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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #87CEEB 0%, #98E4D6 50%, #B0E0E6 100%);
    min-height: 100vh;
    color: #2C3E50;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

header {
    text-align: center;
    margin-bottom: 30px;
    background: rgba(255, 255, 255, 0.95);
    padding: 20px;
    border-radius: 15px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    border: 3px solid #FF6B9D;
}

header h1 {
    font-size: 2.5rem;
    margin-bottom: 10px;
    color: #FF6B9D;
    font-weight: bold;
}

header p {
    font-size: 1.1rem;
    color: #2C3E50;
}

main {
    display: grid;
    grid-template-columns: 1fr;
    gap: 20px;
}

.camera-container {
    position: relative;
    background: rgba(255, 255, 255, 0.95);
    border-radius: 15px;
    padding: 20px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 500px;
    border: 3px solid #FFD93D;
}

#canvas-container {
    position: relative;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
    width: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
}

#canvas-container canvas {
    max-width: 100%;
    height: auto;
    border-radius: 10px;
}


.controls {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-bottom: 20px;
}

.camera-controls,
.capture-controls,
.overlay-controls {
    background: rgba(255, 255, 255, 0.95);
    padding: 20px;
    border-radius: 15px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    border: 2px solid #87CEEB;
}

.camera-controls {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.capture-controls {
    display: flex;
    flex-direction: column;
    gap: 10px;
    align-items: center;
}

.capture-controls h4 {
    margin: 0 0 10px 0;
    color: #FFD93D;
    text-align: center;
    font-weight: bold;
}

.download-controls {
    background: rgba(255, 255, 255, 0.95);
    padding: 20px;
    border-radius: 15px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    display: flex;
    flex-direction: column;
    gap: 10px;
    align-items: center;
    border: 2px solid #FF6B9D;
}

.download-controls h4 {
    margin: 0 0 10px 0;
    color: #FF6B9D;
    text-align: center;
    font-weight: bold;
}

.overlay-controls {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.decoration-controls {
    background: rgba(255, 255, 255, 0.95);
    padding: 20px;
    border-radius: 15px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    border: 2px solid #FFD93D;
}

.decoration-controls h4 {
    margin: 0 0 15px 0;
    color: #FFD93D;
    text-align: center;
    font-weight: bold;
}

.decoration-buttons {
    display: flex;
    gap: 10px;
    margin-bottom: 15px;
}

.decoration-buttons .btn {
    flex: 1;
    padding: 10px 16px;
    font-size: 0.9rem;
}

.decoration-hint {
    margin: 0;
    font-size: 0.85rem;
    color: #666;
    text-align: center;
    font-style: italic;
}

.overlay-controls label {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.1rem;
    cursor: pointer;
}

.overlay-controls input[type="checkbox"] {
    width: 20px;
    height: 20px;
    accent-color: #FF6B9D;
}

.adjustment-capture-group {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.adjustment-controls {
    background: rgba(255, 255, 255, 0.95);
    padding: 20px;
    border-radius: 15px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    border: 2px solid #98E4D6;
}

.adjustment-controls h4 {
    margin: 0 0 15px 0;
    color: #2C3E50;
    text-align: center;
    font-weight: bold;
}

.slider-group {
    margin-bottom: 15px;
}

.slider-group label {
    display: block;
    margin-bottom: 5px;
    font-size: 0.9rem;
    color: #2C3E50;
    font-weight: 600;
}

.slider {
    width: 100%;
    height: 6px;
    border-radius: 3px;
    background: #e2e8f0;
    outline: none;
    opacity: 0.7;
    transition: opacity 0.2s;
    cursor: pointer;
}

.slider:hover {
    opacity: 1;
}

.slider::-webkit-slider-thumb {
    appearance: none;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: #FF6B9D;
    cursor: pointer;
    box-shadow: 0 2px 6px rgba(255, 107, 157, 0.3);
}

.slider::-moz-range-thumb {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: #FF6B9D;
    cursor: pointer;
    border: none;
    box-shadow: 0 2px 6px rgba(255, 107, 157, 0.3);
}

.btn {
    padding: 12px 24px;
    border: none;
    border-radius: 8px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-block;
    text-align: center;
}

.btn-primary {
    background: linear-gradient(45deg, #FFD93D, #FFA726);
    color: #2C3E50;
    font-weight: bold;
}

.btn-primary:hover {
    background: linear-gradient(45deg, #FFC107, #FF9800);
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(255, 217, 61, 0.4);
}

.btn-secondary {
    background: #B0E0E6;
    color: #2C3E50;
    font-weight: bold;
}

.btn-secondary:hover {
    background: #87CEEB;
    transform: translateY(-1px);
}

.btn-success {
    background: linear-gradient(45deg, #FF6B9D, #FF8FB3);
    color: white;
    font-weight: bold;
}

.btn-success:hover {
    background: linear-gradient(45deg, #FF4D8A, #FF6B9D);
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(255, 107, 157, 0.4);
}

.camera-select {
    padding: 10px;
    border: 2px solid #87CEEB;
    border-radius: 8px;
    font-size: 1rem;
    background: white;
    cursor: pointer;
}

.camera-select:focus {
    outline: none;
    border-color: #FF6B9D;
    box-shadow: 0 0 0 3px rgba(255, 107, 157, 0.1);
}

.preview-section {
    background: rgba(255, 255, 255, 0.95);
    padding: 20px;
    border-radius: 15px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    text-align: center;
}

.gallery-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
    flex-wrap: wrap;
    gap: 15px;
}

.preview-section h3 {
    margin: 0;
    color: #FF6B9D;
    font-size: 1.5rem;
    font-weight: bold;
}

@media (max-width: 768px) {
    .gallery-header {
        flex-direction: column;
        align-items: stretch;
        text-align: center;
    }
    
    .gallery-header h3 {
        margin-bottom: 10px;
    }
}

.photo-gallery {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-top: 20px;
}

.photo-item {
    background: white;
    border-radius: 10px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    overflow: hidden;
    transition: transform 0.3s ease;
}

.photo-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.photo-item img {
    width: 100%;
    height: auto;
    display: block;
}

.photo-info {
    padding: 15px;
    text-align: center;
}

.photo-info h4 {
    margin: 0 0 5px 0;
    color: #FF6B9D;
    font-size: 1rem;
    font-weight: bold;
}

.photo-info p {
    margin: 0;
    color: #2C3E50;
    font-size: 0.9rem;
}

.photo-actions {
    padding: 10px 15px;
    display: flex;
    justify-content: center;
    gap: 10px;
}

.photo-actions .btn {
    padding: 8px 16px;
    font-size: 0.9rem;
}

.no-photos {
    text-align: center;
    color: #2C3E50;
    font-style: italic;
    padding: 40px 20px;
    background: rgba(255, 255, 255, 0.5);
    border-radius: 10px;
    border: 2px dashed #87CEEB;
}

#captured-photo {
    max-width: 100%;
    width: 100%;
    height: auto;
    border-radius: 10px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
    object-fit: contain;
}

footer {
    text-align: center;
    margin-top: 30px;
    padding: 20px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 15px;
    color: #2C3E50;
    font-size: 1.1rem;
    font-weight: 500;
}

.loading {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.95);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    z-index: 1000;
}

.spinner {
    width: 50px;
    height: 50px;
    border: 5px solid #e2e8f0;
    border-top: 5px solid #FF6B9D;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-bottom: 20px;
}

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

.loading p {
    font-size: 1.2rem;
    color: #2C3E50;
    text-align: center;
}


/* Mobile Responsive Design */
@media (max-width: 768px) {
    .container {
        padding: 15px;
    }
    
    header h1 {
        font-size: 2rem;
    }
    
    header p {
        font-size: 1rem;
    }
    
    main {
        display: grid;
        grid-template-columns: 1fr;
        grid-template-rows: auto auto auto;
        gap: 20px;
    }
    
    .camera-container {
        min-height: 400px;
        padding: 15px;
        grid-column: 1;
        grid-row: 1;
    }
    
    .adjustment-capture-group {
        grid-column: 1;
        grid-row: 2;
    }
    
    .controls {
        grid-column: 1;
        grid-row: 3;
        grid-template-columns: 1fr;
    }
    
    .btn {
        padding: 10px 20px;
        font-size: 1rem;
    }
    
    .capture-controls {
        flex-direction: row;
        justify-content: space-between;
    }
    
    .overlay-controls {
        flex-direction: row;
        justify-content: space-around;
    }
}

@media (max-width: 480px) {
    header h1 {
        font-size: 1.5rem;
    }
    
    main {
        display: grid;
        grid-template-columns: 1fr;
        grid-template-rows: auto auto auto;
        gap: 15px;
    }
    
    .camera-container {
        min-height: 300px;
        padding: 10px;
        grid-column: 1;
        grid-row: 1;
    }
    
    .adjustment-capture-group {
        grid-column: 1;
        grid-row: 2;
    }
    
    .controls {
        grid-column: 1;
        grid-row: 3;
        grid-template-columns: 1fr;
    }
    
    .capture-controls {
        flex-direction: column;
        gap: 10px;
    }
    
    .overlay-controls {
        flex-direction: column;
        gap: 10px;
    }
}

/* Desktop optimizations */
@media (min-width: 1024px) {
    main {
        display: grid;
        grid-template-columns: 2fr 1fr;
        grid-template-rows: auto auto;
        gap: 20px;
        align-items: start;
    }
    
    .camera-container {
        min-height: 600px;
        grid-column: 1;
        grid-row: 1;
    }
    
    .adjustment-capture-group {
        grid-column: 2;
        grid-row: 1;
        align-self: start;
    }
    
    .controls {
        grid-column: 1 / -1;
        grid-row: 2;
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
        gap: 20px;
    }
}