/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Color Palette */
    --primary-purple: #5E35B1;
    --accent-pink: #FF4081;
    --accent-cyan: #00E5FF;
    --bg-dark: #121212;
    --bg-card: #1E1E1E;
    --text-primary: #FFFFFF;
    --text-secondary: #E0E0E0;
    --text-muted: #B0B0B0;
    --border-color: #333333;
    --hover-glow: rgba(255, 64, 129, 0.3);
    --cyan-glow: rgba(0, 229, 255, 0.3);

    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

    /* Spacing */
    --container-padding: 2rem;
    --section-padding: 4rem 0;

    /* Animations */
    --transition-fast: 0.2s ease;
    --transition-smooth: 0.3s ease;
    --transition-slow: 0.5s ease;
}

body {
    font-family: var(--font-family);
    background: var(--bg-dark);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(18, 18, 18, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    z-index: 1000;
    transition: var(--transition-smooth);
}

.header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem var(--container-padding);
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--accent-pink);
}

.logo i {
    font-size: 1.8rem;
    background: linear-gradient(45deg, var(--accent-pink), var(--accent-cyan));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav {
    display: flex;
    gap: 2rem;
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition-fast);
    position: relative;
}

.nav-link:hover {
    color: var(--accent-cyan);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent-cyan);
    transition: var(--transition-fast);
}

.nav-link:hover::after {
    width: 100%;
}

/* User Info Navigation */
.user-info-nav {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.5rem 1rem;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 12px;
    border: 1px solid var(--border-color);
    cursor: pointer;
    transition: var(--transition-fast);
    margin: 0 1rem;
}

.user-info-nav:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--accent-cyan);
    transform: translateY(-1px);
}

.user-avatar-small {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--accent-pink), var(--accent-cyan));
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 0.9rem;
    flex-shrink: 0;
}

.user-details-small {
    display: flex;
    flex-direction: column;
    gap: 0.1rem;
    min-width: 0;
}

.user-name-small {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 120px;
}

.user-email-small {
    font-size: 0.75rem;
    color: var(--text-secondary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 120px;
}

/* Backend Configuration */
.backend-config {
    position: absolute;
    top: 100%;
    right: 0;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 1rem;
    min-width: 300px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
    z-index: 1000;
}

.config-panel h3 {
    margin: 0 0 1rem 0;
    color: var(--accent-cyan);
    font-size: 1.1rem;
}

.config-panel p {
    margin: 0 0 0.5rem 0;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.config-panel input {
    width: 100%;
    padding: 0.5rem;
    margin: 0.5rem 0;
    background: var(--bg-dark);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    color: var(--text-primary);
    font-size: 0.9rem;
}

.config-panel button {
    margin: 0.25rem 0.25rem 0.25rem 0;
    padding: 0.5rem 1rem;
    font-size: 0.9rem;
}

#configStatus {
    margin-top: 0.5rem;
    font-size: 0.9rem;
}

/* Hero */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: var(--section-padding);
    background: linear-gradient(135deg, var(--bg-dark) 0%, #1a1a2e 100%);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: transparent;
    pointer-events: none;
}

.hero .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-content {
    max-width: 600px;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1.5rem;
}

.gradient-text {
    background: linear-gradient(45deg, var(--accent-pink), var(--accent-cyan));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: gradient-shift 3s ease-in-out infinite;
}

@keyframes gradient-shift {

    0%,
    100% {
        background-position: 0% 50%;
    }

    50% {
        background-position: 100% 50%;
    }
}

.hero-subtitle {
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-bottom: 3rem;
    line-height: 1.7;
}

/* Style Showcase */
.style-showcase {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1rem;
    margin-bottom: 3rem;
}

.style-item {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 1.5rem 1rem;
    text-align: center;
    cursor: pointer;
    transition: var(--transition-smooth);
    position: relative;
    overflow: hidden;
}

.style-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, var(--hover-glow), transparent);
    transition: var(--transition-slow);
}

.style-item:hover::before {
    left: 100%;
}

.style-item:hover {
    border-color: var(--accent-pink);
    transform: translateY(-5px);
    box-shadow: 0 10px 30px var(--hover-glow);
}

.style-item i {
    font-size: 2rem;
    color: var(--accent-cyan);
    margin-bottom: 0.5rem;
    display: block;
}

.style-item span {
    font-weight: 500;
    color: var(--text-secondary);
}

/* Hero Actions */
.hero-actions {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem 2rem;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-smooth);
    text-decoration: none;
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: var(--transition-slow);
}

.btn:hover::before {
    left: 100%;
}

.btn-primary {
    background: var(--accent-pink);
    color: white;
    box-shadow: 0 4px 15px var(--hover-glow);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px var(--hover-glow);
}

.btn-secondary {
    background: var(--accent-cyan);
    color: var(--bg-dark);
    box-shadow: 0 4px 15px var(--cyan-glow);
}

.btn-secondary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px var(--cyan-glow);
}

.btn-outline {
    background: transparent;
    color: var(--text-secondary);
    border: 2px solid var(--border-color);
}

.btn-outline:hover {
    border-color: var(--accent-cyan);
    color: var(--accent-cyan);
    transform: translateY(-2px);
}

.btn-large {
    padding: 1.5rem 3rem;
    font-size: 1.2rem;
}

/* Avatar Demo */
.avatar-demo {
    display: flex;
    justify-content: center;
    align-items: center;
}

.avatar-container {
    width: 300px;
    height: 400px;
    background: var(--bg-card);
    border-radius: 20px;
    border: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.avatar-demo .avatar-placeholder {
    position: relative;
    background: transparent;
    border: none;
    border-radius: 0;
    width: auto;
    height: auto;
}

/* Skeleton Animation */
.skeleton-demo {
    width: 80px;
    height: 120px;
    position: relative;
    animation: dance 2s ease-in-out infinite;
    background: transparent;
    border: none;
    border-radius: 0;
}

@keyframes dance {

    0%,
    100% {
        transform: translateY(0) rotate(0deg);
    }

    25% {
        transform: translateY(-10px) rotate(2deg);
    }

    50% {
        transform: translateY(-5px) rotate(-1deg);
    }

    75% {
        transform: translateY(-15px) rotate(1deg);
    }
}

.skeleton-head {
    width: 20px;
    height: 20px;
    background: var(--accent-cyan);
    border-radius: 50%;
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
}

.skeleton-body {
    width: 8px;
    height: 40px;
    background: var(--accent-pink);
    position: absolute;
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
}

.skeleton-arms {
    position: absolute;
    top: 25px;
    left: 50%;
    transform: translateX(-50%);
}

.skeleton-arm {
    width: 6px;
    height: 25px;
    background: var(--accent-cyan);
    position: absolute;
    top: 0;
}

.skeleton-arm.left {
    left: -15px;
    transform: rotate(-20deg);
    animation: arm-wave-left 2s ease-in-out infinite;
}

.skeleton-arm.right {
    right: -15px;
    transform: rotate(20deg);
    animation: arm-wave-right 2s ease-in-out infinite;
}

@keyframes arm-wave-left {

    0%,
    100% {
        transform: rotate(-20deg);
    }

    50% {
        transform: rotate(-40deg);
    }
}

@keyframes arm-wave-right {

    0%,
    100% {
        transform: rotate(20deg);
    }

    50% {
        transform: rotate(40deg);
    }
}

.skeleton-legs {
    position: absolute;
    top: 60px;
    left: 50%;
    transform: translateX(-50%);
}

.skeleton-leg {
    width: 6px;
    height: 30px;
    background: var(--accent-pink);
    position: absolute;
    top: 0;
}

.skeleton-leg.left {
    left: -8px;
    animation: leg-step-left 2s ease-in-out infinite;
}

.skeleton-leg.right {
    right: -8px;
    animation: leg-step-right 2s ease-in-out infinite;
}

@keyframes leg-step-left {

    0%,
    100% {
        transform: translateY(0);
    }

    50% {
        transform: translateY(-5px);
    }
}

@keyframes leg-step-right {

    0%,
    100% {
        transform: translateY(-5px);
    }

    50% {
        transform: translateY(0);
    }
}

/* Upload Section */
.upload-section {
    padding: var(--section-padding);
    background: var(--bg-card);
}

.upload-container {
    max-width: 800px;
    margin: 0 auto;
}

.upload-tabs {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
    border-bottom: 1px solid var(--border-color);
}

.tab-btn {
    background: none;
    border: none;
    color: var(--text-muted);
    padding: 1rem 2rem;
    cursor: pointer;
    font-size: 1rem;
    font-weight: 500;
    border-bottom: 2px solid transparent;
    transition: var(--transition-fast);
}

.tab-btn.active {
    color: var(--accent-cyan);
    border-bottom-color: var(--accent-cyan);
}

.tab-btn:hover {
    color: var(--text-secondary);
}

.upload-content {
    margin-bottom: 3rem;
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

.upload-panel {
    background: var(--bg-dark);
    border: 2px dashed var(--border-color);
    border-radius: 12px;
    padding: 3rem;
    text-align: center;
    margin-bottom: 2rem;
    transition: var(--transition-smooth);
    cursor: pointer;
}

.upload-panel:hover {
    border-color: var(--accent-pink);
    background: rgba(255, 64, 129, 0.05);
}

.upload-panel.dragover {
    border-color: var(--accent-cyan);
    background: rgba(0, 229, 255, 0.05);
    transform: scale(1.02);
}

.upload-icon {
    font-size: 3rem;
    color: var(--accent-cyan);
    margin-bottom: 1rem;
}

.upload-panel h3 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.upload-panel p {
    color: var(--text-muted);
}

.upload-link {
    color: var(--accent-pink);
    cursor: pointer;
    text-decoration: underline;
}

.settings-panel {
    display: grid;
    gap: 2rem;
}

.setting-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.setting-group label {
    font-weight: 500;
    color: var(--text-secondary);
}

.select-input {
    background: var(--bg-dark);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 0.75rem;
    color: var(--text-primary);
    font-size: 1rem;
    transition: var(--transition-fast);
}

.select-input:focus {
    outline: none;
    border-color: var(--accent-cyan);
    box-shadow: 0 0 0 3px var(--cyan-glow);
}

.slider-container {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.slider {
    -webkit-appearance: none;
    appearance: none;
    height: 6px;
    background: var(--border-color);
    border-radius: 3px;
    outline: none;
    transition: var(--transition-fast);
}

.slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 20px;
    height: 20px;
    background: var(--accent-pink);
    border-radius: 50%;
    cursor: pointer;
    box-shadow: 0 0 10px var(--hover-glow);
    transition: var(--transition-fast);
}

.slider::-webkit-slider-thumb:hover {
    transform: scale(1.2);
    box-shadow: 0 0 15px var(--hover-glow);
}

.slider::-moz-range-thumb {
    width: 20px;
    height: 20px;
    background: var(--accent-pink);
    border-radius: 50%;
    cursor: pointer;
    border: none;
    box-shadow: 0 0 10px var(--hover-glow);
}

.slider-labels {
    display: flex;
    justify-content: space-between;
    font-size: 0.9rem;
    color: var(--text-muted);
}

.generate-section {
    text-align: center;
}

/* Progress Section */
.progress-section {
    padding: var(--section-padding);
    background: var(--bg-dark);
}

.progress-container {
    max-width: 600px;
    margin: 0 auto;
    text-align: center;
}

.progress-header h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.progress-header p {
    color: var(--text-secondary);
    margin-bottom: 3rem;
}

.progress-visual {
    margin-bottom: 3rem;
    text-align: center;
}

.loading-spinner {
    display: flex;
    justify-content: center;
    margin-bottom: 2rem;
}

.spinner {
    width: 60px;
    height: 60px;
    border: 4px solid var(--border-color);
    border-top: 4px solid var(--accent-cyan);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    box-shadow: 0 0 20px var(--cyan-glow);
}

@keyframes spin {
    0% {
        transform: rotate(0deg);
    }

    100% {
        transform: rotate(360deg);
    }
}

.progress-status {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--accent-cyan);
    margin-bottom: 0.5rem;
}

.progress-details {
    font-size: 1rem;
    color: var(--text-secondary);
    margin-bottom: 1rem;
}

.progress-animation {
    margin: 3rem 0;
}

.skeleton-animation {
    width: 100px;
    height: 150px;
    margin: 0 auto;
    position: relative;
    animation: bounce 1s ease-in-out infinite;
}

@keyframes bounce {

    0%,
    100% {
        transform: translateY(0);
    }

    50% {
        transform: translateY(-20px);
    }
}

.progress-actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
}

/* Studio Section */
.studio-section {
    padding: var(--section-padding);
    background: var(--bg-card);
}

.studio-container {
    max-width: 1000px;
    margin: 0 auto;
}

.studio-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
    flex-wrap: wrap;
    gap: 1rem;
}

.studio-header h2 {
    font-size: 2rem;
    color: var(--text-primary);
}

.studio-controls-top {
    display: flex;
    gap: 1rem;
    align-items: center;
}

.camera-presets {
    display: flex;
    gap: 0.5rem;
}

.preset-btn {
    background: var(--bg-dark);
    border: 1px solid var(--border-color);
    color: var(--text-muted);
    padding: 0.5rem 1rem;
    border-radius: 6px;
    cursor: pointer;
    transition: var(--transition-fast);
    font-size: 0.9rem;
}

.preset-btn.active,
.preset-btn:hover {
    background: var(--accent-cyan);
    color: var(--bg-dark);
    border-color: var(--accent-cyan);
}

.studio-viewport {
    background: var(--bg-dark);
    border-radius: 12px;
    border: 1px solid var(--border-color);
    height: 500px;
    margin-bottom: 2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

/* Video Container Styles */
.video-container {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-dark);
}

.video-container video {
    max-width: 100%;
    max-height: 100%;
    border-radius: 8px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
}

/* View Mode Toggle */
.view-mode-toggle {
    display: flex;
    gap: 0.5rem;
    margin-right: 1rem;
}

.view-mode-toggle .btn {
    padding: 0.5rem 1rem;
    font-size: 0.9rem;
}

.view-mode-toggle .btn.active {
    background: var(--accent-cyan);
    color: var(--bg-dark);
    border-color: var(--accent-cyan);
}

.avatar-container-3d {
    width: 200px;
    height: 300px;
    position: relative;
}

.avatar-3d {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.skeleton-demo-3d {
    width: 100px;
    height: 150px;
    position: relative;
    animation: dance-3d 3s ease-in-out infinite;
}

@keyframes dance-3d {

    0%,
    100% {
        transform: rotateY(0deg) rotateX(0deg);
    }

    25% {
        transform: rotateY(15deg) rotateX(5deg);
    }

    50% {
        transform: rotateY(0deg) rotateX(-5deg);
    }

    75% {
        transform: rotateY(-15deg) rotateX(5deg);
    }
}

.studio-controls {
    display: grid;
    grid-template-columns: auto 1fr auto;
    gap: 2rem;
    align-items: center;
    margin-bottom: 2rem;
}

.playback-controls {
    display: flex;
    gap: 0.5rem;
}

.control-btn {
    background: var(--bg-dark);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    width: 50px;
    height: 50px;
    border-radius: 50%;
    cursor: pointer;
    transition: var(--transition-fast);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
}

.control-btn:hover {
    border-color: var(--accent-cyan);
    color: var(--accent-cyan);
    transform: scale(1.1);
}

.play-btn {
    background: var(--accent-pink);
    border-color: var(--accent-pink);
    color: white;
    width: 60px;
    height: 60px;
    font-size: 1.5rem;
}

.play-btn:hover {
    background: var(--accent-cyan);
    border-color: var(--accent-cyan);
    transform: scale(1.1);
}

.speed-controls {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-secondary);
}

.speed-btn {
    background: var(--bg-dark);
    border: 1px solid var(--border-color);
    color: var(--text-muted);
    padding: 0.5rem 1rem;
    border-radius: 6px;
    cursor: pointer;
    transition: var(--transition-fast);
    font-size: 0.9rem;
}

.speed-btn.active,
.speed-btn:hover {
    background: var(--accent-cyan);
    color: var(--bg-dark);
    border-color: var(--accent-cyan);
}

.timeline-container {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    min-width: 200px;
}

.timeline {
    height: 6px;
    background: var(--border-color);
    border-radius: 3px;
    position: relative;
    cursor: pointer;
}

.timeline-progress {
    height: 100%;
    background: linear-gradient(90deg, var(--accent-pink), var(--accent-cyan));
    border-radius: 3px;
    width: 0%;
    transition: width 0.1s ease;
}

.timeline-scrubber {
    position: absolute;
    top: 50%;
    left: 0%;
    width: 16px;
    height: 16px;
    background: var(--accent-cyan);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    cursor: grab;
    box-shadow: 0 0 10px var(--cyan-glow);
}

.timeline-scrubber:active {
    cursor: grabbing;
}

.timeline-time {
    display: flex;
    justify-content: space-between;
    font-size: 0.9rem;
    color: var(--text-muted);
}

.gesture-hints {
    display: flex;
    justify-content: center;
    gap: 2rem;
    flex-wrap: wrap;
}

.hint-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-muted);
    font-size: 0.9rem;
}

.hint-item i {
    color: var(--accent-cyan);
}

/* Export Section */
.export-section {
    padding: var(--section-padding);
    background: var(--bg-dark);
}

.export-container {
    max-width: 600px;
    margin: 0 auto;
    text-align: center;
}

.export-container h2 {
    font-size: 2rem;
    margin-bottom: 2rem;
    color: var(--text-primary);
}

.export-options {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

.export-btn {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    padding: 1rem 2rem;
    border-radius: 8px;
    cursor: pointer;
    transition: var(--transition-smooth);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1rem;
    font-weight: 500;
}

.export-btn:hover {
    border-color: var(--accent-pink);
    color: var(--accent-pink);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px var(--hover-glow);
}

/* Footer */
.footer {
    background: var(--bg-card);
    border-top: 1px solid var(--border-color);
    padding: 2rem 0;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.footer-links {
    display: flex;
    gap: 2rem;
}

.footer-links a {
    color: var(--text-muted);
    text-decoration: none;
    transition: var(--transition-fast);
}

.footer-links a:hover {
    color: var(--accent-cyan);
}

.footer-copyright p {
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* Suno AI Styles */
.suno-panel {
    background: var(--bg-card);
    border-radius: 16px;
    padding: 2rem;
    border: 1px solid var(--border-color);
    margin-bottom: 2rem;
}

.suno-header {
    text-align: center;
    margin-bottom: 2rem;
}

.suno-header h3 {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.suno-header p {
    color: var(--text-secondary);
    font-size: 1rem;
}

.suno-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-group label {
    font-weight: 500;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.form-group input,
.form-group select,
.form-group textarea {
    background: var(--bg-dark);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 0.75rem;
    color: var(--text-primary);
    font-size: 1rem;
    transition: var(--transition-fast);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent-cyan);
    box-shadow: 0 0 0 3px var(--cyan-glow);
}

.form-group textarea {
    resize: vertical;
    min-height: 80px;
    font-family: var(--font-family);
}

.suno-actions {
    display: flex;
    justify-content: center;
    margin-top: 1rem;
}

.suno-status {
    background: var(--bg-dark);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 2rem;
    text-align: center;
    margin-top: 1rem;
}

.status-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
}

.status-content .spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--border-color);
    border-top: 3px solid var(--accent-cyan);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

.status-text h4 {
    color: var(--text-primary);
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
}

.status-text p {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Projects Section Styles */
.projects-section {
    padding: var(--section-padding);
    min-height: 100vh;
    background: var(--bg-dark);
}

.projects-container {
    max-width: 1200px;
    margin: 0 auto;
}

.projects-header {
    text-align: center;
    margin-bottom: 3rem;
}

.projects-header h2 {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 1rem;
}

.projects-header p {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
}

.projects-actions {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.projects-filters {
    display: flex;
    gap: 1rem;
    align-items: center;
}

.filter-select {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 0.5rem 1rem;
    color: var(--text-primary);
    font-size: 0.9rem;
    cursor: pointer;
    transition: var(--transition-fast);
}

.filter-select:hover {
    border-color: var(--accent-cyan);
}

.filter-select:focus {
    outline: none;
    border-color: var(--accent-cyan);
    box-shadow: 0 0 0 2px rgba(0, 229, 255, 0.2);
}

.projects-content {
    min-height: 400px;
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.project-card {
    background: var(--bg-card);
    border-radius: 16px;
    border: 1px solid var(--border-color);
    overflow: hidden;
    transition: var(--transition-smooth);
    cursor: pointer;
}

.project-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
    border-color: var(--accent-cyan);
}

.project-thumbnail {
    position: relative;
    height: 200px;
    background: linear-gradient(135deg, var(--accent-pink), var(--accent-cyan));
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.project-thumbnail img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.project-thumbnail .thumbnail-placeholder {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: white;
    text-align: center;
}

.project-thumbnail .thumbnail-placeholder i {
    font-size: 3rem;
    margin-bottom: 0.5rem;
    opacity: 0.8;
}

.project-thumbnail .thumbnail-placeholder span {
    font-size: 0.9rem;
    opacity: 0.9;
}

.project-status {
    position: absolute;
    top: 1rem;
    right: 1rem;
    padding: 0.25rem 0.75rem;
    border-radius: 12px;
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.project-status.draft {
    background: rgba(255, 193, 7, 0.2);
    color: #ffc107;
    border: 1px solid rgba(255, 193, 7, 0.3);
}

.project-status.processing {
    background: rgba(0, 229, 255, 0.2);
    color: var(--accent-cyan);
    border: 1px solid rgba(0, 229, 255, 0.3);
}

.project-status.completed {
    background: rgba(40, 167, 69, 0.2);
    color: #28a745;
    border: 1px solid rgba(40, 167, 69, 0.3);
}

.project-status.failed {
    background: rgba(220, 53, 69, 0.2);
    color: #dc3545;
    border: 1px solid rgba(220, 53, 69, 0.3);
}

.project-info {
    padding: 1.5rem;
}

.project-title {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
    line-height: 1.3;
}

.project-meta {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.project-meta-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.project-meta-item i {
    width: 16px;
    color: var(--accent-cyan);
}

.project-actions {
    display: flex;
    gap: 0.5rem;
    margin-top: 1rem;
}

.project-actions .btn {
    flex: 1;
    padding: 0.5rem 1rem;
    font-size: 0.9rem;
}

.project-actions .btn-sm {
    padding: 0.4rem 0.8rem;
    font-size: 0.8rem;
}

/* Empty Projects State */
.empty-projects {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 400px;
}

.empty-content {
    text-align: center;
    max-width: 400px;
}

.empty-icon {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--accent-pink), var(--accent-cyan));
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 2rem;
    opacity: 0.6;
}

.empty-icon i {
    font-size: 3rem;
    color: white;
}

.empty-content h3 {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 1rem;
}

.empty-content p {
    font-size: 1rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
    line-height: 1.6;
}

/* Profile Section Styles */
.profile-section {
    padding: var(--section-padding);
    min-height: 100vh;
    background: var(--bg-dark);
}

.profile-container {
    max-width: 1200px;
    margin: 0 auto;
}

.profile-header {
    text-align: center;
    margin-bottom: 3rem;
}

.profile-header h2 {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 1rem;
}

.profile-header p {
    font-size: 1.1rem;
    color: var(--text-secondary);
}

.profile-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    margin-bottom: 3rem;
}

.profile-card {
    background: var(--bg-card);
    border-radius: 16px;
    border: 1px solid var(--border-color);
    overflow: hidden;
    transition: var(--transition-smooth);
}

.profile-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem;
    border-bottom: 1px solid var(--border-color);
    background: rgba(255, 255, 255, 0.02);
}

.card-header h3 {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.card-header h3 i {
    color: var(--accent-cyan);
}

.card-content {
    padding: 1.5rem;
}

/* User Info Card */
.user-info-card {
    grid-column: 1 / -1;
}

.user-info-card .card-content {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.user-avatar {
    flex-shrink: 0;
}

.avatar-placeholder {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--accent-pink), var(--accent-cyan));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: white;
    border: 3px solid var(--border-color);
}

.user-details {
    flex: 1;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.detail-item {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.detail-item label {
    font-size: 0.9rem;
    color: var(--text-muted);
    font-weight: 500;
}

.detail-item span {
    font-size: 1rem;
    color: var(--text-primary);
    font-weight: 500;
}

.account-type {
    background: var(--accent-cyan);
    color: var(--bg-dark);
    padding: 0.25rem 0.75rem;
    border-radius: 12px;
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Statistics Card */
.stats-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

.stat-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    background: rgba(255, 255, 255, 0.02);
    border-radius: 12px;
    border: 1px solid var(--border-color);
    transition: var(--transition-fast);
}

.stat-item:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: var(--accent-cyan);
}

.stat-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    background: linear-gradient(135deg, var(--accent-pink), var(--accent-cyan));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    color: white;
}

.stat-info {
    flex: 1;
}

.stat-number {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1;
}

.stat-label {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-top: 0.25rem;
}

/* Projects Card */
.projects-list {
    min-height: 200px;
}

.empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 3rem 1rem;
    text-align: center;
    color: var(--text-muted);
}

.empty-state i {
    font-size: 3rem;
    margin-bottom: 1rem;
    opacity: 0.5;
}

.empty-state p {
    font-size: 1.1rem;
    margin-bottom: 1.5rem;
}

.project-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    background: rgba(255, 255, 255, 0.02);
    border-radius: 12px;
    border: 1px solid var(--border-color);
    margin-bottom: 1rem;
    transition: var(--transition-fast);
}

.project-item:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: var(--accent-cyan);
}

.project-icon {
    width: 40px;
    height: 40px;
    border-radius: 8px;
    background: var(--accent-cyan);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--bg-dark);
    font-size: 1rem;
}

.project-info {
    flex: 1;
}

.project-name {
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.25rem;
}

.project-meta {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

/* Settings Card */
.settings-list {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.setting-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem;
    background: rgba(255, 255, 255, 0.02);
    border-radius: 12px;
    border: 1px solid var(--border-color);
    transition: var(--transition-fast);
}

.setting-item:hover {
    background: rgba(255, 255, 255, 0.05);
}

.setting-info h4 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.25rem;
}

.setting-info p {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

/* Toggle Switch */
.toggle-switch {
    position: relative;
    display: inline-block;
    width: 50px;
    height: 24px;
}

.toggle-switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.toggle-slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: var(--border-color);
    transition: var(--transition-fast);
    border-radius: 24px;
}

.toggle-slider:before {
    position: absolute;
    content: "";
    height: 18px;
    width: 18px;
    left: 3px;
    bottom: 3px;
    background-color: white;
    transition: var(--transition-fast);
    border-radius: 50%;
}

input:checked + .toggle-slider {
    background-color: var(--accent-cyan);
}

input:checked + .toggle-slider:before {
    transform: translateX(26px);
}

/* Profile Actions */
.profile-actions {
    display: flex;
    justify-content: center;
    gap: 1rem;
    padding: 2rem;
    border-top: 1px solid var(--border-color);
    background: rgba(255, 255, 255, 0.02);
}

.btn-danger {
    background: #ff4444;
    color: white;
    border: 1px solid #ff4444;
}

.btn-danger:hover {
    background: #ff6666;
    border-color: #ff6666;
}

/* Responsive Design */
@media (max-width: 768px) {
    :root {
        --container-padding: 1rem;
        --section-padding: 2rem 0;
    }

    .hero .container {
        grid-template-columns: 1fr;
        gap: 2rem;
        text-align: center;
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .style-showcase {
        grid-template-columns: repeat(2, 1fr);
    }

    .hero-actions {
        justify-content: center;
    }

    .btn {
        padding: 0.8rem 1.5rem;
        font-size: 0.9rem;
    }

    .avatar-container {
        width: 250px;
        height: 300px;
    }

    .studio-header {
        flex-direction: column;
        align-items: stretch;
    }

    .studio-controls {
        grid-template-columns: 1fr;
        gap: 1rem;
    }

    .playback-controls {
        justify-content: center;
    }

    .speed-controls {
        justify-content: center;
    }

    .gesture-hints {
        gap: 1rem;
    }

    .export-options {
        flex-direction: column;
        align-items: center;
    }

    .footer-content {
        flex-direction: column;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }

    .style-showcase {
        grid-template-columns: 1fr;
    }

    .hero-actions {
        flex-direction: column;
        align-items: center;
    }

    /* Profile responsive */
    .profile-content {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .user-info-card .card-content {
        flex-direction: column;
        text-align: center;
        gap: 1.5rem;
    }

    .user-details {
        grid-template-columns: 1fr;
        gap: 1rem;
    }

    .stats-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }

    .profile-actions {
        flex-direction: column;
        gap: 1rem;
    }

    /* User info nav responsive */
    .user-info-nav {
        margin: 0 0.5rem;
        padding: 0.4rem 0.8rem;
    }

    .user-name-small {
        max-width: 80px;
    }

    .user-email-small {
        max-width: 80px;
    }

    /* Projects responsive */
    .projects-actions {
        flex-direction: column;
        align-items: center;
        gap: 1.5rem;
    }

    .projects-filters {
        flex-direction: column;
        width: 100%;
        max-width: 300px;
    }

    .filter-select {
        width: 100%;
    }

    .projects-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .btn {
        width: 100%;
        max-width: 300px;
    }

    .upload-panel {
        padding: 2rem 1rem;
    }

    .settings-panel {
        gap: 1.5rem;
    }

    .studio-viewport {
        height: 300px;
    }

    .avatar-container-3d {
        width: 150px;
        height: 200px;
    }
}

/* Smooth scrolling */
html {
    scroll-behavior: smooth;
}

/* Loading animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in-up {
    animation: fadeInUp 0.6s ease-out;
}

/* Glow effects */
.glow {
    box-shadow: 0 0 20px var(--hover-glow);
}

.glow-cyan {
    box-shadow: 0 0 20px var(--cyan-glow);
}

/* Authentication Modal */
.auth-modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 10000;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.auth-modal.show {
    opacity: 1;
    visibility: visible;
}

.auth-modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(10px);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
}

.auth-modal-content {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    width: 100%;
    max-width: 400px;
    max-height: 90vh;
    overflow-y: auto;
    transform: scale(0.9) translateY(20px);
    transition: transform 0.3s ease;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}

.auth-modal.show .auth-modal-content {
    transform: scale(1) translateY(0);
}

.auth-modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 2rem 2rem 1rem;
    border-bottom: 1px solid var(--border-color);
}

.auth-modal-header h2 {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0;
}

.auth-modal-close {
    background: none;
    border: none;
    color: var(--text-muted);
    font-size: 1.2rem;
    cursor: pointer;
    padding: 0.5rem;
    border-radius: 6px;
    transition: var(--transition-fast);
}

.auth-modal-close:hover {
    background: var(--bg-dark);
    color: var(--text-primary);
}

.auth-modal-body {
    padding: 2rem;
}

.auth-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-group label {
    font-weight: 500;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.form-group input {
    background: var(--bg-dark);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 0.75rem 1rem;
    color: var(--text-primary);
    font-size: 1rem;
    transition: var(--transition-fast);
}

.form-group input:focus {
    outline: none;
    border-color: var(--accent-cyan);
    box-shadow: 0 0 0 3px var(--cyan-glow);
}

.form-group input::placeholder {
    color: var(--text-muted);
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.checkbox-label input[type="checkbox"] {
    width: auto;
    margin: 0;
}

.auth-submit-btn {
    width: 100%;
    justify-content: center;
    margin-top: 1rem;
}

.auth-submit-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.auth-modal-footer {
    text-align: center;
    margin-top: 1.5rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border-color);
}

.auth-modal-footer p {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin: 0;
}

.auth-switch-btn {
    background: none;
    border: none;
    color: var(--accent-cyan);
    cursor: pointer;
    font-weight: 500;
    text-decoration: underline;
    transition: var(--transition-fast);
}

.auth-switch-btn:hover {
    color: var(--accent-pink);
}

/* 3D Viewer Styles */
.viewer-container {
    position: relative;
    width: 100%;
    height: 100%;
}

#threejs-canvas {
    width: 100%;
    height: 500px;
    border-radius: 12px;
    background: var(--bg-card);
}

.viewer-controls {
    position: absolute;
    top: 10px;
    right: 10px;
    background: rgba(30, 30, 30, 0.9);
    padding: 1rem;
    border-radius: 8px;
    backdrop-filter: blur(10px);
    border: 1px solid var(--border-color);
}

.viewer-controls .control-group {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.5rem;
}

.viewer-controls .control-group:last-child {
    margin-bottom: 0;
}

.viewer-controls label {
    font-size: 0.875rem;
    color: var(--text-secondary);
    min-width: 60px;
}

.btn-sm {
    padding: 0.25rem 0.5rem;
    font-size: 0.75rem;
    border-radius: 4px;
    background: var(--primary-purple);
    color: white;
    border: none;
    cursor: pointer;
    transition: var(--transition-fast);
}

.btn-sm:hover {
    background: var(--accent-pink);
    transform: translateY(-1px);
}

#avatarOpacity {
    width: 80px;
    -webkit-appearance: none;
    appearance: none;
    height: 4px;
    border-radius: 2px;
    background: var(--border-color);
    outline: none;
}

#avatarOpacity::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: var(--accent-cyan);
    cursor: pointer;
}

#avatarOpacity::-moz-range-thumb {
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: var(--accent-cyan);
    cursor: pointer;
    border: none;
}

/* Responsive auth modal */
@media (max-width: 480px) {
    .auth-modal-overlay {
        padding: 1rem;
    }

    .auth-modal-content {
        max-width: none;
    }

    .auth-modal-header,
    .auth-modal-body {
        padding: 1.5rem;
    }

    .viewer-controls {
        position: relative;
        top: auto;
        right: auto;
        margin-top: 1rem;
    }

    #threejs-canvas {
        height: 300px;
    }
}