/* ═══════════════════════════════════════════════════
   AI LMS — Public Frontend Styles
   Theme: Deep Navy + Electric Gold — Exam-ready aesthetic
═══════════════════════════════════════════════════ */
@import url('https://fonts.googleapis.com/css2?family=Syne:wght@400;600;700;800&family=DM+Sans:wght@300;400;500;600&display=swap');

:root {
  --lms-navy:      #0D1B2A;
  --lms-navy-mid:  #1B2D42;
  --lms-navy-light:#243447;
  --lms-gold:      #F5C842;
  --lms-gold-dark: #D4A917;
  --lms-teal:      #00C9A7;
  --lms-red:       #FF6B6B;
  --lms-white:     #FFFFFF;
  --lms-off-white: #F4F6F9;
  --lms-text:      #E8EDF2;
  --lms-muted:     #8FA3BC;
  --lms-border:    rgba(255,255,255,.10);
  --lms-card-bg:   rgba(27,45,66,.7);
  --lms-radius:    14px;
  --lms-shadow:    0 8px 32px rgba(0,0,0,.3);
  --lms-font-head: 'Syne', sans-serif;
  --lms-font-body: 'DM Sans', sans-serif;
}

.ai-lms-wrap, .ai-lms-wrap * { box-sizing:border-box; font-family:var(--lms-font-body); }
.ai-lms-wrap { background:var(--lms-navy); color:var(--lms-text); min-height:100vh; padding:0; }

/* ── Course Catalog ─────────────────────────────── */
.lms-catalog { padding:40px 20px; }
.lms-catalog-header { text-align:center; margin-bottom:48px; }
.lms-catalog-header h2 {
  font-family:var(--lms-font-head); font-size:clamp(28px,5vw,48px);
  font-weight:800; color:var(--lms-white); letter-spacing:-.02em;
  margin:0 0 10px;
}
.lms-catalog-header h2 span { color:var(--lms-gold); }
.lms-catalog-header p { color:var(--lms-muted); font-size:16px; }

.lms-courses-grid {
  display:grid;
  grid-template-columns:repeat(auto-fill, minmax(300px,1fr));
  gap:24px; max-width:1200px; margin:0 auto;
}

.lms-course-card {
  background:var(--lms-card-bg);
  border:1px solid var(--lms-border);
  border-radius:var(--lms-radius);
  padding:28px;
  backdrop-filter:blur(12px);
  transition:transform .25s, box-shadow .25s, border-color .25s;
  position:relative; overflow:hidden;
}
.lms-course-card::before {
  content:''; position:absolute; inset:0;
  background:linear-gradient(135deg,rgba(245,200,66,.05) 0%,transparent 60%);
  pointer-events:none;
}
.lms-course-card:hover {
  transform:translateY(-4px);
  box-shadow:0 20px 48px rgba(0,0,0,.4);
  border-color:rgba(245,200,66,.3);
}
.lms-course-exam-badge {
  display:inline-block; background:rgba(245,200,66,.15);
  color:var(--lms-gold); padding:4px 12px; border-radius:20px;
  font-size:11px; font-weight:700; text-transform:uppercase; letter-spacing:.1em;
  margin-bottom:14px;
}
.lms-course-title {
  font-family:var(--lms-font-head); font-size:20px; font-weight:700;
  color:var(--lms-white); margin:0 0 8px; line-height:1.3;
}
.lms-course-meta { color:var(--lms-muted); font-size:13px; margin-bottom:18px; }
.lms-course-stats {
  display:flex; gap:16px; margin-bottom:20px;
  padding:14px 0; border-top:1px solid var(--lms-border); border-bottom:1px solid var(--lms-border);
}
.lms-course-stat { text-align:center; flex:1; }
.lms-course-stat-value { font-size:20px; font-weight:700; color:var(--lms-gold); font-family:var(--lms-font-head); }
.lms-course-stat-label { font-size:11px; color:var(--lms-muted); text-transform:uppercase; letter-spacing:.05em; }
.lms-course-price {
  font-size:24px; font-weight:800; color:var(--lms-white); font-family:var(--lms-font-head);
  margin-bottom:16px;
}
.lms-course-price.free { color:var(--lms-teal); }
.lms-course-price small { font-size:14px; color:var(--lms-muted); font-weight:400; }

/* ── Buttons ─────────────────────────────────────── */
.lms-btn {
  display:inline-flex; align-items:center; justify-content:center; gap:8px;
  padding:12px 24px; border-radius:10px; font-size:14px; font-weight:600;
  cursor:pointer; border:none; text-decoration:none; transition:all .2s;
  font-family:var(--lms-font-body); letter-spacing:.02em;
}
.lms-btn-gold {
  background:var(--lms-gold); color:var(--lms-navy);
}
.lms-btn-gold:hover { background:var(--lms-gold-dark); transform:translateY(-1px); }
.lms-btn-outline {
  background:transparent; color:var(--lms-gold);
  border:2px solid var(--lms-gold);
}
.lms-btn-outline:hover { background:rgba(245,200,66,.1); }
.lms-btn-teal { background:var(--lms-teal); color:var(--lms-navy); }
.lms-btn-teal:hover { opacity:.9; }
.lms-btn-ghost { background:rgba(255,255,255,.07); color:var(--lms-text); }
.lms-btn-ghost:hover { background:rgba(255,255,255,.12); }
.lms-btn-danger { background:var(--lms-red); color:#fff; }
.lms-btn-full { width:100%; }
.lms-btn-sm { padding:8px 16px; font-size:12px; border-radius:7px; }
.lms-btn:disabled { opacity:.5; cursor:not-allowed; }

/* ── Login Prompt ─────────────────────────────────── */
.lms-login-prompt, .lms-notice {
  background:var(--lms-card-bg); border:1px solid var(--lms-border);
  border-radius:var(--lms-radius); padding:24px; text-align:center;
  color:var(--lms-muted);
}
.lms-notice-warn { border-color:rgba(245,200,66,.4); background:rgba(245,200,66,.05); color:var(--lms-gold); }

/* ── Dashboard ───────────────────────────────────── */
.lms-dashboard { padding:32px 20px; max-width:1100px; margin:0 auto; }
.lms-dashboard-header {
  background:linear-gradient(135deg,var(--lms-navy-mid),var(--lms-navy-light));
  border:1px solid var(--lms-border); border-radius:var(--lms-radius);
  padding:28px 32px; margin-bottom:28px;
  display:flex; align-items:center; justify-content:space-between;
}
.lms-dashboard-header h2 { font-family:var(--lms-font-head); margin:0; color:var(--lms-white); font-size:22px; }
.lms-dashboard-header p  { margin:4px 0 0; color:var(--lms-muted); font-size:14px; }
.lms-avatar { width:52px; height:52px; border-radius:50%; background:var(--lms-gold); display:flex; align-items:center; justify-content:center; font-size:22px; font-family:var(--lms-font-head); font-weight:800; color:var(--lms-navy); }

.lms-enrolled-grid { display:grid; grid-template-columns:repeat(auto-fill,minmax(280px,1fr)); gap:20px; }
.lms-enrolled-card {
  background:var(--lms-card-bg); border:1px solid var(--lms-border);
  border-radius:var(--lms-radius); padding:22px; transition:border-color .2s;
}
.lms-enrolled-card:hover { border-color:rgba(245,200,66,.3); }
.lms-enrolled-card h3 { font-family:var(--lms-font-head); font-size:16px; margin:0 0 6px; color:var(--lms-white); }
.lms-progress-section { margin:16px 0; }
.lms-progress-label { display:flex; justify-content:space-between; font-size:12px; color:var(--lms-muted); margin-bottom:6px; }
.lms-bar { background:rgba(255,255,255,.08); border-radius:8px; height:7px; overflow:hidden; }
.lms-bar-fill { height:100%; border-radius:8px; background:linear-gradient(90deg,var(--lms-teal),var(--lms-gold)); transition:width .6s ease; }
.lms-score-display {
  display:flex; gap:12px; margin:12px 0;
}
.lms-score-pill {
  flex:1; background:rgba(255,255,255,.05); border-radius:8px;
  padding:10px; text-align:center;
}
.lms-score-pill .val { font-size:20px; font-weight:700; color:var(--lms-gold); font-family:var(--lms-font-head); }
.lms-score-pill .label { font-size:10px; color:var(--lms-muted); text-transform:uppercase; }

/* ── Mock Test List ──────────────────────────────── */
.lms-tests-page { padding:32px 20px; max-width:1000px; margin:0 auto; }
.lms-tests-header { margin-bottom:28px; }
.lms-tests-header h2 { font-family:var(--lms-font-head); font-size:28px; font-weight:800; color:var(--lms-white); margin:0 0 6px; }
.lms-tests-header p { color:var(--lms-muted); }

.lms-test-list { display:flex; flex-direction:column; gap:14px; }
.lms-test-row {
  background:var(--lms-card-bg); border:1px solid var(--lms-border);
  border-radius:var(--lms-radius); padding:20px 24px;
  display:flex; align-items:center; gap:20px;
  transition:border-color .2s, box-shadow .2s;
}
.lms-test-row:hover { border-color:rgba(245,200,66,.2); box-shadow:0 4px 20px rgba(0,0,0,.2); }
.lms-test-row.live   { border-left:3px solid var(--lms-teal); }
.lms-test-row.generating { border-left:3px solid var(--lms-gold); }
.lms-test-row.pending { border-left:3px solid rgba(255,255,255,.15); opacity:.7; }

.lms-test-num {
  width:48px; height:48px; border-radius:12px; flex-shrink:0;
  background:rgba(255,255,255,.07); display:flex; flex-direction:column;
  align-items:center; justify-content:center;
  font-family:var(--lms-font-head); font-weight:800; color:var(--lms-white);
  font-size:18px; line-height:1;
}
.lms-test-num span { font-size:9px; text-transform:uppercase; color:var(--lms-muted); font-family:var(--lms-font-body); margin-top:2px; font-weight:400; }

.lms-test-info { flex:1; min-width:0; }
.lms-test-info h3 { margin:0 0 4px; font-size:16px; font-weight:600; color:var(--lms-white); }
.lms-test-info .meta { font-size:12px; color:var(--lms-muted); }
.lms-test-info .score-badge {
  display:inline-block; background:rgba(0,201,167,.15); color:var(--lms-teal);
  padding:2px 10px; border-radius:12px; font-size:12px; font-weight:600; margin-top:4px;
}

/* ── Status Badges ───────────────────────────────── */
.lms-status { display:inline-flex; align-items:center; gap:6px; padding:5px 12px; border-radius:20px; font-size:12px; font-weight:700; white-space:nowrap; }
.lms-status.live       { background:rgba(0,201,167,.15); color:var(--lms-teal); }
.lms-status.generating { background:rgba(245,200,66,.15); color:var(--lms-gold); }
.lms-status.pending    { background:rgba(255,107,107,.12); color:var(--lms-red); }
.lms-status.completed  { background:rgba(0,201,167,.1);   color:var(--lms-teal); }
.lms-dot { width:7px; height:7px; border-radius:50%; background:currentColor; }
.lms-dot.pulse { animation:ldot 1.4s infinite; }
@keyframes ldot { 0%,100%{opacity:1} 50%{opacity:.3} }

/* ── Countdown Timer ─────────────────────────────── */
.lms-countdown {
  display:flex; gap:6px; align-items:center;
  background:rgba(245,200,66,.08); border:1px solid rgba(245,200,66,.2);
  border-radius:8px; padding:6px 12px; font-size:12px; color:var(--lms-gold);
  font-family:var(--lms-font-head); font-weight:700;
}
.lms-countdown .time-part { display:flex; flex-direction:column; align-items:center; }
.lms-countdown .time-val  { font-size:18px; line-height:1; }
.lms-countdown .time-lbl  { font-size:9px; color:var(--lms-muted); font-family:var(--lms-font-body); font-weight:400; }
.lms-countdown .sep       { color:var(--lms-gold-dark); font-size:18px; align-self:flex-start; margin-top:2px; }

/* ── Test Attempt Interface ──────────────────────── */
.lms-attempt-page { padding:0; max-width:100%; }
.lms-attempt-header {
  background:var(--lms-navy-mid); border-bottom:1px solid var(--lms-border);
  padding:16px 24px; display:flex; align-items:center; justify-content:space-between;
  position:sticky; top:0; z-index:100;
}
.lms-attempt-header h2 { font-family:var(--lms-font-head); margin:0; color:var(--lms-white); font-size:17px; }
.lms-timer-display {
  background:rgba(255,107,107,.12); border:1px solid rgba(255,107,107,.3);
  border-radius:8px; padding:8px 16px; font-family:var(--lms-font-head);
  font-size:22px; font-weight:800; color:var(--lms-red); letter-spacing:.05em;
  min-width:90px; text-align:center;
}
.lms-timer-display.warn { color:var(--lms-red); animation:pulse-timer 1s infinite; }
@keyframes pulse-timer { 0%,100%{opacity:1} 50%{opacity:.6} }

.lms-attempt-body { display:flex; height:calc(100vh - 65px); overflow:hidden; }

/* Question nav sidebar */
.lms-q-nav {
  width:200px; flex-shrink:0; background:var(--lms-navy-light);
  border-right:1px solid var(--lms-border); overflow-y:auto; padding:16px;
}
.lms-q-nav-title { font-size:11px; text-transform:uppercase; letter-spacing:.1em; color:var(--lms-muted); margin-bottom:12px; }
.lms-q-nav-grid { display:grid; grid-template-columns:repeat(4,1fr); gap:5px; }
.lms-q-nav-btn {
  width:32px; height:32px; border-radius:7px; border:none; cursor:pointer;
  font-size:12px; font-weight:700; transition:all .15s;
  background:rgba(255,255,255,.06); color:var(--lms-muted);
}
.lms-q-nav-btn.answered  { background:var(--lms-teal); color:var(--lms-navy); }
.lms-q-nav-btn.flagged   { background:var(--lms-gold); color:var(--lms-navy); }
.lms-q-nav-btn.current   { box-shadow:0 0 0 2px var(--lms-white); color:var(--lms-white); }

/* Main question area */
.lms-q-main { flex:1; overflow-y:auto; padding:28px 32px; }
.lms-question-card {
  background:var(--lms-card-bg); border:1px solid var(--lms-border);
  border-radius:var(--lms-radius); padding:28px; max-width:760px; margin:0 auto;
}
.lms-question-num { font-size:12px; color:var(--lms-muted); text-transform:uppercase; letter-spacing:.08em; margin-bottom:12px; }
.lms-question-text { font-size:17px; color:var(--lms-white); line-height:1.7; margin-bottom:24px; }
.lms-options { display:flex; flex-direction:column; gap:10px; }
.lms-option-item {
  display:flex; align-items:center; gap:14px; padding:14px 18px;
  border:1.5px solid var(--lms-border); border-radius:10px; cursor:pointer;
  transition:all .2s; background:transparent;
}
.lms-option-item:hover { border-color:rgba(245,200,66,.4); background:rgba(245,200,66,.04); }
.lms-option-item.selected { border-color:var(--lms-gold); background:rgba(245,200,66,.08); }
.lms-option-item input[type=radio] { display:none; }
.lms-option-letter {
  width:32px; height:32px; border-radius:8px; flex-shrink:0;
  border:2px solid var(--lms-border); display:flex; align-items:center; justify-content:center;
  font-weight:700; font-size:13px; color:var(--lms-muted); transition:all .2s;
  font-family:var(--lms-font-head);
}
.lms-option-item.selected .lms-option-letter { background:var(--lms-gold); color:var(--lms-navy); border-color:var(--lms-gold); }
.lms-option-text { color:var(--lms-text); font-size:15px; flex:1; }

/* Result overlay states */
.lms-option-item.correct-answer { border-color:var(--lms-teal)!important; background:rgba(0,201,167,.1)!important; }
.lms-option-item.wrong-answer   { border-color:var(--lms-red)!important; background:rgba(255,107,107,.1)!important; }
.lms-explanation-box {
  margin-top:18px; padding:16px 20px;
  background:rgba(0,201,167,.07); border:1px solid rgba(0,201,167,.2);
  border-radius:10px; color:var(--lms-teal); font-size:14px; line-height:1.7;
}

/* Q navigation footer */
.lms-q-footer {
  margin-top:24px; display:flex; justify-content:space-between;
  align-items:center; padding-top:20px; border-top:1px solid var(--lms-border);
  max-width:760px; margin-left:auto; margin-right:auto;
}

/* ── Result Screen ───────────────────────────────── */
.lms-result-screen {
  text-align:center; padding:48px 24px; max-width:600px; margin:0 auto;
}
.lms-result-circle {
  width:140px; height:140px; border-radius:50%; margin:0 auto 24px;
  background:conic-gradient(var(--lms-gold) var(--score-pct, 0%), rgba(255,255,255,.08) 0%);
  display:flex; align-items:center; justify-content:center; position:relative;
}
.lms-result-circle::after {
  content:''; position:absolute; inset:12px; border-radius:50%;
  background:var(--lms-navy);
}
.lms-result-score-val {
  font-family:var(--lms-font-head); font-size:36px; font-weight:800;
  color:var(--lms-gold); position:relative; z-index:1;
}
.lms-result-grid {
  display:grid; grid-template-columns:repeat(3,1fr); gap:14px; margin:24px 0;
}
.lms-result-stat {
  background:var(--lms-card-bg); border:1px solid var(--lms-border);
  border-radius:10px; padding:16px 10px; text-align:center;
}
.lms-result-stat .val { font-family:var(--lms-font-head); font-size:24px; font-weight:800; color:var(--lms-white); }
.lms-result-stat .label { font-size:11px; color:var(--lms-muted); margin-top:3px; text-transform:uppercase; }
.lms-result-stat.good .val   { color:var(--lms-teal); }
.lms-result-stat.bad  .val   { color:var(--lms-red); }

/* ── Course Detail ───────────────────────────────── */
.lms-course-detail { padding:32px 20px; max-width:1000px; margin:0 auto; }
.lms-course-hero {
  background:linear-gradient(135deg, var(--lms-navy-mid) 0%, var(--lms-navy-light) 100%);
  border:1px solid var(--lms-border); border-radius:var(--lms-radius);
  padding:40px; margin-bottom:28px; position:relative; overflow:hidden;
}
.lms-course-hero::after {
  content:''; position:absolute; right:-40px; top:-40px;
  width:200px; height:200px; border-radius:50%;
  background:radial-gradient(circle, rgba(245,200,66,.15) 0%, transparent 70%);
}
.lms-course-hero h1 { font-family:var(--lms-font-head); font-size:clamp(22px,4vw,36px); color:var(--lms-white); margin:0 0 10px; }
.lms-syllabus-accordion { margin-top:8px; }
.lms-module-item {
  background:var(--lms-card-bg); border:1px solid var(--lms-border);
  border-radius:10px; margin-bottom:10px; overflow:hidden;
}
.lms-module-header {
  padding:16px 20px; cursor:pointer; display:flex; justify-content:space-between; align-items:center;
  font-weight:600; color:var(--lms-white); font-size:15px;
}
.lms-module-header:hover { background:rgba(255,255,255,.03); }
.lms-module-toggle { color:var(--lms-gold); font-size:20px; transition:transform .2s; }
.lms-module-item.open .lms-module-toggle { transform:rotate(180deg); }
.lms-module-topics { display:none; padding:0 20px 16px; }
.lms-module-item.open .lms-module-topics { display:block; }
.lms-topic-item {
  padding:8px 12px; border-left:2px solid var(--lms-border);
  color:var(--lms-muted); font-size:14px; margin-bottom:4px;
  transition:border-color .2s, color .2s;
}
.lms-topic-item:hover { border-color:var(--lms-gold); color:var(--lms-text); }

/* ── Enroll Widget ───────────────────────────────── */
.lms-enroll-card {
  background:var(--lms-card-bg); border:1px solid var(--lms-border);
  border-radius:var(--lms-radius); padding:28px; position:sticky; top:20px;
}
.lms-enroll-price { font-family:var(--lms-font-head); font-size:36px; font-weight:800; color:var(--lms-gold); margin-bottom:6px; }
.lms-enroll-price.free-price { color:var(--lms-teal); }
.lms-enroll-features { list-style:none; padding:0; margin:16px 0; }
.lms-enroll-features li { padding:8px 0; border-bottom:1px solid var(--lms-border); color:var(--lms-text); font-size:14px; display:flex; gap:10px; align-items:center; }
.lms-enroll-features li::before { content:'✓'; color:var(--lms-teal); font-weight:700; }

/* ── Responsive ──────────────────────────────────── */
@media(max-width:768px) {
  .lms-attempt-body { flex-direction:column; }
  .lms-q-nav { width:100%; height:auto; }
  .lms-q-nav-grid { grid-template-columns:repeat(8,1fr); }
  .lms-q-main { padding:16px; }
  .lms-attempt-header { padding:12px 16px; }
  .lms-test-row { flex-direction:column; align-items:flex-start; gap:12px; }
  .lms-dashboard-header { flex-direction:column; gap:12px; }
}
@media(max-width:480px) {
  .lms-q-nav-grid { grid-template-columns:repeat(6,1fr); }
  .lms-result-grid { grid-template-columns:1fr 1fr; }
}