/* Animation Studio - Styles */

:root {
    --bg-primary: #0a0a0f;
    --bg-secondary: #12121a;
    --bg-tertiary: #1a1a25;
    --accent: #6366f1;
    --accent-hover: #818cf8;
    --accent-glow: rgba(99, 102, 241, 0.3);
    --text-primary: #f0f0f5;
    --text-secondary: #9090a0;
    --border: #2a2a35;
    --success: #10b981;
    --error: #ef4444;
    --radius: 12px;
    --radius-sm: 8px;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    min-height: 100vh;
    line-height: 1.6;
}

.container {
    max-width: 900px;
    margin: 0 auto;
    padding: 2rem;
}

/* Header */
header {
    text-align: center;
    margin-bottom: 3rem;
}

header h1 {
    font-size: 2.5rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--accent) 0%, #a855f7 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.subtitle {
    color: var(--text-secondary);
    margin-top: 0.5rem;
}

/* Header Navigation */
.header-nav {
    display: flex;
    gap: 0.75rem;
    justify-content: center;
    margin-top: 1rem;
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.9rem;
    padding: 0.5rem 1rem;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    transition: all 0.2s ease;
}

.nav-link:hover {
    border-color: var(--accent);
    color: var(--text-primary);
}

.nav-link.primary {
    background: linear-gradient(135deg, var(--accent) 0%, #a855f7 100%);
    border: none;
    color: white;
    font-weight: 600;
}

.nav-link.primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px var(--accent-glow);
}

.editor-link {
    display: inline-block;
    margin-top: 0.75rem;
    color: var(--accent);
    text-decoration: none;
    font-size: 0.9rem;
    padding: 0.5rem 1rem;
    border: 1px solid var(--accent);
    border-radius: var(--radius-sm);
    transition: all 0.2s ease;
}

.editor-link:hover {
    background: var(--accent);
    color: white;
}

/* Sections */
section {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.5rem;
    margin-bottom: 1.5rem;
}

section h2 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text-secondary);
}

/* Dropzone */
.dropzone {
    border: 2px dashed var(--border);
    border-radius: var(--radius);
    padding: 3rem 2rem;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
}

.dropzone:hover,
.dropzone.dragover {
    border-color: var(--accent);
    background: var(--accent-glow);
}

.upload-icon {
    width: 48px;
    height: 48px;
    color: var(--text-secondary);
    margin-bottom: 1rem;
}

.dropzone p {
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
}

.hint {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

/* Preview */
.preview-container {
    position: relative;
    display: inline-block;
    width: 100%;
    text-align: center;
}

.preview-container img {
    max-width: 100%;
    max-height: 300px;
    border-radius: var(--radius);
    border: 1px solid var(--border);
}

.btn-clear {
    position: absolute;
    top: -10px;
    right: -10px;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    border: none;
    background: var(--error);
    color: white;
    font-size: 1.2rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Settings */
.setting-group {
    margin-bottom: 1.25rem;
}

.setting-group label {
    display: block;
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
}

/* Preset Buttons */
.preset-buttons,
.format-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.preset-btn,
.format-btn {
    padding: 0.5rem 1rem;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    background: var(--bg-tertiary);
    color: var(--text-primary);
    cursor: pointer;
    transition: all 0.2s ease;
    font-size: 0.9rem;
}

.preset-btn:hover,
.format-btn:hover {
    border-color: var(--accent);
}

.preset-btn.active,
.format-btn.active {
    background: var(--accent);
    border-color: var(--accent);
    color: white;
}

/* Range Sliders */
input[type="range"] {
    width: 100%;
    height: 6px;
    border-radius: 3px;
    background: var(--bg-tertiary);
    appearance: none;
    cursor: pointer;
}

input[type="range"]::-webkit-slider-thumb {
    appearance: none;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: var(--accent);
    cursor: pointer;
}

/* Generate Button */
.btn-generate {
    width: 100%;
    padding: 1rem 2rem;
    border: none;
    border-radius: var(--radius);
    background: linear-gradient(135deg, var(--accent) 0%, #a855f7 100%);
    color: white;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    margin-top: 1rem;
}

.btn-generate:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px var(--accent-glow);
}

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

.btn-loading {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.spinner {
    width: 20px;
    height: 20px;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Result Section */
.result-container {
    text-align: center;
    margin-bottom: 1rem;
}

.result-container video,
.result-container img {
    max-width: 100%;
    max-height: 400px;
    border-radius: var(--radius);
}

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

.btn-download {
    padding: 0.75rem 1.5rem;
    background: var(--success);
    color: white;
    border-radius: var(--radius-sm);
    text-decoration: none;
    font-weight: 600;
}

.btn-secondary {
    padding: 0.75rem 1.5rem;
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    color: var(--text-primary);
    border-radius: var(--radius-sm);
    cursor: pointer;
}

.result-info {
    font-size: 0.85rem;
    color: var(--text-secondary);
    text-align: center;
}

/* Gallery */
.gallery {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    gap: 1rem;
}

.gallery-empty {
    grid-column: 1 / -1;
    text-align: center;
    color: var(--text-secondary);
    padding: 2rem;
}

.gallery-item {
    position: relative;
    aspect-ratio: 16/9;
    border-radius: var(--radius-sm);
    overflow: hidden;
    cursor: pointer;
    border: 1px solid var(--border);
}

.gallery-item video,
.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.gallery-item:hover .gallery-overlay {
    opacity: 1;
}

.gallery-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    opacity: 0;
    transition: opacity 0.2s ease;
}

.gallery-overlay button {
    padding: 0.5rem;
    border: none;
    border-radius: var(--radius-sm);
    background: var(--bg-tertiary);
    color: var(--text-primary);
    cursor: pointer;
}

/* Toast */
.toast {
    position: fixed;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%) translateY(100px);
    padding: 1rem 2rem;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    color: var(--text-primary);
    opacity: 0;
    transition: all 0.3s ease;
    z-index: 1000;
}

.toast.show {
    transform: translateX(-50%) translateY(0);
    opacity: 1;
}

.toast.error {
    border-color: var(--error);
}

.toast.success {
    border-color: var(--success);
}

/* Mode Toggle */
.mode-toggle {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 1.25rem;
    align-items: center;
}

.mode-btn {
    padding: 0.5rem 1rem;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    background: var(--bg-tertiary);
    color: var(--text-primary);
    cursor: pointer;
    transition: all 0.2s ease;
    font-size: 0.9rem;
}

.mode-btn:hover {
    border-color: var(--accent);
}

.mode-btn.active {
    background: var(--accent);
    border-color: var(--accent);
    color: white;
}

.ai-status {
    margin-left: auto;
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.ai-status.online {
    color: var(--success);
}

.ai-status.offline {
    color: var(--error);
}

/* AI Prompt Section */
.ai-prompt-section {
    margin-bottom: 1.25rem;
}

.ai-prompt-section textarea {
    width: 100%;
    min-height: 100px;
    padding: 1rem;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    background: var(--bg-tertiary);
    color: var(--text-primary);
    font-family: inherit;
    font-size: 1rem;
    resize: vertical;
    transition: border-color 0.2s ease;
}

.ai-prompt-section textarea:focus {
    outline: none;
    border-color: var(--accent);
}

.ai-prompt-section textarea::placeholder {
    color: var(--text-secondary);
}

.ai-interpretation {
    margin-top: 0.75rem;
    padding: 0.75rem 1rem;
    background: var(--bg-tertiary);
    border-radius: var(--radius-sm);
    border-left: 3px solid var(--accent);
}

.ai-interpretation .label {
    color: var(--accent);
    font-weight: 600;
    margin-right: 0.5rem;
}

.ai-interpretation .value {
    color: var(--text-primary);
}

/* Footer */
footer {
    text-align: center;
    padding: 2rem;
    color: var(--text-secondary);
    font-size: 0.85rem;
}

/* Responsive */
@media (max-width: 600px) {
    .container {
        padding: 1rem;
    }

    header h1 {
        font-size: 1.8rem;
    }

    .preset-buttons {
        flex-wrap: wrap;
    }

    .preset-btn {
        flex: 1 1 calc(50% - 0.5rem);
    }
}