/* ══════════════════════════════════════════════════════════
   Course Page — shared styles for available / ongoing / recorded
   ══════════════════════════════════════════════════════════ */

/* ── Page layout ───────────────────────────── */
.cs-page { max-width: 800px; margin: 0 auto; padding: 48px 20px 80px; font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Helvetica Neue', sans-serif; }
.cs-page-title { font-size: 2rem; font-weight: 900; color: #0f172a; margin: 0 0 4px; letter-spacing: -0.025em; }
.cs-page-sub { font-size: 0.92rem; color: #64748b; margin: 0 0 40px; }

/* ── Card ──────────────────────────────────── */
.cs-card { background: #fff; border: 1px solid rgba(15,23,42,.09); border-radius: 20px; box-shadow: 0 4px 28px rgba(15,23,42,.07); overflow: hidden; margin-bottom: 28px; }
.cs-card-top { height: 4px; }

.cs-card-header { display: flex; align-items: flex-start; justify-content: space-between; gap: 16px; padding: 22px 26px 18px; }
.cs-card-level { display: inline-block; padding: 2px 10px; border-radius: 999px; font-size: 0.7rem; font-weight: 800; letter-spacing: .07em; text-transform: uppercase; margin-bottom: 6px; }
.cs-card-name { margin: 0 0 5px; font-size: 1.18rem; font-weight: 800; color: #0f172a; line-height: 1.25; }
.cs-card-desc { margin: 0; font-size: 0.82rem; color: #64748b; line-height: 1.5; }

.cs-signup-btn { flex-shrink: 0; display: inline-flex; align-items: center; gap: 4px; padding: 9px 20px; border-radius: 999px; background: #00a896; color: #fff !important; font-size: 0.82rem; font-weight: 700; text-decoration: none !important; white-space: nowrap; transition: background .15s, transform .15s, box-shadow .15s; box-shadow: 0 2px 10px rgba(0,168,150,.3); }
.cs-signup-btn:hover { background: #008b7d; transform: translateY(-2px); box-shadow: 0 4px 16px rgba(0,168,150,.4); color: #fff !important; }
.cs-signup-btn--blue { background: #2563eb; box-shadow: 0 2px 10px rgba(37,99,235,.3); }
.cs-signup-btn--blue:hover { background: #1d4ed8; box-shadow: 0 4px 16px rgba(37,99,235,.4); color: #fff !important; }
.cs-signup-btn--line { background: #06c755; box-shadow: 0 2px 10px rgba(6,199,85,.35); }
.cs-signup-btn--line:hover { background: #05a547; transform: translateY(-2px); box-shadow: 0 4px 16px rgba(6,199,85,.4); color: #fff !important; }
.cs-no-signup { flex-shrink: 0; padding: 9px 18px; border-radius: 999px; border: 1px dashed #cbd5e1; color: #94a3b8; font-size: 0.78rem; white-space: nowrap; }

/* ── Meta strip ────────────────────────────── */
.cs-meta { display: flex; flex-wrap: wrap; gap: 0; background: #f8fafc; border-top: 1px solid #f1f5f9; border-bottom: 1px solid #f1f5f9; }
.cs-meta-item { display: flex; align-items: center; gap: 7px; padding: 11px 22px; border-right: 1px solid #f1f5f9; }
.cs-meta-item:last-child { border-right: none; }
.cs-meta-item--holiday .cs-meta-value { color: #dc2626; }
.cs-meta-icon { font-size: .95rem; }
.cs-meta-label { font-size: .7rem; font-weight: 700; color: #94a3b8; letter-spacing: .04em; text-transform: uppercase; }
.cs-meta-value { font-size: .84rem; font-weight: 700; color: #1e293b; }

/* ── Accordion ─────────────────────────────── */
.cs-accordion { border-top: 1px solid #f1f5f9; }
.cs-accordion:last-child { border-bottom: none; }

.cs-accordion summary {
	display: flex; align-items: center; justify-content: space-between;
	padding: 14px 26px; cursor: pointer; list-style: none; user-select: none;
	transition: background .14s;
}
.cs-accordion summary::-webkit-details-marker { display: none; }
.cs-accordion summary:hover { background: #fafbfc; }

.cs-accordion-label { font-size: .78rem; font-weight: 800; color: #64748b; letter-spacing: .07em; text-transform: uppercase; }
.cs-accordion-icon { font-size: .75rem; color: #94a3b8; transition: transform .25s; }
.cs-accordion[open] .cs-accordion-icon { transform: rotate(180deg); }

.cs-accordion-body { padding: 4px 26px 20px; }

/* ── Outline list ──────────────────────────── */
.cs-outline-list { margin: 0; padding: 0; list-style: none; display: grid; grid-template-columns: repeat(2, 1fr); gap: 6px 16px; }
.cs-outline-list li { display: flex; align-items: flex-start; gap: 8px; font-size: .84rem; color: #334155; line-height: 1.45; }
.cs-outline-list li::before { content: ''; display: block; flex-shrink: 0; width: 6px; height: 6px; border-radius: 50%; background: #94a3b8; margin-top: 6px; }
.cs-outline-empty { font-size: .82rem; color: #94a3b8; font-style: italic; }

/* ── Schedule table ────────────────────────── */
.cs-schedule-table { width: 100%; border-collapse: collapse; font-size: .83rem; }
.cs-schedule-table th { text-align: left; padding: 7px 14px; font-size: .68rem; font-weight: 700; color: #94a3b8; letter-spacing: .06em; text-transform: uppercase; background: #f8fafc; border-bottom: 2px solid #e2e8f0; }
.cs-schedule-table td { padding: 7px 14px; border-bottom: 1px solid rgba(15,23,42,.04); color: #334155; vertical-align: middle; }
.cs-schedule-table tr:last-child td { border-bottom: none; }
.cs-schedule-table tr.cs-row-exam td { background: rgba(251,191,36,.06); }
.cs-row-holiday td { background: rgba(249,115,22,.09); color: #7c2d12; }
.cs-row-holiday .cs-date { color: #c2410c; }
.cs-row-holiday .cs-session { color: #9a3412; font-weight: 600; }
.cs-date { font-weight: 700; color: #0f172a; font-variant-numeric: tabular-nums; white-space: nowrap; }
.cs-session { color: #475569; }
.cs-badge-mid { display: inline-block; padding: 2px 8px; border-radius: 5px; background: #fef9c3; color: #854d0e; font-size: .72rem; font-weight: 700; }
.cs-badge-final { display: inline-block; padding: 2px 8px; border-radius: 5px; background: #fee2e2; color: #991b1b; font-size: .72rem; font-weight: 700; }
.cs-outline-empty, .cs-sched-empty { font-size: .82rem; color: #94a3b8; font-style: italic; }

/* ── Pricing ───────────────────────────────── */
.cs-pricing { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.cs-pricing--single { grid-template-columns: 1fr; max-width: 280px; }
.cs-price-card { border-radius: 14px; padding: 18px 22px; text-align: center; }
.cs-price-card--old { background: linear-gradient(135deg,#e8faf8,#ccfbf1); border: 1px solid #99f6e4; }
.cs-price-card--new { background: linear-gradient(135deg,#f0fdf4,#dcfce7); border: 1px solid #bbf7d0; }
.cs-price-type { font-size: .72rem; font-weight: 800; letter-spacing: .06em; text-transform: uppercase; margin: 0 0 6px; }
.cs-price-card--old .cs-price-type { color: #0f766e; }
.cs-price-card--new .cs-price-type { color: #15803d; }
.cs-price-amount { font-size: 1.6rem; font-weight: 900; letter-spacing: -.03em; margin: 0 0 3px; color: #0f172a; }
.cs-price-amount span { font-size: .85rem; font-weight: 600; color: #64748b; }
.cs-price-note { font-size: .72rem; color: #94a3b8; margin: 0; }
.cs-price-empty { font-size: .82rem; color: #94a3b8; font-style: italic; }

/* ── Notice blocks ─────────────────────────── */
.cs-notice-block {
  display: flex; align-items: flex-start; gap: 10px;
  padding: 12px 18px; border-radius: 10px; margin-bottom: 10px;
  font-size: 0.84rem; line-height: 1.55;
}
.cs-notice-block p { margin: 0; }
.cs-notice-block--blue { background: rgba(0,168,150,.06); border: 1px solid rgba(0,168,150,.18); color: #0f4c40; }
.cs-notice-block--amber { background: rgba(217,119,6,.06); border: 1px solid rgba(217,119,6,.2); color: #78350f; }
.cs-notice-block a { color: inherit; font-weight: 700; text-decoration: underline; }

/* ── Responsive ────────────────────────────── */
@media (max-width: 580px) {
	.cs-card-header { flex-direction: column; }
	.cs-card-header > a, .cs-card-header > span { align-self: flex-start; }
	.cs-page-title { font-size: 1.55rem; }
	.cs-pricing { grid-template-columns: 1fr; }
	.cs-outline-list { grid-template-columns: 1fr; }
	.cs-meta { flex-direction: column; }
	.cs-meta-item { border-right: none; border-bottom: 1px solid #f1f5f9; }
}