/* === AI Shorts Maker - Dark Theme === */
:root {
    --bg-primary: #0f0f0f;
    --bg-secondary: #1a1a2e;
    --bg-card: #16213e;
    --bg-input: #0f3460;
    --text-primary: #e0e0e0;
    --text-secondary: #a0a0b0;
    --accent: #e94560;
    --accent-hover: #ff6b81;
    --success: #00c853;
    --warning: #ffc107;
    --error: #ff5252;
    --info: #448aff;
    --border: #2a2a4a;
    --shadow: rgba(0,0,0,0.4);
}

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

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

a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--accent-hover); }

/* Navbar */
.navbar {
    background: var(--bg-secondary);
    padding: 0 2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 60px;
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 100;
}
.nav-brand a {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--accent);
    letter-spacing: -0.5px;
}
.nav-links { display: flex; gap: 1.5rem; }
.nav-link {
    color: var(--text-secondary);
    font-size: 0.9rem;
    transition: color 0.2s;
}
.nav-link:hover { color: var(--text-primary); }

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
}

/* Flash Messages */
.flash-messages { margin-bottom: 1.5rem; }
.flash {
    padding: 0.8rem 1.2rem;
    border-radius: 8px;
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
}
.flash-error { background: rgba(255,82,82,0.15); border: 1px solid var(--error); color: var(--error); }
.flash-success { background: rgba(0,200,83,0.15); border: 1px solid var(--success); color: var(--success); }
.flash-info { background: rgba(68,138,255,0.15); border: 1px solid var(--info); color: var(--info); }

/* Cards */
.card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    box-shadow: 0 4px 12px var(--shadow);
}
.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
    padding-bottom: 0.8rem;
    border-bottom: 1px solid var(--border);
}
.card-title {
    font-size: 1.1rem;
    font-weight: 600;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.6rem 1.2rem;
    border: none;
    border-radius: 8px;
    font-size: 0.85rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
    color: #fff;
}
.btn:hover { transform: translateY(-1px); box-shadow: 0 4px 12px var(--shadow); }
.btn:active { transform: translateY(0); }
.btn:disabled { opacity: 0.5; cursor: not-allowed; transform: none; }

.btn-primary { background: var(--accent); }
.btn-primary:hover { background: var(--accent-hover); }
.btn-success { background: var(--success); }
.btn-warning { background: var(--warning); color: #000; }
.btn-danger { background: var(--error); }
.btn-info { background: var(--info); }
.btn-sm { padding: 0.35rem 0.8rem; font-size: 0.8rem; }
.btn-outline {
    background: transparent;
    border: 1px solid var(--border);
    color: var(--text-secondary);
}
.btn-outline:hover { border-color: var(--accent); color: var(--accent); }

/* Forms */
.form-group {
    margin-bottom: 1.2rem;
}
.form-label {
    display: block;
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: 0.4rem;
    font-weight: 500;
}
.form-input, .form-select, .form-textarea {
    width: 100%;
    padding: 0.7rem 1rem;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: 8px;
    color: var(--text-primary);
    font-size: 0.9rem;
    transition: border-color 0.2s;
}
.form-input:focus, .form-select:focus, .form-textarea:focus {
    outline: none;
    border-color: var(--accent);
}
.form-textarea {
    min-height: 150px;
    resize: vertical;
    font-family: inherit;
}
.form-select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23a0a0b0' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    padding-right: 2.5rem;
}

/* Grid */
.grid { display: grid; gap: 1.5rem; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
@media (max-width: 768px) {
    .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
}

/* Status Badges */
.badge {
    display: inline-block;
    padding: 0.2rem 0.6rem;
    border-radius: 12px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
}
.badge-draft { background: rgba(160,160,176,0.2); color: var(--text-secondary); }
.badge-scenes_ready { background: rgba(68,138,255,0.2); color: var(--info); }
.badge-images_ready { background: rgba(255,193,7,0.2); color: var(--warning); }
.badge-videos_ready { background: rgba(233,69,96,0.2); color: var(--accent); }
.badge-narration_ready { background: rgba(156,39,176,0.2); color: #ce93d8; }
.badge-assembled { background: rgba(0,200,83,0.2); color: var(--success); }
.badge-error { background: rgba(255,82,82,0.2); color: var(--error); }
.badge-pending { background: rgba(160,160,176,0.2); color: var(--text-secondary); }
.badge-running { background: rgba(68,138,255,0.2); color: var(--info); }
.badge-completed { background: rgba(0,200,83,0.2); color: var(--success); }
.badge-failed { background: rgba(255,82,82,0.2); color: var(--error); }

/* Tables */
.table-wrap { overflow-x: auto; }
table {
    width: 100%;
    border-collapse: collapse;
}
th, td {
    padding: 0.7rem 1rem;
    text-align: left;
    border-bottom: 1px solid var(--border);
    font-size: 0.9rem;
}
th {
    color: var(--text-secondary);
    font-weight: 600;
    font-size: 0.8rem;
    text-transform: uppercase;
}
tr:hover { background: rgba(255,255,255,0.02); }

/* Pipeline Stepper */
.stepper {
    display: flex;
    justify-content: space-between;
    margin: 2rem 0;
    position: relative;
}
.stepper::before {
    content: '';
    position: absolute;
    top: 20px;
    left: 5%;
    right: 5%;
    height: 2px;
    background: var(--border);
}
.step {
    display: flex;
    flex-direction: column;
    align-items: center;
    position: relative;
    z-index: 1;
    flex: 1;
}
.step-circle {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--bg-secondary);
    border: 2px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.85rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    transition: all 0.3s;
}
.step.active .step-circle {
    border-color: var(--accent);
    background: var(--accent);
    color: #fff;
}
.step.done .step-circle {
    border-color: var(--success);
    background: var(--success);
    color: #fff;
}
.step-label {
    font-size: 0.75rem;
    color: var(--text-secondary);
    text-align: center;
}
.step.active .step-label { color: var(--accent); font-weight: 600; }
.step.done .step-label { color: var(--success); }

/* Scene Cards */
.scene-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    overflow: hidden;
    transition: border-color 0.2s;
}
.scene-card:hover { border-color: var(--accent); }
.scene-card-header {
    padding: 0.8rem 1rem;
    background: rgba(0,0,0,0.2);
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-weight: 600;
    font-size: 0.9rem;
}
.scene-card-body { padding: 1rem; }
.scene-image {
    width: 100%;
    aspect-ratio: 9/16;
    object-fit: cover;
    border-radius: 8px;
    background: var(--bg-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    font-size: 0.85rem;
    margin-bottom: 0.8rem;
    overflow: hidden;
}
.scene-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.scene-text {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
}
.scene-prompt {
    font-size: 0.75rem;
    color: var(--text-secondary);
    opacity: 0.7;
    max-height: 60px;
    overflow: hidden;
}

/* Upload Zone */
.upload-zone {
    border: 2px dashed var(--border);
    border-radius: 12px;
    padding: 2rem;
    text-align: center;
    cursor: pointer;
    transition: all 0.2s;
    color: var(--text-secondary);
}
.upload-zone:hover, .upload-zone.dragover {
    border-color: var(--accent);
    background: rgba(233,69,96,0.05);
    color: var(--accent);
}

/* Progress Bar */
.progress-bar {
    height: 6px;
    background: var(--border);
    border-radius: 3px;
    overflow: hidden;
    margin: 0.5rem 0;
}
.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--accent), var(--accent-hover));
    border-radius: 3px;
    transition: width 0.5s ease;
}

/* Status Indicator (dot) */
.status-dot {
    display: inline-block;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    margin-right: 0.3rem;
}
.status-dot.active { background: var(--success); box-shadow: 0 0 6px var(--success); }
.status-dot.inactive { background: var(--error); }
.status-dot.unknown { background: var(--text-secondary); }

/* Spinner */
.spinner {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 2px solid var(--border);
    border-top-color: var(--accent);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* Modal */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.7);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 1000;
}
.modal-overlay.active { display: flex; }
.modal {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 2rem;
    max-width: 600px;
    width: 90%;
    max-height: 80vh;
    overflow-y: auto;
}
.modal-title {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 1rem;
}
.modal-actions {
    display: flex;
    gap: 0.8rem;
    justify-content: flex-end;
    margin-top: 1.5rem;
}

/* Login Page */
.login-wrapper {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
}
.login-box {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 3rem;
    width: 380px;
    text-align: center;
}
.login-box h1 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
    color: var(--accent);
}
.login-box p {
    color: var(--text-secondary);
    margin-bottom: 2rem;
    font-size: 0.9rem;
}
.login-box .form-input {
    text-align: center;
    font-size: 1.1rem;
    letter-spacing: 2px;
}
.login-box .btn { width: 100%; justify-content: center; margin-top: 1rem; }

/* API Key Management */
.api-key-section {
    margin-bottom: 2rem;
}
.api-key-section h3 {
    font-size: 1rem;
    margin-bottom: 1rem;
    color: var(--accent);
}
.api-key-row {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    padding: 0.8rem 1rem;
    background: rgba(0,0,0,0.15);
    border-radius: 8px;
    margin-bottom: 0.5rem;
}
.api-key-name {
    min-width: 120px;
    font-weight: 500;
    font-size: 0.9rem;
}
.api-key-value {
    flex: 1;
    font-family: monospace;
    font-size: 0.85rem;
    color: var(--text-secondary);
}
.api-key-actions { display: flex; gap: 0.4rem; }

/* Toggle Switch */
.toggle {
    position: relative;
    width: 44px;
    height: 24px;
}
.toggle input { display: none; }
.toggle-slider {
    position: absolute;
    inset: 0;
    background: var(--border);
    border-radius: 12px;
    cursor: pointer;
    transition: background 0.3s;
}
.toggle-slider::before {
    content: '';
    position: absolute;
    width: 18px;
    height: 18px;
    left: 3px;
    bottom: 3px;
    background: white;
    border-radius: 50%;
    transition: transform 0.3s;
}
.toggle input:checked + .toggle-slider { background: var(--success); }
.toggle input:checked + .toggle-slider::before { transform: translateX(20px); }

/* Media Preview */
.media-preview {
    max-width: 100%;
    border-radius: 8px;
    background: #000;
}
video.media-preview {
    max-height: 400px;
}

/* Page Header */
.page-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
}
.page-title {
    font-size: 1.5rem;
    font-weight: 700;
}
.page-subtitle {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-top: 0.3rem;
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: 4rem 2rem;
    color: var(--text-secondary);
}
.empty-state p {
    font-size: 1.1rem;
    margin-bottom: 1.5rem;
}

/* Utility */
.text-center { text-align: center; }
.text-right { text-align: right; }
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.flex { display: flex; }
.flex-between { display: flex; justify-content: space-between; align-items: center; }
.gap-1 { gap: 0.5rem; }
.gap-2 { gap: 1rem; }