/* ==========================================================================
   Course detail page — modern layout
   Everything is scoped under .cx-page so it cannot leak into other pages.
   Direction-agnostic: uses logical properties, so RTL works without overrides.
   Brand colour is injected inline from settings() as --cx-primary.
   ========================================================================== */

.cx-page {
    /* --cx-primary is overridden inline from settings('primary_color') so every
       deployment keeps its own branding. Hover states derive from it with a
       brightness filter, so no second colour needs configuring. */
    --cx-primary: #0066cc;
    --cx-hero-1: #232d3b;
    --cx-hero-2: #16202c;
    --cx-ink: #16202c;
    --cx-muted: #667085;
    --cx-line: #e6e9ef;
    --cx-bg: #f6f8fb;
    --cx-card: #fff;
    --cx-radius: 14px;
    --cx-shadow: 0 10px 30px -18px rgba(16, 32, 44, .35);

    background: var(--cx-bg);
    padding-bottom: 56px;
    color: var(--cx-ink);
}

.cx-container { max-width: 1180px; margin: 0 auto; padding: 0 16px; }

/* ---------- breadcrumb ---------- */
.cx-crumbs { padding: 14px 0; font-size: .86rem; }
.cx-crumbs ol { display: flex; flex-wrap: wrap; align-items: center; gap: 6px; margin: 0; padding: 0; list-style: none; }
.cx-crumbs a { color: var(--cx-muted); text-decoration: none; }
.cx-crumbs a:hover { color: var(--cx-primary); }
.cx-crumbs li + li::before { content: "›"; color: #b9c0cc; margin-inline-end: 6px; }
.cx-crumbs .is-current { color: var(--cx-ink); font-weight: 600; }

/* ---------- hero ---------- */
.cx-hero {
    background: linear-gradient(135deg, var(--cx-hero-1) 0%, var(--cx-hero-2) 100%);
    color: #fff;
    border-radius: var(--cx-radius);
    padding: 30px 32px 92px;
    position: relative;
    overflow: hidden;
}
.cx-hero::after {
    content: ""; position: absolute; inset-block-start: -40%; inset-inline-end: -10%;
    width: 380px; height: 380px; border-radius: 50%;
    background: rgba(255, 255, 255, .07);
}
.cx-hero-inner { position: relative; z-index: 1; max-width: 68%; }
.cx-title { font-size: clamp(1.5rem, 2.6vw, 2.15rem); font-weight: 800; line-height: 1.35; margin: 0 0 14px; color: #fff; }
.cx-meta { display: flex; flex-wrap: wrap; gap: 8px 22px; font-size: .92rem; }
.cx-meta span { display: inline-flex; align-items: center; gap: 7px; color: rgba(255, 255, 255, .92); }
.cx-meta i { opacity: .85; }
.cx-meta a { color: #fff; text-decoration: underline; text-underline-offset: 3px; }

/* ---------- layout ---------- */
.cx-grid { display: grid; grid-template-columns: 1fr 348px; gap: 24px; align-items: start; margin-top: -70px; }
.cx-main { min-width: 0; display: flex; flex-direction: column; gap: 20px; padding-top: 86px; }

/* ---------- sticky enrol card ---------- */
.cx-aside { position: sticky; top: 16px; }
.cx-card {
    background: var(--cx-card); border: 1px solid var(--cx-line);
    border-radius: var(--cx-radius); box-shadow: var(--cx-shadow); overflow: hidden;
}
.cx-thumb { display: block; width: 100%; aspect-ratio: 16 / 9; object-fit: cover; background: #eef1f6; }
.cx-card-body { padding: 18px; }

.cx-btn {
    display: flex; align-items: center; justify-content: center; gap: 9px;
    width: 100%; padding: 13px 18px; margin-bottom: 10px;
    font-size: 1rem; font-weight: 700; text-align: center;
    border: 1px solid transparent; border-radius: 10px; cursor: pointer;
    text-decoration: none; transition: transform .15s ease, box-shadow .2s ease, background .2s ease;
}
.cx-btn:last-child { margin-bottom: 0; }
.cx-btn:hover { transform: translateY(-1px); text-decoration: none; }
.cx-btn-primary { background: var(--cx-primary); color: #fff; box-shadow: 0 8px 18px -8px var(--cx-primary); }
.cx-btn-primary:hover { filter: brightness(.92); color: #fff; }
.cx-btn-success { background: #12b886; color: #fff; }
.cx-btn-success:hover { background: #0ca678; color: #fff; }
.cx-btn-ghost { background: #fff; color: var(--cx-ink); border-color: var(--cx-line); }
.cx-btn-ghost:hover { border-color: #c9d2e0; color: var(--cx-ink); }
.cx-btn-danger { background: #fff; color: #c92a2a; border-color: #f3c6c6; }
.cx-btn-danger:hover { background: #fff5f5; color: #c92a2a; }

/* status strips */
.cx-note { padding: 12px 14px; border-radius: 10px; font-size: .9rem; line-height: 1.6; margin-bottom: 10px; }
.cx-note-success { background: #e9f9f2; color: #0b6b4f; border: 1px solid #b7e6d2; }
.cx-note-warn    { background: #fff7e6; color: #8a5a00; border: 1px solid #f3dca7; }
.cx-note-danger  { background: #fdecec; color: #a82424; border: 1px solid #f3c6c6; }
.cx-note-info    { background: #eef4ff; color: #1d4ea8; border: 1px solid #c7d9f7; }
.cx-note strong  { font-weight: 700; }
.cx-note a { color: inherit; text-decoration: none; }

.cx-includes { list-style: none; margin: 16px 0 0; padding: 16px 0 0; border-top: 1px solid var(--cx-line); }
.cx-includes li { display: flex; align-items: center; gap: 11px; padding: 7px 0; font-size: .92rem; color: #3d4a5c; }
.cx-includes i { width: 18px; text-align: center; color: var(--cx-primary); }
.cx-includes-title { font-weight: 700; font-size: .95rem; margin-bottom: 2px; }

/* ---------- content cards ---------- */
.cx-block { background: var(--cx-card); border: 1px solid var(--cx-line); border-radius: var(--cx-radius); padding: 22px; }
.cx-block-title {
    display: flex; align-items: center; gap: 10px;
    font-size: 1.12rem; font-weight: 800; margin: 0 0 16px; color: var(--cx-ink);
}
.cx-block-title::before {
    content: ""; width: 4px; height: 20px; border-radius: 3px; background: var(--cx-primary); flex: none;
}
.cx-prose { font-size: .96rem; line-height: 1.9; color: #3d4a5c; word-break: break-word; }
.cx-prose img { max-width: 100%; height: auto; }

/* ---------- collapsible ("show more") ----------
   Self-contained: does NOT use main.js viewMore(), which hardcodes Arabic
   labels. The button hides itself when the content is short enough to fit. */
.cx-collapsible { --cx-clamp: 190px; }
.cx-collapsible-body {
    position: relative;
    max-height: var(--cx-clamp);
    overflow: hidden;
    transition: max-height .35s cubic-bezier(.4, 0, .2, 1);
}
/* fade-out mask, only while collapsed and only when there is more to reveal */
.cx-collapsible:not(.is-open):not(.is-static) .cx-collapsible-body::after {
    content: "";
    position: absolute; inset-inline: 0; bottom: 0; height: 90px;
    background: linear-gradient(to bottom, rgba(255, 255, 255, 0) 0%, var(--cx-card) 85%);
    pointer-events: none;
}
.cx-collapsible.is-static .cx-collapsible-body { max-height: none; }

.cx-more {
    display: flex; align-items: center; gap: 8px;
    margin: 14px auto 0; padding: 8px 20px;
    font: inherit; font-size: .88rem; font-weight: 700;
    color: var(--cx-primary); background: #fff;
    border: 1px solid var(--cx-line); border-radius: 999px;
    cursor: pointer; transition: border-color .18s ease, background .18s ease, box-shadow .18s ease;
}
.cx-more:hover { border-color: var(--cx-primary); box-shadow: 0 4px 12px -6px rgba(16, 32, 44, .4); }
.cx-more:focus-visible { outline: 2px solid var(--cx-primary); outline-offset: 2px; }
.cx-more i { font-size: .74rem; transition: transform .25s ease; }
.cx-collapsible.is-open .cx-more i { transform: rotate(180deg); }
.cx-more[hidden] { display: none; }

/* ---------- instructor ---------- */
.cx-tutor { display: flex; gap: 18px; align-items: flex-start; }
.cx-tutor + .cx-tutor { margin-top: 20px; padding-top: 20px; border-top: 1px solid var(--cx-line); }
.cx-tutor-avatar { width: 92px; height: 92px; border-radius: 50%; object-fit: cover; flex: none; border: 3px solid #fff; box-shadow: 0 0 0 1px var(--cx-line); }
.cx-tutor-name { font-size: 1.02rem; font-weight: 700; margin-bottom: 2px; }
.cx-tutor-name a { color: var(--cx-ink); text-decoration: none; }
.cx-tutor-name a:hover { color: var(--cx-primary); }
.cx-tutor-role { font-size: .86rem; color: var(--cx-muted); margin-bottom: 8px; }
.cx-tutor-stats { display: flex; flex-wrap: wrap; gap: 8px 18px; font-size: .86rem; color: var(--cx-muted); margin-bottom: 10px; }
.cx-tutor-stats i { color: var(--cx-primary); margin-inline-end: 6px; }

/* ---------- curriculum ---------- */
/* Title sits on its own line; the counts drop to a second line as chips. */
.cx-curriculum-head { margin-bottom: 18px; }
.cx-curriculum-head .cx-block-title { margin-bottom: 12px; }
.cx-stats { display: flex; flex-wrap: wrap; gap: 8px; }
.cx-stat {
    display: inline-flex; align-items: center; gap: 7px;
    padding: 6px 14px; border-radius: 999px;
    background: #f2f5f9; border: 1px solid var(--cx-line);
    font-size: .82rem; font-weight: 600; color: #4a5768; white-space: nowrap;
}
.cx-stat i { color: var(--cx-primary); font-size: .8rem; }

.cx-section-head {
    display: flex; align-items: center; gap: 12px;
    padding: 13px 16px; background: #f8fafc; border: 1px solid var(--cx-line);
    border-radius: 10px; cursor: pointer; font-size: .96rem;
    transition: background .18s ease;
}
/* Stacked so the name can never butt against the counts, whichever way the
   page reads. */
.cx-section-text { display: flex; flex-direction: column; gap: 3px; flex: 1; min-width: 0; }
.cx-section-name { font-weight: 700; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.cx-section-head:hover { background: #f1f5fa; }
.cx-section + .cx-section { margin-top: 10px; }
.cx-section-head .cx-chevron { transition: transform .2s ease; color: var(--cx-muted); flex: none; }
.cx-section-head[aria-expanded="true"] .cx-chevron { transform: rotate(90deg); }
.cx-section-head[aria-expanded="true"] { background: #eef4ff; border-color: #cfe0f8; }
.cx-section-meta { font-size: .8rem; font-weight: 600; color: var(--cx-muted); }

.cx-lessons { list-style: none; margin: 0; padding: 6px 0 0; }
.cx-lesson a {
    display: flex; align-items: center; gap: 11px;
    padding: 11px 14px; border-radius: 9px; text-decoration: none; color: #33404f;
    font-size: .93rem; transition: background .15s ease;
}
.cx-lesson a:hover { background: #f4f7fb; color: var(--cx-primary); text-decoration: none; }
.cx-lesson-icon { width: 26px; height: 26px; border-radius: 50%; display: inline-flex; align-items: center; justify-content: center; font-size: .72rem; flex: none; background: #eef1f6; color: #5b6879; }
.cx-lesson.is-quiz .cx-lesson-icon { background: #fff3e0; color: #b26a00; }
.cx-lesson.is-done .cx-lesson-icon { background: #e6f7ef; color: #0ca678; }
.cx-lesson-title { flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.cx-lesson-time { font-size: .8rem; color: var(--cx-muted); white-space: nowrap; flex: none; }
.cx-chip { font-size: .7rem; font-weight: 700; padding: 2px 8px; border-radius: 999px; background: #e6f7ef; color: #0b7a55; white-space: nowrap; flex: none; }

/* ---------- empty / gate ---------- */
.cx-gate { text-align: center; padding: 38px 22px; border: 1px dashed #cfd6e2; border-radius: 12px; background: #fbfcfe; }
.cx-gate-icon { font-size: 30px; color: #9aa6b6; margin-bottom: 12px; }
.cx-gate-title { font-weight: 700; margin-bottom: 6px; }
.cx-gate-text { color: var(--cx-muted); font-size: .92rem; margin-bottom: 16px; }
.cx-gate .cx-btn { display: inline-flex; width: auto; }

/* ---------- responsive ---------- */
@media (max-width: 1024px) {
    .cx-grid { grid-template-columns: 1fr; margin-top: -70px; }
    .cx-main { padding-top: 0; order: 2; }
    .cx-aside { position: static; order: 1; }
    .cx-hero { padding-bottom: 86px; }
    .cx-hero-inner { max-width: 100%; }
}
@media (max-width: 640px) {
    .cx-hero { padding: 22px 20px 78px; border-radius: 12px; }
    .cx-block { padding: 18px 16px; }
    .cx-tutor { flex-direction: column; align-items: center; text-align: center; }
    .cx-tutor-stats { justify-content: center; }
    .cx-section-head { padding: 12px 13px; font-size: .9rem; }
    .cx-lesson-time { display: none; }
}