:root {
    --bg-primary: #0a0a0f;
    --bg-secondary: #12121a;
    --accent-cyan: #00d4ff;
    --accent-pink: #ff2d92;
    --text-primary: #ffffff;
    --text-secondary: #8a8a9a;
    --status-green: #00ff88;
    --status-amber: #ffaa00;
}

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

body {
    font-family: 'JetBrains Mono', monospace;
    background: var(--bg-primary);
    color: var(--text-primary);
    min-height: 100vh;
}

.bg-primary {
    background: linear-gradient(180deg, var(--bg-primary) 0%, #0d0d15 50%, var(--bg-primary) 100%);
    min-height: 100vh;
}

/* Header */
.header-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
    background: rgba(18, 18, 26, 0.8);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(0, 212, 255, 0.2);
    position: sticky;
    top: 0;
    z-index: 100;
}

.logo-text {
    font-family: 'Orbitron', sans-serif;
    font-weight: 800;
    background: linear-gradient(90deg, var(--accent-cyan), var(--accent-pink));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: 2px;
}

.nav-tab {
    padding: 0.5rem 1rem;
    font-size: 0.7rem;
    color: var(--text-secondary);
    letter-spacing: 1px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.nav-tab.active {
    color: var(--accent-cyan);
    border-bottom: 2px solid var(--accent-cyan);
}

.status-indicator {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.7rem;
    color: var(--status-green);
    letter-spacing: 1px;
}

.status-dot {
    width: 8px;
    height: 8px;
    background: var(--status-green);
    border-radius: 50%;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; box-shadow: 0 0 10px var(--status-green); }
    50% { opacity: 0.5; box-shadow: 0 0 20px var(--status-green); }
}

.version-badge {
    padding: 0.25rem 0.75rem;
    background: rgba(0, 212, 255, 0.1);
    border: 1px solid rgba(0, 212, 255, 0.3);
    border-radius: 4px;
    font-size: 0.65rem;
    color: var(--accent-cyan);
    letter-spacing: 1px;
}

/* Hero Section */
.next-gen-badge {
    padding: 0.5rem 1rem;
    background: linear-gradient(90deg, rgba(255, 45, 146, 0.2), rgba(0, 212, 255, 0.2));
    border: 1px solid rgba(255, 45, 146, 0.4);
    border-radius: 20px;
    font-size: 0.65rem;
    letter-spacing: 2px;
    color: var(--accent-pink);
}

.hero-title {
    font-family: 'Orbitron', sans-serif;
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 900;
    background: linear-gradient(180deg, #fff 0%, #888 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin: 1rem 0;
    letter-spacing: 4px;
}

.hero-subtitle {
    color: var(--text-secondary);
    font-size: 0.85rem;
    line-height: 1.6;
    max-width: 400px;
}

/* Parameters Card */
.params-card {
    background: var(--bg-secondary);
    border: 1px solid rgba(0, 212, 255, 0.15);
    border-radius: 12px;
    padding: 1.5rem;
    box-shadow: 0 0 40px rgba(0, 212, 255, 0.05);
}

.section-header {
    font-family: 'Orbitron', sans-serif;
    font-size: 0.75rem;
    letter-spacing: 3px;
    color: var(--text-secondary);
    margin-bottom: 1rem;
}

.param-label {
    display: block;
    font-size: 0.65rem;
    letter-spacing: 2px;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
}

.param-select {
    width: 100%;
    padding: 0.75rem 1rem;
    background: rgba(0, 0, 0, 0.4);
    border: 1px solid rgba(0, 212, 255, 0.2);
    border-radius: 8px;
    color: var(--text-primary);
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.8rem;
    cursor: pointer;
    transition: all 0.3s ease;
}

.param-select:focus {
    outline: none;
    border-color: var(--accent-cyan);
    box-shadow: 0 0 15px rgba(0, 212, 255, 0.2);
}

.param-select option {
    background: var(--bg-secondary);
}

/* Quality Toggle */
.quality-toggle {
    display: flex;
    gap: 0.5rem;
}

.quality-btn {
    flex: 1;
    padding: 0.75rem;
    background: rgba(0, 0, 0, 0.4);
    border: 1px solid rgba(0, 212, 255, 0.2);
    border-radius: 8px;
    color: var(--text-secondary);
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.8rem;
    cursor: pointer;
    transition: all 0.3s ease;
}

.quality-btn.active {
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.2), rgba(255, 45, 146, 0.2));
    border-color: var(--accent-cyan);
    color: var(--text-primary);
    box-shadow: 0 0 20px rgba(0, 212, 255, 0.2);
}

/* Style Grid */
.style-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0.5rem;
}

@media (max-width: 768px) {
    .style-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

.style-btn {
    padding: 0.6rem 0.5rem;
    background: rgba(0, 0, 0, 0.4);
    border: 1px solid rgba(0, 212, 255, 0.15);
    border-radius: 6px;
    color: var(--text-secondary);
    font-size: 0.6rem;
    letter-spacing: 1px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.style-btn:hover {
    border-color: rgba(0, 212, 255, 0.4);
    color: var(--text-primary);
}

.style-btn.active {
    background: linear-gradient(135deg, rgba(255, 45, 146, 0.3), rgba(0, 212, 255, 0.3));
    border-color: var(--accent-pink);
    color: var(--text-primary);
    box-shadow: 0 0 15px rgba(255, 45, 146, 0.2);
}

/* CTA Button */
.cta-button {
    width: 100%;
    padding: 1rem;
    background: linear-gradient(135deg, var(--accent-cyan), var(--accent-pink));
    border: none;
    border-radius: 8px;
    color: var(--text-primary);
    font-family: 'Orbitron', sans-serif;
    font-size: 0.85rem;
    font-weight: 700;
    letter-spacing: 2px;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.cta-button:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 10px 40px rgba(0, 212, 255, 0.4);
}

.cta-button:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.cta-button::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transform: translateX(-100%);
    animation: shimmer 2s infinite;
}

@keyframes shimmer {
    100% { transform: translateX(100%); }
}

/* Upload Zone */
.upload-zone {
    min-height: 400px;
    background: var(--bg-secondary);
    border: 2px dashed rgba(0, 212, 255, 0.3);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.upload-zone:hover,
.upload-zone.drag-active {
    border-color: var(--accent-cyan);
    background: rgba(0, 212, 255, 0.05);
    box-shadow: 0 0 30px rgba(0, 212, 255, 0.1);
}

.upload-zone.has-image {
    border-style: solid;
    border-color: var(--status-green);
}

.upload-placeholder {
    text-align: center;
    padding: 2rem;
}

.upload-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    opacity: 0.5;
}

.upload-text {
    font-family: 'Orbitron', sans-serif;
    font-size: 0.9rem;
    letter-spacing: 2px;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
}

.upload-subtext {
    font-size: 0.7rem;
    color: var(--text-secondary);
    opacity: 0.7;
}

.uploaded-preview {
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 1.5rem;
}

.dna-badge {
    position: absolute;
    top: 1rem;
    left: 1rem;
    padding: 0.4rem 0.8rem;
    background: rgba(0, 255, 136, 0.2);
    border: 1px solid var(--status-green);
    border-radius: 4px;
    font-size: 0.6rem;
    letter-spacing: 2px;
    color: var(--status-green);
}

.preview-image {
    max-width: 100%;
    max-height: 280px;
    object-fit: contain;
    border-radius: 8px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5);
}

.multi-view-label {
    margin-top: 1rem;
    font-size: 0.65rem;
    letter-spacing: 2px;
    color: var(--text-secondary);
}

.asset-counter {
    margin-top: 0.5rem;
    font-size: 0.7rem;
    color: var(--accent-cyan);
}

/* Progress Section */
.progress-section {
    background: var(--bg-secondary);
    border: 1px solid rgba(0, 212, 255, 0.15);
    border-radius: 12px;
    padding: 1.5rem;
}

.status-text {
    font-size: 0.75rem;
    letter-spacing: 1px;
    color: var(--status-amber);
}

.status-text.complete {
    color: var(--status-green);
}

.progress-bar {
    width: 100%;
    height: 6px;
    background: rgba(0, 0, 0, 0.4);
    border-radius: 3px;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--accent-cyan), var(--accent-pink));
    border-radius: 3px;
    transition: width 0.5s ease;
    box-shadow: 0 0 10px var(--accent-cyan);
}

/* Results Grid */
.results-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 1rem;
}

@media (max-width: 640px) {
    .results-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

.ad-card {
    position: relative;
    background: var(--bg-secondary);
    border: 1px solid rgba(0, 212, 255, 0.15);
    border-radius: 12px;
    overflow: hidden;
    animation: fadeIn 0.5s ease forwards;
    opacity: 0;
}

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

.ad-card:hover {
    transform: scale(1.02);
    border-color: var(--accent-cyan);
    box-shadow: 0 10px 40px rgba(0, 212, 255, 0.2);
}

.ad-image {
    width: 100%;
    aspect-ratio: 1;
    object-fit: cover;
}

.ad-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

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

.download-btn {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--accent-cyan), var(--accent-pink));
    border: none;
    border-radius: 50%;
    font-size: 1.2rem;
    cursor: pointer;
    transition: transform 0.3s ease;
}

.download-btn:hover {
    transform: scale(1.1);
}

.ad-label {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 0.5rem;
    background: linear-gradient(transparent, rgba(0, 0, 0, 0.8));
    font-size: 0.6rem;
    letter-spacing: 2px;
    color: var(--text-secondary);
    text-align: center;
}

.download-all-btn {
    padding: 0.75rem 1.5rem;
    background: rgba(0, 212, 255, 0.1);
    border: 1px solid var(--accent-cyan);
    border-radius: 8px;
    color: var(--accent-cyan);
    font-family: 'Orbitron', sans-serif;
    font-size: 0.75rem;
    letter-spacing: 2px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.download-all-btn:hover {
    background: var(--accent-cyan);
    color: var(--bg-primary);
}

/* Footer */
.footer {
    padding: 2rem;
    text-align: center;
    background: rgba(0, 0, 0, 0.3);
    border-top: 1px solid rgba(0, 212, 255, 0.1);
}

.footer-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.8rem;
    transition: color 0.3s ease;
}

.footer-link:hover {
    color: var(--accent-pink);
}

/* Utilities */
.hidden {
    display: none;
}