/* =============================================================================
   FREE AI VIDEO & IMAGE GENERATOR — DevSuite Custom Styling
   ============================================================================= */

:root {
    --studio-bg: rgba(15, 23, 42, 0.6);
    --panel-bg: #0f172a;
    --card-bg: #1e293b;
    --card-hover: #334155;
    --border-color: rgba(255, 255, 255, 0.1);
    --accent-purple: #8b5cf6;
    --accent-pink: #ec4899;
    --accent-cyan: #06b6d4;
    --accent-green: #10b981;
    --gradient-primary: linear-gradient(135deg, #8b5cf6 0%, #ec4899 50%, #06b6d4 100%);
    --gradient-glow: rgba(139, 92, 246, 0.25);
    --text-main: #f8fafc;
    --text-muted: #94a3b8;
    --radius-lg: 16px;
    --radius-md: 12px;
    --radius-sm: 8px;
    --transition-fast: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

[data-theme="light"] {
    --studio-bg: rgba(248, 250, 252, 0.8);
    --panel-bg: #ffffff;
    --card-bg: #f1f5f9;
    --card-hover: #e2e8f0;
    --border-color: rgba(0, 0, 0, 0.1);
    --text-main: #0f172a;
    --text-muted: #64748b;
    --gradient-glow: rgba(139, 92, 246, 0.15);
}

/* Honeypot Bot Trap */
.honeypot-field {
    display: none !important;
    position: absolute !important;
    left: -9999px !important;
}

/* Utilities */
.hidden { display: none !important; }
.margin-top-md { margin-top: 1.25rem; }

/* Gradient Text & Badges */
.gradient-text {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    font-family: 'Outfit', sans-serif;
    font-weight: 800;
}

.badge-free {
    font-size: 0.72rem;
    font-weight: 700;
    background: linear-gradient(135deg, #10b981, #059669);
    color: #ffffff;
    padding: 0.2rem 0.6rem;
    border-radius: 999px;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    box-shadow: 0 0 12px rgba(16, 185, 129, 0.3);
}

/* Studio Layout Wrapper */
.studio-wrapper {
    max-w: 1200px;
    margin: 0 auto;
    padding: 1.5rem 1rem 3rem;
}

/* Navigation Tabs Bar */
.studio-tabs-bar {
    display: flex;
    gap: 1rem;
    background: var(--card-bg);
    padding: 0.5rem;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    margin-bottom: 1.5rem;
}

.studio-tab-btn {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    padding: 0.9rem 1.25rem;
    background: transparent;
    border: none;
    border-radius: var(--radius-md);
    color: var(--text-muted);
    font-family: 'Outfit', sans-serif;
    font-size: 1.05rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-fast);
}

.studio-tab-btn i {
    font-size: 1.2rem;
}

.studio-tab-btn .tab-pill {
    font-size: 0.7rem;
    padding: 0.15rem 0.5rem;
    border-radius: 6px;
    background: var(--border-color);
    color: var(--text-muted);
}

.studio-tab-btn:hover {
    color: var(--text-main);
    background: var(--card-hover);
}

.studio-tab-btn.active {
    background: var(--panel-bg);
    color: var(--text-main);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
    border: 1px solid var(--border-color);
}

.studio-tab-btn.active .tab-pill {
    background: var(--gradient-primary);
    color: #ffffff;
}

/* Panel Content Visibility */
.studio-content-panel {
    display: none;
    animation: fadeIn 0.3s ease-in-out;
}
.studio-content-panel.active {
    display: block;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(6px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Mode Selector Chips */
.mode-selector-group {
    margin-bottom: 1.5rem;
}

.group-label {
    display: block;
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-muted);
    margin-bottom: 0.6rem;
}

.mode-chips {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.mode-chip {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.6rem 1.1rem;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-muted);
    font-size: 0.95rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition-fast);
}

.mode-chip:hover {
    border-color: var(--accent-purple);
    color: var(--text-main);
}

.mode-chip.active {
    background: linear-gradient(135deg, rgba(139, 92, 246, 0.2), rgba(236, 72, 153, 0.2));
    border-color: var(--accent-purple);
    color: var(--text-main);
    font-weight: 600;
    box-shadow: 0 0 15px var(--gradient-glow);
}

/* Reference Upload Panel */
.reference-images-panel {
    margin-bottom: 1.5rem;
    padding: 1.25rem;
    background: var(--card-bg);
    border: 1px dashed var(--accent-purple);
    border-radius: var(--radius-lg);
}

.ref-upload-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.25rem;
}

.ref-upload-card {
    background: var(--panel-bg);
    padding: 1rem;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
}

.ref-card-label {
    display: block;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-main);
    margin-bottom: 0.75rem;
}

.drop-zone {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 1.5rem 1rem;
    border: 2px dashed var(--border-color);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: var(--transition-fast);
    text-align: center;
}

.drop-zone:hover, .drop-zone.drag-over {
    border-color: var(--accent-purple);
    background: rgba(139, 92, 246, 0.05);
}

.drop-icon {
    font-size: 1.8rem;
    color: var(--accent-purple);
    margin-bottom: 0.5rem;
}

.drop-text {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.browse-link {
    color: var(--accent-pink);
    text-decoration: underline;
}

.drop-zone input[type="file"] {
    display: none;
}

.url-divider {
    display: flex;
    align-items: center;
    text-align: center;
    margin: 0.75rem 0;
}

.url-divider::before, .url-divider::after {
    content: '';
    flex: 1;
    border-bottom: 1px solid var(--border-color);
}

.url-divider span {
    padding: 0 0.5rem;
    font-size: 0.65rem;
    font-weight: 700;
    color: var(--text-muted);
    letter-spacing: 0.05em;
}

.input-url {
    width: 100%;
    padding: 0.6rem 0.8rem;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-main);
    font-size: 0.85rem;
}

.image-preview-thumb {
    position: relative;
    margin-top: 0.75rem;
    height: 120px;
    border-radius: var(--radius-sm);
    overflow: hidden;
    border: 1px solid var(--accent-purple);
}

.image-preview-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.btn-remove-thumb {
    position: absolute;
    top: 6px;
    right: 6px;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: rgba(0, 0, 0, 0.7);
    color: #ffffff;
    border: none;
    cursor: pointer;
    font-size: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Form Controls & Textarea */
.form-group {
    margin-bottom: 1.5rem;
}

.form-label {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-main);
    margin-bottom: 0.5rem;
}

.prompt-hint {
    font-size: 0.78rem;
    font-weight: 400;
    color: var(--text-muted);
}

.form-textarea {
    width: 100%;
    padding: 1rem;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-main);
    font-family: 'Inter', sans-serif;
    font-size: 0.95rem;
    line-height: 1.5;
    resize: vertical;
    transition: var(--transition-fast);
}

.form-textarea:focus, .form-input:focus, .form-select:focus {
    outline: none;
    border-color: var(--accent-purple);
    box-shadow: 0 0 0 3px var(--gradient-glow);
}

.prompt-chips-wrapper {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.5rem;
    margin-top: 0.6rem;
}

.chips-title {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-muted);
}

.prompt-sample-btn {
    padding: 0.3rem 0.75rem;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 999px;
    color: var(--text-muted);
    font-size: 0.78rem;
    cursor: pointer;
    transition: var(--transition-fast);
}

.prompt-sample-btn:hover {
    border-color: var(--accent-pink);
    color: var(--text-main);
    background: var(--card-hover);
}

/* Settings Grid */
.settings-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 1.25rem;
}

.setting-item {
    display: flex;
    flex-direction: column;
}

.form-select, .form-input {
    width: 100%;
    padding: 0.75rem 1rem;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-main);
    font-size: 0.9rem;
}

.aspect-ratio-selector, .duration-selector {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.ratio-btn, .duration-btn {
    flex: 1;
    min-width: 70px;
    padding: 0.55rem 0.65rem;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-muted);
    font-size: 0.8rem;
    font-weight: 500;
    cursor: pointer;
    text-align: center;
    transition: var(--transition-fast);
}

.ratio-btn:hover, .duration-btn:hover {
    border-color: var(--accent-purple);
    color: var(--text-main);
}

.ratio-btn.active, .duration-btn.active {
    background: var(--accent-purple);
    border-color: var(--accent-purple);
    color: #ffffff;
    font-weight: 600;
}

.btn-text-action {
    background: none;
    border: none;
    color: var(--accent-pink);
    font-size: 0.8rem;
    cursor: pointer;
    text-decoration: underline;
}

/* Submit Button & Captcha Section */
.submit-section {
    margin-top: 2rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.25rem;
}

.captcha-wrapper {
    display: flex;
    justify-content: center;
}

.btn-primary-generate {
    width: 100%;
    max-width: 480px;
    padding: 1.1rem 2rem;
    background: var(--gradient-primary);
    border: none;
    border-radius: var(--radius-lg);
    color: #ffffff;
    font-family: 'Outfit', sans-serif;
    font-size: 1.15rem;
    font-weight: 700;
    cursor: pointer;
    box-shadow: 0 8px 30px rgba(139, 92, 246, 0.35);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.btn-primary-generate:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 12px 40px rgba(236, 72, 153, 0.45);
}

.btn-primary-generate:disabled {
    opacity: 0.65;
    cursor: not-allowed;
}

.btn-content, .btn-spinner {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
}

/* Video Polling Progress Panel */
.progress-panel {
    margin-top: 2rem;
    padding: 1.5rem;
    background: var(--card-bg);
    border: 1px solid var(--accent-purple);
    border-radius: var(--radius-lg);
    box-shadow: 0 0 25px var(--gradient-glow);
}

.progress-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.75rem;
}

.progress-status-badge {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--accent-cyan);
}

.progress-percent {
    font-family: 'Fira Code', monospace;
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text-main);
}

.progress-bar-track {
    width: 100%;
    height: 10px;
    background: var(--panel-bg);
    border-radius: 999px;
    overflow: hidden;
}

.progress-bar-fill {
    height: 100%;
    background: var(--gradient-primary);
    border-radius: 999px;
    transition: width 0.4s ease;
}

.progress-tip {
    margin-top: 0.75rem;
    font-size: 0.8rem;
    color: var(--text-muted);

}

/* Error Banner */
.error-banner {
    margin-top: 1.5rem;
    padding: 1rem 1.25rem;
    background: rgba(239, 68, 68, 0.15);
    border: 1px solid #ef4444;
    border-radius: var(--radius-md);
    color: #fca5a5;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 0.95rem;
}

/* Result Showcase Container */
.result-showcase-panel {
    margin-top: 2rem;
    padding: 1.5rem;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
}

.result-header {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.25rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border-color);
}

.result-title {
    font-family: 'Outfit', sans-serif;
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--text-main);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.result-actions {
    display: flex;
    gap: 0.75rem;
}

.btn-action-download {
    padding: 0.6rem 1.25rem;
    background: var(--accent-green);
    color: #ffffff;
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 0.9rem;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: var(--transition-fast);
}

.btn-action-download:hover {
    background: #059669;
    box-shadow: 0 0 15px rgba(16, 185, 129, 0.4);
}

.btn-action-copy {
    padding: 0.6rem 1rem;
    background: var(--panel-bg);
    border: 1px solid var(--border-color);
    color: var(--text-main);
    border-radius: var(--radius-md);
    font-size: 0.9rem;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: var(--transition-fast);
}

.btn-action-copy:hover {
    border-color: var(--accent-purple);
}

.media-preview-box {
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-md);
    overflow: hidden;
    background: var(--panel-bg);
}

.media-preview-box img, .media-preview-box video {
    max-width: 100%;
    max-height: 650px;
    object-fit: contain;
    border-radius: var(--radius-md);
}

.video-meta-bar {
    width: 100%;
    display: flex;
    flex-wrap: wrap;
    justify-content: space-around;
    gap: 1rem;
    padding: 0.8rem 1rem;
    background: rgba(0, 0, 0, 0.3);
    margin-top: 0.75rem;
    font-size: 0.85rem;
    color: var(--text-muted);
}

.meta-item strong {
    color: var(--text-main);
}

/* Feature & FAQ Section */
.info-section {
    margin-top: 3.5rem;
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
}

.info-heading {
    font-family: 'Outfit', sans-serif;
    font-size: 1.8rem;
    font-weight: 800;
    text-align: center;
    color: var(--text-main);
    margin-bottom: 0.5rem;
}

.info-lead {
    text-align: center;
    color: var(--text-muted);
    max-width: 700px;
    margin: 0 auto 2.5rem;
    font-size: 1rem;
    line-height: 1.6;
}

.info-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 1.5rem;
    margin-bottom: 3.5rem;
}

.feature-card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    transition: var(--transition-fast);
}

.feature-card:hover {
    transform: translateY(-4px);
    border-color: var(--accent-purple);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.feature-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-md);
    background: var(--gradient-primary);
    color: #ffffff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    margin-bottom: 1rem;
}

.feature-card h3 {
    font-family: 'Outfit', sans-serif;
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--text-main);
    margin-bottom: 0.5rem;
}

.feature-card p {
    font-size: 0.88rem;
    color: var(--text-muted);
    line-height: 1.5;
}

/* FAQ Accordion */
.faq-container {
    max-width: 850px;
    margin: 0 auto;
}

.faq-title {
    font-family: 'Outfit', sans-serif;
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--text-main);
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.6rem;
}

.faq-list {
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
}

.faq-item {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    overflow: hidden;
}

.faq-question {
    width: 100%;
    padding: 1rem 1.25rem;
    background: transparent;
    border: none;
    color: var(--text-main);
    font-family: 'Inter', sans-serif;
    font-size: 0.98rem;
    font-weight: 600;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    text-align: left;
}

.faq-chevron {
    transition: transform 0.3s ease;
    color: var(--text-muted);
}

.faq-item.open .faq-chevron {
    transform: rotate(180deg);
    color: var(--accent-purple);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.35s ease-out;
}

.faq-item.open .faq-answer {
    max-height: 200px;
}

.faq-answer p {
    padding: 0 1.25rem 1.25rem;
    font-size: 0.9rem;
    color: var(--text-muted);
    line-height: 1.6;
}

/* Responsive Breakpoints */
@media (max-width: 768px) {
    .studio-tabs-bar {
        flex-direction: column;
    }
    .settings-grid {
        grid-template-columns: 1fr;
    }
    .result-header {
        flex-direction: column;
        align-items: flex-start;
    }
    .result-actions {
        width: 100%;
    }
    .btn-action-download, .btn-action-copy {
        flex: 1;
        justify-content: center;
    }
}

/* Vertical Side Ad Rails for Widescreen Free Spaces */
.ad-rail-left,
.ad-rail-right {
    display: none;
    position: fixed;
    top: 100px;
    width: 160px;
    min-height: 600px;
    z-index: 90;
}

.ad-rail-left {
    left: max(10px, calc(50% - 710px - 175px));
}

.ad-rail-right {
    right: max(10px, calc(50% - 710px - 175px));
}

@media (min-width: 1720px) {
    .ad-rail-left,
    .ad-rail-right {
        display: block;
    }
}