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

:root {
    --blue-primary: #0066FF;
    --blue-dark: #004ACC;
    --blue-container: #2B7FD4;
    --black: #000000;
    --white: #FFFFFF;
    --gray-dark: #1a1a1a;
    --gray-mid: #333333;
}

body {
    font-family: 'Space Grotesk', sans-serif;
    background: var(--black);
    color: var(--white);
    min-height: 100vh;
    overflow-x: hidden;
}

.app-container {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Header */
.header {
    position: relative;
    padding: 2rem;
    text-align: center;
    background: linear-gradient(135deg, var(--blue-container) 0%, var(--blue-dark) 100%);
    overflow: hidden;
}

.header-content {
    position: relative;
    z-index: 2;
}

.logo {
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 700;
    text-shadow: 0 4px 20px rgba(0, 102, 255, 0.5);
    animation: logoGlow 2s ease-in-out infinite alternate;
}

@keyframes logoGlow {
    from { text-shadow: 0 4px 20px rgba(0, 102, 255, 0.3); }
    to { text-shadow: 0 4px 40px rgba(0, 102, 255, 0.8); }
}

.tagline {
    font-size: 1rem;
    opacity: 0.9;
    margin-top: 0.5rem;
    font-style: italic;
}

.plastic-overlay {
    position: absolute;
    inset: 0;
    background: 
        linear-gradient(45deg, transparent 40%, rgba(255,255,255,0.1) 45%, transparent 50%),
        linear-gradient(-45deg, transparent 40%, rgba(255,255,255,0.05) 45%, transparent 50%);
    background-size: 20px 20px;
    animation: shimmer 3s linear infinite;
    pointer-events: none;
}

@keyframes shimmer {
    0% { background-position: 0 0; }
    100% { background-position: 40px 40px; }
}

/* Main Content */
.main-content {
    flex: 1;
    padding: 2rem;
    max-width: 1200px;
    margin: 0 auto;
    width: 100%;
}

/* Input Section */
.input-section {
    animation: fadeIn 0.5s ease;
}

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

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

.input-card {
    background: var(--gray-dark);
    border-radius: 20px;
    padding: 1.5rem;
    border: 2px solid var(--gray-mid);
    transition: all 0.3s ease;
}

.input-card:hover {
    border-color: var(--blue-primary);
    box-shadow: 0 0 30px rgba(0, 102, 255, 0.2);
}

.input-card h3 {
    font-size: 1.2rem;
    margin-bottom: 1rem;
    color: var(--blue-primary);
}

/* Webcam */
.webcam-container {
    position: relative;
    aspect-ratio: 4/3;
    background: var(--black);
    border-radius: 12px;
    overflow: hidden;
}

.webcam-video {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.webcam-video.mirrored {
    transform: scaleX(-1);
}

.webcam-loading {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 0, 0, 0.8);
    color: var(--white);
    font-size: 1.1rem;
    z-index: 5;
}

.webcam-ready-indicator {
    position: absolute;
    top: 10px;
    right: 10px;
    background: rgba(0, 200, 83, 0.9);
    color: white;
    padding: 4px 10px;
    border-radius: 12px;
    font-size: 0.8rem;
    font-weight: 600;
    z-index: 6;
    animation: pulse-green 2s ease-in-out infinite;
}

@keyframes pulse-green {
    0%, 100% { box-shadow: 0 0 5px rgba(0, 200, 83, 0.5); }
    50% { box-shadow: 0 0 15px rgba(0, 200, 83, 0.8); }
}

.webcam-error {
    background: rgba(255, 68, 68, 0.2);
    border: 1px solid #ff4444;
    color: #ff6666;
    padding: 0.75rem 1rem;
    border-radius: 8px;
    margin-bottom: 1rem;
    font-size: 0.9rem;
}

.container-frame {
    position: absolute;
    inset: 10%;
    border: 4px solid var(--blue-container);
    border-radius: 15px;
    pointer-events: none;
    box-shadow: 0 0 20px rgba(43, 127, 212, 0.5);
}

.countdown {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 8rem;
    font-weight: 700;
    color: var(--white);
    background: rgba(0, 0, 0, 0.7);
    animation: pulse 1s ease;
    z-index: 10;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.2); }
}

.hidden-canvas {
    display: none;
}

.webcam-controls {
    display: flex;
    gap: 0.5rem;
    margin-top: 1rem;
    flex-wrap: wrap;
}

.webcam-controls button {
    flex: 1;
    min-width: 80px;
    padding: 0.75rem;
    border: none;
    border-radius: 10px;
    font-family: inherit;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
}

.capture-btn {
    background: var(--blue-primary);
    color: var(--white);
}

.capture-btn:hover:not(:disabled) {
    background: var(--blue-dark);
    transform: scale(1.05);
}

.capture-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.mirror-btn {
    background: var(--gray-mid);
    color: var(--white);
}

.stop-btn {
    background: #ff4444;
    color: var(--white);
}

.start-webcam-btn {
    width: 100%;
    padding: 3rem 2rem;
    background: linear-gradient(135deg, var(--blue-primary) 0%, var(--blue-dark) 100%);
    color: var(--white);
    border: none;
    border-radius: 12px;
    font-size: 1.2rem;
    font-weight: 600;
    font-family: inherit;
    cursor: pointer;
    transition: all 0.3s ease;
}

.start-webcam-btn:hover {
    transform: scale(1.02);
    box-shadow: 0 10px 30px rgba(0, 102, 255, 0.4);
}

/* Upload */
.drop-zone {
    min-height: 200px;
    border: 3px dashed var(--gray-mid);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.drop-zone:hover {
    border-color: var(--blue-primary);
    background: rgba(0, 102, 255, 0.05);
}

.drop-content {
    text-align: center;
    padding: 2rem;
}

.drop-icon {
    font-size: 4rem;
    display: block;
    margin-bottom: 1rem;
}

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

.preview-image {
    max-width: 100%;
    max-height: 300px;
    object-fit: contain;
    border-radius: 8px;
}

.clear-btn {
    width: 100%;
    margin-top: 1rem;
    padding: 0.75rem;
    background: var(--gray-mid);
    color: var(--white);
    border: none;
    border-radius: 8px;
    font-family: inherit;
    cursor: pointer;
    transition: all 0.2s ease;
}

.clear-btn:hover {
    background: #ff4444;
}

/* Customization Panel */
.customization-panel {
    background: var(--gray-dark);
    border-radius: 20px;
    padding: 2rem;
    border: 2px solid var(--gray-mid);
}

.customization-panel h2 {
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
    color: var(--blue-primary);
}

.presets {
    display: flex;
    gap: 0.75rem;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
    align-items: center;
}

.presets-label {
    color: rgba(255,255,255,0.7);
    font-size: 0.9rem;
}

.preset-btn {
    padding: 0.5rem 1rem;
    background: var(--gray-mid);
    color: var(--white);
    border: 1px solid transparent;
    border-radius: 20px;
    font-family: inherit;
    font-size: 0.85rem;
    cursor: pointer;
    transition: all 0.2s ease;
}

.preset-btn:hover {
    border-color: var(--blue-primary);
    background: rgba(0, 102, 255, 0.2);
}

.form-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin-bottom: 1.5rem;
}

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

.form-group.full-width {
    grid-column: 1 / -1;
}

.form-group label {
    font-size: 0.9rem;
    color: rgba(255,255,255,0.8);
    font-weight: 500;
}

.text-input, .select-input {
    padding: 0.75rem 1rem;
    background: var(--black);
    border: 2px solid var(--gray-mid);
    border-radius: 10px;
    color: var(--white);
    font-family: inherit;
    font-size: 1rem;
    transition: all 0.2s ease;
}

.text-input:focus, .select-input:focus {
    outline: none;
    border-color: var(--blue-primary);
    box-shadow: 0 0 15px rgba(0, 102, 255, 0.3);
}

.price-input {
    font-family: 'JetBrains Mono', monospace;
    font-weight: 700;
}

/* Stickers */
.stickers-section {
    margin-bottom: 1.5rem;
}

.stickers-section h3 {
    font-size: 1.1rem;
    margin-bottom: 1rem;
    color: rgba(255,255,255,0.9);
}

.stickers-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(90px, 1fr));
    gap: 0.75rem;
}

.sticker-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.25rem;
    padding: 0.75rem;
    background: var(--black);
    border: 2px solid var(--gray-mid);
    border-radius: 12px;
    color: var(--white);
    cursor: pointer;
    transition: all 0.2s ease;
}

.sticker-btn:hover {
    border-color: var(--blue-primary);
    transform: scale(1.05);
}

.sticker-btn.selected {
    border-color: var(--blue-primary);
    background: rgba(0, 102, 255, 0.2);
    box-shadow: 0 0 15px rgba(0, 102, 255, 0.3);
}

.sticker-emoji {
    font-size: 1.5rem;
}

.sticker-name {
    font-size: 0.7rem;
    opacity: 0.8;
}

/* Dark Humor Toggle */
.dark-humor-toggle {
    margin-bottom: 2rem;
}

.toggle-label {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    cursor: pointer;
}

.toggle-label input {
    width: 20px;
    height: 20px;
    accent-color: var(--blue-primary);
}

.toggle-text {
    font-weight: 500;
}

.toggle-desc {
    font-size: 0.8rem;
    opacity: 0.6;
}

/* Generate Button */
.generate-btn {
    width: 100%;
    padding: 1.5rem 2rem;
    background: linear-gradient(135deg, #666 0%, #444 100%);
    color: rgba(255,255,255,0.6);
    border: none;
    border-radius: 15px;
    font-family: inherit;
    font-size: 1.3rem;
    font-weight: 700;
    cursor: not-allowed;
    transition: all 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 2px;
}

.generate-btn.ready {
    background: linear-gradient(135deg, #ff4444 0%, #cc0000 100%);
    color: var(--white);
    cursor: pointer;
    box-shadow: 0 5px 30px rgba(255, 68, 68, 0.4);
    animation: ready-pulse 2s ease-in-out infinite;
}

@keyframes ready-pulse {
    0%, 100% { box-shadow: 0 5px 30px rgba(255, 68, 68, 0.4); }
    50% { box-shadow: 0 5px 50px rgba(255, 68, 68, 0.7); }
}

.generate-btn.ready:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 40px rgba(255, 68, 68, 0.6);
}

.generate-btn:disabled {
    opacity: 0.7;
    cursor: not-allowed;
    transform: none;
    animation: none;
}

/* Generating Section */
.generating-section {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 60vh;
}

.vacuum-animation {
    text-align: center;
}

.vacuum-container {
    width: 200px;
    height: 250px;
    margin: 0 auto 2rem;
    background: var(--blue-container);
    border-radius: 20px;
    position: relative;
    overflow: hidden;
}

.vacuum-wrap {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        45deg,
        transparent 0%,
        rgba(255,255,255,0.3) 25%,
        transparent 50%,
        rgba(255,255,255,0.2) 75%,
        transparent 100%
    );
    animation: wrapShrink 2s ease-in-out infinite;
}

@keyframes wrapShrink {
    0%, 100% { 
        transform: scale(1);
        opacity: 0.5;
    }
    50% { 
        transform: scale(0.95);
        opacity: 1;
    }
}

.vacuum-animation h2 {
    font-size: 2rem;
    margin-bottom: 0.5rem;
}

.vacuum-animation p {
    opacity: 0.7;
    margin-bottom: 2rem;
}

.progress-bar {
    width: 300px;
    max-width: 100%;
    height: 8px;
    background: var(--gray-mid);
    border-radius: 4px;
    overflow: hidden;
    margin: 0 auto;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--blue-primary), var(--blue-dark));
    animation: progress 3s ease-in-out infinite;
}

@keyframes progress {
    0% { width: 0%; }
    50% { width: 80%; }
    100% { width: 100%; }
}

/* Result Section */
.result-section {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 60vh;
    animation: fadeIn 0.5s ease;
}

.result-modal {
    text-align: center;
    max-width: 500px;
    width: 100%;
}

.result-image {
    width: 100%;
    max-height: 70vh;
    object-fit: contain;
    border-radius: 20px;
    box-shadow: 0 20px 60px rgba(0, 102, 255, 0.3);
    margin-bottom: 2rem;
}

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

.action-btn {
    flex: 1;
    min-width: 120px;
    padding: 1rem 1.5rem;
    border: none;
    border-radius: 12px;
    font-family: inherit;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
}

.download-btn {
    background: var(--blue-primary);
    color: var(--white);
}

.share-btn {
    background: #1DA1F2;
    color: var(--white);
}

.reset-btn {
    background: var(--gray-mid);
    color: var(--white);
}

.action-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 20px rgba(0,0,0,0.3);
}

/* Gallery */
.gallery-section {
    margin-top: 3rem;
    padding-top: 2rem;
    border-top: 1px solid var(--gray-mid);
}

.gallery-section h2 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
    color: rgba(255,255,255,0.8);
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
    gap: 1rem;
}

.gallery-item {
    aspect-ratio: 3/4;
    object-fit: cover;
    border-radius: 10px;
    cursor: pointer;
    transition: all 0.2s ease;
    border: 2px solid transparent;
}

.gallery-item:hover {
    border-color: var(--blue-primary);
    transform: scale(1.05);
}

/* Footer */
.footer {
    padding: 2rem;
    text-align: center;
    background: var(--gray-dark);
    border-top: 1px solid var(--gray-mid);
}

.footer p {
    margin-bottom: 0.5rem;
}

.footer a {
    color: var(--blue-primary);
    text-decoration: none;
    font-weight: 600;
}

.footer a:hover {
    text-decoration: underline;
}

.disclaimer {
    font-size: 0.8rem;
    opacity: 0.5;
    font-style: italic;
}

/* Responsive */
@media (max-width: 768px) {
    .main-content {
        padding: 1rem;
    }
    
    .input-grid {
        grid-template-columns: 1fr;
    }
    
    .customization-panel {
        padding: 1.5rem;
    }
    
    .form-grid {
        grid-template-columns: 1fr;
    }
    
    .stickers-grid {
        grid-template-columns: repeat(4, 1fr);
    }
    
    .generate-btn {
        font-size: 1.2rem;
        padding: 1.25rem;
    }
    
    .result-actions {
        flex-direction: column;
    }
    
    .action-btn {
        width: 100%;
    }
}