:root {
    --cyber-primary: #00ffff;
    --cyber-secondary: #ff00ff;
    --cyber-accent: #ffff00;
    --cyber-bg: #0a0a0f;
    --cyber-panel: #1a1a2e;
    --cyber-border: #16213e;
    --cyber-text: #e0e0e0;
    --cyber-text-dim: #a0a0a0;
    --cyber-gradient: linear-gradient(135deg, var(--cyber-primary), var(--cyber-secondary));
}

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

body {
    font-family: 'Rajdhani', sans-serif;
    background: var(--cyber-bg);
    color: var(--cyber-text);
    min-height: 100vh;
    overflow-x: hidden;
    background-image: 
        radial-gradient(circle at 20% 80%, rgba(120, 119, 198, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(255, 119, 198, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 40% 40%, rgba(120, 219, 226, 0.1) 0%, transparent 50%);
}

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

.header {
    padding: 1rem 2rem;
    background: linear-gradient(90deg, var(--cyber-panel), rgba(26, 26, 46, 0.8));
    border-bottom: 2px solid var(--cyber-border);
    position: relative;
    overflow: hidden;
}

.header::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(0, 255, 255, 0.1), transparent);
    animation: scan 3s linear infinite;
}

@keyframes scan {
    0% { left: -100%; }
    100% { left: 100%; }
}

.logo {
    font-family: 'Orbitron', monospace;
    font-size: clamp(1.5rem, 4vw, 2.5rem);
    font-weight: 900;
    background: var(--cyber-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-shadow: 0 0 20px rgba(0, 255, 255, 0.3);
    position: relative;
    z-index: 1;
}

.subtitle {
    font-size: 0.8rem;
    letter-spacing: 0.2em;
    color: var(--cyber-text-dim);
    margin-top: -0.5rem;
}

.controls-panel {
    padding: 2rem;
    background: rgba(26, 26, 46, 0.6);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--cyber-border);
}

.input-group {
    display: flex;
    gap: 1rem;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
}

.input-container {
    display: flex;
    flex: 1;
    min-width: 300px;
    position: relative;
}

.prompt-input {
    flex: 1;
    padding: 1rem 1.5rem;
    background: rgba(16, 21, 62, 0.8);
    border: 2px solid var(--cyber-border);
    border-radius: 8px;
    color: var(--cyber-text);
    font-size: 1rem;
    font-family: inherit;
    transition: all 0.3s ease;
    outline: none;
}

.prompt-input:focus {
    border-color: var(--cyber-primary);
    box-shadow: 0 0 20px rgba(0, 255, 255, 0.2);
}

.magic-button {
    background: linear-gradient(135deg, #ff6b6b, #ffd93d);
    border: none;
    border-radius: 8px;
    width: 50px;
    height: 50px;
    margin-left: 0.5rem;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.magic-button:hover {
    transform: scale(1.1);
    box-shadow: 0 0 25px rgba(255, 107, 107, 0.4);
}

.magic-button:hover .wand-icon {
    transform: scale(1.2) rotate(10deg);
}

.magic-button.enhancing .wand-icon {
    animation: sparkle 1.5s ease-in-out infinite;
}

.wand-icon {
    font-size: 1.2rem;
    transition: transform 0.3s ease;
}

@keyframes sparkle {
    0%, 100% { transform: rotate(0deg) scale(1); }
    50% { transform: rotate(15deg) scale(1.25); }
}

.generate-button {
    position: relative;
    background: transparent;
    border: 2px solid var(--cyber-primary);
    border-radius: 8px;
    padding: 1rem 2rem;
    color: var(--cyber-primary);
    font-family: 'Orbitron', monospace;
    font-weight: 700;
    font-size: 1rem;
    cursor: pointer;
    overflow: hidden;
    transition: all 0.3s ease;
    min-width: 150px;
}

.generate-button:hover {
    color: var(--cyber-bg);
    transform: translateY(-2px);
}

.btn-glow {
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: var(--cyber-gradient);
    transition: left 0.3s ease;
    z-index: -1;
}

.generate-button:hover .btn-glow {
    left: 0;
}

.options-panel {
    display: flex;
    gap: 1.5rem;
    flex-wrap: wrap;
    align-items: center;
}

.option-group {
    display: flex;
    flex-direction: row;
    gap: 0.5rem;
    align-items: center;
}

.option-group label {
    font-size: 0.8rem;
    color: var(--cyber-text-dim);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    white-space: nowrap;
    margin: 0;
}

.cyber-select {
    background: rgba(16, 21, 62, 0.8);
    border: 1px solid var(--cyber-border);
    border-radius: 4px;
    padding: 0.5rem;
    color: var(--cyber-text);
    font-family: inherit;
    outline: none;
    font-size: 0.8rem;
}

.cyber-select:focus {
    border-color: var(--cyber-primary);
}

.export-button, .clear-button {
    background: rgba(255, 0, 255, 0.1);
    border: 1px solid var(--cyber-secondary);
    border-radius: 4px;
    padding: 0.5rem 0.8rem;
    color: var(--cyber-secondary);
    font-family: inherit;
    cursor: pointer;
    transition: all 0.3s ease;
    margin: 0;
    font-size: 0.8rem;
}

.export-button:hover, .clear-button:hover {
    background: rgba(255, 0, 255, 0.2);
    transform: translateY(-1px);
}

.image-button {
    background: linear-gradient(135deg, #6c5ce7, #a29bfe);
    border: none;
    border-radius: 8px;
    width: 50px;
    height: 50px;
    margin-right: 0.5rem;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.image-button:hover {
    transform: scale(1.1);
    box-shadow: 0 0 25px rgba(108, 92, 231, 0.4);
}

.camera-icon {
    font-size: 1.2rem;
}

.gallery-container {
    flex: 1;
    padding: 2rem;
    display: flex;
    flex-direction: column;
}

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

.gallery-header h2 {
    font-family: 'Orbitron', monospace;
    color: var(--cyber-primary);
    font-size: 1.5rem;
}

.gallery-count {
    color: var(--cyber-text-dim);
    font-size: 0.9rem;
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 0;
    flex: 1;
    align-content: start;
}

.sprite-image {
    width: 100%;
    height: 100%;
    aspect-ratio: 1 / 1;
    object-fit: contain;
    background: rgba(0, 0, 0, 0.3);
    image-rendering: pixelated;
    transition: all 0.3s ease;
    cursor: pointer;
    margin: 0;
    padding: 0;
    border: none;
    display: block;
}

.sprite-image:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 25px rgba(0, 255, 255, 0.1);
}

.sprite-image.dragging {
    opacity: 0.5;
    transform: scale(0.95);
}

.sprite-image.drag-over {
    border: 2px solid var(--cyber-primary);
    box-shadow: 0 0 20px rgba(0, 255, 255, 0.3);
}

.sprite-info {
    display: none;
}

.sprite-prompt {
    font-size: 0.8rem;
    color: var(--cyber-text-dim);
    margin-bottom: 0.5rem;
    line-height: 1.3;
}

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

.export-btn, .delete-btn {
    flex: 1;
    padding: 0.5rem;
    border: 1px solid;
    border-radius: 4px;
    background: transparent;
    font-size: 0.7rem;
    cursor: pointer;
    transition: all 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.export-btn {
    border-color: var(--cyber-primary);
    color: var(--cyber-primary);
}

.export-btn:hover {
    background: rgba(0, 255, 255, 0.1);
}

.delete-btn {
    border-color: #ff4757;
    color: #ff4757;
}

.delete-btn:hover {
    background: rgba(255, 71, 87, 0.1);
}

.modal-reroll-btn {
    padding: 0.8rem 1.5rem;
    border: 2px solid var(--cyber-accent);
    border-radius: 6px;
    background: transparent;
    font-size: 0.9rem;
    cursor: pointer;
    transition: all 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-family: 'Orbitron', monospace;
    font-weight: 600;
    color: var(--cyber-accent);
}

.modal-reroll-btn:hover {
    background: rgba(255, 255, 0, 0.1);
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(255, 255, 0, 0.2);
}

.modal-reroll-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(10, 10, 15, 0.9);
    display: none;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    z-index: 1000;
}

.loading-overlay.active {
    display: flex;
}

.loading-spinner {
    width: 60px;
    height: 60px;
    border: 3px solid rgba(0, 255, 255, 0.1);
    border-top: 3px solid var(--cyber-primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-bottom: 1rem;
}

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

.loading-text {
    color: var(--cyber-primary);
    font-family: 'Orbitron', monospace;
    font-weight: 600;
    letter-spacing: 0.1em;
}

.loading-cancel-btn {
    margin-top: 1.5rem;
    padding: 0.8rem 1.5rem;
    border: 2px solid #ff4757;
    border-radius: 6px;
    background: transparent;
    color: #ff4757;
    font-family: 'Orbitron', monospace;
    font-weight: 600;
    font-size: 0.9rem;
    cursor: pointer;
    transition: all 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    display: none;
}

.loading-cancel-btn:hover {
    background: rgba(255, 71, 87, 0.1);
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(255, 71, 87, 0.2);
}

.loading-cancel-btn.show {
    display: block;
}

.image-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(0, 0, 0, 0.95);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 2000;
    backdrop-filter: blur(10px);
}

.image-modal.active {
    display: flex;
}

.image-modal.fullscreen {
    align-items: center;
    justify-content: center;
}

.image-modal.fullscreen .modal-image {
    max-width: 100vw;
    height: 100vh;
    width: auto;
    object-fit: contain;
}

.image-modal.fullscreen .modal-controls {
    display: none;
}

.modal-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    max-width: 90vw;
    max-height: 90vh;
    position: relative;
}

.modal-image {
    max-width: 80vw;
    max-height: 70vh;
    image-rendering: pixelated;
    image-rendering: -moz-crisp-edges;
    image-rendering: crisp-edges;
    cursor: pointer;
    border: 2px solid var(--cyber-primary);
    border-radius: 8px;
    background: rgba(0, 0, 0, 0.3);
}

.modal-controls {
    margin-top: 2rem;
    text-align: center;
    max-width: 80vw;
}

.modal-prompt {
    color: var(--cyber-text);
    font-size: 1rem;
    margin-bottom: 1rem;
    line-height: 1.4;
    background: rgba(26, 26, 46, 0.8);
    padding: 1rem;
    border-radius: 8px;
    border: 1px solid var(--cyber-border);
    cursor: pointer;
    transition: all 0.3s ease;
}

.modal-prompt:hover {
    border-color: var(--cyber-primary);
    background: rgba(26, 26, 46, 0.9);
    transform: translateY(-2px);
}

.modal-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
}

.modal-export-btn, .modal-delete-btn {
    padding: 0.8rem 1.5rem;
    border: 2px solid;
    border-radius: 6px;
    background: transparent;
    font-size: 0.9rem;
    cursor: pointer;
    transition: all 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-family: 'Orbitron', monospace;
    font-weight: 600;
}

.modal-export-btn {
    border-color: var(--cyber-primary);
    color: var(--cyber-primary);
}

.modal-export-btn:hover {
    background: rgba(0, 255, 255, 0.1);
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(0, 255, 255, 0.2);
}

.modal-delete-btn {
    border-color: #ff4757;
    color: #ff4757;
}

.modal-delete-btn:hover {
    background: rgba(255, 71, 87, 0.1);
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(255, 71, 87, 0.2);
}

.modal-fullscreen-btn {
    padding: 0.8rem 1.5rem;
    border: 2px solid var(--cyber-accent);
    border-radius: 6px;
    background: transparent;
    font-size: 0.9rem;
    cursor: pointer;
    transition: all 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-family: 'Orbitron', monospace;
    font-weight: 600;
    color: var(--cyber-accent);
}

.modal-fullscreen-btn:hover {
    background: rgba(255, 255, 0, 0.1);
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(255, 255, 0, 0.2);
}

/* Responsive Design */
@media (max-width: 768px) {
    .controls-panel {
        padding: 1rem;
    }
    
    .input-group {
        flex-direction: column;
    }
    
    .input-container {
        min-width: auto;
    }
    
    .options-panel {
        flex-direction: row;
        align-items: center;
        justify-content: space-between;
        gap: 1rem;
        flex-wrap: wrap;
    }
    
    .option-group {
        flex-direction: row;
        align-items: center;
        gap: 0.5rem;
    }
    
    .gallery-grid {
        grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
        gap: 0;
    }
    
    .gallery-container {
        padding: 1rem;
    }
}

@media (min-width: 1920px) {
    .gallery-grid {
        grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    }
}