/* JS Courses Public Styles */
:root {
    --jsc-purple: #780096;
    --jsc-purple-dark: #5e006b;
    --jsc-amber: #D97706;
    --jsc-radius: 8px;
}

/* Buttons */
.jsc-btn {
    display: inline-flex; align-items: center; gap: 6px;
    padding: 10px 20px; border-radius: var(--jsc-radius);
    font-weight: 600; text-decoration: none; cursor: pointer;
    border: 2px solid transparent; transition: all .2s;
    font-size: 15px; line-height: 1;
}
.jsc-btn--primary { background: var(--jsc-purple); color: #fff; }
.jsc-btn--primary:hover { background: var(--jsc-purple-dark); color: #fff; }
.jsc-btn--secondary { background: transparent; color: var(--jsc-purple); border-color: var(--jsc-purple); }
.jsc-btn--secondary:hover { background: var(--jsc-purple); color: #fff; }
.jsc-btn--ghost { background: transparent; color: #555; border-color: #ccc; }
.jsc-btn--ghost:hover { border-color: #999; }
.jsc-btn--download { background: var(--jsc-amber); color: #fff; }
.jsc-btn--lg { padding: 14px 28px; font-size: 17px; }

/* Progress bar */
.jsc-progress-bar { background: rgba(255,255,255,.3); border-radius: 20px; height: 8px; overflow: hidden; }
.jsc-progress-bar__fill { height: 100%; background: var(--jsc-amber); border-radius: 20px; transition: width .4s; }
.jsc-lesson-sidebar .jsc-progress-bar { background: #e0e0e0; }
.jsc-lesson-sidebar .jsc-progress-bar__fill { background: var(--jsc-purple); }

/* ── Course Landing Page ─────────────────────────────────────────────── */
.jsc-course-hero {
    position: relative; background: linear-gradient(135deg, var(--jsc-purple-dark), var(--jsc-purple));
    color: #fff; padding: 60px 40px; border-radius: var(--jsc-radius); margin-bottom: 40px;
    overflow: hidden;
}
.jsc-course-hero__bg {
    position: absolute; inset: 0; background-size: cover; background-position: center;
    opacity: .15;
}
.jsc-course-hero__content { position: relative; max-width: 700px; }
.jsc-course-hero h1 { font-size: 2.2rem; margin: 0 0 14px; color: #fff; }
.jsc-course-hero__excerpt { font-size: 1.1rem; opacity: .9; margin-bottom: 20px; }
.jsc-course-hero__meta { display: flex; gap: 18px; flex-wrap: wrap; margin-bottom: 24px; opacity: .85; }
.jsc-enrolled-badge { display: inline-flex; align-items: center; gap: 6px; background: rgba(255,255,255,.2); padding: 6px 14px; border-radius: 20px; margin-bottom: 10px; }
.jsc-price-tag { font-size: 2rem; font-weight: 700; margin-bottom: 14px; }

.jsc-course-body { display: grid; grid-template-columns: 1fr 380px; gap: 40px; }
.jsc-course-content { min-width: 0; }

/* Syllabus */
.jsc-course-syllabus h2 { margin-top: 0; }
.jsc-syllabus-item {
    display: flex; align-items: center; gap: 12px;
    padding: 12px 14px; border: 1px solid #e0e0e0;
    border-radius: var(--jsc-radius); margin-bottom: 6px; background: #fff;
}
.jsc-syllabus-item.jsc-done { border-color: var(--jsc-purple); background: #f8f0fb; }
.jsc-syllabus-item.jsc-locked { opacity: .6; }
.jsc-syl-num { width: 28px; height: 28px; border-radius: 50%; background: var(--jsc-purple); color: #fff; display: flex; align-items: center; justify-content: center; font-size: 13px; font-weight: 700; flex-shrink: 0; }
.jsc-syl-info { flex: 1; }
.jsc-syl-info a { color: inherit; font-weight: 600; }
.jsc-syl-badges { display: flex; gap: 6px; margin-top: 4px; }
.jsc-badge { font-size: 11px; background: #f0f0f0; padding: 2px 8px; border-radius: 10px; }
.jsc-badge--free { background: #d4edda; color: #155724; }
.jsc-syl-status { font-size: 18px; color: var(--jsc-purple); }

/* ── Lesson Page ─────────────────────────────────────────────────────── */
.jsc-lesson-page {
    display: grid; grid-template-columns: 280px 1fr;
    gap: 0; min-height: 80vh;
}

/* Sidebar */
.jsc-lesson-sidebar {
    background: #1a1a2e; color: #ccc;
    padding: 24px 0; position: sticky; top: 0;
    height: 100vh; overflow-y: auto;
}
.jsc-sidebar-course-title { padding: 0 18px 14px; border-bottom: 1px solid rgba(255,255,255,.1); }
.jsc-sidebar-course-title a { color: #fff; font-weight: 700; text-decoration: none; font-size: 14px; }
.jsc-sidebar-progress { padding: 14px 18px; border-bottom: 1px solid rgba(255,255,255,.1); }
.jsc-sidebar-progress small { color: rgba(255,255,255,.5); font-size: 11px; }
.jsc-lesson-nav-list { padding: 10px 0; }
.jsc-nav-lesson { padding: 10px 18px; border-left: 3px solid transparent; }
.jsc-nav-lesson--active { border-left-color: var(--jsc-amber); background: rgba(255,255,255,.06); }
.jsc-nav-lesson--done .jsc-nav-num { background: #22c55e; }
.jsc-nav-lesson a, .jsc-nav-lesson span { color: #ccc; text-decoration: none; font-size: 13px; display: flex; align-items: center; gap: 8px; }
.jsc-nav-lesson--active a { color: #fff; }
.jsc-nav-lesson a:hover { color: #fff; }
.jsc-nav-num { width: 20px; height: 20px; border-radius: 50%; background: rgba(255,255,255,.15); display: inline-flex; align-items: center; justify-content: center; font-size: 10px; font-weight: 700; flex-shrink: 0; }
.jsc-nav-locked { opacity: .5; }

/* Main */
.jsc-lesson-main { padding: 40px 50px; max-width: 860px; }
.jsc-lesson-header { display: flex; align-items: center; gap: 16px; margin-bottom: 24px; }
.jsc-lesson-header h1 { margin: 0; font-size: 1.8rem; }
.jsc-completed-badge { background: #d4edda; color: #155724; padding: 4px 12px; border-radius: 20px; font-size: 13px; white-space: nowrap; }

/* Video */
.jsc-lesson-video { margin-bottom: 28px; border-radius: var(--jsc-radius); overflow: hidden; aspect-ratio: 16/9; background: #000; }
.jsc-lesson-video iframe, .jsc-lesson-video video { width: 100% !important; height: 100% !important; }

/* Audio */
.jsc-lesson-audio { margin-bottom: 24px; background: #f0f0f0; padding: 16px; border-radius: var(--jsc-radius); }

/* Content */
.jsc-lesson-content { font-size: 1.05rem; line-height: 1.7; margin-bottom: 28px; }

/* Download */
.jsc-lesson-download { margin-bottom: 28px; }

/* Quiz */
.jsc-quiz { background: #f9f0fc; border: 2px solid #e8c8f0; border-radius: var(--jsc-radius); padding: 28px; margin-bottom: 28px; }
.jsc-quiz h2 { margin-top: 0; color: var(--jsc-purple); }
.jsc-quiz-info { color: #888; margin-bottom: 20px; }
.jsc-question { margin-bottom: 22px; }
.jsc-q-text { font-weight: 600; margin-bottom: 10px; }
.jsc-answer { display: block; padding: 8px 12px; background: #fff; border: 1px solid #ddd; border-radius: 6px; margin-bottom: 6px; cursor: pointer; transition: border-color .15s; }
.jsc-answer:hover { border-color: var(--jsc-purple); }
.jsc-answer.correct { border-color: #22c55e; background: #dcfce7; }
.jsc-answer.wrong { border-color: #ef4444; background: #fee2e2; }

/* Quiz result */
#jsc-quiz-result { border-radius: var(--jsc-radius); padding: 20px; margin-top: 16px; text-align: center; }
#jsc-quiz-result.passed { background: #dcfce7; border: 2px solid #22c55e; }
#jsc-quiz-result.failed { background: #fee2e2; border: 2px solid #ef4444; }
#jsc-quiz-result h3 { margin-top: 0; font-size: 1.5rem; }

/* Footer nav */
.jsc-lesson-footer { display: flex; align-items: center; justify-content: space-between; padding-top: 28px; border-top: 1px solid #eee; }
.jsc-lesson-pagination { display: flex; gap: 10px; margin-left: auto; }

/* Locked notice */
.jsc-locked-notice { text-align: center; padding: 60px 40px; }
.jsc-locked-notice h2 { font-size: 2rem; }

/* Course card shortcode */
.jsc-course-card { border: 1px solid #e0e0e0; border-radius: var(--jsc-radius); overflow: hidden; max-width: 480px; }
.jsc-course-card__thumb img { width: 100%; display: block; }
.jsc-course-card__body { padding: 20px; }
.jsc-course-card__meta { display: flex; gap: 14px; flex-wrap: wrap; margin: 12px 0; color: #666; font-size: 14px; }
.jsc-price { font-size: 1.2rem; font-weight: 700; color: var(--jsc-purple); }

/* My courses */
.jsc-my-courses { display: grid; grid-template-columns: repeat(auto-fill,minmax(260px,1fr)); gap: 20px; }
.jsc-my-course-item { border: 1px solid #e0e0e0; border-radius: var(--jsc-radius); overflow: hidden; }
.jsc-my-course__thumb img { width: 100%; }
.jsc-my-course__body { padding: 16px; }
.jsc-my-course__body h4 { margin: 0 0 10px; }

@media (max-width: 900px) {
    .jsc-lesson-page { grid-template-columns: 1fr; }
    .jsc-lesson-sidebar { height: auto; position: relative; }
    .jsc-lesson-main { padding: 24px 20px; }
    .jsc-course-body { grid-template-columns: 1fr; }
}