:root {
    --bg-color: #030508;
    --card-bg: rgba(13, 17, 28, 0.6);
    --glass-border: rgba(255, 255, 255, 0.08);
    --accent-primary: #00f2ff;
    --accent-secondary: #7000ff;
    --accent-glow: rgba(0, 242, 255, 0.3);
    --text-primary: #ffffff;
    --text-secondary: #94a3b8;
    --font-main: 'Inter', system-ui, -apple-system, sans-serif;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body, html {
    width: 100%;
    height: 100%;
    background-color: var(--bg-color);
    color: var(--text-primary);
    font-family: var(--font-main);
    overflow: hidden;
}

/* Luxury Background */
.aurora-bg {
    position: relative;
    background: radial-gradient(circle at 50% 50%, #06090f 0%, #020305 100%);
    overflow: hidden;
}

.aurora-bg::before {
    content: "";
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: 
        radial-gradient(circle at 15% 25%, rgba(0, 242, 255, 0.08) 0%, transparent 35%),
        radial-gradient(circle at 85% 75%, rgba(112, 0, 255, 0.08) 0%, transparent 35%),
        radial-gradient(circle at 50% 50%, rgba(0, 100, 255, 0.03) 0%, transparent 50%);
    animation: aurora-flow 30s infinite alternate cubic-bezier(0.45, 0.05, 0.55, 0.95);
    z-index: 0;
    filter: blur(80px);
}

/* Noise Overlay */
.aurora-bg::after {
    content: "";
    position: absolute;
    inset: 0;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.65' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)'/%3E%3C/svg%3E");
    opacity: 0.04;
    pointer-events: none;
    z-index: 1;
}

@keyframes aurora-flow {
    0% { transform: translate(0, 0) rotate(0deg) scale(1); }
    50% { transform: translate(2%, 3%) rotate(2deg) scale(1.05); }
    100% { transform: translate(-2%, -2%) rotate(-2deg) scale(1); }
}

/* Main Container */
#landing-page, #gyro-overlay {
    position: fixed;
    inset: 0;
    display: none;
    z-index: 100;
    overflow-y: auto;
    background: rgba(3, 5, 8, 0.4);
}

#landing-page.active, #gyro-overlay.active {
    display: block;
}

.content-wrapper {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 80px 20px;
    gap: 80px;
}

#upload-section {
    display: flex;
    justify-content: center;
    width: 100%;
}

#gallery {
    width: 100%;
    max-width: 900px;
}

.gallery-container {
    background: rgba(13, 17, 28, 0.4);
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: 32px;
    padding: 40px;
    box-shadow: 0 20px 40px rgba(0,0,0,0.3);
}

/* Glass Panel */
.glass-panel {
    position: relative;
    z-index: 10;
    background: rgba(13, 17, 28, 0.7);
    backdrop-filter: blur(30px) saturate(200%);
    -webkit-backdrop-filter: blur(30px) saturate(200%);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 32px;
    padding: 48px;
    width: 100%;
    max-width: 600px;
    box-shadow: 
        0 4px 24px -1px rgba(0, 0, 0, 0.3),
        0 40px 100px -20px rgba(0, 0, 0, 0.7),
        inset 0 0 0 1px rgba(255, 255, 255, 0.03);
    text-align: center;
    animation: panelAppear 0.8s cubic-bezier(0.2, 0.8, 0.2, 1);
}

/* Holographic Edge */
.glass-panel::before {
    content: "";
    position: absolute;
    inset: -1px;
    border-radius: 32px;
    padding: 1px;
    background: linear-gradient(
        135deg,
        rgba(0, 242, 255, 0.3) 0%,
        transparent 25%,
        transparent 75%,
        rgba(112, 0, 255, 0.3) 100%
    );
    mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    mask-composite: exclude;
    -webkit-mask-composite: destination-out;
    pointer-events: none;
}

@keyframes panelAppear {
    from { opacity: 0; transform: scale(0.95) translateY(20px); }
    to { opacity: 1; transform: scale(1) translateY(0); }
}

h1 {
    font-size: 32px;
    font-weight: 700;
    letter-spacing: -0.02em;
    margin-bottom: 8px;
    background: linear-gradient(135deg, #fff 0%, #94a3b8 100%);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

p {
    color: var(--text-secondary);
    font-size: 16px;
    margin-bottom: 32px;
}

/* Drop Zone */
.drop-zone {
    position: relative;
    border: 2px dashed rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    padding: 48px 24px;
    background: rgba(255, 255, 255, 0.02);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: pointer;
    margin-bottom: 40px;
}

.drop-zone:hover, .drop-zone.drag-over {
    border-color: var(--accent-primary);
    background: rgba(0, 242, 255, 0.03);
    box-shadow: 0 0 40px rgba(0, 242, 255, 0.1);
    transform: translateY(-2px);
}

.drop-zone svg {
    margin-bottom: 16px;
    stroke: var(--text-secondary);
    transition: stroke 0.3s;
}

.drop-zone:hover svg {
    stroke: var(--accent-primary);
}

.drop-text {
    display: block;
    font-size: 18px;
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.supported-formats {
    font-size: 12px;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

#file-input {
    position: absolute;
    inset: 0;
    opacity: 0;
    cursor: pointer;
}

/* Gallery Section */
.gallery-section {
    margin-top: 40px;
}

.gallery-divider {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 24px;
}

.gallery-divider-line {
    flex: 1;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--glass-border), transparent);
}

.gallery-label {
    font-size: 12px;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.15em;
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
}

.gallery-card {
    position: relative;
    aspect-ratio: 4/5;
    background: #000;
    border: none;
    border-radius: 16px;
    overflow: hidden;
    cursor: pointer;
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.gallery-card img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
    filter: brightness(0.7);
}

.gallery-card-overlay {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background: linear-gradient(to top, rgba(0,0,0,0.8), transparent);
    opacity: 0;
    transition: opacity 0.3s;
}

.gallery-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px -10px rgba(0,0,0,0.5);
}

.gallery-card:hover img {
    transform: scale(1.1);
    filter: brightness(0.9);
}

.gallery-card:hover .gallery-card-overlay {
    opacity: 1;
}

.gallery-card-icon {
    font-size: 24px;
    color: var(--accent-primary);
    margin-bottom: 8px;
}

.gallery-card-cta {
    font-size: 10px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.gallery-badge {
    position: absolute;
    top: 12px;
    left: 12px;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
    padding: 4px 8px;
    border-radius: 6px;
    font-size: 10px;
    font-weight: 700;
    color: var(--accent-primary);
}

/* Viewer Container */
#viewer-container {
    position: fixed;
    inset: 0;
    display: none;
    z-index: 50;
    background: #000;
}

#viewer-container.active {
    display: block;
}

.viewer-controls {
    position: fixed;
    top: 32px;
    right: 32px;
    display: flex;
    gap: 12px;
    z-index: 1000;
}

.control-btn {
    background: rgba(13, 17, 28, 0.4);
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    color: white;
    padding: 12px 20px;
    border-radius: 14px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
    display: flex;
    align-items: center;
    gap: 8px;
}

.control-btn:hover {
    background: rgba(13, 17, 28, 0.8);
    border-color: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
}

.close-btn {
    background: rgba(239, 68, 68, 0.2);
    border-color: rgba(239, 68, 68, 0.2);
}

.close-btn:hover {
    background: rgba(239, 68, 68, 0.4);
    border-color: rgba(239, 68, 68, 0.4);
}

/* Gyro Overlay Specifics */
#gyro-overlay .glass-panel {
    max-width: 400px;
}

.upload-btn {
    width: 100%;
    padding: 16px;
    border-radius: 14px;
    border: none;
    background: linear-gradient(135deg, var(--accent-primary) 0%, var(--accent-secondary) 100%);
    color: white;
    font-size: 16px;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s;
    margin-bottom: 12px;
}

.upload-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px -5px var(--accent-glow);
}

.skip-btn {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    font-size: 14px;
    cursor: pointer;
    transition: color 0.3s;
}

.skip-btn:hover {
    color: var(--text-primary);
}

@media (max-width: 600px) {
    .gallery-grid {
        grid-template-columns: 1fr;
    }
    .glass-panel {
        padding: 24px;
    }
    h1 {
        font-size: 24px;
    }
}