/**
 * ACA Club de Lecture — Public CSS
 *
 * Dark theme matching ACA ecosystem.  Mobile-first.
 * Reuses design tokens from Commerce public.css.
 */

/* ─────────────────────────────────────────────
 * Design Tokens (from Commerce)
 * ───────────────────────────────────────────── */

.aca-cdl-root {
    --aca-bg-deep:     #0f0f1e;
    --aca-bg-1:        #1a1a2e;
    --aca-bg-2:        #22223e;
    --aca-bg-3:        #2a2a4e;
    --aca-border:      rgba(255, 255, 255, 0.08);
    --aca-border-2:    rgba(255, 255, 255, 0.12);
    --aca-pink:        #e94560;
    --aca-pink-glow:   rgba(233, 69, 96, 0.4);
    --aca-cyan:        #00d2ff;
    --aca-cyan-glow:   rgba(0, 210, 255, 0.4);
    --aca-yellow:      #f5c518;
    --aca-purple:      #b44aff;
    --aca-purple-glow: rgba(180, 74, 255, 0.4);
    --aca-green:       #52d060;
    --aca-text:        #ffffff;
    --aca-text-dim:    #b0bace;
    --aca-text-muted:  #6a7490;
    --aca-radius:      16px;
    --aca-radius-sm:   10px;
    --aca-radius-pill: 999px;
    --aca-font:        'Nunito', 'Segoe UI', system-ui, sans-serif;
    --aca-motion-fast: 120ms;
    --aca-motion-base: 220ms;
}

/* ─────────────────────────────────────────────
 * Root
 * ───────────────────────────────────────────── */

.aca-cdl-root {
    font-family: var(--aca-font);
    color: var(--aca-text);
    background: var(--aca-bg-deep);
    border-radius: var(--aca-radius);
    padding: 32px 20px;
    max-width: 1100px;
    margin: 0 auto;
    -webkit-font-smoothing: antialiased;
}

.aca-cdl-root *,
.aca-cdl-root *::before,
.aca-cdl-root *::after {
    box-sizing: border-box;
}

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

.aca-cdl-catalog-header {
    text-align: center;
    margin-bottom: 32px;
}

.aca-cdl-catalog-title {
    font-size: 28px;
    font-weight: 800;
    margin: 0 0 8px;
    background: linear-gradient(135deg, var(--aca-pink), var(--aca-purple));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.aca-cdl-catalog-subtitle {
    font-size: 16px;
    color: var(--aca-text-dim);
    margin: 0;
    font-weight: 500;
}

/* ─────────────────────────────────────────────
 * Empty State
 * ───────────────────────────────────────────── */

.aca-cdl-empty {
    text-align: center;
    padding: 60px 20px;
}

.aca-cdl-empty__icon {
    font-size: 48px;
    margin-bottom: 16px;
}

.aca-cdl-empty__text {
    color: var(--aca-text-dim);
    font-size: 16px;
    line-height: 1.6;
}

/* ─────────────────────────────────────────────
 * Catalog Grid
 * ───────────────────────────────────────────── */

.aca-cdl-catalog-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 20px;
}

@media (min-width: 640px) {
    .aca-cdl-catalog-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 960px) {
    .aca-cdl-catalog-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* ─────────────────────────────────────────────
 * Card
 * ───────────────────────────────────────────── */

.aca-cdl-card {
    background: var(--aca-bg-2);
    border: 1px solid var(--aca-border);
    border-radius: var(--aca-radius);
    overflow: hidden;
    transition: transform var(--aca-motion-base), box-shadow var(--aca-motion-base);
}

.aca-cdl-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
}

.aca-cdl-card__cover {
    position: relative;
    aspect-ratio: 4 / 3;
    overflow: hidden;
    background: linear-gradient(135deg, var(--aca-bg-3), var(--aca-bg-1));
    display: flex;
    align-items: center;
    justify-content: center;
}

.aca-cdl-card__cover img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.aca-cdl-card__cover-placeholder {
    font-size: 48px;
    opacity: 0.5;
}

.aca-cdl-card__badge {
    position: absolute;
    top: 10px;
    right: 10px;
    padding: 4px 10px;
    background: rgba(0, 210, 255, 0.15);
    color: var(--aca-cyan);
    border: 1px solid rgba(0, 210, 255, 0.3);
    border-radius: var(--aca-radius-pill);
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.aca-cdl-card__body {
    padding: 16px;
}

.aca-cdl-card__book-title {
    font-size: 16px;
    font-weight: 700;
    margin: 0 0 4px;
    color: var(--aca-text);
}

.aca-cdl-card__author {
    font-size: 13px;
    color: var(--aca-text-dim);
    margin: 0 0 12px;
}

.aca-cdl-card__meta {
    display: flex;
    flex-direction: column;
    gap: 4px;
    font-size: 13px;
    color: var(--aca-text-muted);
    margin-bottom: 14px;
}

.aca-cdl-card__footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 12px;
    border-top: 1px solid var(--aca-border);
}

.aca-cdl-card__spots {
    font-size: 12px;
    color: var(--aca-green);
    font-weight: 600;
}

.aca-cdl-card__spots--low {
    color: var(--aca-pink);
}

.aca-cdl-card__cta {
    display: inline-flex;
    padding: 7px 14px;
    background: linear-gradient(135deg, var(--aca-pink), var(--aca-purple));
    color: #fff;
    border-radius: var(--aca-radius-sm);
    font-size: 13px;
    font-weight: 700;
    text-decoration: none;
    transition: opacity var(--aca-motion-fast);
}

.aca-cdl-card__cta:hover {
    opacity: 0.85;
    color: #fff;
}

/* ─────────────────────────────────────────────
 * Detail Page
 * ───────────────────────────────────────────── */

.aca-cdl-back-link {
    display: inline-block;
    color: var(--aca-cyan);
    font-size: 14px;
    font-weight: 600;
    text-decoration: none;
    margin-bottom: 24px;
    transition: opacity var(--aca-motion-fast);
}
.aca-cdl-back-link:hover { opacity: 0.7; }

.aca-cdl-detail {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

/* Book section */
.aca-cdl-detail__book {
    display: flex;
    gap: 24px;
    flex-wrap: wrap;
}

.aca-cdl-detail__cover {
    width: 160px;
    flex-shrink: 0;
    border-radius: var(--aca-radius-sm);
    overflow: hidden;
    background: linear-gradient(135deg, var(--aca-bg-3), var(--aca-bg-1));
}

.aca-cdl-detail__cover img {
    width: 100%;
    height: auto;
    display: block;
}

.aca-cdl-detail__cover-placeholder {
    width: 160px;
    height: 220px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 48px;
    opacity: 0.5;
}

.aca-cdl-detail__book-info {
    flex: 1;
    min-width: 200px;
}

.aca-cdl-detail__title {
    font-size: 24px;
    font-weight: 800;
    margin: 0 0 6px;
}

.aca-cdl-detail__author {
    font-size: 15px;
    color: var(--aca-text-dim);
    margin: 0 0 14px;
}

.aca-cdl-detail__tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 14px;
}

.aca-cdl-tag {
    padding: 4px 10px;
    background: rgba(0, 210, 255, 0.10);
    color: var(--aca-cyan);
    border: 1px solid rgba(0, 210, 255, 0.25);
    border-radius: var(--aca-radius-pill);
    font-size: 12px;
    font-weight: 600;
}

.aca-cdl-detail__pitch {
    color: var(--aca-text-dim);
    font-size: 15px;
    line-height: 1.6;
    margin: 0;
}

/* Info box */
.aca-cdl-detail__info-box {
    background: var(--aca-bg-2);
    border: 1px solid var(--aca-border-2);
    border-radius: var(--aca-radius);
    padding: 24px;
}

.aca-cdl-detail__info-box h2 {
    font-size: 18px;
    font-weight: 700;
    margin: 0 0 16px;
    color: var(--aca-yellow);
}

.aca-cdl-detail__info-list {
    list-style: none;
    padding: 0;
    margin: 0 0 20px;
}

.aca-cdl-detail__info-list li {
    padding: 8px 0;
    font-size: 14px;
    color: var(--aca-text-dim);
    border-bottom: 1px solid var(--aca-border);
}

.aca-cdl-detail__info-list li:last-child {
    border-bottom: none;
}

.aca-cdl-detail__info-list strong {
    color: var(--aca-text);
}

.aca-cdl-detail__price-row {
    display: flex;
    align-items: baseline;
    gap: 10px;
    margin-bottom: 12px;
}

.aca-cdl-detail__price {
    font-size: 32px;
    font-weight: 800;
    color: var(--aca-text);
}

.aca-cdl-detail__price-note {
    font-size: 13px;
    color: var(--aca-text-muted);
}

.aca-cdl-detail__spots {
    font-size: 14px;
    color: var(--aca-text-dim);
    margin-bottom: 20px;
}

.aca-cdl-detail__spots-count {
    font-weight: 700;
    color: var(--aca-green);
}

.aca-cdl-detail__spots-count--low {
    color: var(--aca-pink);
}

.aca-cdl-detail__cta-wrap {
    text-align: center;
    padding-top: 16px;
    border-top: 1px solid var(--aca-border);
}

.aca-cdl-detail__cta {
    display: inline-block;
    padding: 14px 32px;
    background: linear-gradient(135deg, var(--aca-pink), var(--aca-purple));
    color: #fff;
    border-radius: var(--aca-radius-sm);
    font-size: 16px;
    font-weight: 700;
    text-decoration: none;
    transition: opacity var(--aca-motion-fast);
}

.aca-cdl-detail__cta:hover {
    opacity: 0.85;
    color: #fff;
}

.aca-cdl-detail__cta--disabled {
    opacity: 0.5;
    cursor: not-allowed;
    pointer-events: none;
}

.aca-cdl-detail__cta-note {
    font-size: 13px;
    color: var(--aca-text-muted);
    margin-top: 10px;
}

/* Schedule */
.aca-cdl-detail__schedule {
    background: var(--aca-bg-2);
    border: 1px solid var(--aca-border-2);
    border-radius: var(--aca-radius);
    padding: 24px;
}

.aca-cdl-detail__schedule h2 {
    font-size: 18px;
    font-weight: 700;
    margin: 0 0 16px;
}

.aca-cdl-detail__sessions-list {
    display: flex;
    flex-direction: column;
    gap: 0;
}

.aca-cdl-session-row {
    display: grid;
    grid-template-columns: 60px 1fr 1.5fr;
    gap: 12px;
    align-items: center;
    padding: 10px 0;
    border-bottom: 1px solid var(--aca-border);
    font-size: 14px;
}

.aca-cdl-session-row:last-child {
    border-bottom: none;
}

.aca-cdl-session-row__week {
    font-weight: 700;
    color: var(--aca-cyan);
    font-size: 12px;
    text-transform: uppercase;
}

.aca-cdl-session-row__date {
    color: var(--aca-text-dim);
}

.aca-cdl-session-row__topic {
    color: var(--aca-text);
    font-weight: 500;
}

.aca-cdl-session-row__topic--tbd {
    color: var(--aca-text-muted);
    font-style: italic;
}

/* Not found */
.aca-cdl-not-found {
    text-align: center;
    padding: 40px 20px;
    color: var(--aca-text-muted);
    font-size: 16px;
}

/* ─────────────────────────────────────────────
 * Parent Dashboard
 * ───────────────────────────────────────────── */

.aca-cdl-parent-cards {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.aca-cdl-parent-card {
    background: var(--aca-bg-2);
    border: 1px solid var(--aca-border-2);
    border-radius: var(--aca-radius);
    padding: 24px;
}

.aca-cdl-parent-card__header {
    margin-bottom: 16px;
}

.aca-cdl-parent-card__child {
    display: flex;
    align-items: center;
    gap: 12px;
}

.aca-cdl-parent-card__avatar {
    font-size: 28px;
}

.aca-cdl-parent-card__child strong {
    display: block;
    font-size: 17px;
}

.aca-cdl-parent-card__status {
    font-size: 12px;
    font-weight: 600;
    padding: 2px 8px;
    border-radius: var(--aca-radius-pill);
}

.aca-cdl-parent-card__status--open,
.aca-cdl-parent-card__status--active {
    background: rgba(82, 208, 96, 0.12);
    color: var(--aca-green);
}

.aca-cdl-parent-card__status--completed {
    background: rgba(180, 74, 255, 0.12);
    color: var(--aca-purple);
}

.aca-cdl-parent-card__book {
    margin-bottom: 12px;
}

.aca-cdl-parent-card__book-title {
    font-size: 15px;
    font-weight: 700;
    margin: 0 0 2px;
}

.aca-cdl-parent-card__book-author {
    font-size: 13px;
    color: var(--aca-text-dim);
    margin: 0;
}

.aca-cdl-parent-card__schedule {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    font-size: 13px;
    color: var(--aca-text-muted);
    margin-bottom: 16px;
}

.aca-cdl-parent-card__next {
    background: var(--aca-bg-3);
    border-radius: var(--aca-radius-sm);
    padding: 16px;
    margin-bottom: 12px;
}

.aca-cdl-parent-card__next-label {
    font-size: 12px;
    font-weight: 700;
    color: var(--aca-yellow);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin: 0 0 6px;
}

.aca-cdl-parent-card__next-date {
    font-size: 15px;
    font-weight: 600;
    margin: 0 0 4px;
}

.aca-cdl-parent-card__next-topic {
    font-size: 14px;
    color: var(--aca-text-dim);
    margin: 0 0 12px;
}

.aca-cdl-parent-card__next--done {
    background: rgba(180, 74, 255, 0.08);
    color: var(--aca-text-dim);
}

.aca-cdl-parent-card__next--done p { margin: 0; }

.aca-cdl-parent-card__zoom-btn {
    display: inline-block;
    padding: 8px 18px;
    background: linear-gradient(135deg, var(--aca-pink), var(--aca-purple));
    color: #fff;
    border-radius: var(--aca-radius-sm);
    font-size: 13px;
    font-weight: 700;
    text-decoration: none;
    transition: opacity var(--aca-motion-fast);
}

.aca-cdl-parent-card__zoom-btn:hover { opacity: 0.85; color: #fff; }

.aca-cdl-parent-card__shipping {
    font-size: 13px;
    padding-top: 12px;
    border-top: 1px solid var(--aca-border);
}

.aca-cdl-parent-card__shipped {
    color: var(--aca-green);
    font-weight: 600;
}

.aca-cdl-parent-card__pending {
    color: var(--aca-text-muted);
}

/* ─────────────────────────────────────────────
 * Traces in Parent Dashboard (Phase 2)
 * ───────────────────────────────────────────── */

.aca-cdl-parent-card__traces {
    margin-bottom: 16px;
    padding: 16px;
    background: var(--aca-bg-3);
    border-radius: var(--aca-radius-sm);
}

.aca-cdl-parent-card__traces--empty {
    opacity: 0.7;
}

.aca-cdl-parent-card__traces-title {
    font-size: 12px;
    font-weight: 700;
    color: var(--aca-cyan);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin: 0 0 12px;
}

.aca-cdl-traces-week {
    margin-bottom: 14px;
}

.aca-cdl-traces-week:last-child {
    margin-bottom: 0;
}

.aca-cdl-traces-week__label {
    font-size: 13px;
    font-weight: 600;
    color: var(--aca-text-dim);
    margin: 0 0 8px;
    padding-bottom: 4px;
    border-bottom: 1px solid var(--aca-border);
}

.aca-cdl-trace-item {
    display: flex;
    align-items: flex-start;
    gap: 8px;
    padding: 6px 0;
    font-size: 14px;
}

.aca-cdl-trace-item__badge {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 999px;
    font-size: 11px;
    font-weight: 600;
    white-space: nowrap;
    flex-shrink: 0;
    margin-top: 2px;
}

.aca-cdl-trace-item__badge--response   { background: rgba(0, 122, 255, 0.15); color: #4da3ff; }
.aca-cdl-trace-item__badge--reflection { background: rgba(180, 74, 255, 0.15); color: #c084fc; }
.aca-cdl-trace-item__badge--drawing    { background: rgba(255, 149, 0, 0.15); color: #ffb347; }
.aca-cdl-trace-item__badge--photo      { background: rgba(82, 208, 96, 0.15); color: var(--aca-green); }
.aca-cdl-trace-item__badge--audio      { background: rgba(255, 45, 135, 0.15); color: var(--aca-pink); }
.aca-cdl-trace-item__badge--highlight  { background: rgba(255, 212, 0, 0.15); color: var(--aca-yellow); }

.aca-cdl-trace-item__content {
    color: var(--aca-text);
    line-height: 1.4;
}

.aca-cdl-trace-item__empty {
    font-size: 14px;
    color: var(--aca-text-muted);
    margin: 0;
    font-style: italic;
}

/* ─────────────────────────────────────────────
 * Accessibility
 * ───────────────────────────────────────────── */

.aca-cdl-root :focus-visible {
    outline: 2px solid var(--aca-cyan);
    outline-offset: 2px;
}

@media (prefers-reduced-motion: reduce) {
    .aca-cdl-card,
    .aca-cdl-card__cta,
    .aca-cdl-detail__cta,
    .aca-cdl-back-link {
        transition: none;
    }
    .aca-cdl-card:hover {
        transform: none;
    }
}

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

@media (max-width: 639px) {
    .aca-cdl-root {
        padding: 20px 16px;
        border-radius: 0;
    }

    .aca-cdl-detail__book {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }

    .aca-cdl-detail__tags {
        justify-content: center;
    }

    .aca-cdl-session-row {
        grid-template-columns: 50px 1fr;
    }

    .aca-cdl-session-row__topic {
        grid-column: 1 / -1;
        padding-left: 50px;
        margin-top: -4px;
    }

    .aca-cdl-detail__price {
        font-size: 28px;
    }
}

/* ═══════════════════════════════════════════
 *  CALENDAR LINKS (Phase 3)
 * ═══════════════════════════════════════════ */

.aca-cdl-parent-card__calendar-links {
    display: flex;
    gap: 12px;
    margin-top: 10px;
    justify-content: center;
}

.aca-cdl-cal-link {
    color: #00d2ff;
    font-size: 13px;
    text-decoration: none;
    padding: 4px 10px;
    border: 1px solid rgba(0, 210, 255, 0.25);
    border-radius: 6px;
    transition: background 0.2s, border-color 0.2s;
}

.aca-cdl-cal-link:hover {
    background: rgba(0, 210, 255, 0.1);
    border-color: rgba(0, 210, 255, 0.5);
    text-decoration: none;
    color: #00d2ff;
}

/* ═══════════════════════════════════════════
 *  WAITLIST (Phase 5)
 * ═══════════════════════════════════════════ */

.aca-cdl-detail__cta--waitlist {
    background: linear-gradient(135deg, #f5c518, #ff9d2e) !important;
    color: #2a2300 !important;
}

.aca-cdl-detail__cta--waitlist:hover {
    filter: brightness(1.05);
}

.aca-cdl-detail__waitlist-count {
    display: inline-block;
    margin-top: 6px;
    color: #f5c518;
    font-weight: 700;
    font-size: 13px;
}

.aca-cdl-parent-card__status--waitlist {
    background: rgba(245, 197, 24, 0.18);
    color: #f5c518;
}

.aca-cdl-parent-card__next--waitlist {
    background: rgba(245, 197, 24, 0.08);
    border: 1px solid rgba(245, 197, 24, 0.25);
}

.aca-cdl-parent-card__next--waitlist .aca-cdl-parent-card__next-label {
    color: #f5c518;
}

/* ═══════════════════════════════════════════
 *  INVITE A FRIEND (Commerce referral bridge)
 * ═══════════════════════════════════════════ */

.aca-cdl-invite {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    flex-wrap: wrap;
    background: linear-gradient(135deg, rgba(46, 204, 113, 0.12), rgba(0, 210, 255, 0.10));
    border: 1px solid rgba(46, 204, 113, 0.3);
    border-radius: 16px;
    padding: 20px 24px;
    margin-bottom: 24px;
}

.aca-cdl-invite__title {
    margin: 0 0 4px;
    font-size: 17px;
    font-weight: 800;
    color: #fff;
}

.aca-cdl-invite__sub {
    margin: 0;
    font-size: 14px;
    color: #b0bace;
    line-height: 1.45;
}

.aca-cdl-invite__stat {
    color: #2ecc71;
    font-weight: 700;
}

.aca-cdl-invite__action {
    display: flex;
    gap: 8px;
    align-items: center;
    flex: 1;
    min-width: 260px;
    max-width: 420px;
}

.aca-cdl-invite__link {
    flex: 1;
    background: rgba(0, 0, 0, 0.25);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 8px;
    padding: 9px 12px;
    color: #d0d8ea;
    font-size: 13px;
    font-family: monospace;
}

.aca-cdl-invite__btn {
    cursor: pointer;
    white-space: nowrap;
    background: linear-gradient(135deg, #2ecc71, #16a34a);
    color: #fff;
    border: none;
    border-radius: 8px;
    padding: 9px 16px;
    font-weight: 700;
    font-size: 13px;
}

.aca-cdl-invite__btn:hover { filter: brightness(1.08); }

/* Re-enroll CTA on completed cohorts */
.aca-cdl-parent-card__reenroll-btn {
    display: inline-block;
    margin-top: 12px;
    background: linear-gradient(135deg, #e94560, #b44aff);
    color: #fff;
    padding: 9px 20px;
    border-radius: 9px;
    text-decoration: none;
    font-weight: 700;
    font-size: 14px;
}

.aca-cdl-parent-card__reenroll-btn:hover {
    filter: brightness(1.08);
    color: #fff;
}

/* Compact invite inside cohort detail */
.aca-cdl-detail__invite {
    margin-top: 16px;
    padding-top: 16px;
    border-top: 1px dashed rgba(255, 255, 255, 0.12);
}

.aca-cdl-detail__invite-text {
    margin: 0 0 10px;
    font-size: 13px;
    color: #b0bace;
    line-height: 1.45;
}

.aca-cdl-detail__invite-row {
    display: flex;
    gap: 8px;
    align-items: center;
}