/* ============================================================
   NEB Archive — Textbooks Page Styles
   Inherits all tokens + base styles from style(pyqs).css
   Only textbook-specific components defined here.
   ============================================================ */

/* ── BOOK DISPLAY AREA ───────────────────────────────────── */

.book-display { padding-top: 28px; }

/* Single book card */
.book-card {
    display: grid;
    grid-template-columns: auto 1fr auto;
    align-items: center;
    gap: 20px;
    padding: 24px;
    border: 1px solid var(--border);
    border-radius: var(--r-lg);
    background: var(--surface);
    transition: transform var(--t), box-shadow var(--t), border-color var(--t);
    text-decoration: none;
    color: inherit;
    cursor: pointer;
}
.book-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
    border-color: var(--accent-soft);
}
.book-card.coming-soon {
    cursor: default;
    opacity: 0.6;
}
.book-card.coming-soon:hover {
    transform: none;
    box-shadow: none;
    border-color: var(--border);
}

.book-card-icon {
    width: 56px; height: 56px;
    display: grid; place-items: center;
    border-radius: var(--r);
    background: var(--accent-tint);
    color: var(--accent);
    flex-shrink: 0;
}
.book-card-icon svg { width: 24px; height: 24px; }

.book-card-body { display: flex; flex-direction: column; gap: 6px; }

.book-card-title {
    font-family: var(--font-display);
    font-size: 1.3rem;
    font-weight: var(--heading-weight);
    color: var(--ink);
    letter-spacing: -0.02em;
}

.book-card-sub {
    font-size: 0.85rem;
    color: var(--muted);
}

.book-card-badge {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    font-size: 0.75rem;
    font-weight: 600;
    padding: 3px 10px;
    border-radius: 999px;
    width: fit-content;
}
.book-card-badge.available {
    background: oklch(95% 0.04 145);
    color: oklch(38% 0.10 145);
}
[data-theme="dark"] .book-card-badge.available {
    background: oklch(28% 0.07 145);
    color: oklch(75% 0.08 145);
}
.book-card-badge.coming {
    background: var(--surface-3);
    color: var(--faint);
}

.book-card-action {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 11px 20px;
    background: var(--ink);
    color: var(--paper);
    border-radius: var(--r-sm);
    font-size: 0.88rem;
    font-weight: 600;
    white-space: nowrap;
    transition: background var(--t);
    flex-shrink: 0;
}
.book-card:hover .book-card-action {
    background: var(--accent);
}
.book-card-action svg { width: 16px; height: 16px; }

/* ── STREAM PILL (reused from pyqs but defined here for clarity) ── */
.stream-bar-label {
    font-size: 0.78rem; font-weight: 600; text-transform: uppercase;
    letter-spacing: 0.12em; color: var(--faint); white-space: nowrap; flex-shrink: 0;
}
.stream-pills { display: flex; gap: 8px; flex-wrap: wrap; }
.stream-pill {
    display: inline-flex; align-items: center; gap: 8px;
    padding: 9px 18px; border-radius: var(--r-sm);
    border: 1px solid var(--border-strong);
    background: transparent; color: var(--muted);
    font-family: inherit; font-size: 0.88rem; font-weight: 600;
    cursor: pointer; transition: background var(--t), color var(--t), border-color var(--t), box-shadow var(--t);
    white-space: nowrap;
}
.stream-pill svg { width: 15px; height: 15px; flex-shrink: 0; }
.stream-pill:hover { color: var(--ink); border-color: var(--accent-soft); background: var(--accent-tint); }
.stream-pill[aria-selected="true"] {
    background: var(--accent); color: var(--on-accent);
    border-color: var(--accent); box-shadow: var(--glow);
}

/* ── RECOMMENDED BOOKS (no official CDC PDF) ─────────────── */

.recommend-wrap { display: flex; flex-direction: column; gap: 16px; }

.recommend-note {
    display: flex; align-items: flex-start; gap: 10px;
    padding: 14px 16px;
    border: 1px solid var(--border);
    border-radius: var(--r);
    background: var(--surface-2);
    color: var(--muted);
    font-size: 0.86rem;
    line-height: 1.5;
}
.recommend-note svg { width: 17px; height: 17px; flex-shrink: 0; margin-top: 1px; color: var(--faint); }

.alt-book-list { display: flex; flex-direction: column; gap: 12px; }

/* ── RESPONSIVE ──────────────────────────────────────────── */
@media (max-width: 640px) {
    .book-card { grid-template-columns: auto 1fr; }
    .book-card-action { grid-column: 1 / -1; justify-content: center; }
}