@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@500;600;700&family=IBM+Plex+Mono:wght@400;500&family=Inter:wght@400;500;600&display=swap');

:root {
  --bg: #0E1A24;
  --panel: #142530;
  --panel-2: #182b38;
  --line: rgba(255,255,255,0.07);
  --text: #E7EEF2;
  --muted: #8CA3B0;
  --gold: #D9B23A;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html, body { background: var(--bg); color: var(--text); font-family: 'Inter', sans-serif; }
body { min-height: 100vh; position: relative; }
button { font-family: inherit; }
a { color: inherit; text-decoration: none; }

.grid-overlay {
  position: fixed; inset: 0; pointer-events: none; z-index: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.035) 1px, transparent 1px);
  background-size: 32px 32px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 0%, black 40%, transparent 90%);
}

/* Site header */
.site-header { position: relative; z-index: 1; display: flex; align-items: center; justify-content: space-between; padding: 18px 24px; border-bottom: 1px solid var(--line); max-width: 1080px; margin: 0 auto; }
.brand { display: flex; align-items: center; gap: 8px; font-family: 'Space Grotesk', sans-serif; font-weight: 700; font-size: 18px; cursor: pointer; }
.brand-mark { width: 26px; height: 26px; border: 2px solid var(--gold); border-radius: 4px; display: flex; align-items: center; justify-content: center; color: var(--gold); font-family: 'IBM Plex Mono', monospace; font-size: 13px; }
.brand-domain { color: var(--muted); font-family: 'IBM Plex Mono', monospace; font-size: 12px; }

.app-inner { position: relative; z-index: 1; max-width: 1080px; margin: 0 auto; padding: 28px 24px 80px; }

/* Breadcrumb */
.crumb { display: flex; align-items: center; gap: 6px; margin-bottom: 28px; font-family: 'IBM Plex Mono', monospace; font-size: 12px; flex-wrap: wrap; }
.crumb-item { background: none; border: none; color: var(--muted); cursor: pointer; display: flex; align-items: center; gap: 4px; padding: 4px 6px; border-radius: 4px; font-size: 12px; }
.crumb-item:hover { color: var(--text); background: var(--panel); }
.crumb-current { color: var(--accent, var(--text)); }
.crumb-sep { color: var(--line); }

/* Hero */
.hero { margin-bottom: 40px; }
.hero-eyebrow { display: inline-flex; align-items: center; gap: 6px; font-family: 'IBM Plex Mono', monospace; font-size: 11px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--muted); border: 1px solid var(--line); padding: 5px 10px; border-radius: 20px; margin-bottom: 18px; }
.hero-title { font-family: 'Space Grotesk', sans-serif; font-weight: 700; font-size: 42px; line-height: 1.05; margin: 0 0 12px; }
.hero-dot { color: var(--gold); }
.hero-sub { color: var(--muted); font-size: 15px; max-width: 560px; line-height: 1.6; margin: 0; }

.screen { animation: fadein 0.25s ease; }
@keyframes fadein { from { opacity: 0; transform: translateY(4px); } to { opacity: 1; transform: none; } }

/* Corner frame - signature element */
.corner-frame { position: relative; padding: 2px; }
.cf-corner { position: absolute; width: 12px; height: 12px; pointer-events: none; opacity: 0.9; }
.cf-tl { top: 0; left: 0; border-top: 2px solid var(--accent); border-left: 2px solid var(--accent); }
.cf-tr { top: 0; right: 0; border-top: 2px solid var(--accent); border-right: 2px solid var(--accent); }
.cf-bl { bottom: 0; left: 0; border-bottom: 2px solid var(--accent); border-left: 2px solid var(--accent); }
.cf-br { bottom: 0; right: 0; border-bottom: 2px solid var(--accent); border-right: 2px solid var(--accent); }

/* Field grid */
.field-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(230px, 1fr)); gap: 16px; }
.field-card-btn { width: 100%; text-align: left; background: var(--panel); border: 1px solid var(--line); border-radius: 2px; padding: 20px; cursor: pointer; color: var(--text); transition: background 0.15s, transform 0.15s; display: flex; flex-direction: column; gap: 10px; }
.field-card-btn:hover { background: var(--panel-2); transform: translateY(-2px); }
.field-card-top { display: flex; justify-content: space-between; align-items: center; }
.field-code { font-family: 'IBM Plex Mono', monospace; font-size: 11px; color: var(--accent); letter-spacing: 0.1em; }
.field-name { font-family: 'Space Grotesk', sans-serif; font-size: 18px; font-weight: 600; margin: 0; }
.field-tagline { color: var(--muted); font-size: 13px; margin: 0; }
.field-stat-row { font-family: 'IBM Plex Mono', monospace; font-size: 11px; color: var(--muted); display: flex; gap: 6px; margin-top: 4px; }
.dot-sep { color: var(--line); }

/* Back link */
.back-link { background: none; border: none; color: var(--muted); font-size: 13px; display: inline-flex; align-items: center; gap: 6px; cursor: pointer; margin-bottom: 20px; padding: 4px 0; }
.back-link:hover { color: var(--accent); }

/* Field screen */
.field-header { display: flex; align-items: center; gap: 14px; margin-bottom: 32px; }
.field-header-icon { font-family: 'IBM Plex Mono', monospace; font-size: 22px; color: var(--accent); border: 2px solid var(--accent); border-radius: 6px; width: 48px; height: 48px; display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.screen-title { font-family: 'Space Grotesk', sans-serif; font-weight: 700; font-size: 26px; margin: 0; }
.screen-title-muted { color: var(--muted); font-weight: 500; font-size: 16px; }
.screen-sub { color: var(--muted); font-size: 14px; margin: 4px 0 0; }

.level-track { display: flex; flex-direction: column; gap: 10px; margin-top: 24px; }
.level-row { display: flex; align-items: center; gap: 16px; background: var(--panel); border: 1px solid var(--line); border-left: 3px solid var(--accent); padding: 16px 18px; cursor: pointer; text-align: left; color: var(--text); border-radius: 2px; transition: background 0.15s; width: 100%; }
.level-row:hover { background: var(--panel-2); }
.level-num { font-family: 'IBM Plex Mono', monospace; color: var(--accent); font-size: 13px; width: 24px; }
.level-text { flex: 1; display: flex; flex-direction: column; }
.level-name { font-family: 'Space Grotesk', sans-serif; font-weight: 600; font-size: 16px; }
.level-desc { color: var(--muted); font-size: 12.5px; margin-top: 2px; }
.level-count { font-family: 'IBM Plex Mono', monospace; font-size: 11px; color: var(--muted); }
.level-chevron { color: var(--muted); }

/* Course grid */
.course-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 14px; margin-top: 20px; }
.course-card-btn { width: 100%; text-align: left; background: var(--panel); border: 1px solid var(--line); border-radius: 2px; padding: 16px; cursor: pointer; color: var(--text); display: flex; flex-direction: column; gap: 6px; transition: background 0.15s, transform 0.15s; position: relative; }
.course-card-btn:hover { background: var(--panel-2); transform: translateY(-2px); }
.course-code { font-family: 'IBM Plex Mono', monospace; font-size: 11px; color: var(--accent); }
.course-title { font-family: 'Space Grotesk', sans-serif; font-weight: 600; font-size: 15px; }
.course-meta { font-family: 'IBM Plex Mono', monospace; font-size: 10.5px; color: var(--muted); }
.course-ready-badge { position: absolute; top: 10px; right: 10px; font-family: 'IBM Plex Mono', monospace; font-size: 9px; letter-spacing: 0.06em; text-transform: uppercase; color: var(--accent); border: 1px solid var(--accent); padding: 2px 6px; border-radius: 10px; }

/* Course screen */
.course-header { margin-bottom: 20px; padding-bottom: 18px; border-bottom: 1px solid var(--line); }
.course-header-code { font-family: 'IBM Plex Mono', monospace; font-size: 12px; color: var(--accent); }
.course-header-meta { font-family: 'IBM Plex Mono', monospace; font-size: 12px; color: var(--muted); }

.tabs { display: flex; gap: 4px; border-bottom: 1px solid var(--line); margin-bottom: 24px; }
.tab-btn { background: none; border: none; color: var(--muted); padding: 10px 14px; font-size: 13.5px; font-weight: 600; font-family: 'Space Grotesk', sans-serif; display: flex; align-items: center; gap: 6px; cursor: pointer; border-bottom: 2px solid transparent; }
.tab-btn.active { color: var(--accent); border-bottom-color: var(--accent); }

/* Lectures */
.lecture-list { display: flex; flex-direction: column; gap: 2px; }
.lecture-row { display: flex; gap: 14px; padding: 12px 4px; border-bottom: 1px solid var(--line); align-items: flex-start; }
.lecture-n { font-family: 'IBM Plex Mono', monospace; font-size: 12px; color: var(--accent); width: 24px; padding-top: 2px; flex-shrink: 0; }
.lecture-text { display: flex; flex-direction: column; gap: 2px; }
.lecture-title { font-weight: 600; font-size: 14px; }
.lecture-summary { color: var(--muted); font-size: 13px; line-height: 1.5; }

/* Coming soon */
.coming-soon { display: flex; flex-direction: column; align-items: flex-start; gap: 10px; padding: 40px 0; max-width: 460px; }
.coming-soon-badge { font-family: 'IBM Plex Mono', monospace; font-size: 11px; letter-spacing: 0.08em; text-transform: uppercase; color: var(--accent); border: 1px solid var(--accent); padding: 4px 10px; border-radius: 20px; }
.coming-soon p { color: var(--muted); font-size: 14px; line-height: 1.6; }

.btn-outline { background: none; border: 1px solid var(--line); color: var(--text); padding: 8px 14px; border-radius: 3px; font-size: 13px; cursor: pointer; display: inline-flex; align-items: center; gap: 6px; }
.btn-outline:hover { border-color: var(--muted); }
.btn-solid { background: var(--accent); border: none; color: #0E1A24; padding: 10px 18px; border-radius: 3px; font-weight: 600; font-size: 13.5px; cursor: pointer; }
.btn-solid:hover { filter: brightness(1.08); }

/* Quiz setup */
.quiz-setup { display: flex; flex-direction: column; gap: 16px; max-width: 420px; padding: 10px 0; }
.quiz-setup-text { color: var(--muted); font-size: 14px; line-height: 1.6; margin: 0; }
.count-picker { display: flex; gap: 8px; }
.count-chip { background: var(--panel); border: 1px solid var(--line); color: var(--text); padding: 8px 14px; border-radius: 3px; font-family: 'IBM Plex Mono', monospace; cursor: pointer; }
.count-chip.active { border-color: var(--accent); color: var(--accent); }
.best-score { font-size: 12.5px; color: var(--muted); display: flex; align-items: center; gap: 6px; }

/* Quiz active */
.quiz-active { max-width: 620px; }
.quiz-ruler { display: flex; gap: 3px; margin-bottom: 8px; }
.ruler-tick { flex: 1; height: 4px; background: var(--line); border-radius: 2px; }
.ruler-tick.done, .ruler-tick.now { background: var(--accent); }
.quiz-progress-label { font-family: 'IBM Plex Mono', monospace; font-size: 11px; color: var(--muted); }
.quiz-question { font-family: 'Space Grotesk', sans-serif; font-size: 19px; font-weight: 600; margin: 14px 0 20px; line-height: 1.4; }
.quiz-options { display: flex; flex-direction: column; gap: 8px; }
.quiz-option { display: flex; align-items: center; gap: 12px; text-align: left; background: var(--panel); border: 1px solid var(--line); color: var(--text); padding: 13px 14px; border-radius: 3px; cursor: pointer; font-size: 14px; width: 100%; }
.quiz-option:hover:not(:disabled) { border-color: var(--accent); }
.quiz-option:disabled { cursor: default; }
.quiz-option.correct { border-color: #3FA772; background: rgba(63,167,114,0.12); }
.quiz-option.incorrect { border-color: #d9724a; background: rgba(217,114,74,0.12); }
.opt-letter { font-family: 'IBM Plex Mono', monospace; font-size: 12px; color: var(--muted); width: 16px; flex-shrink: 0; }
.opt-icon { margin-left: auto; flex-shrink: 0; font-family: 'IBM Plex Mono', monospace; }
.quiz-explain { margin-top: 18px; background: var(--panel); border-left: 3px solid var(--accent); padding: 14px 16px; border-radius: 2px; display: flex; flex-direction: column; gap: 12px; }
.quiz-explain p { margin: 0; color: var(--muted); font-size: 13.5px; line-height: 1.6; }

/* Quiz result */
.quiz-result { display: flex; flex-direction: column; align-items: flex-start; gap: 6px; padding: 20px 0; }
.result-score { font-family: 'Space Grotesk', sans-serif; font-size: 34px; margin: 8px 0 0; }
.result-pct { color: var(--muted); margin: 0 0 10px; }
.result-new-best { color: #3FA772; font-size: 13px; font-weight: 600; }
.result-actions { margin-top: 10px; display: flex; gap: 10px; }

/* Footer */
.site-footer { position: relative; z-index: 1; max-width: 1080px; margin: 0 auto; padding: 24px 24px 40px; color: var(--muted); font-size: 12px; font-family: 'IBM Plex Mono', monospace; border-top: 1px solid var(--line); }

@media (max-width: 640px) {
  .hero-title { font-size: 30px; }
  .field-grid, .course-grid { grid-template-columns: 1fr; }
}

/* ============ auth / i18n / profile / certificates additions ============ */
.hdr-right { display: flex; align-items: center; gap: 10px; margin-inline-start: auto; }
.lang-picker { background: rgba(255,255,255,0.06); color: inherit; border: 1px solid rgba(255,255,255,0.18); border-radius: 8px; padding: 6px 8px; font: inherit; font-size: 13px; cursor: pointer; }
.lang-picker option { color: #111; }
.btn-signin { background: #fff; color: #111; border: none; border-radius: 8px; padding: 8px 14px; font: inherit; font-size: 13px; font-weight: 600; cursor: pointer; white-space: nowrap; }
.hdr-user { display: flex; align-items: center; gap: 8px; background: rgba(255,255,255,0.06); border: 1px solid rgba(255,255,255,0.18); border-radius: 999px; padding: 4px 12px 4px 4px; color: inherit; font: inherit; font-size: 13px; cursor: pointer; }
[dir="rtl"] .hdr-user { padding: 4px 4px 4px 12px; }
.hdr-avatar { width: 28px; height: 28px; border-radius: 50%; object-fit: cover; display: inline-flex; align-items: center; justify-content: center; }
.hdr-avatar-fallback { background: rgba(255,255,255,0.12); font-size: 14px; }
.hdr-user-name { max-width: 140px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

.guest-note { border: 1px dashed rgba(255,255,255,0.3); border-radius: 10px; padding: 10px 14px; font-size: 13px; opacity: 0.85; margin-bottom: 18px; }
.quiz-guest-hint { font-size: 12.5px; opacity: 0.7; margin: 8px 0; }
.footer-link { background: none; border: none; color: inherit; font: inherit; text-decoration: underline; cursor: pointer; opacity: 0.8; }

.passed-badge { background: #2e7d4f !important; color: #fff !important; }
.passed-inline { color: #4fca8b; font-weight: 700; }
.result-passed { color: #4fca8b; font-weight: 700; font-size: 18px; margin: 4px 0 10px; }

/* modal */
.cc-modal-backdrop { position: fixed; inset: 0; background: rgba(0,0,0,0.65); display: flex; align-items: center; justify-content: center; z-index: 100; padding: 20px; }
.cc-modal { background: #14222e; border: 1px solid rgba(255,255,255,0.15); border-radius: 14px; max-width: 460px; padding: 26px; }
.cc-modal h3 { margin: 0 0 10px; }
.cc-modal p { font-size: 14px; line-height: 1.55; opacity: 0.9; }
.cc-modal-actions { display: flex; gap: 10px; margin-top: 16px; flex-wrap: wrap; }
.cc-modal-status { min-height: 18px; font-size: 13px; color: #4fca8b; }
.btn-small { padding: 4px 10px; font-size: 12px; }

/* profile */
.profile-head { display: flex; align-items: center; gap: 18px; margin: 10px 0 22px; flex-wrap: wrap; }
.profile-avatar { width: 72px; height: 72px; border-radius: 50%; object-fit: cover; display: inline-flex; align-items: center; justify-content: center; font-size: 30px; }
.profile-avatar-fallback { background: rgba(255,255,255,0.1); }
.profile-signout { margin-inline-start: auto; }
.profile-stats { display: flex; gap: 14px; margin-bottom: 26px; flex-wrap: wrap; }
.pstat { border: 1px solid rgba(255,255,255,0.15); border-radius: 12px; padding: 14px 22px; display: flex; flex-direction: column; }
.pstat-n { font-size: 26px; font-weight: 700; }
.pstat-l { font-size: 12.5px; opacity: 0.7; }
.section-title { font-size: 17px; margin: 26px 0 12px; }
.id-ok { color: #4fca8b; font-weight: 600; }
.id-pending { color: #e0a93f; font-weight: 600; }
.progress-list { display: flex; flex-direction: column; gap: 6px; }
.progress-row { display: flex; align-items: center; gap: 12px; border: 1px solid rgba(255,255,255,0.1); border-inline-start: 3px solid var(--accent); border-radius: 8px; padding: 9px 14px; font-size: 13.5px; }
.progress-code { font-family: monospace; opacity: 0.75; min-width: 66px; }
.progress-title { flex: 1; }
.progress-pct { font-weight: 700; }

/* certificates */
.cert-list { display: flex; flex-direction: column; gap: 8px; }
.cert-row { display: flex; align-items: center; gap: 12px; background: rgba(255,255,255,0.04); border: 1px solid rgba(255,255,255,0.14); border-radius: 10px; padding: 12px 16px; color: inherit; font: inherit; cursor: pointer; text-align: start; }
.cert-row:hover { border-color: rgba(255,255,255,0.4); }
.cert-kind { font-size: 11px; text-transform: uppercase; letter-spacing: 0.08em; opacity: 0.7; min-width: 110px; }
.cert-title { flex: 1; font-size: 14px; }
.cert-code-chip { font-family: monospace; font-size: 12px; background: rgba(255,255,255,0.08); border-radius: 6px; padding: 3px 8px; }

.certificate { display: flex; justify-content: center; margin: 20px 0; }
.cert-border { background: #fdfaf1; color: #1c2733; border: 3px double #b99b3e; border-radius: 6px; max-width: 640px; width: 100%; padding: 44px 46px; text-align: center; }
.cert-brand { font-weight: 800; letter-spacing: 0.06em; margin-bottom: 20px; }
.cert-brand .brand-mark { background: #0E1A24; color: #D9B23A; border-radius: 6px; padding: 2px 8px; margin-inline-end: 6px; }
.cert-heading { font-size: 13px; text-transform: uppercase; letter-spacing: 0.25em; color: #8a6d1f; margin-bottom: 26px; }
.cert-line { font-size: 13.5px; opacity: 0.75; margin: 6px 0; }
.cert-name { font-size: 30px; font-weight: 800; margin: 8px 0; }
.cert-course { font-size: 19px; font-weight: 600; margin: 8px 0 30px; }
.cert-foot { display: flex; justify-content: space-between; font-size: 12.5px; border-top: 1px solid #d8c98f; padding-top: 14px; flex-wrap: wrap; gap: 8px; }
.cert-verify-note { font-size: 11px; opacity: 0.6; margin-top: 14px; }
.cert-actions { display: flex; justify-content: center; }

/* verify */
.verify-box { display: flex; gap: 10px; max-width: 440px; margin-bottom: 20px; flex-wrap: wrap; }
.verify-input { flex: 1; min-width: 200px; background: rgba(255,255,255,0.06); border: 1px solid rgba(255,255,255,0.2); border-radius: 8px; color: inherit; font: inherit; padding: 10px 14px; letter-spacing: 0.05em; }
.verify-ok { border: 1px solid #2e7d4f; border-radius: 12px; padding: 18px 22px; }
.verify-ok h3 { color: #4fca8b; margin: 0 0 8px; }
.verify-bad { border: 1px solid #a04545; border-radius: 12px; padding: 18px 22px; color: #e08f8f; }

@media print {
  .site-header, .site-footer, .cert-actions, .grid-overlay, .crumb { display: none !important; }
  body { background: #fff; }
  .cert-border { border-color: #b99b3e; }
}

/* ============ lecture player (Udemy-style) ============ */
.lecture-row-link { width: 100%; text-align: start; color: inherit; font: inherit; cursor: pointer; background: none; }
.lecture-row-link:hover { border-color: var(--accent); }
.lecture-side { display: flex; align-items: center; gap: 8px; margin-inline-start: auto; }
.lec-chip { font-size: 11px; background: rgba(255,255,255,0.08); border-radius: 6px; padding: 2px 8px; opacity: 0.85; white-space: nowrap; }

.lecture-page { display: grid; grid-template-columns: minmax(0, 1fr) 300px; gap: 22px; align-items: start; }
@media (max-width: 900px) { .lecture-page { grid-template-columns: 1fr; } .lp-side { order: 2; } }
.lp-title { font-size: 22px; margin: 4px 0 14px; }
.lp-player { position: relative; width: 100%; aspect-ratio: 16 / 9; background: #000; border-radius: 10px; overflow: hidden; border: 1px solid rgba(255,255,255,0.15); }
.lp-player iframe { position: absolute; inset: 0; width: 100%; height: 100%; }
.lp-novideo { border: 1px dashed rgba(255,255,255,0.3); border-radius: 10px; padding: 40px 20px; text-align: center; opacity: 0.75; font-size: 14px; }
.lp-profs { display: flex; gap: 8px; margin-top: 10px; flex-wrap: wrap; }
.lp-prof-chip { background: rgba(255,255,255,0.06); border: 1px solid rgba(255,255,255,0.18); border-radius: 999px; padding: 6px 14px; color: inherit; font: inherit; font-size: 13px; cursor: pointer; }
.lp-prof-chip.active { border-color: var(--accent); color: var(--accent); font-weight: 600; }
.lp-prof-single { margin-top: 10px; font-size: 13px; opacity: 0.8; }
.lp-tabs { margin-top: 18px; }
.lp-panel { margin-top: 4px; }
.lp-notes { font-size: 15px; line-height: 1.75; max-width: 760px; }
.lp-notes h3 { margin: 22px 0 8px; font-size: 17px; }
.lp-notes p { margin: 10px 0; }
.lp-notes ul, .lp-notes ol { padding-inline-start: 22px; margin: 10px 0; }
.lp-notes li { margin: 5px 0; }
.lp-notes .eq-block { background: rgba(255,255,255,0.04); border: 1px solid rgba(255,255,255,0.1); border-radius: 8px; padding: 10px 16px; margin: 12px 0; overflow-x: auto; }
.lp-notes code { background: rgba(255,255,255,0.08); border-radius: 4px; padding: 1px 6px; font-size: 13.5px; }
.katex { font-size: 1.05em; }
.lp-nav { display: flex; justify-content: space-between; align-items: center; gap: 10px; margin-top: 26px; flex-wrap: wrap; }
.lp-done-btn.is-done { color: #4fca8b; border-color: #2e7d4f; }

.lp-side { background: rgba(255,255,255,0.03); border: 1px solid rgba(255,255,255,0.12); border-radius: 12px; overflow: hidden; position: sticky; top: 16px; max-height: calc(100vh - 32px); overflow-y: auto; }
.lp-side-head { padding: 13px 16px; font-weight: 700; font-size: 14px; border-bottom: 1px solid rgba(255,255,255,0.12); }
.lp-side-row { display: flex; align-items: center; gap: 10px; width: 100%; padding: 10px 14px; background: none; border: none; border-bottom: 1px solid rgba(255,255,255,0.06); color: inherit; font: inherit; font-size: 13px; text-align: start; cursor: pointer; }
.lp-side-row:hover { background: rgba(255,255,255,0.05); }
.lp-side-row.now { background: rgba(255,255,255,0.09); border-inline-start: 3px solid var(--accent); }
.lp-side-check { min-width: 22px; height: 22px; border-radius: 50%; border: 1px solid rgba(255,255,255,0.3); display: inline-flex; align-items: center; justify-content: center; font-size: 11px; flex: none; }
.lp-side-check.done { background: #2e7d4f; border-color: #2e7d4f; color: #fff; }
.lp-side-title { flex: 1; line-height: 1.35; }
.lp-side-mins { opacity: 0.6; font-size: 11px; }

/* ============ short-format clips ============ */
.lp-shorts { margin-top: 18px; }
.lp-shorts-head { font-weight: 700; font-size: 14px; margin-bottom: 10px; }
.lp-shorts-strip { display: flex; gap: 10px; overflow-x: auto; padding-bottom: 6px; }
.lp-short-card { flex: none; width: 120px; aspect-ratio: 9 / 16; background: linear-gradient(160deg, rgba(255,255,255,0.08), rgba(255,255,255,0.02)); border: 1px solid rgba(255,255,255,0.16); border-radius: 12px; color: inherit; font: inherit; cursor: pointer; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 8px; padding: 10px; text-align: center; }
.lp-short-card:hover { border-color: var(--accent); }
.lp-short-play { width: 34px; height: 34px; border-radius: 50%; background: var(--accent); color: #10151c; display: flex; align-items: center; justify-content: center; font-size: 13px; }
.lp-short-title { font-size: 11.5px; line-height: 1.35; }
.lp-short-prof { font-size: 10px; opacity: 0.7; }

.short-backdrop { z-index: 120; }
.short-frame { width: min(400px, 92vw); }
.short-close { position: absolute; top: 14px; inset-inline-end: 16px; background: rgba(0,0,0,0.5); color: #fff; border: none; border-radius: 50%; width: 36px; height: 36px; font-size: 15px; cursor: pointer; z-index: 2; }
.short-player { position: relative; width: 100%; aspect-ratio: 9 / 16; max-height: 78vh; background: #000; border-radius: 14px; overflow: hidden; border: 1px solid rgba(255,255,255,0.2); }
.short-player iframe { position: absolute; inset: 0; width: 100%; height: 100%; }
.short-meta { display: flex; align-items: center; gap: 10px; margin-top: 10px; font-size: 13px; flex-wrap: wrap; }
.short-title { font-weight: 600; flex: 1; }
.short-prof, .short-count { opacity: 0.75; font-size: 12px; }
.short-nav { display: flex; justify-content: space-between; margin-top: 10px; gap: 10px; }

/* ============ progress bars ============ */
.cc-bar { width: 100%; height: 6px; background: rgba(255,255,255,0.12); border-radius: 4px; overflow: hidden; margin-top: 8px; }
.cc-bar-fill { height: 100%; background: var(--accent, #4f8cff); border-radius: 4px; transition: width .35s ease; }
.cc-bar-label { font-size: 11.5px; opacity: 0.75; margin-top: 5px; }
.cc-bar-label-lg { font-size: 14px; font-weight: 600; opacity: 0.95; margin-bottom: 2px; }

.field-progress-summary { margin: 6px 0 20px; max-width: 620px; }
.level-bar-wrap { display: flex; align-items: center; gap: 8px; margin-top: 7px; }
.level-bar-wrap .cc-bar { margin-top: 0; max-width: 220px; }
.level-bar-pct { font-size: 11px; opacity: 0.7; min-width: 30px; }

.course-header-progress { display: flex; align-items: center; gap: 10px; margin-top: 10px; max-width: 420px; }
.course-header-progress .cc-bar { margin-top: 0; }

.profile-overall { margin: 6px 0 18px; max-width: 620px; }
.profile-overall .cc-bar { height: 10px; }
.field-progress-list { display: flex; flex-direction: column; gap: 8px; margin-bottom: 8px; }
.fp-row { display: flex; align-items: center; gap: 12px; }
.fp-name { font-size: 13px; min-width: 210px; }
.fp-bar { flex: 1; }
.fp-bar .cc-bar { margin-top: 0; }
.fp-pct { font-size: 12px; opacity: 0.8; min-width: 38px; text-align: end; }
.progress-mini { width: 90px; flex: none; }
.progress-mini .cc-bar { margin-top: 0; }
@media (max-width: 560px){ .fp-name{ min-width: 120px; } .progress-mini{ display:none; } }