/* ============================================================
   KIDS FLIX — Zimbabwean Learning Platform
   Created by Ntandomods
   Design system & styles
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Fredoka:wght@400;500;600;700&family=Nunito:wght@400;600;700;800;900&family=Great+Vibes&display=swap');

:root {
  /* Zimbabwe flag inspired palette */
  --zim-green: #00A651;
  --zim-green-dark: #007A3D;
  --zim-yellow: #FFD200;
  --zim-red: #EF3340;
  --zim-black: #101010;
  --zim-white: #ffffff;

  /* Brand */
  --brand: #FF3D57;
  --brand-2: #FFB300;
  --brand-3: #00C2A8;
  --brand-4: #7C4DFF;
  --brand-5: #2E9BFF;

  /* Surfaces (dark, Netflix-like) */
  --bg: #0b0d12;
  --bg-2: #12151d;
  --surface: #1a1e29;
  --surface-2: #232838;
  --surface-3: #2e3446;
  --line: rgba(255,255,255,0.08);

  --text: #f4f6fb;
  --text-2: #b9c0d0;
  --text-3: #7c8399;

  --radius: 18px;
  --radius-sm: 12px;
  --radius-lg: 28px;

  --shadow: 0 18px 40px rgba(0,0,0,0.45);
  --shadow-sm: 0 8px 20px rgba(0,0,0,0.35);
  --shadow-glow: 0 0 0 3px rgba(255,61,87,0.35);

  --grad-hero: linear-gradient(120deg, #FF3D57 0%, #FFB300 55%, #00C2A8 100%);
  --grad-brand: linear-gradient(135deg, #FF3D57, #FF8A00);
  --grad-green: linear-gradient(135deg, #00A651, #00C2A8);
  --grad-purple: linear-gradient(135deg, #7C4DFF, #2E9BFF);
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: 'Nunito', system-ui, -apple-system, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

h1, h2, h3, h4, .font-display {
  font-family: 'Fredoka', 'Nunito', sans-serif;
  font-weight: 600;
  line-height: 1.15;
  letter-spacing: -0.01em;
}

a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; color: inherit; }
img { max-width: 100%; display: block; }
ul { list-style: none; }

/* Scrollbar */
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: var(--bg-2); }
::-webkit-scrollbar-thumb { background: var(--surface-3); border-radius: 20px; }
::-webkit-scrollbar-thumb:hover { background: #3d4459; }

/* ============ APP SHELL ============ */
#app { min-height: 100vh; }

.topbar {
  position: sticky;
  top: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  gap: 18px;
  padding: 14px 26px;
  background: linear-gradient(180deg, rgba(11,13,18,0.98) 60%, rgba(11,13,18,0.7));
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: 'Fredoka', sans-serif;
  font-weight: 700;
  font-size: 24px;
  letter-spacing: -0.02em;
  cursor: pointer;
  flex-shrink: 0;
}
.logo .bird {
  width: 40px; height: 40px;
  display: grid; place-items: center;
  background: var(--grad-brand);
  border-radius: 12px;
  font-size: 22px;
  box-shadow: var(--shadow-sm);
  transform: rotate(-4deg);
}
.logo .flix { color: var(--brand); }

.topbar-nav {
  display: flex;
  gap: 6px;
  margin-left: 8px;
  flex: 1;
  overflow-x: auto;
  scrollbar-width: none;
}
.topbar-nav::-webkit-scrollbar { display: none; }
.topbar-nav button {
  padding: 8px 16px;
  border-radius: 999px;
  font-weight: 700;
  font-size: 14px;
  color: var(--text-2);
  white-space: nowrap;
  transition: all .2s;
}
.topbar-nav button:hover { color: var(--text); background: var(--surface); }
.topbar-nav button.active { color: #fff; background: var(--surface-3); }

.topbar-right { display: flex; align-items: center; gap: 12px; }

.streak-chip {
  display: flex; align-items: center; gap: 6px;
  background: var(--surface);
  border: 1px solid var(--line);
  padding: 6px 12px;
  border-radius: 999px;
  font-weight: 800;
  font-size: 13px;
}
.streak-chip .fire { font-size: 16px; }

.avatar-mini {
  width: 40px; height: 40px; border-radius: 50%;
  display: grid; place-items: center;
  font-size: 20px;
  background: var(--surface-2);
  border: 2px solid var(--brand);
  cursor: pointer;
}

/* ============ BUTTONS ============ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 22px;
  border-radius: 999px;
  font-weight: 800;
  font-size: 15px;
  transition: transform .15s, box-shadow .2s, background .2s;
  white-space: nowrap;
}
.btn:active { transform: scale(0.97); }
.btn-primary { background: var(--grad-brand); color: #fff; box-shadow: 0 8px 22px rgba(255,61,87,0.4); }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 12px 28px rgba(255,61,87,0.5); }
.btn-green { background: var(--grad-green); color: #04231a; box-shadow: 0 8px 22px rgba(0,166,81,0.35); }
.btn-green:hover { transform: translateY(-2px); }
.btn-ghost { background: var(--surface-2); color: var(--text); border: 1px solid var(--line); }
.btn-ghost:hover { background: var(--surface-3); }
.btn-light { background: #fff; color: #101010; }
.btn-light:hover { transform: translateY(-2px); }
.btn-lg { padding: 16px 32px; font-size: 17px; }
.btn-sm { padding: 8px 16px; font-size: 13px; }

/* ============ HERO ============ */
.hero {
  position: relative;
  padding: 40px 26px 20px;
  overflow: hidden;
}
.hero-banner {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background:
    radial-gradient(1200px 500px at 80% -10%, rgba(255,179,0,0.28), transparent 60%),
    radial-gradient(900px 500px at 0% 110%, rgba(0,194,168,0.25), transparent 55%),
    linear-gradient(120deg, #1a1e29, #2a1f36);
  border: 1px solid var(--line);
  padding: 44px 40px;
  min-height: 340px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  box-shadow: var(--shadow);
}
.hero-banner::after {
  content: "";
  position: absolute; inset: 0;
  background-image: radial-gradient(rgba(255,255,255,0.05) 1px, transparent 1px);
  background-size: 22px 22px;
  opacity: .5;
  pointer-events: none;
}
.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.18);
  padding: 7px 14px;
  border-radius: 999px;
  font-weight: 800; font-size: 13px;
  width: fit-content;
  margin-bottom: 18px;
}
.hero h1 {
  font-size: clamp(30px, 5vw, 54px);
  font-weight: 700;
  max-width: 780px;
  position: relative; z-index: 1;
}
.hero h1 .grad {
  background: var(--grad-hero);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero p {
  color: var(--text-2);
  font-size: clamp(15px, 1.6vw, 18px);
  max-width: 620px;
  margin: 16px 0 26px;
  position: relative; z-index: 1;
  font-weight: 600;
}
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; position: relative; z-index: 1; }
.hero-stats {
  display: flex; gap: 34px; margin-top: 34px; flex-wrap: wrap;
  position: relative; z-index: 1;
}
.hero-stat .num { font-family: 'Fredoka'; font-size: 30px; font-weight: 700; }
.hero-stat .lbl { color: var(--text-3); font-size: 13px; font-weight: 700; text-transform: uppercase; letter-spacing: .06em; }

/* ============ SECTION / ROWS ============ */
.section { padding: 26px 26px 10px; }
.section-head {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 16px; gap: 12px;
}
.section-head h2 { font-size: 24px; display: flex; align-items: center; gap: 10px; }
.section-head .see-all { color: var(--text-3); font-weight: 800; font-size: 14px; }
.section-head .see-all:hover { color: var(--brand); }

/* ============ LEVEL CARDS ============ */
.level-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 20px;
}
.level-card {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  min-height: 210px;
  padding: 24px;
  display: flex; flex-direction: column; justify-content: flex-end;
  border: 1px solid var(--line);
  cursor: pointer;
  transition: transform .25s, box-shadow .25s;
  box-shadow: var(--shadow-sm);
}
.level-card:hover { transform: translateY(-6px) scale(1.01); box-shadow: var(--shadow); }
.level-card .emoji-big { font-size: 54px; margin-bottom: auto; filter: drop-shadow(0 6px 12px rgba(0,0,0,.4)); }
.level-card h3 { font-size: 24px; margin-bottom: 4px; }
.level-card .ages { font-weight: 800; font-size: 13px; opacity: .9; }
.level-card .subj-count { margin-top: 10px; font-size: 13px; font-weight: 700; color: rgba(255,255,255,.85); }
.level-card .go {
  position: absolute; top: 20px; right: 20px;
  width: 38px; height: 38px; border-radius: 50%;
  background: rgba(255,255,255,0.15);
  display: grid; place-items: center;
  font-size: 18px;
  transition: background .2s, transform .2s;
}
.level-card:hover .go { background: rgba(255,255,255,0.3); transform: translateX(3px); }

.lv-ecd { background: linear-gradient(140deg, #FF8A00, #FF3D57); }
.lv-infant { background: linear-gradient(140deg, #00C2A8, #2E9BFF); }
.lv-junior { background: linear-gradient(140deg, #7C4DFF, #2E9BFF); }
.lv-olevel { background: linear-gradient(140deg, #00A651, #007A3D); }

/* ============ CONTENT ROW (Netflix carousel) ============ */
.row-scroll {
  display: flex;
  gap: 16px;
  overflow-x: auto;
  padding: 6px 2px 18px;
  scroll-snap-type: x proximity;
}
.row-scroll::-webkit-scrollbar { height: 8px; }

.card {
  flex: 0 0 300px;
  scroll-snap-align: start;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  cursor: pointer;
  transition: transform .22s, box-shadow .22s, border-color .22s;
  display: flex; flex-direction: column;
}
.card:hover { transform: translateY(-6px); box-shadow: var(--shadow); border-color: rgba(255,255,255,.18); }
.card-thumb {
  height: 150px;
  position: relative;
  display: grid; place-items: center;
  font-size: 58px;
  overflow: hidden;
}
.card-thumb::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(180deg, transparent 40%, rgba(0,0,0,.55));
}
.card-thumb .play-ov {
  position: absolute; z-index: 2;
  width: 54px; height: 54px; border-radius: 50%;
  background: rgba(255,255,255,0.92); color: #101010;
  display: grid; place-items: center; font-size: 22px;
  opacity: 0; transform: scale(.7);
  transition: all .22s;
}
.card:hover .card-thumb .play-ov { opacity: 1; transform: scale(1); }
.card-body { padding: 14px 16px 16px; display: flex; flex-direction: column; gap: 8px; flex: 1; }
.card-body h4 { font-size: 17px; font-weight: 700; }
.card-body .desc { color: var(--text-3); font-size: 13px; font-weight: 600; line-height: 1.4; flex: 1; }
.card-meta { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.pill {
  font-size: 11px; font-weight: 800; padding: 4px 10px; border-radius: 999px;
  background: var(--surface-3); color: var(--text-2); text-transform: uppercase; letter-spacing: .04em;
}
.pill.green { background: rgba(0,166,81,.2); color: #4ade80; }
.pill.gold { background: rgba(255,210,0,.18); color: #FFD200; }
.pill.blue { background: rgba(46,155,255,.2); color: #7cc4ff; }
.pill.purple { background: rgba(124,77,255,.22); color: #b39dff; }

.progress-bar { height: 6px; border-radius: 999px; background: var(--surface-3); overflow: hidden; }
.progress-bar > span { display: block; height: 100%; background: var(--grad-brand); border-radius: 999px; transition: width .4s; }

/* ============ SUBJECT GRID ============ */
.subject-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 16px;
}
.subject-card {
  border-radius: var(--radius);
  padding: 20px;
  border: 1px solid var(--line);
  background: var(--surface);
  cursor: pointer;
  transition: transform .2s, box-shadow .2s, background .2s;
  position: relative;
  overflow: hidden;
}
.subject-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-sm); background: var(--surface-2); }
.subject-card .ico {
  width: 52px; height: 52px; border-radius: 14px;
  display: grid; place-items: center; font-size: 26px;
  margin-bottom: 14px;
}
.subject-card h4 { font-size: 18px; margin-bottom: 4px; }
.subject-card .cnt { color: var(--text-3); font-size: 13px; font-weight: 700; }
.subject-card .mini-prog { margin-top: 12px; }

/* ============ PAGE HEADER ============ */
.page-head {
  padding: 30px 26px 8px;
  display: flex; align-items: center; gap: 18px; flex-wrap: wrap;
}
.back-btn {
  width: 44px; height: 44px; border-radius: 50%;
  background: var(--surface-2); border: 1px solid var(--line);
  display: grid; place-items: center; font-size: 20px;
  transition: background .2s, transform .2s;
}
.back-btn:hover { background: var(--surface-3); transform: translateX(-3px); }
.page-head .titles h1 { font-size: clamp(24px, 3.5vw, 38px); }
.page-head .titles p { color: var(--text-3); font-weight: 700; }

/* ============ LESSON PLAYER ============ */
.lesson-wrap {
  max-width: 960px;
  margin: 0 auto;
  padding: 20px 26px 80px;
}
.lesson-stage {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow);
}
.lesson-visual {
  height: 300px;
  display: grid; place-items: center;
  font-size: 120px;
  position: relative;
  background: linear-gradient(140deg, #232838, #2e3446);
  overflow: hidden;
}
.lesson-visual::after {
  content:""; position:absolute; inset:0;
  background-image: radial-gradient(rgba(255,255,255,.06) 1px, transparent 1px);
  background-size: 26px 26px;
}
.lesson-visual .big-emoji { position: relative; z-index: 1; animation: floaty 3.5s ease-in-out infinite; }
@keyframes floaty { 0%,100%{transform:translateY(0)} 50%{transform:translateY(-12px)} }

.lesson-content { padding: 30px 34px; }
.lesson-content .kicker { color: var(--brand); font-weight: 800; font-size: 13px; text-transform: uppercase; letter-spacing: .08em; }
.lesson-content h1 { font-size: clamp(24px, 3.5vw, 36px); margin: 8px 0 18px; }
.lesson-content .body-text { color: var(--text-2); font-size: 17px; font-weight: 600; line-height: 1.75; }
.lesson-content .body-text p { margin-bottom: 16px; }
.lesson-content .body-text strong { color: var(--text); }
.lesson-content .body-text ul { margin: 0 0 16px 0; }
.lesson-content .body-text li { margin-bottom: 8px; padding-left: 26px; position: relative; }
.lesson-content .body-text li::before { content: "★"; position: absolute; left: 0; color: var(--zim-yellow); }
.lesson-content .body-text h3 { color: var(--text); margin: 22px 0 10px; font-size: 20px; }

.key-fact {
  background: linear-gradient(135deg, rgba(0,166,81,.16), rgba(0,194,168,.1));
  border: 1px solid rgba(0,166,81,.35);
  border-radius: var(--radius-sm);
  padding: 16px 18px;
  margin: 20px 0;
  font-weight: 700;
  color: #c9f5df;
}
.key-fact .label { display:block; font-size: 12px; text-transform: uppercase; letter-spacing:.08em; color: #4ade80; margin-bottom: 4px; }

.lesson-nav { display: flex; gap: 12px; justify-content: space-between; padding: 20px 34px 30px; }
.lesson-dots { display: flex; gap: 6px; align-items: center; }
.lesson-dots i { width: 8px; height: 8px; border-radius: 50%; background: var(--surface-3); display:block; }
.lesson-dots i.on { background: var(--brand); width: 22px; border-radius: 999px; }

/* ============ QUIZ ============ */
.quiz-wrap { max-width: 760px; margin: 0 auto; padding: 20px 26px 80px; }
.quiz-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 18px; gap: 12px; }
.quiz-progress { flex: 1; }
.quiz-progress .progress-bar { height: 10px; }
.quiz-count { font-weight: 800; color: var(--text-2); font-size: 14px; white-space: nowrap; }

.quiz-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 34px;
  box-shadow: var(--shadow);
}
.quiz-q { font-size: clamp(20px, 2.6vw, 28px); font-weight: 600; margin-bottom: 8px; font-family: 'Fredoka'; }
.quiz-hint { color: var(--text-3); font-weight: 700; margin-bottom: 24px; font-size: 14px; }
.quiz-options { display: grid; gap: 12px; }
.opt {
  text-align: left;
  padding: 16px 20px;
  border-radius: var(--radius-sm);
  background: var(--surface-2);
  border: 2px solid transparent;
  font-weight: 700; font-size: 16px;
  display: flex; align-items: center; gap: 14px;
  transition: all .18s;
}
.opt:hover:not(:disabled) { background: var(--surface-3); transform: translateX(4px); }
.opt .letter {
  width: 32px; height: 32px; border-radius: 9px; flex-shrink: 0;
  display: grid; place-items: center; font-weight: 800;
  background: var(--surface-3); font-size: 14px;
}
.opt.correct { background: rgba(0,166,81,.22); border-color: var(--zim-green); }
.opt.correct .letter { background: var(--zim-green); color: #fff; }
.opt.wrong { background: rgba(239,51,64,.18); border-color: var(--zim-red); }
.opt.wrong .letter { background: var(--zim-red); color: #fff; }
.opt:disabled { cursor: default; }

.quiz-feedback {
  margin-top: 22px; padding: 16px 20px; border-radius: var(--radius-sm);
  font-weight: 700; display: none;
}
.quiz-feedback.show { display: block; animation: pop .3s; }
.quiz-feedback.ok { background: rgba(0,166,81,.16); border: 1px solid rgba(0,166,81,.4); color: #c9f5df; }
.quiz-feedback.no { background: rgba(239,51,64,.14); border: 1px solid rgba(239,51,64,.4); color: #ffd0d4; }
@keyframes pop { from{transform:scale(.96);opacity:0} to{transform:scale(1);opacity:1} }

.quiz-actions { margin-top: 24px; display: flex; justify-content: flex-end; gap: 12px; }

/* Results */
.result-wrap { max-width: 620px; margin: 40px auto; padding: 0 26px 80px; text-align: center; }
.result-card {
  background: var(--surface); border: 1px solid var(--line);
  border-radius: var(--radius-lg); padding: 44px 34px; box-shadow: var(--shadow);
}
.result-emoji { font-size: 90px; margin-bottom: 10px; animation: floaty 3s ease-in-out infinite; }
.result-card h1 { font-size: 34px; margin-bottom: 8px; }
.result-card .score-big { font-family:'Fredoka'; font-size: 64px; font-weight:700; background: var(--grad-hero); -webkit-background-clip:text; background-clip:text; color:transparent; }
.result-card .msg { color: var(--text-2); font-weight: 700; margin: 10px 0 26px; font-size: 18px; }
.result-actions { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }

/* ============ GAMES ============ */
.game-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px,1fr)); gap: 18px; }
.game-card {
  border-radius: var(--radius); padding: 22px; cursor: pointer;
  border: 1px solid var(--line);
  background: var(--surface);
  transition: transform .2s, box-shadow .2s;
}
.game-card:hover { transform: translateY(-5px); box-shadow: var(--shadow); }
.game-card .g-emoji { font-size: 44px; margin-bottom: 12px; }
.game-card h4 { font-size: 19px; margin-bottom: 6px; }
.game-card p { color: var(--text-3); font-size: 13px; font-weight: 700; }

/* Memory game */
.memory-board { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; max-width: 520px; margin: 0 auto; }
.mem-tile {
  aspect-ratio: 1; border-radius: var(--radius-sm);
  background: var(--surface-2); border: 2px solid var(--line);
  display: grid; place-items: center; font-size: 34px;
  cursor: pointer; transition: transform .2s, background .2s;
  user-select: none;
}
.mem-tile:hover { transform: scale(1.03); }
.mem-tile.flipped { background: var(--grad-purple); }
.mem-tile.matched { background: var(--grad-green); cursor: default; opacity: .85; }
.mem-tile .face { opacity: 0; transition: opacity .2s; }
.mem-tile.flipped .face, .mem-tile.matched .face { opacity: 1; }

/* Math game */
.math-play { text-align: center; max-width: 520px; margin: 0 auto; }
.math-question { font-family: 'Fredoka'; font-size: 56px; font-weight: 700; margin: 20px 0 30px; }
.math-choices { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; }
.math-choices .opt { justify-content: center; font-size: 26px; font-family:'Fredoka'; }

/* ============ PROGRESS / PROFILE ============ */
.profile-wrap { max-width: 900px; margin: 0 auto; padding: 26px 26px 80px; }
.profile-hero {
  display: flex; align-items: center; gap: 22px; flex-wrap: wrap;
  background: var(--surface); border: 1px solid var(--line);
  border-radius: var(--radius-lg); padding: 28px; box-shadow: var(--shadow-sm);
}
.profile-avatar {
  width: 92px; height: 92px; border-radius: 50%;
  display: grid; place-items: center; font-size: 46px;
  background: var(--grad-brand); flex-shrink: 0;
}
.profile-hero h1 { font-size: 30px; }
.profile-hero p { color: var(--text-3); font-weight: 700; }

.stat-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(160px,1fr)); gap: 16px; margin: 22px 0; }
.stat-box {
  background: var(--surface); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 20px;
}
.stat-box .v { font-family:'Fredoka'; font-size: 34px; font-weight: 700; }
.stat-box .k { color: var(--text-3); font-weight: 800; font-size: 13px; text-transform: uppercase; letter-spacing:.05em; }

.badge-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px,1fr)); gap: 14px; }
.badge {
  text-align: center; padding: 18px 12px; border-radius: var(--radius);
  background: var(--surface); border: 1px solid var(--line);
  opacity: .45; filter: grayscale(1); transition: all .3s;
}
.badge.earned { opacity: 1; filter: none; border-color: rgba(255,210,0,.4); box-shadow: 0 0 0 1px rgba(255,210,0,.2), 0 10px 24px rgba(255,210,0,.12); }
.badge .b-emoji { font-size: 40px; margin-bottom: 8px; }
.badge .b-name { font-weight: 800; font-size: 14px; }
.badge .b-desc { color: var(--text-3); font-size: 11px; font-weight: 700; margin-top: 3px; }

/* ============ MODAL ============ */
.modal-overlay {
  position: fixed; inset: 0; z-index: 200;
  background: rgba(5,6,10,0.82);
  backdrop-filter: blur(6px);
  display: grid; place-items: center;
  padding: 20px;
  animation: fade .2s;
}
@keyframes fade { from{opacity:0} to{opacity:1} }
.modal {
  background: var(--surface); border: 1px solid var(--line);
  border-radius: var(--radius-lg); max-width: 560px; width: 100%;
  padding: 32px; box-shadow: var(--shadow); animation: pop .3s;
  max-height: 88vh; overflow-y: auto;
}
.modal h2 { font-size: 26px; margin-bottom: 10px; }
.modal .modal-close { position: absolute; }

/* ============ FOOTER ============ */
.footer {
  margin-top: 40px; padding: 40px 26px;
  border-top: 1px solid var(--line);
  text-align: center; color: var(--text-3); font-weight: 700;
}
.footer .made-by { color: var(--text-2); margin-top: 8px; }
.footer .made-by b { color: var(--brand); }
.footer .flags { font-size: 20px; margin-bottom: 10px; letter-spacing: 6px; }

/* ============ CERTIFICATE ============ */
.cert {
  background: #fffdf5;
  border-radius: var(--radius-lg);
  padding: 16px;
  box-shadow: var(--shadow);
  background-image:
    radial-gradient(circle at 0% 0%, rgba(255,210,0,.14), transparent 40%),
    radial-gradient(circle at 100% 100%, rgba(0,166,81,.12), transparent 40%);
}
.cert-inner {
  border: 3px solid #0f7a3d;
  border-radius: 20px;
  padding: 40px 34px;
  text-align: center;
  position: relative;
  background:
    repeating-linear-gradient(45deg, rgba(0,166,81,.03) 0 12px, transparent 12px 24px);
  color: #14261c;
}
.cert-inner::before {
  content: ""; position: absolute; inset: 10px;
  border: 1px solid rgba(15,122,61,.35); border-radius: 14px; pointer-events: none;
}
.cert-seal {
  width: 74px; height: 74px; margin: 0 auto 10px;
  border-radius: 50%;
  background: var(--grad-brand);
  display: grid; place-items: center; font-size: 38px;
  box-shadow: 0 8px 20px rgba(255,61,87,.35);
}
.cert-brand { font-family:'Fredoka'; font-size: 30px; font-weight: 700; color: #14261c; }
.cert-brand span { color: var(--brand); }
.cert-sub { font-weight: 800; letter-spacing: .18em; text-transform: uppercase; font-size: 11px; color: #0f7a3d; margin-top: 2px; }
.cert-title { font-family:'Fredoka'; font-size: clamp(26px, 4vw, 40px); font-weight: 700; margin: 22px 0 6px; color: #0b3d22; }
.cert-text { color: #4a5a50; font-weight: 700; font-size: 15px; }
.cert-name {
  font-family:'Fredoka'; font-size: clamp(28px, 5vw, 46px); font-weight: 700;
  margin: 12px 0; color: #14261c;
  border-bottom: 3px solid #FFD200; display: inline-block; padding: 0 22px 6px;
}
.cert-course { font-family:'Fredoka'; font-size: clamp(18px, 2.6vw, 26px); font-weight: 600; color: var(--brand); margin: 8px 0 24px; }
.cert-completed {
  text-align: left;
  max-width: 620px;
  margin: 0 auto 8px;
  background: rgba(15,122,61,.06);
  border: 1px solid rgba(15,122,61,.25);
  border-radius: 14px;
  padding: 16px 22px;
}
.cert-completed-h {
  font-family:'Fredoka'; font-weight: 700; font-size: 15px;
  color: #0b3d22; margin-bottom: 12px; text-align: center;
  letter-spacing: .02em;
}
.cert-completed-list {
  list-style: none; padding: 0; margin: 0;
  display: grid; grid-template-columns: 1fr 1fr; gap: 7px 22px;
}
.cert-completed-list li {
  font-size: 13.5px; font-weight: 700; color: #2c3d33;
  display: flex; align-items: center; gap: 8px;
}
.cert-completed-list li::before {
  content: "\2714"; color: #0f7a3d; font-weight: 900; font-size: 12px; flex: none;
}
.cc-emoji { font-size: 15px; }
.cert-completed-note {
  text-align: center; margin-top: 13px; font-size: 11px;
  font-weight: 800; letter-spacing: .05em; text-transform: uppercase;
  color: #6b7a70;
}
@media (max-width: 560px) { .cert-completed-list { grid-template-columns: 1fr; } }
.cert-meta {
  display: flex; justify-content: center; gap: 40px; flex-wrap: wrap;
  margin: 22px 0; padding-top: 20px; border-top: 1px dashed rgba(15,122,61,.4);
}
.cert-meta div { display: flex; flex-direction: column; gap: 2px; }
.cert-meta span { font-size: 11px; text-transform: uppercase; letter-spacing: .1em; color: #6b7a70; font-weight: 800; }
.cert-meta strong { font-size: 15px; color: #14261c; }
.cert-foot { display: flex; align-items: flex-end; justify-content: space-between; margin-top: 20px; }
.cert-sign { text-align: center; font-weight: 800; color: #14261c; }
.cert-sign .sig-line { width: 160px; height: 2px; background: #14261c; margin-bottom: 6px; }
.cert-flag { font-size: 34px; }

@media print {
  .cert { box-shadow: none; }
  .cert-inner { border-color: #0f7a3d; }
}

/* ============ SIGNATURE ============ */
.cert-sig-script {
  font-family: 'Great Vibes', cursive;
  font-size: 42px;
  line-height: 1;
  color: #0b3d22;
  margin-bottom: 2px;
}
.cert-verify-line {
  margin: 16px 0 4px;
  font-size: 12px;
  color: #6b7a70;
  font-weight: 700;
  letter-spacing: .02em;
}
.cert-verify-line strong { color: #0f7a3d; }

/* ============ LEADERBOARD ============ */
.lb-hero { margin-bottom: 18px; }
.lb-me {
  display: flex; align-items: center; gap: 16px;
  background: linear-gradient(120deg, rgba(255,61,87,.18), rgba(255,179,0,.12));
  border: 1px solid var(--line); border-radius: var(--radius); padding: 16px 20px;
}
.lb-me-avatar { width: 54px; height: 54px; border-radius: 16px; background: var(--grad-brand); display: grid; place-items: center; font-size: 28px; }
.lb-me-rank { font-family: 'Fredoka'; font-size: 24px; font-weight: 700; }
.lb-me-stars { margin-left: auto; text-align: right; }
.lb-me-stars .num { font-family: 'Fredoka'; font-size: 26px; font-weight: 700; color: var(--brand-2); }
.lb-me-stars .lbl { font-size: 12px; color: var(--text-3); font-weight: 800; text-transform: uppercase; letter-spacing: .08em; }
.lb-list { display: flex; flex-direction: column; gap: 8px; }
.lb-row {
  display: flex; align-items: center; gap: 14px;
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-sm);
  padding: 12px 16px;
}
.lb-row.me { border-color: var(--brand); box-shadow: var(--shadow-glow); }
.lb-pos { width: 40px; text-align: center; font-family: 'Fredoka'; font-weight: 700; font-size: 18px; color: var(--text-2); }
.lb-avatar { width: 42px; height: 42px; border-radius: 12px; background: var(--surface-2); display: grid; place-items: center; font-size: 22px; }
.lb-name { flex: 1; font-weight: 800; }
.lb-sub { font-size: 12px; color: var(--text-3); font-weight: 700; }
.lb-stars { font-family: 'Fredoka'; font-weight: 700; color: var(--brand-2); font-size: 17px; }
.lb-you { font-size: 10px; background: var(--brand); color: #fff; padding: 2px 8px; border-radius: 999px; margin-left: 6px; vertical-align: middle; letter-spacing: .06em; }

/* ============ REPORT CARD ============ */
.report {
  background: #fffdf5; color: #14261c; border-radius: var(--radius-lg); padding: 34px 30px;
  box-shadow: var(--shadow);
  background-image: radial-gradient(circle at 100% 0%, rgba(0,166,81,.10), transparent 40%);
}
.report-head { text-align: center; border-bottom: 2px solid #0f7a3d; padding-bottom: 14px; }
.report-brand { font-family: 'Fredoka'; font-weight: 700; font-size: 22px; display: flex; align-items: center; gap: 8px; justify-content: center; color: #0b3d22; }
.report-bird { width: 34px; height: 34px; border-radius: 10px; background: var(--grad-brand); display: grid; place-items: center; font-size: 18px; }
.report-title { font-family: 'Fredoka'; font-size: 26px; font-weight: 700; margin-top: 8px; color: #0b3d22; }
.report-sub { font-size: 11px; letter-spacing: .16em; text-transform: uppercase; color: #0f7a3d; font-weight: 800; }
.report-student { display: flex; align-items: center; gap: 14px; margin: 20px 0; }
.report-avatar { width: 56px; height: 56px; border-radius: 16px; background: #0f7a3d1a; display: grid; place-items: center; font-size: 30px; }
.report-name { font-family: 'Fredoka'; font-size: 24px; font-weight: 700; }
.report-stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(120px, 1fr)); gap: 12px; margin: 18px 0; }
.report-stats > div { background: #0f7a3d12; border: 1px solid #0f7a3d26; border-radius: 14px; padding: 12px 14px; }
.report-stats span { display: block; font-size: 11px; text-transform: uppercase; letter-spacing: .08em; color: #4a5a50; font-weight: 800; }
.report-stats strong { font-family: 'Fredoka'; font-size: 22px; color: #0b3d22; }
.report-h { font-family: 'Fredoka'; font-size: 18px; margin: 22px 0 10px; color: #0b3d22; border-left: 4px solid #FFD200; padding-left: 10px; }
.report-level { margin-bottom: 12px; }
.report-table { width: 100%; border-collapse: collapse; font-size: 14px; }
.report-table th { text-align: left; font-size: 11px; text-transform: uppercase; letter-spacing: .06em; color: #4a5a50; border-bottom: 2px solid #0f7a3d33; padding: 8px 6px; }
.report-table td { padding: 8px 6px; border-bottom: 1px solid #0f7a3d1a; }
.report-certs { list-style: none; padding: 0; }
.report-certs li { padding: 6px 0; border-bottom: 1px dashed #0f7a3d33; }
.report-comment { width: 100%; min-height: 90px; border: 1px solid #0f7a3d40; border-radius: 12px; padding: 12px; font-family: inherit; font-size: 15px; background: #fff; color: #14261c; resize: vertical; }
.report-sign { display: flex; align-items: flex-end; justify-content: space-between; margin-top: 24px; }

/* ============ VERIFY ============ */
.verify-box { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 20px; }
.verify-input { flex: 1; min-width: 200px; padding: 14px 16px; border-radius: 12px; border: 1px solid var(--line); background: var(--surface-2); color: var(--text); font-weight: 700; font-size: 16px; letter-spacing: .04em; }
.verify-result { margin-top: 16px; }
.verify-good { border: 2px solid #22c55e; background: #22c55e14; border-radius: var(--radius-sm); padding: 16px; }
.vg-head { font-family: 'Fredoka'; font-size: 20px; font-weight: 700; color: #4ade80; margin-bottom: 10px; }
.vg-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 12px; }
.vg-grid span { display: block; font-size: 11px; text-transform: uppercase; letter-spacing: .08em; color: var(--text-3); font-weight: 800; }
.vg-grid strong { font-size: 15px; }
.verify-bad { border: 2px solid #ef4444; background: #ef444414; border-radius: var(--radius-sm); padding: 16px; font-weight: 700; }

/* ============ UTIL ============ */
.hidden { display: none !important; }
.center { text-align: center; }
.mt-2 { margin-top: 20px; }
.mb-2 { margin-bottom: 20px; }
.flex { display: flex; }
.gap { gap: 12px; }
.wrap { flex-wrap: wrap; }
.muted { color: var(--text-3); }

.chip-row { display: flex; gap: 8px; flex-wrap: wrap; margin: 16px 0; }
.chip {
  padding: 8px 16px; border-radius: 999px; font-weight: 800; font-size: 13px;
  background: var(--surface-2); border: 1px solid var(--line); color: var(--text-2);
  cursor: pointer; transition: all .18s;
}
.chip:hover { background: var(--surface-3); }
.chip.active { background: var(--grad-brand); color: #fff; border-color: transparent; }

/* Toast */
.toast {
  position: fixed; bottom: 26px; left: 50%; transform: translateX(-50%);
  background: var(--surface-2); border: 1px solid var(--line);
  padding: 14px 24px; border-radius: 999px; font-weight: 800;
  box-shadow: var(--shadow); z-index: 300; animation: pop .3s;
  display: flex; align-items: center; gap: 10px;
}

/* ============ RESPONSIVE ============ */
@media (max-width: 720px) {
  .topbar { padding: 12px 16px; gap: 10px; }
  .logo { font-size: 20px; }
  .logo .bird { width: 34px; height: 34px; font-size: 18px; }
  .topbar-nav { display: none; }
  .section, .hero { padding-left: 16px; padding-right: 16px; }
  .hero-banner { padding: 30px 22px; }
  .card { flex-basis: 240px; }
  .lesson-content, .quiz-card { padding: 24px 20px; }
  .memory-board { grid-template-columns: repeat(4,1fr); gap: 8px; }
  .mem-tile { font-size: 24px; }
  .hero-stats { gap: 22px; }
}

/* Print-friendly */
@media print {
  body { background: #fff; color: #000; }
  .topbar, .footer, .btn { display: none; }
  .report, .cert { box-shadow: none; }
  .report-comment { border: 1px solid #999; }
}

/* ============ BRAND LOGO IMAGES ============ */
.logo-img { width: 42px; height: 42px; object-fit: contain; display: block; filter: drop-shadow(0 4px 10px rgba(255,61,87,.28)); }
.footer-logo { height: 54px; width: auto; margin: 0 auto 14px; display: block; opacity: .97; }
.footer-links { margin-top: 12px; display: flex; gap: 10px; justify-content: center; flex-wrap: wrap; font-size: 13px; }
.footer-links a { color: var(--brand-2); cursor: pointer; font-weight: 800; }
.footer-links a:hover { text-decoration: underline; }
.footer-links span { color: var(--text-3); }
.footer-legal { margin: 14px auto 0; font-size: 11.5px; color: var(--text-3); max-width: 720px; line-height: 1.6; }

/* ============ CERTIFICATE SEAL + TRUST + VERIFY ============ */
.cert-seal-img { width: 118px; height: 118px; margin: 0 auto 6px; display: block; object-fit: contain; filter: drop-shadow(0 6px 16px rgba(15,122,61,.28)); }
.cert-trust {
  max-width: 640px; margin: 22px auto 0; text-align: left;
  background: linear-gradient(120deg, rgba(15,122,61,.07), rgba(255,210,0,.10));
  border: 1px solid rgba(15,122,61,.28); border-radius: 14px; padding: 16px 22px;
}
.cert-trust-h { font-family: 'Fredoka'; font-weight: 700; font-size: 15px; color: #0b3d22; margin-bottom: 8px; }
.cert-trust-p { font-size: 13px; line-height: 1.55; color: #3a4a41; font-weight: 600; margin: 0 0 12px; }
.cert-trust-badges { display: flex; flex-wrap: wrap; gap: 8px; }
.cert-trust-badges span { font-size: 11.5px; font-weight: 800; color: #0b3d22; background: rgba(255,255,255,.72); border: 1px solid rgba(15,122,61,.3); border-radius: 999px; padding: 4px 12px; }
.cert-verify {
  max-width: 640px; margin: 16px auto 0; display: flex; align-items: center; gap: 18px;
  background: #fff; border: 1px dashed rgba(15,122,61,.45); border-radius: 14px; padding: 14px 20px; text-align: left;
}
.cert-verify-qr { flex: none; width: 108px; height: 108px; background: #fff; border-radius: 8px; padding: 4px; }
.cert-verify-qr svg { width: 100%; height: 100%; display: block; }
.cert-verify-info { flex: 1; min-width: 0; }
.cert-verify-title { font-family: 'Fredoka'; font-weight: 700; font-size: 15px; color: #0b3d22; margin-bottom: 6px; }
.cert-verify-row { font-size: 12.5px; color: #3a4a41; font-weight: 700; margin-bottom: 4px; word-break: break-word; }
.cert-verify-row strong { color: #0f7a3d; }
.cert-code { font-family: 'Fredoka'; letter-spacing: .12em; color: #0b3d22 !important; background: rgba(255,210,0,.38); padding: 1px 8px; border-radius: 6px; }
.cert-verify-note { font-size: 11px; color: #6b7a70; font-weight: 700; margin-top: 6px; }

.report-bird-img { width: 36px; height: 36px; object-fit: contain; display: block; }

/* ============ VERIFY PORTAL EXTRAS ============ */
.verify-fields { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; }
.verify-fields .verify-input { flex: 1 1 240px; }
.verify-code-input { flex: 0 1 220px; letter-spacing: .14em; }
.verify-trust { margin-top: 22px; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 22px 24px; }
.verify-trust-h { font-family: 'Fredoka'; font-size: 20px; font-weight: 700; margin-bottom: 8px; }
.verify-trust p { color: var(--text-2); font-weight: 600; line-height: 1.6; }
.verify-ways { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 12px; margin-top: 14px; }
.verify-way { background: var(--surface-2); border: 1px solid var(--line); border-radius: 14px; padding: 14px 16px; display: flex; flex-direction: column; gap: 5px; }
.verify-way span { width: 26px; height: 26px; border-radius: 8px; background: var(--grad-brand); display: grid; place-items: center; font-weight: 800; font-size: 13px; }
.verify-way b { font-family: 'Fredoka'; font-size: 15px; }
.verify-way i { font-style: normal; font-size: 12.5px; color: var(--text-3); font-weight: 600; line-height: 1.5; }
.vg-checks { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 12px; }
.vg-checks span { font-size: 11.5px; font-weight: 800; border-radius: 999px; padding: 4px 12px; }
.vg-ok { background: #22c55e22; color: #4ade80; border: 1px solid #22c55e55; }
.vg-warn { background: #f59e0b22; color: #fbbf24; border: 1px solid #f59e0b55; }
.about-cta { margin-top: 18px; }

@media (max-width: 720px) { .logo-img { width: 34px; height: 34px; } }
@media (max-width: 560px) {
  .cert-verify { flex-direction: column; text-align: center; }
  .cert-verify-qr { margin: 0 auto; }
  .cert-seal-img { width: 96px; height: 96px; }
  .footer-logo { height: 44px; }
}

/* keep colours when printing certificates & reports */
@media print {
  .cert, .cert-inner, .cert-trust, .cert-verify, .cert-verify-qr, .cert-seal-img,
  .report, .report-stats > div { -webkit-print-color-adjust: exact; print-color-adjust: exact; }
  .cert-verify { border-style: solid; }
}