

/* =============================================
   LOADING SCREEN
   ============================================= */
#loading-screen {
    position: fixed;
    inset: 0;
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-primary);
    transition: opacity 0.8s ease, visibility 0.8s ease;
}

#loading-screen.fade-out {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}

.loader-content {
    position: relative;
    z-index: 2;
    text-align: center;
    padding: 2rem;
}

.loader-logo {
    margin-bottom: 1.5rem;
}

.logo-text {
    font-family: var(--font-display);
    font-size: 4rem;
    font-weight: 800;
    letter-spacing: 0.15em;
    color: var(--text-primary);
    text-shadow: 0 0 40px var(--accent-glow), 0 0 80px rgba(0, 115, 207, 0.15);
    animation: logoPulse 3s ease-in-out infinite;
}

.logo-line {
    width: 60px;
    height: 3px;
    background: var(--accent);
    margin: 1rem auto 0;
    border-radius: 2px;
    animation: lineExpand 2s ease-in-out infinite;
}

@keyframes logoPulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.7; }
}

@keyframes lineExpand {
    0%, 100% { width: 60px; }
    50% { width: 120px; }
}

.loader-title {
    font-family: var(--font-display);
    font-size: 1.1rem;
    font-weight: 400;
    color: var(--text-secondary);
    letter-spacing: 0.3em;
    text-transform: uppercase;
    margin-bottom: 2.5rem;
}

.loader-progress {
    display: flex;
    align-items: center;
    gap: 1rem;
    max-width: 300px;
    margin: 0 auto 1.5rem;
}

.progress-track {
    flex: 1;
    height: 3px;
    background: rgba(255, 255, 255, 0.08);
    border-radius: 2px;
    overflow: hidden;
}

.progress-fill {
    width: 0%;
    height: 100%;
    background: linear-gradient(90deg, var(--accent), #00a3e0);
    border-radius: 2px;
    transition: width 0.4s ease;
    box-shadow: 0 0 12px var(--accent-glow);
}

.progress-text {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-secondary);
    min-width: 36px;
    font-variant-numeric: tabular-nums;
}

.loader-status {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-bottom: 2rem;
    min-height: 1.2em;
}

.loader-dots {
    display: flex;
    gap: 6px;
    justify-content: center;
}

.loader-dots span {
    width: 6px;
    height: 6px;
    background: var(--accent);
    border-radius: 50%;
    animation: dotBounce 1.4s ease-in-out infinite;
}

.loader-dots span:nth-child(2) { animation-delay: 0.16s; }
.loader-dots span:nth-child(3) { animation-delay: 0.32s; }

@keyframes dotBounce {
    0%, 80%, 100% { transform: scale(0.6); opacity: 0.3; }
    40% { transform: scale(1); opacity: 1; }
}

/* Background animation orbs */
.loader-bg-anim {
    position: absolute;
    inset: 0;
    overflow: hidden;
    z-index: 1;
}

.bg-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.15;
    animation: orbFloat 8s ease-in-out infinite;
}

.orb-1 {
    width: 400px; height: 400px;
    background: var(--accent);
    top: -100px; left: -100px;
    animation-delay: 0s;
}

.orb-2 {
    width: 350px; height: 350px;
    background: var(--blue);
    bottom: -80px; right: -80px;
    animation-delay: -3s;
}

.orb-3 {
    width: 300px; height: 300px;
    background: var(--purple);
    top: 50%; left: 50%;
    transform: translate(-50%, -50%);
    animation-delay: -5s;
}

@keyframes orbFloat {
    0%, 100% { transform: translate(0, 0) scale(1); }
    33% { transform: translate(30px, -30px) scale(1.1); }
    66% { transform: translate(-20px, 20px) scale(0.9); }
}

/* =============================================
   CANVAS
   ============================================= */
#webgl-canvas {
    position: fixed;
    inset: 0;
    width: 100%;
    height: 100%;
    display: block;
    z-index: 1;
}

/* =============================================
   UI OVERLAY
   ============================================= */
#ui-overlay {
    position: fixed;
    inset: 0;
    z-index: 10;
    pointer-events: none;
    opacity: 0;
    animation: fadeInUI 0.8s ease forwards;
}

#ui-overlay.hidden {
    display: block !important;
    opacity: 0;
    animation: none;
}

@keyframes fadeInUI {
    from { opacity: 0; }
    to { opacity: 1; }
}

#ui-overlay > * {
    pointer-events: auto;
}

/* =============================================
   TOP BAR
   ============================================= */
#top-bar {
    position: absolute;
    top: 0; left: 0; right: 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 24px;
    background: linear-gradient(180deg, rgba(7, 8, 12, 0.8) 0%, transparent 100%);
    z-index: 20;
}

.brand-mark {
    display: flex;
    align-items: center;
    gap: 12px;
}

.brand-name {
    font-family: var(--font-display);
    font-size: 1.4rem;
    font-weight: 800;
    letter-spacing: 0.1em;
    color: var(--text-primary);
}

.brand-sep {
    width: 1px;
    height: 20px;
    background: rgba(255, 255, 255, 0.2);
}

.brand-sub {
    font-size: 0.85rem;
    font-weight: 400;
    color: var(--text-secondary);
    letter-spacing: 0.05em;
}

.top-right {
    display: flex;
    align-items: center;
    gap: 8px;
}

/* Glass Buttons */
.btn-glass {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: var(--glass-bg);
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    cursor: pointer;
    transition: var(--transition);
    outline: none;
}

.btn-glass:hover {
    background: var(--glass-bg-hover);
    border-color: var(--glass-border-hover);
    color: var(--text-primary);
    transform: translateY(-1px);
}

.btn-glass.active {
    background: var(--accent-soft);
    border-color: rgba(0, 115, 207, 0.3);
    color: var(--accent);
}

.btn-glass.active:hover {
    background: rgba(0, 115, 207, 0.2);
}

/* AR Button */
.btn-ar {
    display: flex;
    align-items: center;
    gap: 8px;
    height: 40px;
    padding: 0 16px;
    background: linear-gradient(135deg, #E30613, #a00410);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: var(--radius-sm);
    color: white;
    font-family: var(--font-primary);
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    cursor: pointer;
    transition: var(--transition);
    outline: none;
}
.btn-ar:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 20px rgba(227, 6, 19, 0.3);
}

/* AR Modal */
#ar-modal {
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(12px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
}
#ar-modal.hidden { display: none; }
.ar-modal-content {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    padding: 40px;
    max-width: 380px;
    width: 90%;
    text-align: center;
    position: relative;
    backdrop-filter: blur(24px);
}
.ar-modal-content .btn-close {
    position: absolute;
    top: 12px; right: 12px;
}
.ar-modal-icon { margin-bottom: 16px; }
.ar-modal-title {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 8px;
    color: white;
}
.ar-modal-desc {
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.6);
    margin-bottom: 24px;
    line-height: 1.5;
}
#ar-qr-code {
    background: white;
    border-radius: 12px;
    padding: 16px;
    display: inline-block;
    margin-bottom: 16px;
}
#ar-qr-code img, #ar-qr-code canvas { display: block; }
.ar-modal-actions { margin-top: 12px; }
.ar-modal-link {
    color: #E30613;
    text-decoration: none;
    font-size: 0.85rem;
    font-weight: 500;
}
.ar-modal-link:hover { text-decoration: underline; }

/* VR Button */
.btn-vr {
    display: flex;
    align-items: center;
    gap: 8px;
    height: 40px;
    padding: 0 16px;
    background: linear-gradient(135deg, var(--accent), #005aa0);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: var(--radius-sm);
    color: white;
    font-family: var(--font-primary);
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    cursor: pointer;
    transition: var(--transition);
    outline: none;
    opacity: 0.5;
    pointer-events: none;
}

.btn-vr.vr-available {
    opacity: 1;
    pointer-events: auto;
}

.btn-vr.vr-available:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 20px var(--accent-glow);
}

/* =============================================
   MODEL SELECTOR
   ============================================= */
#model-selector {
    position: absolute;
    left: 24px;
    top: 50%;
    transform: translateY(-50%);
    display: flex;
    flex-direction: column;
    gap: 8px;
    z-index: 15;
    max-height: 80vh;
    overflow-y: auto;
    overflow-x: hidden;
    padding-right: 6px;
    scrollbar-width: thin;
    scrollbar-color: rgba(255,255,255,0.2) transparent;
}
#model-selector::-webkit-scrollbar { width: 4px; }
#model-selector::-webkit-scrollbar-track { background: transparent; }
#model-selector::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.2); border-radius: 4px; }

.selector-label {
    font-size: 0.6rem;
    font-weight: 700;
    letter-spacing: 0.2em;
    color: var(--text-muted);
    margin-bottom: 4px;
    padding-left: 4px;
}

.model-card {
    position: relative;
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    background: var(--glass-bg);
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: var(--transition);
    min-width: 180px;
}

.model-card:hover {
    background: var(--glass-bg-hover);
    border-color: var(--glass-border-hover);
    transform: translateX(4px);
}

.model-card.active {
    background: rgba(0, 115, 207, 0.08);
    border-color: rgba(0, 115, 207, 0.3);
}

.model-card.active .card-indicator {
    opacity: 1;
    transform: scaleY(1);
}

.card-indicator {
    position: absolute;
    left: 0; top: 20%; bottom: 20%;
    width: 3px;
    background: var(--accent);
    border-radius: 0 2px 2px 0;
    opacity: 0;
    transform: scaleY(0);
    transition: var(--transition);
}

.card-icon {
    color: var(--text-muted);
    transition: var(--transition);
    flex-shrink: 0;
}

.model-card:hover .card-icon,
.model-card.active .card-icon {
    color: var(--text-secondary);
}

.card-info {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.card-name {
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--text-primary);
}

.card-series {
    font-size: 0.68rem;
    color: var(--text-muted);
    font-variant-numeric: tabular-nums;
}

/* =============================================
   TECHNOLOGY PANEL
   ============================================= */
#tech-panel {
    position: absolute;
    bottom: 72px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 15;
}

.tech-buttons {
    display: flex;
    gap: 6px;
}

.tech-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    padding: 12px 16px;
    background: var(--glass-bg);
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    cursor: pointer;
    transition: var(--transition);
    outline: none;
    font-family: var(--font-primary);
    min-width: 80px;
}

.tech-btn:hover {
    background: var(--glass-bg-hover);
    border-color: var(--glass-border-hover);
    transform: translateY(-3px);
}

.tech-btn.active {
    border-color: var(--blue);
    background: rgba(0, 180, 216, 0.1);
}

.tech-icon-wrap {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-sm);
    transition: var(--transition);
}

.tech-icon-wrap.neo { background: rgba(0, 180, 216, 0.12); color: var(--blue); }
.tech-icon-wrap.harvest { background: rgba(74, 222, 128, 0.12); color: var(--green); }
.tech-icon-wrap.ever { background: rgba(129, 140, 248, 0.12); color: var(--purple); }
.tech-icon-wrap.pro { background: rgba(251, 191, 36, 0.12); color: var(--yellow); }
.tech-icon-wrap.xray { background: rgba(255, 100, 50, 0.12); color: #ff6432; }

.tech-btn:hover .tech-icon-wrap.neo { background: rgba(0, 180, 216, 0.25); }
.tech-btn:hover .tech-icon-wrap.harvest { background: rgba(74, 222, 128, 0.25); }
.tech-btn:hover .tech-icon-wrap.ever { background: rgba(129, 140, 248, 0.25); }
.tech-btn:hover .tech-icon-wrap.pro { background: rgba(251, 191, 36, 0.25); }
.tech-btn:hover .tech-icon-wrap.xray { background: rgba(255, 100, 50, 0.25); }

.tech-name {
    font-size: 0.68rem;
    font-weight: 600;
    letter-spacing: 0.02em;
}

/* =============================================
   INFO PANEL
   ============================================= */
#info-panel {
    position: absolute;
    right: -400px;
    top: 80px;
    bottom: 80px;
    width: 360px;
    background: var(--glass-bg);
    backdrop-filter: blur(30px);
    -webkit-backdrop-filter: blur(30px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: right var(--transition-slow);
    z-index: 25;
    display: flex;
    flex-direction: column;
}

#info-panel.open {
    right: 24px;
}

.panel-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 24px;
    border-bottom: 1px solid var(--glass-border);
    flex-shrink: 0;
}

.panel-header h2 {
    font-family: var(--font-display);
    font-size: 1rem;
    font-weight: 600;
}

.btn-close {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    cursor: pointer;
    transition: var(--transition);
    outline: none;
}

.btn-close:hover {
    background: rgba(0, 115, 207, 0.15);
    border-color: rgba(0, 115, 207, 0.3);
    color: var(--accent);
}

.panel-body {
    padding: 20px 24px;
    overflow-y: auto;
    flex: 1;
}

.panel-body::-webkit-scrollbar {
    width: 4px;
}

.panel-body::-webkit-scrollbar-track {
    background: transparent;
}

.panel-body::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 2px;
}

.spec-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
    margin-bottom: 24px;
}

.spec-item {
    padding: 12px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.04);
    border-radius: var(--radius-sm);
}

.spec-label {
    font-size: 0.65rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--text-muted);
    margin-bottom: 4px;
}

.spec-value {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-primary);
}

.feature-list {
    list-style: none;
    margin-bottom: 24px;
}

.feature-list li {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.04);
    font-size: 0.82rem;
    color: var(--text-secondary);
}

.feature-list li::before {
    content: '';
    width: 6px;
    height: 6px;
    background: var(--accent);
    border-radius: 50%;
    flex-shrink: 0;
}

.section-title {
    font-size: 0.65rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--text-muted);
    margin-bottom: 12px;
}

.panel-description {
    font-size: 0.82rem;
    line-height: 1.6;
    color: var(--text-secondary);
}

/* =============================================
   CONTROLS HINT
   ============================================= */
#controls-hint {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 16px;
    z-index: 15;
}

.hint-item {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.7rem;
    color: var(--text-muted);
}

.hint-item kbd {
    padding: 3px 8px;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 4px;
    font-family: var(--font-primary);
    font-size: 0.65rem;
    font-weight: 500;
    color: var(--text-secondary);
}

/* =============================================
   TOOLTIP
   ============================================= */
#tooltip {
    position: fixed;
    padding: 8px 14px;
    background: rgba(0, 0, 0, 0.85);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--text-primary);
    pointer-events: none;
    z-index: 100;
    transform: translate(-50%, -120%);
    white-space: nowrap;
    transition: opacity 0.15s ease;
}

/* =============================================
   TECH INFO POPUP
   ============================================= */
#tech-info-popup {
    position: fixed;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(8px);
    z-index: 100;
    opacity: 0;
    animation: fadeIn 0.3s ease forwards;
}

#tech-info-popup.hidden {
    display: none !important;
}

.popup-content {
    background: var(--glass-bg);
    backdrop-filter: blur(30px);
    -webkit-backdrop-filter: blur(30px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-xl);
    padding: 32px;
    max-width: 420px;
    width: 90%;
    text-align: center;
}

.popup-icon {
    width: 64px;
    height: 64px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 16px;
    font-size: 2rem;
}

.popup-content h3 {
    font-family: var(--font-display);
    font-size: 1.2rem;
    margin-bottom: 12px;
}

.popup-content p {
    font-size: 0.85rem;
    line-height: 1.7;
    color: var(--text-secondary);
    margin-bottom: 20px;
}

.popup-content .btn-glass {
    width: auto;
    height: auto;
    padding: 10px 24px;
    font-family: var(--font-primary);
    font-size: 0.8rem;
    font-weight: 500;
    margin: 0 auto;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

/* =============================================
   VR OVERLAY
   ============================================= */
#vr-overlay {
    position: fixed;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 50;
}

.vr-hint {
    padding: 12px 24px;
    background: rgba(0, 0, 0, 0.8);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    font-size: 0.85rem;
    color: var(--text-secondary);
}

/* =============================================
   RESPONSIVE
   ============================================= */
@media (max-width: 768px) {
    #model-selector {
        left: 12px;
        right: 12px;
        top: auto;
        bottom: 140px;
        transform: none;
        flex-direction: row;
        max-height: none;
        max-width: calc(100vw - 24px);
        overflow-x: auto;
        overflow-y: hidden;
        padding-right: 0;
        padding-bottom: 6px;
        scrollbar-width: thin;
    }

    .model-card {
        min-width: auto;
        padding: 10px 12px;
    }

    .card-info { display: none; }

    .card-indicator {
        left: 20%; right: 20%;
        top: auto; bottom: 0;
        width: auto; height: 3px;
        border-radius: 2px 2px 0 0;
    }

    #tech-panel {
        bottom: 60px;
    }

    .tech-btn {
        padding: 8px 12px;
        min-width: 60px;
    }

    .tech-name {
        font-size: 0.6rem;
    }

    #info-panel {
        width: calc(100% - 24px);
        right: -100%;
        top: auto;
        bottom: 0;
        max-height: 60vh;
        border-radius: var(--radius-lg) var(--radius-lg) 0 0;
    }

    #info-panel.open {
        right: 12px;
    }

    #top-bar {
        padding: 12px 16px;
    }

    .brand-sub { display: none; }
    .brand-sep { display: none; }

    .btn-vr span { display: none; }

    #controls-hint {
        bottom: 12px;
        gap: 10px;
    }

    .hint-item span { display: none; }
}

@media (max-width: 480px) {
    .tech-icon-wrap {
        width: 32px;
        height: 32px;
    }

    .tech-icon-wrap svg {
        width: 16px;
        height: 16px;
    }

    .model-card {
        padding: 8px;
    }
}

/* =============================================
   SCROLLBAR GLOBAL
   ============================================= */
::-webkit-scrollbar {
    width: 6px;
}

::-webkit-scrollbar-track {
    background: transparent;
}

::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.08);
    border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 255, 255, 0.15);
}

/* =============================================
   UTILITY ANIMATIONS
   ============================================= */
@keyframes shimmer {
    0% { background-position: -200% 0; }
    100% { background-position: 200% 0; }
}

@keyframes glow {
    0%, 100% { box-shadow: 0 0 5px var(--accent-glow); }
    50% { box-shadow: 0 0 20px var(--accent-glow), 0 0 40px rgba(0, 115, 207, 0.1); }
}

/* Door open indicator */
.door-open-indicator {
    position: absolute;
    bottom: 140px;
    left: 50%;
    transform: translateX(-50%);
    padding: 8px 20px;
    background: rgba(0, 180, 216, 0.15);
    border: 1px solid rgba(0, 180, 216, 0.3);
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    color: var(--blue);
    pointer-events: none;
    z-index: 15;
    animation: fadeIn 0.3s ease;
}