/* MathStar Weekly Quiz v2 — Styles */
@import url('https://fonts.googleapis.com/css2?family=Nunito:wght@400;600;700;800;900&family=Fredoka+One&display=swap');

:root {
  --bg:      #0b0e2e;
  --bg2:     #131740;
  --card:    #1a1f50;
  --yellow:  #ffd60a;
  --orange:  #ff6b2b;
  --pink:    #ff4daf;
  --cyan:    #00e5ff;
  --green:   #39ff14;
  --purple:  #9b5de5;
  --red:     #ff3860;
  --text:    #f0f4ff;
  --muted:   #7c82b5;
  --r:       16px;
  --rs:      10px;
  --sh:      0 8px 32px rgba(0,0,0,.4);
}

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

#mathstar-app {
  font-family:'Nunito',sans-serif;
  background:var(--bg);
  color:var(--text);
  min-height:100vh;
  overflow-x:hidden;
}

/* Stars */
#mathstar-app::before {
  content:'';
  position:fixed;inset:0;pointer-events:none;z-index:0;
  background-image:
    radial-gradient(1px 1px at 8%  12%, rgba(255,255,255,.7) 0%,transparent 100%),
    radial-gradient(1px 1px at 22% 48%, rgba(255,255,255,.4) 0%,transparent 100%),
    radial-gradient(1.5px 1.5px at 38% 8%, rgba(255,255,255,.9) 0%,transparent 100%),
    radial-gradient(1px 1px at 54% 63%, rgba(255,255,255,.5) 0%,transparent 100%),
    radial-gradient(1px 1px at 68% 28%, rgba(255,255,255,.7) 0%,transparent 100%),
    radial-gradient(1.5px 1.5px at 84% 77%, rgba(255,255,255,.6) 0%,transparent 100%),
    radial-gradient(1px 1px at 91% 18%, rgba(255,255,255,.4) 0%,transparent 100%),
    radial-gradient(1px 1px at 14% 72%, rgba(255,255,255,.5) 0%,transparent 100%),
    radial-gradient(1px 1px at 59% 88%, rgba(255,255,255,.3) 0%,transparent 100%),
    radial-gradient(1px 1px at 32% 52%, rgba(255,255,255,.6) 0%,transparent 100%),
    radial-gradient(1px 1px at 76% 52%, rgba(255,255,255,.4) 0%,transparent 100%),
    radial-gradient(1px 1px at 4%  38%, rgba(255,255,255,.5) 0%,transparent 100%),
    radial-gradient(1px 1px at 46% 33%, rgba(255,255,255,.3) 0%,transparent 100%),
    radial-gradient(1px 1px at 97% 60%, rgba(255,255,255,.6) 0%,transparent 100%);
}

.ms-loading {
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  min-height:60vh;gap:16px;font-family:'Fredoka One',cursive;font-size:1.4rem;color:var(--muted);
}
.ms-spin { font-size:3rem; animation:spin 2s linear infinite; }

.ms-wrap { position:relative;z-index:1;max-width:840px;margin:0 auto;padding:24px 16px 64px; }
.ms-wrap .ms-card { overflow:visible; }

/* ── Header ── */
.ms-header { text-align:center;margin-bottom:28px;padding-top:8px; }
.ms-logo-img {
  max-width:280px;
  width:70%;
  height:auto;
  display:block;
  margin:0 auto;
  filter:drop-shadow(0 0 18px rgba(255,107,43,.35));
}
.ms-logo-sub { font-size:.9rem;color:var(--cyan);letter-spacing:.15em;text-transform:uppercase;font-weight:800;margin-top:10px; }

/* ── Cards ── */
.ms-card {
  background:var(--card);border-radius:var(--r);padding:26px;
  box-shadow:var(--sh);border:1px solid rgba(255,255,255,.06);
  position:relative;overflow:hidden;
}
.ms-card::before {
  content:'';position:absolute;top:0;left:0;right:0;height:3px;
  background:linear-gradient(90deg,var(--yellow),var(--orange),var(--pink));
}
.ms-card+.ms-card { margin-top:18px; }
.ms-card-title {
  font-family:'Fredoka One',cursive;font-size:1.4rem;color:var(--yellow);
  margin-bottom:8px;display:flex;align-items:center;gap:10px;
}

/* ── Topic Chooser ── */
.ms-topics-grid { display:grid;grid-template-columns:1fr 1fr;gap:14px;margin:18px 0; }
@media(max-width:520px){.ms-topics-grid{grid-template-columns:1fr;}}
.ms-topic-btn {
  background:var(--bg2);border:2.5px solid rgba(255,255,255,.1);
  border-radius:var(--rs);padding:18px 14px;cursor:pointer;
  text-align:center;transition:border-color .2s,transform .15s,box-shadow .2s;
  font-family:'Nunito',sans-serif;color:var(--text);
}
.ms-topic-btn:hover { border-color:var(--cyan);transform:translateY(-2px);box-shadow:0 6px 20px rgba(0,229,255,.15); }
.ms-topic-btn.selected { border-color:var(--cyan);background:rgba(0,229,255,.07);box-shadow:0 0 0 3px rgba(0,229,255,.2); }
.ms-topic-icon { font-size:2rem;display:block;margin-bottom:8px; }
.ms-topic-quiz-label {
  display:block;font-family:'Fredoka One',cursive;font-size:.78rem;
  letter-spacing:.12em;text-transform:uppercase;
  color:var(--orange);margin-bottom:6px;opacity:.9;
}
.ms-topic-name { font-family:'Fredoka One',cursive;font-size:1.1rem;color:var(--cyan);display:block;margin-bottom:4px; }
.ms-topic-detail { font-size:.8rem;color:var(--muted);font-weight:700; }
.ms-topic-senior-badge {
  display:inline-block;margin-left:7px;
  font-family:'Nunito',sans-serif;font-size:.68rem;font-weight:900;
  background:rgba(255,107,43,.18);color:var(--orange);
  border:1px solid rgba(255,107,43,.4);
  border-radius:8px;padding:1px 7px;vertical-align:middle;letter-spacing:.03em;
}

/* ── Info pills ── */
.ms-pills { display:flex;gap:10px;flex-wrap:wrap;margin:16px 0; }
.ms-pill { background:var(--bg2);border-radius:20px;padding:6px 14px;font-size:.82rem;font-weight:800;color:var(--muted);border:1px solid rgba(255,255,255,.07); }
.ms-pill span { color:var(--cyan); }

/* ── Form ── */
.ms-form { display:flex;flex-direction:column;gap:14px;margin-top:20px; }
.ms-form-row { display:grid;grid-template-columns:1fr 1fr;gap:12px;align-items:start; }
@media(max-width:480px){.ms-form-row{grid-template-columns:1fr;}}
.ms-label { font-size:.8rem;font-weight:800;color:var(--muted);text-transform:uppercase;letter-spacing:.1em;margin-bottom:5px;display:block; }
#inp-name {
  display:block !important;
  width:100% !important;
  height:54px !important;
  min-height:54px !important;
  max-height:54px !important;
  padding:0 14px !important;
  margin:0 !important;
  background:var(--bg2) !important;
  border:2px solid rgba(255,255,255,.3) !important;
  border-radius:var(--rs) !important;
  color:var(--text) !important;
  font-family:'Nunito',sans-serif !important;
  font-size:.95rem !important;
  font-weight:700 !important;
  outline:none !important;
  box-sizing:border-box !important;
  -webkit-appearance:none !important;
  appearance:none !important;
  line-height:54px !important;
}
#inp-name:focus { border-color:var(--cyan) !important;box-shadow:0 0 0 3px rgba(0,229,255,.15) !important; }
.ms-input.err { border-color:var(--red) !important;animation:shake .3s; }

/* ── Custom Year Picker ── */
.ms-year-picker {
  position:relative;width:100%;user-select:none;
}
.ms-year-display {
  width:100% !important;
  height:54px !important;
  min-height:54px !important;
  max-height:54px !important;
  background:#ffffff !important;
  border:2px solid rgba(255,255,255,.3) !important;
  border-radius:var(--rs) !important;
  padding:0 14px !important;
  color:#111111 !important;
  font-family:'Nunito',sans-serif !important;
  font-size:.95rem !important;
  font-weight:700 !important;
  cursor:pointer;
  display:flex !important;
  align-items:center !important;
  justify-content:space-between !important;
  box-sizing:border-box !important;
}
.ms-year-display:hover { border-color:rgba(255,255,255,.5); }
.ms-year-display.selected { color:#111111; }
.ms-year-picker.open .ms-year-display { border-color:var(--cyan);box-shadow:0 0 0 3px rgba(0,229,255,.15);border-radius:var(--rs) var(--rs) 0 0; }
.ms-year-arrow { font-size:.8rem;color:#666;transition:transform .2s; }
.ms-year-picker.open .ms-year-arrow { transform:rotate(180deg); }
.ms-year-options {
  position:absolute;top:100%;left:0;right:0;z-index:9999;
  background:#ffffff;border:2px solid var(--cyan);border-top:none;
  border-radius:0 0 var(--rs) var(--rs);
  box-shadow:0 8px 24px rgba(0,0,0,.4);
  overflow:visible;
}
.ms-year-opt {
  padding:11px 14px;color:#111111;font-family:'Nunito',sans-serif;
  font-size:.95rem;font-weight:700;cursor:pointer;
  transition:background .15s;
}
.ms-year-opt:hover { background:#f0f4ff; }
.ms-year-opt.active { background:#e8f0ff;color:#0b0e2e; }
/* placeholder text before selection */
#ms-year-label { color:#888; }
.ms-year-display.selected #ms-year-label { color:#111111; }
.ms-hint { font-size:.78rem;color:var(--muted);margin-top:-8px; }



/* ── Buttons ── */
.ms-btn {
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-family:'Fredoka One',cursive;font-size:1.2rem;letter-spacing:.03em;
  padding:13px 26px;border-radius:50px;border:none;cursor:pointer;
  transition:transform .15s,box-shadow .15s,filter .15s;
}
.ms-btn:hover { transform:translateY(-2px); }
.ms-btn:active { transform:translateY(0); }
.ms-btn:disabled { opacity:.45;cursor:not-allowed;transform:none; }
.ms-btn-primary { background:linear-gradient(135deg,var(--yellow),var(--orange));color:#1a0800;box-shadow:0 4px 20px rgba(255,107,43,.35); }
.ms-btn-primary:hover:not(:disabled) { box-shadow:0 6px 28px rgba(255,107,43,.55);filter:brightness(1.05); }
.ms-btn-secondary { background:transparent;border:2px solid var(--purple);color:var(--purple); }
.ms-btn-secondary:hover:not(:disabled) { background:rgba(155,93,229,.1); }
.ms-btn-ghost { background:rgba(255,255,255,.05);color:var(--muted);border:1px solid rgba(255,255,255,.1); }
.ms-btn-full { width:100%; }
.ms-btn-sm { font-size:.95rem;padding:9px 18px; }

/* ── Error message ── */
.ms-error {
  background:rgba(255,56,96,.12);border:1px solid rgba(255,56,96,.3);
  border-radius:var(--rs);padding:10px 14px;color:var(--red);
  font-weight:700;font-size:.88rem;display:none;
}
.ms-error.show { display:block; }

/* ── Leaderboards ── */
.ms-lb-tabs { display:flex;gap:0;margin-bottom:0;border-radius:var(--rs) var(--rs) 0 0;overflow:hidden; }
.ms-lb-tab {
  flex:1;padding:11px 12px;text-align:center;cursor:pointer;
  font-family:'Fredoka One',cursive;font-size:1rem;
  background:var(--bg2);color:var(--muted);border-bottom:2px solid transparent;
  transition:color .2s,border-color .2s,background .2s;
}
.ms-lb-tab.active { background:var(--card);color:var(--yellow);border-bottom-color:var(--yellow); }
.ms-lb-panel { display:none; }
.ms-lb-panel.active { display:block; }
.ms-lb-header { display:flex;align-items:center;justify-content:space-between;margin-bottom:14px;flex-wrap:wrap;gap:8px; }
.ms-lb-week { font-size:.78rem;color:var(--muted);background:var(--bg2);border-radius:20px;padding:4px 12px;font-weight:800; }
.ms-lb-table { width:100%;border-collapse:collapse; }
.ms-lb-table th { font-size:.72rem;text-transform:uppercase;letter-spacing:.1em;color:var(--muted);padding:7px 8px;text-align:left;border-bottom:1px solid rgba(255,255,255,.06); }
.ms-lb-table td { padding:9px 8px;font-weight:700;font-size:.9rem;border-bottom:1px solid rgba(255,255,255,.04); }
/* no hover background on leaderboard rows */
.ms-lb-rank { font-family:'Fredoka One',cursive;font-size:1.1rem;width:36px; }
.ms-lb-name { color:var(--muted);font-weight:800;font-size:.9rem; }
.ms-lb-score { color:var(--orange);font-family:'Fredoka One',cursive;font-size:1rem; }
.ms-lb-total { color:var(--orange);font-family:'Fredoka One',cursive;font-size:1rem; }
.ms-lb-correct { color:var(--green); }
.ms-lb-tag { font-size:.75rem;background:rgba(155,93,229,.2);color:var(--purple);border-radius:12px;padding:2px 8px;display:inline-block; }
.ms-lb-attempts { font-size:.78rem;color:var(--muted); }
.ms-lb-empty { text-align:center;padding:30px;color:var(--muted);font-style:italic; }

.ms-std-badge { display:none; } /* Scores shown without "standardised" label to students */
.ms-lb-note { font-size:.75rem;color:var(--muted);margin-top:10px;line-height:1.5;padding:8px 10px;background:rgba(255,255,255,.03);border-radius:var(--rs); }

/* ── Quiz screen ── */
.ms-quiz-top { display:flex;align-items:center;gap:14px;margin-bottom:20px;flex-wrap:wrap; }
.ms-progress-wrap { flex:1;background:rgba(255,255,255,.08);border-radius:50px;height:9px;overflow:hidden;min-width:80px; }
.ms-progress-bar { height:100%;background:linear-gradient(90deg,var(--cyan),var(--purple));border-radius:50px;transition:width .3s ease;width:0%; }
.ms-counter { font-family:'Fredoka One',cursive;font-size:.95rem;color:var(--muted);white-space:nowrap; }
.ms-timer { font-family:'Fredoka One',cursive;font-size:1.7rem;background:var(--bg2);border-radius:var(--rs);padding:7px 14px;min-width:84px;text-align:center;transition:color .3s;white-space:nowrap; }
.ms-timer.ok { color:var(--cyan); }
.ms-timer.warning { color:var(--orange);animation:pulse .6s infinite; }
.ms-timer.danger  { color:var(--pink);  animation:pulse .3s infinite; }
.ms-topic-badge { font-size:.75rem;background:rgba(0,229,255,.1);color:var(--cyan);border-radius:20px;padding:4px 12px;font-weight:800; }

.ms-question-card { text-align:center;padding:38px 26px; }
.ms-question-num { font-size:.75rem;color:var(--muted);text-transform:uppercase;letter-spacing:.15em;font-weight:800;margin-bottom:10px; }
.ms-question-text { font-family:'Fredoka One',cursive;font-size:clamp(2rem,8vw,3.2rem);color:var(--text);margin-bottom:26px;line-height:1.2;filter:drop-shadow(0 0 15px rgba(0,229,255,.2)); }
.ms-answer-wrap { display:flex;gap:10px;max-width:360px;margin:0 auto; }
.ms-answer-input {
  flex:1;background:var(--bg2);border:3px solid rgba(255,255,255,.1);
  border-radius:var(--rs);padding:13px 14px;font-family:'Fredoka One',cursive;
  font-size:1.5rem;color:var(--text);text-align:center;outline:none;
  transition:border-color .2s,box-shadow .2s;
}
.ms-answer-input:focus { border-color:var(--cyan);box-shadow:0 0 0 4px rgba(0,229,255,.15); }
.ms-answer-input.correct { border-color:var(--green);animation:flash-green .4s; }
.ms-answer-input.wrong   { border-color:var(--red);  animation:shake .3s; }

.ms-dots { display:flex;gap:5px;justify-content:center;margin-top:18px;flex-wrap:wrap; }
.ms-dot { width:9px;height:9px;border-radius:50%;background:rgba(255,255,255,.1);transition:background .2s;flex-shrink:0; }
.ms-dot.active   { background:var(--cyan);box-shadow:0 0 7px var(--cyan); }
.ms-dot.answered { background:var(--green); }

/* ── Results ── */
.ms-results-hero { text-align:center;padding:28px 16px 20px; }
.ms-r-emoji { font-size:3.6rem;display:block;margin-bottom:6px;animation:bounce .6s; }
.ms-r-title { font-family:'Fredoka One',cursive;font-size:clamp(1.7rem,5vw,2.6rem);background:linear-gradient(135deg,var(--yellow),var(--orange));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text; }
.ms-r-name { color:var(--muted);font-size:.95rem;font-weight:700;margin-top:4px; }
.ms-score-big { font-family:'Fredoka One',cursive;font-size:4.5rem;color:var(--yellow);line-height:1;text-align:center;filter:drop-shadow(0 0 20px rgba(255,214,10,.4));margin:18px 0 4px; }
.ms-score-label { text-align:center;color:var(--muted);font-size:.78rem;font-weight:800;text-transform:uppercase;letter-spacing:.15em;margin-bottom:20px; }
.ms-score-sub { text-align:center;color:var(--cyan);font-size:.9rem;font-weight:800;margin-bottom:20px;font-family:'Fredoka One',cursive; }
.ms-stats-grid { display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-bottom:22px; }
@media(max-width:400px){.ms-stats-grid{grid-template-columns:1fr 1fr;}}
.ms-stat-box { background:var(--bg2);border-radius:var(--rs);padding:13px 8px;text-align:center; }
.ms-stat-val { font-family:'Fredoka One',cursive;font-size:1.6rem;display:block; }
.ms-stat-lbl { font-size:.68rem;text-transform:uppercase;letter-spacing:.1em;color:var(--muted);margin-top:2px; }
.ms-results-actions { display:flex;gap:10px;flex-wrap:wrap;justify-content:center; }

/* ── Confetti ── */
.ms-confetti-piece { position:fixed;top:-20px;animation:confetti-fall linear forwards;z-index:9999;border-radius:2px;pointer-events:none; }

/* ── Screen animation ── */
.ms-screen { animation:fadein .3s ease; }

/* ── Animations ── */
@keyframes fadein    { from{opacity:0;transform:translateY(8px)} to{opacity:1;transform:translateY(0)} }
@keyframes spin      { to{transform:rotate(360deg)} }
@keyframes pulse     { 0%,100%{transform:scale(1)} 50%{transform:scale(1.04)} }
@keyframes bounce    { 0%{transform:scale(.5)} 60%{transform:scale(1.2)} 100%{transform:scale(1)} }
@keyframes shake     { 0%,100%{transform:translateX(0)} 25%{transform:translateX(-7px)} 75%{transform:translateX(7px)} }
@keyframes flash-green { 0%{box-shadow:0 0 0 0 rgba(57,255,20,.6)} 100%{box-shadow:0 0 0 14px rgba(57,255,20,0)} }
@keyframes confetti-fall { to{transform:translateY(110vh) rotate(720deg);opacity:0} }

@media(max-width:600px) {
  .ms-card { padding:18px; }
  .ms-question-card { padding:26px 14px; }
  .ms-lb-table td,.ms-lb-table th { padding:7px 5px;font-size:.82rem; }
}