/* Ұстаз — vivid violet × sunset coral, modern ed-tech */

:root {
  /* Surfaces */
  --bg: #f8fbff;
  --bg-tint: #eff6ff;
  --bg-dark: #0b1e3f;
  --surface: #ffffff;
  --surface-2: #f7faff;

  /* Ink */
  --ink: #0b1e3f;
  --ink-soft: #3c4a64;
  --muted: #7e89a3;
  --line: #e6ecf5;
  --line-strong: #cfd9ea;

  /* Brand */
  --primary: #2563eb;          /* electric cobalt blue */
  --primary-600: #1d4ed8;
  --primary-50: #eff6ff;
  --primary-100: #dbeafe;
  --accent: #fb7050;           /* sunset coral */
  --accent-600: #ea5a3a;
  --pop: #facc15;              /* lime-yellow for badges */
  --pop-pink: #ec4899;
  --gradient: linear-gradient(135deg, #2563eb 0%, #0ea5e9 45%, #fb7050 100%);
  --gradient-soft: linear-gradient(135deg, #dbeafe 0%, #cffafe 50%, #fed7aa 100%);

  /* Status */
  --success: #10b981;
  --warning: #f59e0b;
  --danger: #ef4444;

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(11, 30, 63, 0.05);
  --shadow: 0 4px 16px rgba(37, 99, 235, 0.10), 0 1px 2px rgba(11, 30, 63, 0.04);
  --shadow-lg: 0 18px 44px rgba(37, 99, 235, 0.16), 0 4px 12px rgba(11, 30, 63, 0.05);
  --shadow-pop: 0 20px 50px rgba(251, 112, 80, 0.28);

  /* Radius */
  --r-sm: 10px;
  --r: 14px;
  --r-lg: 20px;
  --r-xl: 28px;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  font-feature-settings: "cv11", "ss01", "ss03";
  color: var(--ink);
  background: var(--bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
[x-cloak] { display: none !important; }
.bg-cream { background: var(--bg); }

/* Display font for headings */
h1, h2, h3, .display {
  font-family: "Space Grotesk", "Inter", sans-serif;
  letter-spacing: -0.02em;
  font-weight: 700;
  color: var(--ink);
}
h1 { font-size: clamp(2rem, 4vw, 3rem); line-height: 1.05; margin: 0 0 0.6em; }
h2 { font-size: 1.75rem; line-height: 1.15; margin: 1.4em 0 0.6em; }
h3 { font-size: 1.2rem; margin: 1em 0 0.4em; }

a {
  color: var(--primary);
  text-decoration: none;
  transition: color .15s ease;
}
a:hover { color: var(--primary-600); }

.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

/* ============ TOPBAR ============ */
.topbar {
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: saturate(180%) blur(14px);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid var(--line);
  position: sticky; top: 0; z-index: 50;
}
.topbar-inner {
  display: flex; align-items: center; gap: 28px;
  padding: 14px 24px; max-width: 1200px; margin: 0 auto;
}
.brand { display: flex; align-items: center; gap: 12px; font-weight: 800; }
.brand-mark {
  width: 40px; height: 40px;
  display: inline-flex; align-items: center; justify-content: center;
  background: var(--gradient);
  color: white;
  border-radius: 12px;
  font-size: 22px;
  font-family: "Space Grotesk", sans-serif;
  font-weight: 700;
  box-shadow: 0 4px 12px rgba(37, 99, 235, 0.35);
}
.brand-name { font-size: 19px; font-family: "Space Grotesk", sans-serif; letter-spacing: -0.01em; }
.nav { display: flex; gap: 6px; margin-left: 12px; flex: 1; }
.nav a {
  color: var(--ink-soft);
  font-weight: 500;
  font-size: 14.5px;
  padding: 8px 14px;
  border-radius: var(--r-sm);
  transition: all .15s ease;
}
.nav a:hover { background: var(--primary-50); color: var(--primary); }
.nav-right { display: flex; gap: 10px; align-items: center; }

.xp-pill, .streak-pill {
  border-radius: 999px;
  padding: 6px 12px;
  font-size: 13px;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}
.xp-pill {
  background: linear-gradient(135deg, var(--primary-50), #cffafe);
  color: var(--primary-600);
  border: 1px solid var(--primary-100);
}
.streak-pill {
  background: linear-gradient(135deg, #fff7ed, #fed7aa);
  color: #c2410c;
  border: 1px solid #fed7aa;
}

.usermenu { position: relative; }
.usermenu-btn {
  display: inline-flex; align-items: center; gap: 8px;
  background: white;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 4px 14px 4px 4px;
  cursor: pointer;
  font: inherit;
  font-size: 14px;
  font-weight: 500;
  transition: all .15s ease;
}
.usermenu-btn:hover { border-color: var(--line-strong); box-shadow: var(--shadow-sm); }
.usermenu-btn img, .avatar-fallback {
  width: 30px; height: 30px;
  border-radius: 50%;
  object-fit: cover;
  background: var(--gradient);
  display: inline-flex; align-items: center; justify-content: center;
  color: white;
  font-weight: 700;
  font-size: 13px;
}
.usermenu-drop {
  position: absolute; right: 0; top: 110%;
  background: white;
  border: 1px solid var(--line);
  border-radius: var(--r);
  min-width: 220px;
  box-shadow: var(--shadow-lg);
  padding: 6px;
  display: flex; flex-direction: column;
}
.usermenu-drop a, .usermenu-drop button {
  text-align: left; padding: 10px 12px;
  color: var(--ink); background: none; border: 0;
  border-radius: 8px;
  font: inherit;
  font-size: 14px;
  cursor: pointer;
  transition: background .12s ease;
}
.usermenu-drop a:hover, .usermenu-drop button:hover { background: var(--primary-50); }
.usermenu-drop form { margin: 0; }

/* ============ BUTTONS ============ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 11px 22px;
  border-radius: 12px;
  font-weight: 600;
  font-size: 14.5px;
  cursor: pointer;
  border: 1px solid transparent;
  transition: all .18s cubic-bezier(.4,0,.2,1);
  font-family: inherit;
  text-decoration: none;
  white-space: nowrap;
}
.btn:active { transform: translateY(1px); }
.btn-primary {
  background: var(--primary);
  color: white;
  box-shadow: 0 4px 14px rgba(37, 99, 235, 0.35);
}
.btn-primary:hover {
  background: var(--primary-600);
  color: white;
  box-shadow: 0 8px 22px rgba(37, 99, 235, 0.45);
  transform: translateY(-1px);
}
.btn-accent {
  background: var(--accent);
  color: white;
  box-shadow: 0 4px 14px rgba(251, 112, 80, 0.4);
}
.btn-accent:hover {
  background: var(--accent-600);
  color: white;
  transform: translateY(-1px);
  box-shadow: 0 8px 22px rgba(251, 112, 80, 0.5);
}
.btn-gradient {
  background: var(--gradient);
  color: white;
  box-shadow: var(--shadow-pop);
}
.btn-gradient:hover { transform: translateY(-2px); color: white; }
.btn-ghost {
  background: white;
  color: var(--ink);
  border-color: var(--line);
}
.btn-ghost:hover { background: var(--surface-2); border-color: var(--line-strong); }
.btn-danger { background: var(--danger); color: white; }
.btn-block { width: 100%; }
.btn-sm { padding: 7px 14px; font-size: 13px; border-radius: 9px; }
.btn-lg { padding: 14px 28px; font-size: 16px; border-radius: 14px; }

/* ============ FORMS ============ */
.form { display: grid; gap: 16px; max-width: 460px; }
.form label {
  font-weight: 600;
  font-size: 13.5px;
  color: var(--ink-soft);
  display: block;
  margin-bottom: 6px;
}
.form input, .form textarea, .form select,
input[type="text"], input[type="email"], input[type="password"],
input[type="number"], textarea, select {
  width: 100%;
  padding: 11px 14px;
  border: 1.5px solid var(--line);
  border-radius: var(--r-sm);
  font: inherit;
  font-size: 15px;
  background: white;
  color: var(--ink);
  transition: all .15s ease;
}
.form input:focus, .form textarea:focus, .form select:focus,
input:focus, textarea:focus, select:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 4px var(--primary-100);
}
.form .errorlist { list-style: none; padding: 0; margin: 4px 0; color: var(--danger); font-size: 13px; }
.helptext { color: var(--muted); font-size: 12.5px; margin-top: 4px; }

/* ============ CARDS ============ */
.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r);
  padding: 22px;
  box-shadow: var(--shadow-sm);
  transition: box-shadow .2s ease;
}
.card:hover { box-shadow: var(--shadow); }
.card + .card { margin-top: 14px; }

/* ============ MESSAGES ============ */
.messages { list-style: none; padding: 0; margin: 16px 0; display: grid; gap: 10px; }
.msg {
  padding: 12px 16px;
  border-radius: var(--r-sm);
  background: white;
  border: 1px solid var(--line);
  border-left: 4px solid var(--muted);
  font-size: 14.5px;
  box-shadow: var(--shadow-sm);
}
.msg-success { border-left-color: var(--success); background: #ecfdf5; }
.msg-warning { border-left-color: var(--warning); background: #fffbeb; }
.msg-danger  { border-left-color: var(--danger);  background: #fef2f2; }
.msg-info    { border-left-color: var(--primary); background: var(--primary-50); }

/* ============ LAYOUT ============ */
.main { padding: 36px 0 80px; min-height: 60vh; }
.row { display: flex; gap: 24px; flex-wrap: wrap; }
.row > * { flex: 1; min-width: 0; }

/* ============ HERO ============ */
.hero {
  padding: 80px 0 56px;
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: "";
  position: absolute; inset: 0;
  background:
    radial-gradient(60% 50% at 85% 20%, rgba(251, 112, 80, 0.18), transparent 70%),
    radial-gradient(50% 60% at 10% 80%, rgba(37, 99, 235, 0.18), transparent 65%),
    radial-gradient(40% 40% at 50% 0%, rgba(14, 165, 233, 0.12), transparent 70%);
  pointer-events: none;
  z-index: 0;
}
.hero > .container { position: relative; z-index: 1; }
.hero h1 {
  font-size: clamp(2.5rem, 6vw, 4.2rem);
  line-height: 1;
  margin: 0 0 20px;
  letter-spacing: -0.035em;
  font-weight: 700;
}
.hero h1 .gr {
  background: var(--gradient);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.hero .lead {
  font-size: 1.18rem;
  color: var(--ink-soft);
  max-width: 640px;
  margin: 0 0 32px;
  line-height: 1.55;
}
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; }
.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  border-radius: 999px;
  background: white;
  border: 1px solid var(--line);
  font-size: 13px;
  font-weight: 600;
  color: var(--ink-soft);
  margin-bottom: 24px;
  box-shadow: var(--shadow-sm);
}
.hero-eyebrow .dot {
  width: 8px; height: 8px;
  background: var(--accent);
  border-radius: 50%;
  box-shadow: 0 0 0 4px rgba(251, 112, 80, 0.2);
  animation: pulse 2s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { box-shadow: 0 0 0 4px rgba(251, 112, 80, 0.2); }
  50% { box-shadow: 0 0 0 8px rgba(251, 112, 80, 0.05); }
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
  margin: 48px 0;
}
.feature-card {
  background: white;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  padding: 24px;
  box-shadow: var(--shadow-sm);
  transition: all .2s ease;
}
.feature-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.feature-card .ico {
  width: 48px; height: 48px;
  border-radius: 14px;
  display: inline-flex; align-items: center; justify-content: center;
  font-size: 24px;
  margin-bottom: 14px;
}
.feature-card.v1 .ico { background: var(--primary-100); color: var(--primary); }
.feature-card.v2 .ico { background: #fff1ed; color: var(--accent-600); }
.feature-card.v3 .ico { background: #fef9c3; color: #a16207; }
.feature-card.v4 .ico { background: #cffafe; color: #0e7490; }
.feature-card h3 { margin: 0 0 6px; font-size: 17px; }
.feature-card p { margin: 0; color: var(--ink-soft); font-size: 14.5px; }

/* ============ COURSE CARDS ============ */
.course-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 22px;
}
.course-card {
  background: white;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-sm);
  transition: all .25s cubic-bezier(.4,0,.2,1);
  position: relative;
  color: var(--ink);
}
.course-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  text-decoration: none;
  color: var(--ink);
  border-color: var(--primary-100);
}
.course-cover {
  height: 160px;
  background: var(--gradient);
  display: flex;
  align-items: flex-end;
  padding: 16px;
  color: white;
  font-weight: 700;
  font-size: 15px;
  position: relative;
  overflow: hidden;
}
.course-cover::after {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 80% 20%, rgba(255,255,255,0.2), transparent 60%);
  pointer-events: none;
}
.course-cover img { width: 100%; height: 100%; object-fit: cover; }
.course-body { padding: 20px; flex: 1; display: flex; flex-direction: column; }
.course-title {
  font-family: "Space Grotesk", sans-serif;
  font-size: 18px;
  font-weight: 700;
  margin: 0 0 8px;
  color: var(--ink);
  line-height: 1.25;
  letter-spacing: -0.01em;
}
.course-meta {
  font-size: 13px;
  color: var(--muted);
  margin-bottom: 12px;
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  align-items: center;
}
.course-desc {
  font-size: 14.5px;
  color: var(--ink-soft);
  flex: 1;
  line-height: 1.5;
}

/* ============ LESSON PLAYER (new) ============ */
.lp-shell {
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: 24px;
  align-items: start;
  max-width: 1300px;
  margin: 0 auto;
  padding: 0 20px;
}
@media (max-width: 960px) {
  .lp-shell { grid-template-columns: 1fr; padding: 0 16px; }
  .lp-sidebar { position: static !important; height: auto !important; max-height: 400px; }
}

/* ----- Sidebar with module tree ----- */
.lp-sidebar {
  background: white;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  padding: 18px 14px;
  position: sticky;
  top: 80px;
  max-height: calc(100vh - 100px);
  overflow-y: auto;
  box-shadow: var(--shadow-sm);
}
.lp-back {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  color: var(--muted);
  font-weight: 600;
  margin-bottom: 14px;
  padding: 4px 8px;
  border-radius: 8px;
  text-decoration: none;
}
.lp-back:hover { background: var(--surface-2); color: var(--primary); text-decoration: none; }

.lp-tree { display: flex; flex-direction: column; gap: 4px; }
.lp-module {
  border: 1px solid transparent;
  border-radius: 10px;
  transition: background 0.15s ease;
}
.lp-module[open] { background: var(--surface-2); border-color: var(--line); }
.lp-module summary {
  list-style: none;
  cursor: pointer;
  padding: 10px 10px;
  display: flex;
  align-items: center;
  gap: 10px;
  border-radius: 10px;
  user-select: none;
}
.lp-module summary::-webkit-details-marker { display: none; }
.lp-module summary:hover { background: var(--primary-50); }
.lp-module-num {
  flex-shrink: 0;
  width: 24px; height: 24px;
  border-radius: 8px;
  background: var(--primary-100);
  color: var(--primary-600);
  font-weight: 700;
  font-size: 12px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
.lp-module[open] .lp-module-num { background: var(--primary); color: white; }
.lp-module-title {
  flex: 1;
  font-weight: 600;
  font-size: 14px;
  color: var(--ink);
  line-height: 1.3;
}
.lp-chev {
  color: var(--muted);
  font-size: 12px;
  transition: transform 0.2s ease;
}
.lp-module[open] .lp-chev { transform: rotate(180deg); color: var(--primary); }

.lp-lessons {
  list-style: none;
  padding: 4px 8px 10px 36px;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.lp-lesson a {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 7px 10px;
  border-radius: 8px;
  color: var(--ink-soft);
  font-size: 13.5px;
  font-weight: 500;
  text-decoration: none;
  line-height: 1.35;
}
.lp-lesson a:hover { background: var(--primary-50); color: var(--primary); text-decoration: none; }
.lp-lesson.is-current a {
  background: var(--primary);
  color: white;
  font-weight: 600;
}
.lp-lesson.is-current a:hover { background: var(--primary-600); color: white; }
.lp-lesson.is-done a { color: var(--success); }
.lp-lesson.is-done.is-current a { color: white; }
.lp-lesson-dot {
  width: 18px;
  text-align: center;
  font-size: 11px;
  flex-shrink: 0;
}
.lp-lesson-min {
  margin-left: auto;
  font-size: 11px;
  color: var(--muted);
  flex-shrink: 0;
}
.lp-lesson.is-current .lp-lesson-min { color: rgba(255,255,255,0.7); }
.lp-lesson-quiz a { font-style: italic; color: var(--accent-600); }
.lp-lesson-quiz.is-current a { background: var(--accent); color: white; }
.lp-lesson-case a { color: #be185d; }
.lp-lesson-case a:hover { background: #fce7f3; color: #9d174d; }

/* ----- Main lesson area ----- */
.lp-main {
  background: white;
  border-radius: var(--r-lg);
  border: 1px solid var(--line);
  padding: 32px 40px;
  box-shadow: var(--shadow-sm);
  min-height: 600px;
}
@media (max-width: 720px) { .lp-main { padding: 24px 20px; } }
.lp-crumb {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--muted);
  font-weight: 700;
  margin-bottom: 8px;
}
.lp-title {
  font-family: "Space Grotesk", sans-serif;
  font-size: 2rem;
  font-weight: 700;
  margin: 0 0 12px;
  color: var(--ink);
  letter-spacing: -0.02em;
}
.lp-lead { color: var(--ink-soft); font-size: 16px; margin: 0 0 24px; }

/* ----- Stepper dots ----- */
.lp-stepper {
  display: flex;
  gap: 6px;
  margin-bottom: 24px;
  flex-wrap: wrap;
  align-items: center;
}
.lp-dot {
  width: 28px; height: 6px;
  border-radius: 3px;
  background: var(--line);
  border: 0;
  padding: 0;
  cursor: pointer;
  transition: all 0.2s ease;
}
.lp-dot.is-done { background: var(--success); }
.lp-dot.is-active { background: var(--gradient); height: 8px; width: 38px; }
.lp-dot-final {
  width: auto;
  height: auto;
  padding: 2px 6px;
  border-radius: 999px;
  background: transparent;
  font-size: 14px;
  margin-left: 4px;
}
.lp-dot-final.is-active { background: var(--accent); height: auto; }
.lp-dot-final.is-done { background: var(--success); }

.lp-video {
  margin-bottom: 24px;
  aspect-ratio: 16/9;
  background: black;
  border-radius: var(--r);
  overflow: hidden;
  box-shadow: var(--shadow);
}
.lp-video video, .lp-video iframe { width: 100%; height: 100%; border: 0; }

/* ----- Step content ----- */
.lp-step {
  min-height: 240px;
  animation: lpFade 0.25s ease;
}
@keyframes lpFade {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}
.lp-step-num {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
  font-weight: 700;
  margin-bottom: 14px;
}
.lp-step p { font-size: 16.5px; line-height: 1.7; }
.lp-step h2 { font-family: "Space Grotesk", sans-serif; font-size: 1.5rem; margin-top: 0; }

/* ----- Checkpoint question ----- */
.lp-question {
  background: linear-gradient(135deg, #eff6ff 0%, #cffafe 100%);
  border: 1.5px solid var(--primary-100);
  border-radius: var(--r-lg);
  padding: 26px;
}
.lp-question h2 { color: var(--ink); margin: 0 0 18px; font-size: 1.3rem; }
.lp-choices { display: flex; flex-direction: column; gap: 8px; margin-bottom: 16px; }
.lp-choice {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  background: white;
  border: 1.5px solid var(--line);
  border-radius: 10px;
  cursor: pointer;
  font-size: 15px;
  transition: all 0.15s ease;
}
.lp-choice:hover { border-color: var(--primary); }
.lp-choice input { accent-color: var(--primary); }
.lp-choice.is-picked { border-color: var(--primary); background: var(--primary-50); }
.lp-choice.is-correct { border-color: var(--success); background: #ecfdf5; color: #047857; font-weight: 600; }
.lp-choice.is-wrong { border-color: var(--danger); background: #fef2f2; color: #b91c1c; }
.lp-cp-actions { display: flex; align-items: center; gap: 12px; }
.lp-cp-ok { color: var(--success); font-weight: 700; }
.lp-cp-bad { color: var(--danger); font-weight: 700; }
.lp-cp-explain {
  margin-top: 14px;
  padding: 12px 16px;
  background: white;
  border-left: 4px solid var(--accent);
  border-radius: 0 10px 10px 0;
  font-size: 14.5px;
  color: var(--ink-soft);
}

/* ----- Final step ----- */
.lp-step-final h2 { font-size: 2rem; margin-bottom: 8px; }
.lp-final-card {
  background: linear-gradient(135deg, var(--primary-50), #fce7f3);
  border: 1.5px solid var(--primary-100);
  border-radius: var(--r-lg);
  padding: 22px;
  margin: 20px 0;
}
.lp-final-card h3 { margin: 0 0 6px; }
.lp-final-actions { display: flex; gap: 12px; margin-top: 24px; flex-wrap: wrap; align-items: center; }

/* ----- Step navigation ----- */
.lp-nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  margin-top: 36px;
  padding-top: 22px;
  border-top: 1px solid var(--line);
}
.lp-nav-info {
  font-family: "Space Grotesk", sans-serif;
  font-size: 14px;
  font-weight: 600;
  color: var(--muted);
}

/* ----- Comments under lesson ----- */
.lp-comments {
  margin-top: 32px;
  padding-top: 24px;
  border-top: 1px solid var(--line);
}
.lp-comments-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
  padding: 6px 4px;
  border-radius: 8px;
  user-select: none;
}
.lp-comments-head:hover { background: var(--surface-2); }
.lp-comments-head h3 { margin: 0; font-family: "Space Grotesk", sans-serif; font-size: 18px; }
.lp-comments-head .lp-chev { font-size: 18px; color: var(--muted); transition: transform 0.2s; }
.lp-comments-head .lp-chev.is-open { transform: rotate(180deg); color: var(--primary); }
.lp-comment-form {
  display: flex;
  gap: 12px;
  margin: 18px 0 22px;
}
.lp-comment-user { flex-shrink: 0; }
.lp-comments-list { display: flex; flex-direction: column; gap: 18px; }
.lp-comment {
  display: flex;
  gap: 12px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--line);
}
.lp-comment:last-child { border-bottom: 0; padding-bottom: 0; }
.lp-comment-reply {
  margin-top: 12px;
  padding: 12px 0 0 0;
  border-bottom: 0;
  border-top: 1px dashed var(--line);
}
.lp-comment-meta { display: flex; gap: 6px; align-items: center; margin-bottom: 6px; font-size: 14px; }
.lp-comment-meta a { color: var(--ink); text-decoration: none; }
.lp-comment-meta a:hover { color: var(--primary); }
.lp-comment-body { color: var(--ink-soft); font-size: 14.5px; line-height: 1.55; }
.lp-comment-actions { display: flex; gap: 8px; margin-top: 8px; }
.lp-like-btn, .lp-reply-btn {
  background: none;
  border: 0;
  padding: 4px 8px;
  border-radius: 6px;
  color: var(--muted);
  font: inherit;
  font-size: 13px;
  cursor: pointer;
  transition: all 0.15s;
}
.lp-like-btn:hover, .lp-reply-btn:hover { background: var(--surface-2); color: var(--primary); }
.lp-like-btn.is-liked { color: var(--accent); font-weight: 600; }

/* ----- Floating tutor button & slide-out panel ----- */
.lp-tutor-fab {
  position: fixed;
  right: 24px;
  bottom: 24px;
  width: 60px; height: 60px;
  border-radius: 50%;
  border: 0;
  background: var(--gradient);
  color: white;
  font-size: 26px;
  cursor: pointer;
  box-shadow: 0 12px 28px rgba(37,99,235,0.4);
  z-index: 100;
  transition: all 0.2s ease;
}
.lp-tutor-fab:hover { transform: scale(1.05); box-shadow: 0 16px 32px rgba(37,99,235,0.5); }
.lp-tutor-fab.is-open {
  opacity: 0;
  pointer-events: none;
  transform: scale(0.5);
}

.lp-tutor {
  position: fixed;
  right: 0;
  top: 0;
  bottom: 0;
  width: 420px;
  max-width: 100vw;
  background: white;
  border-left: 1px solid var(--line);
  box-shadow: -20px 0 60px rgba(11,30,63,0.18);
  display: flex;
  flex-direction: column;
  transform: translateX(100%);
  transition: transform 0.3s cubic-bezier(.4,0,.2,1);
  z-index: 99;
}
.lp-tutor.is-open { transform: translateX(0); }
.lp-tutor-head {
  padding: 18px 20px;
  border-bottom: 1px solid var(--line);
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: linear-gradient(135deg, var(--primary-50), #cffafe);
}
.lp-tutor-close {
  width: 32px; height: 32px;
  border-radius: 50%;
  border: 0;
  background: white;
  color: var(--ink-soft);
  font-size: 20px;
  cursor: pointer;
}
.lp-tutor-close:hover { background: var(--line); }
.lp-tutor-feed {
  flex: 1;
  overflow-y: auto;
  padding: 18px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  background: var(--surface-2);
}
.lp-tutor-empty {
  text-align: center;
  color: var(--muted);
  padding: 40px 20px;
  font-size: 14px;
}
.lp-tutor-input {
  display: flex;
  gap: 6px;
  padding: 12px;
  border-top: 1px solid var(--line);
  background: white;
}
.lp-tutor-input input {
  flex: 1;
  padding: 10px 14px;
  border-radius: 10px;
  border: 1.5px solid var(--line);
  font-size: 14px;
}

.lp-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(11,30,63,0.4);
  z-index: 98;
}
@media (min-width: 720px) { .lp-backdrop { display: none !important; } }
@media (max-width: 720px) {
  .lp-tutor { width: 100vw; }
  .lp-tutor-fab { right: 16px; bottom: 16px; width: 52px; height: 52px; }
}

/* ============ OLD LESSON STYLES (kept as fallback) ============ */
.lesson-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 340px;
  gap: 32px;
}
@media (max-width: 960px) { .lesson-layout { grid-template-columns: 1fr; } }
.lesson-main {
  background: white;
  border-radius: var(--r-lg);
  padding: 36px 40px;
  border: 1px solid var(--line);
  box-shadow: var(--shadow-sm);
}
.lesson-main h1 { font-size: 2.2rem; margin-top: 0; }
.lesson-sidebar { display: flex; flex-direction: column; gap: 16px; }
.lesson-toc {
  background: white;
  border: 1px solid var(--line);
  border-radius: var(--r);
  padding: 18px;
  box-shadow: var(--shadow-sm);
}
.lesson-toc h3 {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
  margin: 0 0 12px;
  font-family: "Inter", sans-serif;
  font-weight: 600;
}
.lesson-toc ol { padding-left: 0; list-style: none; margin: 0; }
.lesson-toc li {
  margin-bottom: 2px;
  font-size: 14px;
  position: relative;
  padding-left: 24px;
}
.lesson-toc li::before {
  content: counter(li-counter);
  counter-increment: li-counter;
  position: absolute;
  left: 0;
  top: 6px;
  width: 18px; height: 18px;
  border-radius: 50%;
  background: var(--surface-2);
  color: var(--muted);
  font-size: 11px;
  font-weight: 700;
  display: flex; align-items: center; justify-content: center;
}
.lesson-toc ol { counter-reset: li-counter; }
.lesson-toc li.current::before { background: var(--primary); color: white; }
.lesson-toc li a {
  display: block;
  padding: 6px 8px;
  border-radius: 6px;
  color: var(--ink-soft);
  font-weight: 500;
}
.lesson-toc li a:hover { background: var(--primary-50); color: var(--primary); }
.lesson-toc li.current a { color: var(--primary); font-weight: 600; }
.lesson-toc .done { color: var(--success); }
.lesson-toc .done::after { content: " ✓"; }

.lesson-content h1, .lesson-content h2, .lesson-content h3 { margin-top: 1.4em; }
.lesson-content p { margin: 1em 0; font-size: 16.5px; line-height: 1.7; color: var(--ink); }
.block { margin: 22px 0; }
.block-heading { font-size: 1.5rem; font-weight: 700; }
.block-quote {
  border-left: 4px solid var(--accent);
  padding: 14px 22px;
  background: linear-gradient(135deg, #fff7ed, #fff1ed);
  font-style: italic;
  color: var(--ink-soft);
  border-radius: 0 var(--r-sm) var(--r-sm) 0;
  font-size: 16px;
}
.block-term {
  background: linear-gradient(135deg, var(--primary-50), #cffafe);
  padding: 18px 22px;
  border-radius: var(--r-sm);
  border-left: 4px solid var(--primary);
}
.block-term .term-name {
  font-weight: 700;
  color: var(--primary-600);
  font-family: "Space Grotesk", sans-serif;
  font-size: 17px;
  margin-bottom: 4px;
}
.block-callout {
  background: linear-gradient(135deg, #fffbeb, #fef9c3);
  padding: 18px 22px;
  border-radius: var(--r-sm);
  border-left: 4px solid var(--pop);
}
.block-image img { max-width: 100%; border-radius: var(--r-sm); }
.block-video {
  aspect-ratio: 16/9;
  background: var(--bg-dark);
  border-radius: var(--r);
  overflow: hidden;
  box-shadow: var(--shadow);
}
.block-video iframe, .block-video video { width: 100%; height: 100%; border: 0; }

.lesson-nav {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  margin-top: 32px;
  padding-top: 24px;
  border-top: 1px solid var(--line);
  flex-wrap: wrap;
}
.completed-badge {
  background: var(--success);
  color: white;
  padding: 8px 14px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

/* ============ TUTOR ============ */
.tutor-panel {
  display: flex;
  flex-direction: column;
  height: 520px;
  background: white;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  overflow: hidden;
  box-shadow: var(--shadow);
}
.tutor-header {
  padding: 16px 20px;
  border-bottom: 1px solid var(--line);
  display: flex;
  align-items: center;
  gap: 10px;
  background: linear-gradient(135deg, var(--primary-50), #cffafe);
}
.tutor-header h3, .tutor-header strong {
  margin: 0; font-size: 15px; font-weight: 700;
}
.tutor-feed {
  flex: 1;
  overflow-y: auto;
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  background: var(--surface-2);
}
.bubble {
  padding: 12px 16px;
  border-radius: 16px;
  max-width: 85%;
  font-size: 14.5px;
  white-space: pre-wrap;
  word-break: break-word;
  line-height: 1.5;
  box-shadow: var(--shadow-sm);
}
.bubble.user {
  background: var(--gradient);
  color: white;
  align-self: flex-end;
  border-bottom-right-radius: 4px;
}
.bubble.assistant {
  background: white;
  align-self: flex-start;
  border-bottom-left-radius: 4px;
  border: 1px solid var(--line);
}
.tutor-input {
  display: flex;
  gap: 8px;
  padding: 14px;
  border-top: 1px solid var(--line);
  background: white;
}
.tutor-input input {
  flex: 1;
  padding: 10px 14px;
  border-radius: 10px;
  border: 1.5px solid var(--line);
  font-size: 14.5px;
}

/* ============ QUIZ ============ */
.quiz-question {
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  padding: 24px;
  background: white;
  margin-bottom: 16px;
  box-shadow: var(--shadow-sm);
}
.quiz-question .qtitle {
  font-weight: 700;
  margin-bottom: 16px;
  font-family: "Space Grotesk", sans-serif;
  font-size: 17px;
  line-height: 1.4;
}
.choice {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  padding: 12px 14px;
  border-radius: 10px;
  cursor: pointer;
  border: 1.5px solid transparent;
  transition: all .15s ease;
  margin-bottom: 6px;
  font-size: 15px;
}
.choice:hover { background: var(--primary-50); border-color: var(--primary-100); }
.choice input { margin-top: 3px; accent-color: var(--primary); }
.choice.correct { background: #ecfdf5; border-color: #86efac; color: #047857; }
.choice.wrong { background: #fef2f2; border-color: #fecaca; color: #b91c1c; }

/* ============ COMMENTS ============ */
.comment {
  padding: 16px 0;
  border-top: 1px solid var(--line);
}
.comment-meta {
  font-size: 12.5px;
  color: var(--muted);
  margin-bottom: 6px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.comment-meta strong { color: var(--ink); font-weight: 600; }

/* ============ LEADERBOARD ============ */
.lb-table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  background: white;
  border-radius: var(--r-lg);
  overflow: hidden;
  box-shadow: var(--shadow);
}
.lb-table th, .lb-table td {
  padding: 14px 18px;
  text-align: left;
  border-bottom: 1px solid var(--line);
}
.lb-table th {
  background: var(--surface-2);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--muted);
  font-weight: 700;
}
.lb-table tr:last-child td { border-bottom: 0; }
.lb-table tr:hover td { background: var(--primary-50); }
.lb-rank { font-weight: 700; color: var(--muted); width: 50px; font-family: "Space Grotesk", sans-serif; font-size: 16px; }
.lb-rank.top-1 { color: #ca8a04; }
.lb-rank.top-2 { color: #6b7280; }
.lb-rank.top-3 { color: #b45309; }

/* ============ BADGES ============ */
.badge-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 14px;
}
.badge-card {
  background: white;
  border: 1px solid var(--line);
  border-radius: var(--r);
  padding: 18px 14px;
  text-align: center;
  transition: all .2s ease;
  box-shadow: var(--shadow-sm);
}
.badge-card:hover { transform: translateY(-3px); box-shadow: var(--shadow); }
.badge-card.locked { opacity: .35; filter: grayscale(.7); }
.badge-icon { font-size: 42px; margin-bottom: 6px; line-height: 1; }
.badge-card strong { font-size: 14px; }
.badge-card .small { font-size: 12px; margin-top: 4px; }

/* ============ PILLS ============ */
.pill {
  display: inline-flex;
  padding: 4px 12px;
  border-radius: 999px;
  background: var(--primary-50);
  font-size: 12px;
  font-weight: 600;
  color: var(--primary-600);
  border: 1px solid var(--primary-100);
}
.pill-success { background: #ecfdf5; color: var(--success); border-color: #86efac; }
.pill-warn { background: #fffbeb; color: #b45309; border-color: #fde68a; }
.pill-danger { background: #fef2f2; color: var(--danger); border-color: #fecaca; }

/* ============ STATS ============ */
.stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 14px;
  margin: 18px 0;
}
.stat {
  background: white;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  padding: 18px 20px;
  box-shadow: var(--shadow-sm);
  transition: all .2s ease;
  position: relative;
  overflow: hidden;
}
.stat:hover { transform: translateY(-2px); box-shadow: var(--shadow); }
.stat::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--gradient);
  opacity: 0;
  transition: opacity .2s;
}
.stat:hover::before { opacity: 1; }
.stat .label {
  font-size: 12px;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-weight: 600;
}
.stat .value {
  font-size: 32px;
  font-weight: 700;
  margin-top: 6px;
  font-family: "Space Grotesk", sans-serif;
  letter-spacing: -0.02em;
  color: var(--ink);
}

/* ============ PROGRESS ============ */
.progress {
  height: 8px;
  background: var(--line);
  border-radius: 999px;
  overflow: hidden;
}
.progress > div {
  height: 100%;
  background: var(--gradient);
  transition: width .4s cubic-bezier(.4,0,.2,1);
  border-radius: 999px;
}

/* ============ ACTIVITY TIMELINE ============ */
.timeline { display: flex; flex-direction: column; gap: 12px; }
.timeline-item {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  padding: 12px 14px;
  background: white;
  border: 1px solid var(--line);
  border-radius: var(--r);
  box-shadow: var(--shadow-sm);
}
.timeline-icon {
  width: 36px; height: 36px;
  border-radius: 50%;
  background: var(--primary-50);
  display: flex; align-items: center; justify-content: center;
  font-size: 18px;
  flex-shrink: 0;
}

/* ============ QUIZ TIMER ============ */
.quiz-timer {
  background: white;
  border: 2px solid var(--primary);
  border-radius: var(--r);
  padding: 10px 18px;
  text-align: center;
  box-shadow: var(--shadow);
  min-width: 140px;
}
.quiz-timer-label {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-weight: 700;
  color: var(--muted);
}
.quiz-timer-value {
  font-family: "Space Grotesk", sans-serif;
  font-size: 28px;
  font-weight: 700;
  color: var(--primary);
  letter-spacing: -0.02em;
  line-height: 1.1;
}
.quiz-timer.is-low {
  border-color: var(--danger);
  animation: timerPulse 1s ease-in-out infinite;
}
.quiz-timer.is-low .quiz-timer-value { color: var(--danger); }
@keyframes timerPulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(239, 68, 68, 0.4); }
  50% { box-shadow: 0 0 0 8px rgba(239, 68, 68, 0); }
}

/* ============ CHALLENGE CARD ============ */
.challenge-card {
  margin-top: 18px;
  border: 1.5px solid var(--accent);
  background: linear-gradient(135deg, #fff7ed, #fffbeb);
}

/* ============ BADGE TOAST ============ */
.badge-toast {
  position: fixed;
  top: 80px;
  right: 24px;
  z-index: 95;
  animation: badgeIn 0.4s cubic-bezier(.4,0,.2,1);
}
@keyframes badgeIn {
  from { opacity: 0; transform: translateX(40px) scale(0.9); }
  to { opacity: 1; transform: translateX(0) scale(1); }
}
.badge-toast-inner {
  background: white;
  border: 2px solid var(--accent);
  border-radius: var(--r-lg);
  padding: 14px 16px;
  box-shadow: var(--shadow-pop);
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 300px;
  max-width: 380px;
}
.badge-toast-icon {
  font-size: 36px;
  line-height: 1;
}
.badge-toast-close {
  width: 24px; height: 24px;
  border-radius: 50%;
  border: 0;
  background: var(--line);
  color: var(--ink-soft);
  font-size: 16px;
  cursor: pointer;
  line-height: 1;
}
.badge-toast-close:hover { background: var(--line-strong); }

/* ============ FOOTER ============ */
.footer {
  background: var(--bg-dark);
  color: rgba(255,255,255,0.7);
  padding: 36px 0;
  margin-top: 80px;
  font-size: 14px;
}
.footer a { color: rgba(255,255,255,0.9); }
.footer a:hover { color: white; }
.footer-inner {
  display: flex; justify-content: space-between;
  gap: 20px; flex-wrap: wrap;
}
.footer strong { color: white; }

/* ============ MISC ============ */
.muted { color: var(--muted); }
.small { font-size: 13px; }
.center { text-align: center; }

::selection { background: var(--primary); color: white; }
::-moz-selection { background: var(--primary); color: white; }

/* ============ IMPERSONATION ============ */
.impersonate-bar {
  background: linear-gradient(135deg, #fb7050, #f59e0b);
  color: white;
  font-size: 14px;
  font-weight: 500;
  box-shadow: 0 2px 8px rgba(251, 112, 80, 0.3);
}
.impersonate-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  padding: 10px 24px;
  flex-wrap: wrap;
}
.impersonate-bar .btn {
  background: rgba(255,255,255,0.95);
  border-color: transparent;
}
.impersonate-bar .btn:hover { background: white; }
.impersonate-bar strong { font-weight: 700; }

.role-switcher-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: linear-gradient(135deg, #fef3c7, #fed7aa);
  border: 1px solid #fcd34d;
  border-radius: 999px;
  padding: 6px 14px;
  cursor: pointer;
  font: inherit;
  font-size: 13px;
  font-weight: 600;
  color: #92400e;
  transition: all .15s ease;
}
.role-switcher-btn:hover {
  background: linear-gradient(135deg, #fde68a, #fdba74);
  transform: translateY(-1px);
  box-shadow: 0 4px 10px rgba(252, 211, 77, 0.4);
}

.role-switcher-drop {
  min-width: 280px !important;
  padding: 10px !important;
}
.role-switcher-hint {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--muted);
  font-weight: 700;
  padding: 6px 10px 8px;
  border-bottom: 1px solid var(--line);
  margin-bottom: 4px;
}
.role-switcher-row {
  display: flex !important;
  align-items: center !important;
  gap: 10px;
  padding: 8px 10px !important;
  border-radius: 10px !important;
  text-decoration: none;
  color: var(--ink) !important;
}
.role-switcher-row:hover { background: var(--primary-50); }
.role-switcher-row.is-current {
  background: var(--primary-100);
  cursor: default;
}
.role-avatar {
  width: 32px; height: 32px;
  border-radius: 50%;
  background: var(--gradient);
  color: white;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 13px;
  flex-shrink: 0;
}
.role-info {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
}
.role-info strong { font-size: 14px; }
.role-tag {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--muted);
  font-weight: 600;
}
.role-tag-admin, .role-tag-methodist {
  color: var(--primary-600);
}
.role-tag-student { color: var(--accent-600); }
.role-current-dot { color: var(--primary); font-size: 14px; }
.role-switcher-exit {
  margin-top: 6px !important;
  border-top: 1px solid var(--line);
  padding-top: 12px !important;
  color: var(--accent-600) !important;
  font-weight: 600;
  justify-content: center !important;
}

/* Scrollbar */
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: var(--surface-2); }
::-webkit-scrollbar-thumb {
  background: var(--line-strong);
  border-radius: 999px;
  border: 2px solid var(--surface-2);
}
::-webkit-scrollbar-thumb:hover { background: var(--muted); }