/* prompts-layout.css — Layout for prompts/index.html browsing page
 * Paired with: portal-base.css + theme.css (data-brand="hub")
 * Page-specific styles only — no color values, uses CSS custom properties
 */

/* ── Page shell ─────────────────────────────────────────────────────────── */

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

/* ── Header ─────────────────────────────────────────────────────────────── */

.page-header {
    background: var(--color-primary-dark);
    color: #fff;
    padding: 1.25rem 1.5rem;
    display: flex;
    align-items: center;
    gap: 1.5rem;
    flex-wrap: wrap;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 2px 8px rgba(0,0,0,0.15);
}

.page-header h1 {
    font-size: 1.25rem;
    font-weight: 700;
    white-space: nowrap;
    color: #fff;
}

.page-header h1 span {
    font-weight: 400;
    opacity: 0.75;
    font-size: 0.9rem;
    margin-left: 0.5rem;
}

.search-wrap {
    flex: 1;
    min-width: 200px;
    max-width: 480px;
    position: relative;
}

.search-wrap input {
    width: 100%;
    padding: 0.5rem 0.75rem 0.5rem 2.25rem;
    border-radius: 6px;
    border: none;
    background: rgba(255,255,255,0.15);
    color: #fff;
    font-size: 0.9rem;
    outline: none;
    transition: background 0.2s;
}

.search-wrap input::placeholder { color: rgba(255,255,255,0.6); }
.search-wrap input:focus { background: rgba(255,255,255,0.25); }

.search-wrap svg {
    position: absolute;
    left: 0.6rem;
    top: 50%;
    transform: translateY(-50%);
    opacity: 0.65;
    pointer-events: none;
}

.result-count {
    font-size: 0.82rem;
    opacity: 0.8;
    white-space: nowrap;
}

.back-link {
    font-size: 0.82rem;
    color: rgba(255,255,255,0.75);
    text-decoration: none;
    white-space: nowrap;
}
.back-link:hover { color: #fff; }

/* ── Body layout ─────────────────────────────────────────────────────────── */

.page-body {
    display: flex;
    flex: 1;
    overflow: hidden;
    height: calc(100vh - 60px);
}

/* ── Sidebar ─────────────────────────────────────────────────────────────── */

.sidebar {
    width: 220px;
    flex-shrink: 0;
    background: var(--color-bg-secondary);
    border-right: 1px solid var(--color-border);
    overflow-y: auto;
    padding: 0.75rem 0;
}

.sidebar-section {
    margin-bottom: 0.25rem;
}

.sidebar-label {
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--color-text-secondary);
    padding: 0.5rem 1rem 0.25rem;
    opacity: 0.6;
}

.cat-btn {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    padding: 0.45rem 1rem;
    background: none;
    border: none;
    cursor: pointer;
    font-size: 0.875rem;
    color: var(--color-text-primary);
    text-align: left;
    transition: background 0.15s;
    border-left: 3px solid transparent;
}

.cat-btn:hover {
    background: var(--color-border);
}

.cat-btn.active {
    background: color-mix(in srgb, var(--color-primary-dark) 12%, transparent);
    border-left-color: var(--color-primary-dark);
    color: var(--color-primary-dark);
    font-weight: 600;
}

.cat-count {
    font-size: 0.75rem;
    background: var(--color-border);
    color: var(--color-text-secondary);
    padding: 0.1rem 0.4rem;
    border-radius: 10px;
    min-width: 1.5rem;
    text-align: center;
}

.cat-btn.active .cat-count {
    background: var(--color-primary-dark);
    color: #fff;
}

/* ── Main content ────────────────────────────────────────────────────────── */

.main-content {
    flex: 1;
    overflow-y: auto;
    padding: 1.25rem 1.5rem;
}

.cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: 0.875rem;
}

/* ── Prompt cards ────────────────────────────────────────────────────────── */

.prompt-card {
    background: var(--color-card-bg);
    border: 1px solid var(--color-border);
    border-radius: 8px;
    padding: 0.875rem 1rem;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    transition: box-shadow 0.15s, transform 0.15s;
    position: relative;
}

.prompt-card:hover {
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
    transform: translateY(-1px);
}

.prompt-card[hidden] { display: none; }

.prompt-cat-badge {
    font-size: 0.68rem;
    font-weight: 600;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    padding: 0.15rem 0.5rem;
    border-radius: 4px;
    display: inline-block;
    max-width: fit-content;
}

.prompt-title {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--color-text-primary);
    line-height: 1.35;
    /* clamp to 3 lines */
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.prompt-meta {
    font-size: 0.75rem;
    color: var(--color-text-secondary);
    opacity: 0.7;
    margin-top: auto;
}

.prompt-link {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--color-primary-medium);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    margin-top: 0.25rem;
}

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

/* ── Category badge colors ───────────────────────────────────────────────── */

[data-cat="image-visual"]          .prompt-cat-badge { background: #fff3e0; color: #bf6900; }
[data-cat="technology-ai"]         .prompt-cat-badge { background: #e3f2fd; color: #1565c0; }
[data-cat="business-professional"] .prompt-cat-badge { background: #e8eaf6; color: #283593; }
[data-cat="multilingual"]          .prompt-cat-badge { background: #e0f7fa; color: #006064; }
[data-cat="education-teaching"]    .prompt-cat-badge { background: #e8f5e9; color: #2e7d32; }
[data-cat="research-analysis"]     .prompt-cat-badge { background: #fce4ec; color: #880e4f; }
[data-cat="writing-creative"]      .prompt-cat-badge { background: #f3e5f5; color: #6a1b9a; }
[data-cat="games-entertainment"]   .prompt-cat-badge { background: #fbe9e7; color: #bf360c; }
[data-cat="social-media-marketing"] .prompt-cat-badge { background: #e3f2fd; color: #0277bd; }
[data-cat="legal-finance"]         .prompt-cat-badge { background: #f1f8e9; color: #33691e; }
[data-cat="personal-development"]  .prompt-cat-badge { background: #fff8e1; color: #f57f17; }
[data-cat="lifestyle-home"]        .prompt-cat-badge { background: #fce4ec; color: #ad1457; }
[data-cat="health-wellness"]       .prompt-cat-badge { background: #e8f5e9; color: #1b5e20; }
[data-cat="role-play-character"],
[data-cat="roleplay-character"]    .prompt-cat-badge { background: #ede7f6; color: #4527a0; }
[data-cat="travel-culture"]        .prompt-cat-badge { background: #e0f2f1; color: #004d40; }
[data-cat="language-translation"]  .prompt-cat-badge { background: #e1f5fe; color: #01579b; }
[data-cat="developer"]             .prompt-cat-badge { background: #1a1a2e; color: #e94560; }
[data-cat="other"]                 .prompt-cat-badge { background: #eceff1; color: #455a64; }

/* ── Empty state ─────────────────────────────────────────────────────────── */

.empty-state {
    grid-column: 1 / -1;
    text-align: center;
    padding: 3rem 1rem;
    color: var(--color-text-secondary);
    opacity: 0.6;
    font-size: 0.95rem;
}

/* ── Dark mode adjustments ───────────────────────────────────────────────── */

@media (prefers-color-scheme: dark) {
    .page-header { background: #1e293b; }
    .search-wrap input { background: rgba(255,255,255,0.1); }
    .prompt-card:hover { box-shadow: 0 4px 12px rgba(0,0,0,0.4); }

    [data-cat="image-visual"]          .prompt-cat-badge { background: #3d2800; color: #ffb74d; }
    [data-cat="technology-ai"]         .prompt-cat-badge { background: #0d2137; color: #90caf9; }
    [data-cat="business-professional"] .prompt-cat-badge { background: #1a1f3d; color: #9fa8da; }
    [data-cat="multilingual"]          .prompt-cat-badge { background: #002b2e; color: #80deea; }
    [data-cat="education-teaching"]    .prompt-cat-badge { background: #1b3a1f; color: #a5d6a7; }
    [data-cat="research-analysis"]     .prompt-cat-badge { background: #3b0019; color: #f48fb1; }
    [data-cat="writing-creative"]      .prompt-cat-badge { background: #2a0845; color: #ce93d8; }
    [data-cat="games-entertainment"]   .prompt-cat-badge { background: #3e0d00; color: #ffab91; }
    [data-cat="social-media-marketing"] .prompt-cat-badge { background: #0a1929; color: #81d4fa; }
    [data-cat="legal-finance"]         .prompt-cat-badge { background: #1a2a00; color: #c5e1a5; }
    [data-cat="personal-development"]  .prompt-cat-badge { background: #3d2900; color: #ffe082; }
    [data-cat="lifestyle-home"]        .prompt-cat-badge { background: #3b0022; color: #f48fb1; }
    [data-cat="health-wellness"]       .prompt-cat-badge { background: #0d2612; color: #a5d6a7; }
    [data-cat="roleplay-character"]    .prompt-cat-badge { background: #1a0e3d; color: #b39ddb; }
    [data-cat="travel-culture"]        .prompt-cat-badge { background: #00201d; color: #80cbc4; }
    [data-cat="language-translation"]  .prompt-cat-badge { background: #001929; color: #81d4fa; }
    [data-cat="developer"]             .prompt-cat-badge { background: #0f0f1a; color: #e94560; }
    [data-cat="other"]                 .prompt-cat-badge { background: #1c2530; color: #90a4ae; }
}

/* ── Responsive ──────────────────────────────────────────────────────────── */

@media (max-width: 700px) {
    .page-body { flex-direction: column; height: auto; overflow: visible; }
    .sidebar { width: 100%; height: auto; border-right: none; border-bottom: 1px solid var(--color-border); display: flex; flex-wrap: wrap; gap: 0.25rem; padding: 0.5rem; }
    .sidebar-label { display: none; }
    .cat-btn { width: auto; border-left: none; border-radius: 20px; padding: 0.3rem 0.75rem; font-size: 0.8rem; }
    .cat-btn.active { border-left: none; outline: 2px solid var(--color-primary-dark); }
    .main-content { overflow: visible; }
    .cards-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 480px) {
    .cards-grid { grid-template-columns: 1fr; }
}