/* ===== RESET & CUSTOM PROPERTIES ===== */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

:root {
    --color-primary: #ff5600;
    --color-primary-light: #fff1ea;
    --color-text: #0f172a;
    --color-text-secondary: #475569;
    --color-text-muted: #64748b;
    --color-text-faint: #94a3b8;
    --color-bg: #f3f4f6;
    --color-bg-card: #ffffff;
    --color-bg-section: #f9fafb;
    --color-border: #e5e7eb;
    --color-border-input: #cbd5e1;
    --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
    --max-width: 960px;
    --radius: 8px;
    --radius-lg: 12px;
    --radius-btn: 7px;
    --radius-pill: 999px;
}

body {
    margin: 0;
    padding: 24px;
    background: var(--color-bg);
    font-family: var(--font-sans);
    color: var(--color-text);
    font-size: 15.5px;
    line-height: 1.55;
    -webkit-font-smoothing: antialiased;
}

/* ===== LAYOUT ===== */
.page {
    max-width: var(--max-width);
    margin: 0 auto;
}

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

/* ===== ORANGE TEXTURE ===== */
.tex-orange {
    background-color: var(--color-primary);
    background-image: var(--orange-tex);
    background-repeat: repeat;
    image-rendering: pixelated;
    image-rendering: crisp-edges;
}

/* ===== HEADER / NAV ===== */
.site-header {
    padding: 14px 24px;
    border-bottom: 1px solid var(--color-border);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.site-logo {
    font-weight: 500;
    font-size: 14px;
    color: var(--color-text);
    text-decoration: none;
}

.site-logo span {
    color: var(--color-primary);
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 8px;
}

/* ===== BUTTONS ===== */
.btn {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    padding: 8px 14px;
    border-radius: var(--radius-btn);
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: var(--color-text);
    font-family: var(--font-sans);
    text-decoration: none;
    line-height: 1;
    transition: background 0.15s;
}

.btn:hover {
    background: var(--color-bg-section);
}

.btn[disabled] {
    background: var(--color-bg-section);
    color: var(--color-text-faint);
    cursor: not-allowed;
}

.btn-primary {
    background-color: var(--color-primary);
    background-image: var(--orange-tex);
    background-repeat: repeat;
    image-rendering: pixelated;
    color: white;
    border: none;
}

.btn-primary:hover {
    opacity: 0.92;
    background-color: var(--color-primary);
}

.btn-icon {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    padding: 8px 10px;
    border-radius: 6px;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    line-height: 1;
}

.btn-icon:hover {
    background: var(--color-bg-section);
}

/* ===== BADGE ===== */
.badge {
    display: inline-block;
    background: var(--color-primary-light);
    color: var(--color-primary);
    padding: 5px 12px;
    border-radius: var(--radius-pill);
    font-size: 12px;
    font-weight: 500;
}

.badge-sm {
    font-size: 9px;
    font-weight: 600;
    padding: 2px 6px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-left: 2px;
}

/* ===== HERO SECTION ===== */
.hero {
    padding: 56px 32px 48px;
    text-align: center;
}

.hero h1 {
    font-size: 40px;
    font-weight: 500;
    color: var(--color-text);
    margin: 0 0 14px;
    letter-spacing: -1.2px;
    line-height: 1.1;
}

.hero p {
    font-size: 16px;
    color: var(--color-text-secondary);
    margin: 0 auto 28px;
    max-width: 460px;
    line-height: 1.55;
}

/* ===== URL INPUT BAR ===== */
.url-bar {
    max-width: 520px;
    margin: 0 auto;
    display: flex;
    gap: 6px;
    padding: 6px;
    background: var(--color-bg-card);
    border: 1px solid var(--color-border-input);
    border-radius: 10px;
}

.url-bar input {
    flex: 1;
    border: none;
    padding: 9px 12px;
    font-size: 14px;
    outline: none;
    background: transparent;
    color: var(--color-text);
    min-width: 0;
    font-family: var(--font-sans);
}

.url-bar button {
    padding: 9px 18px;
    border-radius: var(--radius-btn);
    font-size: 14px;
    font-weight: 500;
    white-space: nowrap;
}

/* ===== STATS BAR ===== */
.stats-bar {
    background: var(--color-bg-section);
    padding: 22px 32px;
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    text-align: center;
}

.stat-value {
    font-size: 22px;
    font-weight: 500;
    color: var(--color-text);
}

.stat-label {
    font-size: 12px;
    color: var(--color-text-muted);
    margin-top: 2px;
}

.stats-bar > div:nth-child(2) {
    border-left: 1px solid var(--color-border);
    border-right: 1px solid var(--color-border);
}

/* ===== SECTION HEADINGS ===== */
.section-header {
    text-align: center;
    margin-bottom: 32px;
}

.section-overline {
    font-size: 11px;
    color: white;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    margin-bottom: 8px;
}

.section-title {
    font-size: 26px;
    font-weight: 500;
    letter-spacing: -0.7px;
    margin: 0;
}

.section-subtitle {
    font-size: 14px;
    color: var(--color-text-muted);
    margin: 8px 0 0;
}

/* ===== HOW IT WORKS ===== */
.how-it-works {
    padding: 52px 32px;
}

.steps-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 14px;
}

.step-card {
    background: var(--color-bg-section);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 20px;
}

.step-number {
    color: var(--color-primary);
    font-weight: 700;
    font-size: 36px;
    line-height: 1;
    margin-bottom: 12px;
}

.step-title {
    font-size: 14px;
    font-weight: 500;
    color: var(--color-text);
    margin-bottom: 6px;
}

.step-desc {
    font-size: 12px;
    color: var(--color-text-muted);
    line-height: 1.55;
}

/* ===== FEATURES GRID ===== */
.features-section {
    padding: 52px 32px;
    background: var(--color-bg-section);
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
}

.feature-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 18px;
}

.feature-title {
    font-size: 13px;
    font-weight: 500;
    color: var(--color-text);
    margin-bottom: 4px;
}

.feature-desc {
    font-size: 12px;
    color: var(--color-text-muted);
    line-height: 1.5;
}

.features-note {
    text-align: center;
    margin-top: 24px;
    font-size: 12px;
    color: var(--color-text-faint);
}

/* ===== TRANSCRIPT GRID (trending/latest/related) ===== */
.transcript-grid-section {
    padding: 52px 32px;
}

.transcript-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 14px;
}

.transcript-card {
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    overflow: hidden;
    text-decoration: none;
    color: var(--color-text);
    transition: box-shadow 0.15s;
    display: block;
    background: var(--color-bg-card);
}

.transcript-card:hover {
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

.transcript-card-thumb {
    width: 100%;
    aspect-ratio: 16 / 9;
    background: linear-gradient(135deg, #1f2937, #374151);
    position: relative;
    overflow: hidden;
}

.transcript-card-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.transcript-card-duration {
    position: absolute;
    bottom: 6px;
    right: 6px;
    background: rgba(0, 0, 0, 0.85);
    color: white;
    padding: 2px 6px;
    border-radius: 3px;
    font-size: 11px;
    font-weight: 500;
}

.transcript-card-body {
    padding: 12px;
}

.transcript-card-title {
    font-size: 13px;
    font-weight: 500;
    color: var(--color-text);
    margin-bottom: 4px;
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.transcript-card-channel {
    font-size: 12px;
    color: var(--color-text-muted);
}

/* ===== FAQ ===== */
.faq-section {
    padding: 52px 32px;
}

.faq-list {
    max-width: 560px;
    margin: 0 auto;
}

.faq-item {
    border-bottom: 1px solid var(--color-border);
    padding: 14px 0;
}

.faq-item:last-child {
    border-bottom: none;
}

.faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    width: 100%;
    background: none;
    border: none;
    text-align: left;
    padding: 0;
    font-family: var(--font-sans);
}

.faq-question-text {
    font-size: 14px;
    font-weight: 500;
    color: var(--color-text);
}

.faq-toggle {
    color: var(--color-text-faint);
    font-size: 18px;
    flex-shrink: 0;
    width: 24px;
    text-align: center;
    transition: transform 0.2s;
}

.faq-answer {
    display: none;
    font-size: 13px;
    color: var(--color-text-muted);
    line-height: 1.6;
    margin-top: 8px;
    padding-right: 32px;
}

.faq-item.open .faq-answer {
    display: block;
}

.faq-item.open .faq-toggle {
    transform: rotate(45deg);
}

/* ===== TRANSCRIPT PAGE — VIDEO INFO ===== */
.video-info {
    display: flex;
    gap: 20px;
    align-items: flex-start;
    padding: 28px 32px 18px;
}

.video-thumb {
    flex-shrink: 0;
    width: 240px;
    aspect-ratio: 16 / 9;
    background: linear-gradient(135deg, #1f2937, #374151);
    border-radius: var(--radius);
    position: relative;
    overflow: hidden;
}

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

.video-thumb-duration {
    position: absolute;
    bottom: 8px;
    right: 8px;
    background: rgba(0, 0, 0, 0.85);
    color: white;
    padding: 2px 6px;
    border-radius: 3px;
    font-size: 11px;
    font-weight: 500;
}

.video-details {
    flex: 1;
    min-width: 0;
}

.video-details h1 {
    font-size: 19px;
    font-weight: 500;
    color: var(--color-text);
    margin: 0 0 10px;
    line-height: 1.4;
}

.video-channel {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 12px;
}

.video-channel-avatar {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: var(--color-border-input);
    flex-shrink: 0;
}

.video-channel-name {
    font-size: 13px;
    color: var(--color-text-secondary);
}

.video-channel-date {
    font-size: 12px;
    color: var(--color-text-faint);
}

.video-channel-sep {
    color: var(--color-border-input);
}

.video-yt-link {
    font-size: 12px;
    color: var(--color-primary);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 4px;
}

.video-yt-link:hover {
    text-decoration: underline;
}

/* ===== TRANSCRIPT PAGE — ACTION BAR ===== */
.action-bar {
    padding: 0 32px 24px;
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    align-items: center;
}

.action-bar-search {
    position: relative;
    flex: 1;
    min-width: 200px;
    max-width: 320px;
}

.action-bar-search svg {
    position: absolute;
    left: 12px;
    top: 50%;
    transform: translateY(-50%);
}

.action-bar-search input {
    width: 100%;
    padding: 8px 12px 8px 34px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-btn);
    font-size: 13px;
    background: var(--color-bg-card);
    color: var(--color-text);
    outline: none;
    font-family: var(--font-sans);
}

.action-bar-search input:focus {
    border-color: var(--color-primary);
}

.action-bar-trailing {
    margin-left: auto;
    display: flex;
    gap: 8px;
}

/* ===== TRANSCRIPT TEXT ===== */
.transcript-body {
    padding: 0 32px;
}

.transcript-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 12px;
    padding-bottom: 12px;
    border-bottom: 1px solid #f1f5f9;
}

.transcript-label {
    font-size: 13px;
    font-weight: 500;
    color: var(--color-text);
}

.transcript-meta {
    font-size: 12px;
    color: var(--color-text-faint);
}

.transcript-line {
    display: flex;
    gap: 16px;
    padding: 8px 0;
    align-items: flex-start;
}

.ts-link {
    color: var(--color-primary);
    text-decoration: none;
    font-family: var(--font-mono);
    flex-shrink: 0;
    font-size: 12px;
    padding-top: 3px;
    min-width: 44px;
}

.ts-link:hover {
    text-decoration: underline;
}

.transcript-text {
    font-size: 14px;
    color: var(--color-text);
    line-height: 1.65;
    flex: 1;
}

.transcript-end {
    text-align: center;
    margin: 24px 0 8px;
    font-size: 12px;
    color: var(--color-text-faint);
}

/* ===== AD SLOTS ===== */
.ad-slot {
    background: #fafbfc;
    border: 1px dashed var(--color-border-input);
    border-radius: var(--radius);
    padding: 32px 16px;
    text-align: center;
}

.ad-label {
    font-size: 10px;
    color: var(--color-text-faint);
    text-transform: uppercase;
    letter-spacing: 1.5px;
    font-weight: 600;
    margin-bottom: 6px;
}

.ad-meta {
    font-size: 12px;
    color: var(--color-text-faint);
}

.ad-wrapper {
    padding: 24px 32px;
}

.ad-wrapper-inline {
    padding: 28px 32px;
}

/* ===== HTMX LOADING INDICATOR ===== */
#loading-area {
    display: none;
}
.htmx-request #loading-area,
.htmx-request.htmx-indicator {
    display: block;
}

/* ===== LOADING STATE ===== */
.loading-body {
    padding: 80px 32px 96px;
    text-align: center;
}

.loading-title {
    font-size: 18px;
    font-weight: 500;
    color: var(--color-text);
    margin-bottom: 6px;
}

.loading-url {
    font-size: 13px;
    color: var(--color-text-muted);
    max-width: 520px;
    margin: 0 auto 28px;
    word-break: break-all;
}

.loading-steps {
    max-width: 460px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 8px;
}

.loading-step-bar {
    height: 3px;
    border-radius: 2px;
    margin-bottom: 8px;
}

.loading-step-bar.done { background: var(--color-primary); }
.loading-step-bar.active { background: var(--color-primary); opacity: 0.6; }
.loading-step-bar.pending { background: var(--color-border); }

.loading-step-label {
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    text-align: left;
}

.loading-step-label.done,
.loading-step-label.active { color: var(--color-primary); }
.loading-step-label.pending { color: var(--color-text-faint); }

.loading-note {
    font-size: 12px;
    color: var(--color-text-faint);
    margin-top: 36px;
}

/* ===== ERROR STATE ===== */
.error-body {
    padding: 64px 32px 80px;
    text-align: center;
}

.error-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: var(--color-primary-light);
    margin-bottom: 20px;
}

.error-title {
    font-size: 22px;
    font-weight: 500;
    color: var(--color-text);
    margin-bottom: 8px;
    letter-spacing: -0.4px;
}

.error-desc {
    font-size: 14px;
    color: var(--color-text-muted);
    max-width: 460px;
    margin: 0 auto 24px;
    line-height: 1.6;
}

.error-url {
    font-size: 12px;
    color: var(--color-text-faint);
    max-width: 460px;
    margin: 0 auto 28px;
    word-break: break-all;
    padding: 8px 12px;
    background: var(--color-bg-section);
    border-radius: 6px;
    font-family: var(--font-mono);
}

.error-fixes {
    max-width: 380px;
    margin: 0 auto 32px;
    text-align: left;
    font-size: 13px;
    color: var(--color-text-secondary);
    line-height: 1.8;
}

.error-fixes-title {
    font-weight: 500;
    color: var(--color-text);
    margin-bottom: 6px;
}

/* ===== FOOTER ===== */
.site-footer {
    padding: 36px 32px;
    color: rgba(255, 255, 255, 0.85);
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 24px;
}

.footer-brand {
    color: white;
    font-weight: 500;
    font-size: 14px;
    margin-bottom: 10px;
}

.site-footer .footer-brand {
    color: white;
}

.footer-desc {
    font-size: 12px;
    line-height: 1.6;
}

.footer-col-title {
    color: white;
    font-size: 12px;
    font-weight: 500;
    margin-bottom: 10px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.footer-links {
    font-size: 12px;
    line-height: 1.9;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.85);
    text-decoration: none;
}

.footer-links a:hover {
    color: white;
}

.disclaimer {
    padding: 24px 32px;
    background: var(--color-bg-card);
    border-top: 1px solid var(--color-border);
    font-size: 11px;
    color: var(--color-text-faint);
    line-height: 1.7;
}

.disclaimer strong {
    color: var(--color-text-muted);
    font-weight: 500;
}

/* ===== DROPDOWN ===== */
.dropdown {
    position: relative;
    display: inline-block;
}

.dropdown-menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    margin-top: 4px;
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-btn);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    min-width: 140px;
    z-index: 100;
    overflow: hidden;
}

.dropdown.open .dropdown-menu {
    display: block;
}

.dropdown-item {
    display: block;
    padding: 8px 14px;
    font-size: 13px;
    color: var(--color-text);
    text-decoration: none;
    cursor: pointer;
    border: none;
    background: none;
    width: 100%;
    text-align: left;
    font-family: var(--font-sans);
}

.dropdown-item:hover {
    background: var(--color-bg-section);
}

/* ===== SPINNER ===== */
.spin {
    animation: spin 1s linear infinite;
}

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

/* ===== TOAST (copy feedback) ===== */
.toast {
    position: fixed;
    bottom: 24px;
    left: 50%;
    transform: translateX(-50%) translateY(100px);
    background: var(--color-text);
    color: white;
    padding: 10px 20px;
    border-radius: var(--radius-btn);
    font-size: 13px;
    font-weight: 500;
    z-index: 1000;
    opacity: 0;
    transition: transform 0.3s, opacity 0.3s;
    pointer-events: none;
}

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

/* ===== SEARCH PAGE ===== */
.search-section {
    padding: 32px;
}

.search-bar {
    max-width: 520px;
    margin: 0 auto 32px;
    display: flex;
    gap: 6px;
}

.search-bar input {
    flex: 1;
    padding: 10px 14px;
    border: 1px solid var(--color-border-input);
    border-radius: var(--radius-btn);
    font-size: 14px;
    outline: none;
    font-family: var(--font-sans);
    color: var(--color-text);
}

.search-bar input:focus {
    border-color: var(--color-primary);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
    body { padding: 12px; }

    .hero { padding: 40px 20px 36px; }
    .hero h1 { font-size: 28px; letter-spacing: -0.8px; }
    .hero p { font-size: 14px; }

    .url-bar { flex-direction: column; }
    .url-bar button { width: 100%; justify-content: center; }

    .stats-bar { grid-template-columns: repeat(3, 1fr); padding: 16px 20px; gap: 12px; }
    .stat-value { font-size: 18px; }
    .stats-bar > div:nth-child(2) { border-left: none; border-right: none; }

    .steps-grid { grid-template-columns: 1fr; gap: 10px; }
    .features-grid { grid-template-columns: 1fr; gap: 10px; }
    .transcript-grid { grid-template-columns: repeat(2, 1fr); gap: 10px; }

    .how-it-works { padding: 36px 20px; }
    .features-section { padding: 36px 20px; }
    .transcript-grid-section { padding: 36px 20px; }
    .faq-section { padding: 36px 20px; }

    .video-info { flex-direction: column; padding: 20px; }
    .video-thumb { width: 100%; }

    .action-bar { padding: 0 20px 20px; }
    .action-bar-trailing { margin-left: 0; }
    .action-bar-search { max-width: 100%; }

    .transcript-body { padding: 0 20px; }
    .ad-wrapper { padding: 16px 20px; }
    .ad-wrapper-inline { padding: 20px; }

    .site-footer { grid-template-columns: 1fr 1fr; gap: 20px; padding: 28px 20px; }
    .disclaimer { padding: 20px; }
}

@media (max-width: 480px) {
    .transcript-grid { grid-template-columns: 1fr; }
    .stats-bar { grid-template-columns: 1fr; gap: 8px; }
    .stats-bar > div:nth-child(2) { border: none; }
    .site-footer { grid-template-columns: 1fr; gap: 16px; }
}