/* ============================================================
   PassItAL — style.css
   MsDee360 Studio LLC © 2026 | 360aldrive.com
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Bebas+Neue&family=DM+Sans:wght@400;500;600;700;800&display=swap');

/* ── RESET & ROOT ── */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

:root {
  --pink: #E91E63;
  --blue: #3B82F6;
  --green: #10B981;
  --red: #EF4444;
  --yellow: #F59E0B;
  --purple: #8B5CF6;
  --bg: #0a0a0a;
  --surface: #141414;
  --surface2: #1e1e1e;
  --border: #2a2a2a;
  --text: #F0F0F0;
  --muted: #9E9E9E;
  --dim: #4A4A4A;
  --font-display: 'Bebas Neue', sans-serif;
  --font-body: 'DM Sans', sans-serif;
  --radius: 16px;
  --radius-sm: 10px;
  --transition: 0.2s ease;
}

html, body {
  height: 100%;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.5;
  -webkit-tap-highlight-color: transparent;
  overflow-x: hidden;
}

/* ── APP SHELL ── */
#app {
  max-width: 480px;
  margin: 0 auto;
  min-height: 100vh;
  position: relative;
  overflow-x: hidden;
}

/* ── SCREENS ── */
.screen {
  display: none;
  min-height: 100vh;
  padding: 0 0 80px;
  animation: fadeIn 0.25s ease;
}
.screen.active { display: block; }

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ── ADSENSE SLOTS ── */
.ad-slot {
  width: 100%;
  min-height: 60px;
  background: transparent;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}
.ad-slot ins { display: block; }

/* ============================================================
   HOME SCREEN
   ============================================================ */
#home-screen { padding-bottom: 100px; }

.home-header {
  position: relative;
  padding: 48px 20px 24px;
  text-align: center;
  cursor: default;
  user-select: none;
}

.home-header::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 200px;
  background: radial-gradient(ellipse at 50% 0%, rgba(233,30,99,0.18) 0%, transparent 70%);
  pointer-events: none;
}

.brand-logo {
  font-family: var(--font-display);
  font-size: 52px;
  letter-spacing: 3px;
  background: linear-gradient(135deg, var(--pink) 0%, var(--blue) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
  margin-bottom: 6px;
}

.brand-tagline {
  font-size: 12px;
  color: var(--muted);
  letter-spacing: 2px;
  text-transform: uppercase;
}

/* top ad slot */
.home-ad-top {
  margin: 0 16px 8px;
}

/* zone grid */
.zone-grid-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px 12px;
}

.zone-grid-title {
  font-family: var(--font-display);
  font-size: 22px;
  letter-spacing: 2px;
  color: var(--muted);
}

.zones-complete-count {
  font-size: 12px;
  color: var(--dim);
  font-weight: 600;
}

.zone-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  padding: 0 16px;
}

.zone-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px 16px;
  cursor: pointer;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
  min-height: 130px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.zone-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--zone-color, var(--pink));
  opacity: 0;
  transition: opacity var(--transition);
}

.zone-card:hover::before,
.zone-card.unlocked:hover::before { opacity: 1; }

.zone-card.unlocked {
  border-color: #2a2a2a;
}
.zone-card.unlocked:hover {
  border-color: var(--zone-color, var(--pink));
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0,0,0,0.4);
}

.zone-card.completed {
  border-color: rgba(16,185,129,0.3);
  background: rgba(16,185,129,0.05);
}

.zone-card.locked {
  opacity: 0.4;
  cursor: not-allowed;
  pointer-events: none;
}

/* Zone 9 spans full width */
.zone-card.zone-9-card {
  grid-column: 1 / -1;
  flex-direction: row;
  align-items: center;
  min-height: 90px;
  gap: 16px;
  background: linear-gradient(135deg, rgba(233,30,99,0.1), rgba(59,130,246,0.1));
  border-color: rgba(233,30,99,0.3);
}
.zone-card.zone-9-card:hover {
  border-color: var(--pink);
  transform: translateY(-2px);
}
.zone-card.zone-9-card .zone-card-icon { font-size: 32px; }
.zone-card.zone-9-card .zone-card-body { flex: 1; }

.zone-card-icon {
  font-size: 26px;
  margin-bottom: 8px;
  display: block;
}

.zone-card-number {
  font-size: 10px;
  color: var(--dim);
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  margin-bottom: 2px;
}

.zone-card-name {
  font-size: 13px;
  font-weight: 700;
  color: var(--text);
  line-height: 1.3;
  margin-bottom: 6px;
}

.zone-card-subtitle {
  font-size: 11px;
  color: var(--muted);
}

.zone-card-progress {
  margin-top: 10px;
}

.zone-progress-bar-bg {
  height: 3px;
  background: var(--border);
  border-radius: 2px;
  overflow: hidden;
}

.zone-progress-bar-fill {
  height: 100%;
  background: var(--zone-color, var(--pink));
  border-radius: 2px;
  transition: width 0.4s ease;
}

.zone-card-badge {
  position: absolute;
  top: 10px;
  right: 10px;
  width: 20px;
  height: 20px;
  background: var(--green);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 11px;
}

.zone-card-lock {
  position: absolute;
  top: 10px;
  right: 10px;
  font-size: 14px;
  opacity: 0.5;
}

/* home footer */
.home-footer {
  margin-top: 32px;
  padding: 20px;
  text-align: center;
  border-top: 1px solid var(--border);
}

.educator-link {
  font-size: 12px;
  color: var(--muted);
  text-decoration: none;
  display: block;
  margin-bottom: 8px;
  transition: color var(--transition);
}
.educator-link:hover { color: var(--blue); }

.footer-copy {
  font-size: 11px;
  color: var(--dim);
  cursor: default;
}

/* ============================================================
   QUIZ SCREEN
   ============================================================ */
#quiz-screen { padding: 0; }

.quiz-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--bg);
  padding: 16px 16px 0;
  border-bottom: 1px solid var(--border);
}

.quiz-header-top {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
}

.btn-back {
  background: none;
  border: none;
  color: var(--muted);
  font-size: 22px;
  cursor: pointer;
  padding: 4px 8px 4px 0;
  line-height: 1;
  transition: color var(--transition);
}
.btn-back:hover { color: var(--text); }

.quiz-zone-label {
  font-family: var(--font-display);
  font-size: 16px;
  letter-spacing: 2px;
  color: var(--zone-color, var(--pink));
  flex: 1;
}

.music-toggle {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 50%;
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 16px;
  transition: all var(--transition);
  flex-shrink: 0;
}
.music-toggle:hover { border-color: var(--muted); }
.music-toggle.muted { opacity: 0.4; }

/* progress bar */
.quiz-progress {
  height: 4px;
  background: var(--border);
  border-radius: 2px;
  overflow: hidden;
  margin-bottom: 0;
}

.quiz-progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--pink), var(--blue));
  border-radius: 2px;
  transition: width 0.4s ease;
}

/* question area */
.quiz-body {
  padding: 24px 16px 100px;
}

.question-meta {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 16px;
}

.tier-badge {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  padding: 3px 8px;
  border-radius: 20px;
  border: 1px solid var(--border);
  color: var(--muted);
}

.tier-badge.tier-1 { border-color: var(--green); color: var(--green); }
.tier-badge.tier-2 { border-color: var(--yellow); color: var(--yellow); }
.tier-badge.tier-3 { border-color: var(--pink); color: var(--pink); }

.question-counter {
  font-size: 11px;
  color: var(--dim);
  margin-left: auto;
}

.question-text {
  font-size: 18px;
  font-weight: 700;
  line-height: 1.4;
  margin-bottom: 24px;
  color: var(--text);
}

/* answer choices */
.choices-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 20px;
}

.choice-btn {
  background: var(--surface);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 14px 16px;
  text-align: left;
  cursor: pointer;
  font-family: var(--font-body);
  font-size: 15px;
  font-weight: 500;
  color: var(--text);
  transition: all var(--transition);
  display: flex;
  align-items: center;
  gap: 12px;
  line-height: 1.4;
  width: 100%;
}

.choice-btn:active { transform: scale(0.98); }

.choice-btn:not(.answered):hover {
  border-color: var(--muted);
  background: var(--surface2);
}

.choice-letter {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: 800;
  flex-shrink: 0;
  transition: all var(--transition);
  color: var(--muted);
}

/* answer states */
.choice-btn.correct {
  border-color: var(--green);
  background: rgba(16,185,129,0.08);
}
.choice-btn.correct .choice-letter {
  background: var(--green);
  color: #fff;
}

.choice-btn.wrong {
  border-color: var(--red);
  background: rgba(239,68,68,0.22);
}
.choice-btn.wrong .choice-letter {
  background: var(--red);
  color: #fff;
}

.choice-btn.dimmed {
  opacity: 0.3;
}

.choice-btn.answered {
  cursor: default;
  pointer-events: none;
}

/* explanation card */
.explanation-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px;
  margin-bottom: 16px;
  animation: slideUp 0.3s ease;
}

@keyframes slideUp {
  from { opacity: 0; transform: translateY(12px); }
  to   { opacity: 1; transform: translateY(0); }
}

.explanation-wrong {
  background: rgba(239,68,68,0.08);
  border-color: rgba(239,68,68,0.3);
  border-radius: var(--radius-sm);
  padding: 12px 14px;
  margin-bottom: 12px;
  font-size: 13px;
  color: #fca5a5;
  line-height: 1.5;
}
.explanation-wrong::before {
  content: '✗ ';
  font-weight: 700;
}

.explanation-label {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 2px;
  color: var(--pink);
  text-transform: uppercase;
  margin-bottom: 8px;
}

.explanation-text {
  font-size: 14px;
  color: var(--text);
  line-height: 1.6;
}

.btn-next {
  width: 100%;
  background: linear-gradient(135deg, var(--pink), var(--blue));
  border: none;
  border-radius: 50px;
  padding: 16px;
  font-family: var(--font-display);
  font-size: 20px;
  letter-spacing: 2px;
  color: #fff;
  cursor: pointer;
  transition: all var(--transition);
  margin-bottom: 16px;
}
.btn-next:hover { opacity: 0.9; transform: translateY(-1px); }
.btn-next:active { transform: translateY(0); }

/* ============================================================
   ZONE COMPLETE SCREEN
   ============================================================ */
#zone-complete-screen { padding: 0 0 100px; }

.zone-complete-body {
  padding: 32px 20px;
  text-align: center;
}

.zone-complete-label {
  font-family: var(--font-display);
  font-size: 14px;
  letter-spacing: 3px;
  color: var(--muted);
  margin-bottom: 8px;
}

.zone-complete-name {
  font-family: var(--font-display);
  font-size: 36px;
  letter-spacing: 2px;
  background: linear-gradient(135deg, var(--pink), var(--blue));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 32px;
}

/* score ring */
.score-ring-wrap {
  position: relative;
  width: 160px;
  height: 160px;
  margin: 0 auto 24px;
}

.score-ring-svg {
  transform: rotate(-90deg);
  width: 160px;
  height: 160px;
}

.score-ring-track {
  fill: none;
  stroke: var(--border);
  stroke-width: 8;
}

.score-ring-fill {
  fill: none;
  stroke: var(--green);
  stroke-width: 8;
  stroke-linecap: round;
  stroke-dasharray: 408;
  stroke-dashoffset: 408;
  transition: stroke-dashoffset 1.2s ease;
}

.score-ring-fill.fail { stroke: var(--red); }

.score-ring-text {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.score-number {
  font-family: var(--font-display);
  font-size: 48px;
  line-height: 1;
}
.score-number.pass { color: var(--green); }
.score-number.fail { color: var(--red); }

.score-label {
  font-size: 11px;
  color: var(--muted);
  font-weight: 600;
  letter-spacing: 1px;
}

/* result message */
.zone-result-msg {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 6px;
}

.zone-result-sub {
  font-size: 14px;
  color: var(--muted);
  margin-bottom: 24px;
  line-height: 1.5;
}

/* ad slot in zone complete */
.zone-complete-ad {
  margin: 0 0 20px;
}

/* summary card */
.summary-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  margin-bottom: 16px;
  text-align: left;
}

.summary-card-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border);
}

.summary-card-logo {
  font-family: var(--font-display);
  font-size: 22px;
  background: linear-gradient(135deg, var(--pink), var(--blue));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.summary-card-title {
  flex: 1;
  font-size: 13px;
  font-weight: 700;
  color: var(--text);
}

.summary-card-score-badge {
  font-size: 12px;
  font-weight: 800;
  padding: 4px 10px;
  border-radius: 20px;
}
.summary-card-score-badge.pass { background: rgba(16,185,129,0.2); color: var(--green); }
.summary-card-score-badge.fail { background: rgba(239,68,68,0.2); color: var(--red); }

.summary-card-body {
  font-size: 13px;
  color: var(--muted);
  line-height: 1.6;
  margin-bottom: 12px;
}

.summary-card-url {
  font-size: 11px;
  color: var(--dim);
}

.summary-screenshot-hint {
  font-size: 11px;
  color: var(--dim);
  text-align: center;
  margin-bottom: 16px;
  font-style: italic;
}

/* weak spot card */
.weak-spot-card {
  background: rgba(239,68,68,0.06);
  border: 1px solid rgba(239,68,68,0.25);
  border-radius: var(--radius);
  padding: 18px 20px;
  margin-bottom: 16px;
}

.weak-spot-header {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 8px;
}

.weak-spot-icon { font-size: 20px; }

.weak-spot-title {
  font-size: 15px;
  font-weight: 700;
  color: var(--text);
}

.weak-spot-count {
  font-size: 13px;
  color: var(--muted);
  margin-bottom: 14px;
  line-height: 1.5;
}

.btn-weak-spot {
  width: 100%;
  background: rgba(239,68,68,0.15);
  border: 1px solid rgba(239,68,68,0.4);
  border-radius: 50px;
  padding: 13px;
  font-family: var(--font-display);
  font-size: 18px;
  letter-spacing: 2px;
  color: #fca5a5;
  cursor: pointer;
  transition: all var(--transition);
}
.btn-weak-spot:hover { background: rgba(239,68,68,0.25); }

/* zone complete actions */
.zone-complete-actions {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 0 20px;
}

.btn-primary {
  width: 100%;
  background: linear-gradient(135deg, var(--pink), var(--blue));
  border: none;
  border-radius: 50px;
  padding: 16px;
  font-family: var(--font-display);
  font-size: 20px;
  letter-spacing: 2px;
  color: #fff;
  cursor: pointer;
  transition: all var(--transition);
}
.btn-primary:hover { opacity: 0.9; transform: translateY(-1px); }

.btn-secondary {
  width: 100%;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 50px;
  padding: 14px;
  font-family: var(--font-display);
  font-size: 18px;
  letter-spacing: 2px;
  color: var(--muted);
  cursor: pointer;
  transition: all var(--transition);
}
.btn-secondary:hover { border-color: var(--muted); color: var(--text); }

/* badge unlock */
.badge-unlock {
  margin: 20px auto;
  width: 100px;
  height: 100px;
  animation: badgePop 0.6s cubic-bezier(0.34, 1.56, 0.64, 1) both;
  animation-delay: 0.5s;
  opacity: 0;
}

@keyframes badgePop {
  0%   { opacity: 0; transform: scale(0.3) rotate(-10deg); }
  100% { opacity: 1; transform: scale(1) rotate(0deg); }
}

/* ============================================================
   EDUCATOR SCREEN
   ============================================================ */
#educator-screen { padding: 0 0 100px; }

.screen-header {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 16px 12px;
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  background: var(--bg);
  z-index: 50;
}

.screen-header-title {
  font-family: var(--font-display);
  font-size: 22px;
  letter-spacing: 2px;
  color: var(--text);
}

.educator-body {
  padding: 24px 20px;
}

.educator-hero {
  text-align: center;
  margin-bottom: 32px;
}

.educator-hero-icon { font-size: 48px; margin-bottom: 12px; }

.educator-hero-title {
  font-family: var(--font-display);
  font-size: 28px;
  letter-spacing: 2px;
  margin-bottom: 8px;
  background: linear-gradient(135deg, var(--blue), var(--purple));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.educator-hero-sub {
  font-size: 14px;
  color: var(--muted);
  line-height: 1.6;
}

.feature-cards {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 32px;
}

.feature-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px;
  display: flex;
  gap: 14px;
  align-items: flex-start;
}

.feature-card-icon {
  font-size: 28px;
  flex-shrink: 0;
  margin-top: 2px;
}

.feature-card-title {
  font-size: 15px;
  font-weight: 700;
  margin-bottom: 4px;
}

.feature-card-desc {
  font-size: 13px;
  color: var(--muted);
  line-height: 1.5;
}

/* lead form */
.educator-form-section {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px 20px;
  margin-bottom: 20px;
}

.educator-form-title {
  font-family: var(--font-display);
  font-size: 22px;
  letter-spacing: 2px;
  margin-bottom: 4px;
}

.educator-form-sub {
  font-size: 13px;
  color: var(--muted);
  margin-bottom: 20px;
}

.form-group {
  margin-bottom: 14px;
}

.form-label {
  display: block;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 1px;
  color: var(--muted);
  margin-bottom: 6px;
  text-transform: uppercase;
}

.form-input, .form-select {
  width: 100%;
  background: var(--bg);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 12px 14px;
  font-family: var(--font-body);
  font-size: 15px;
  color: var(--text);
  transition: border-color var(--transition);
  appearance: none;
}

.form-input:focus, .form-select:focus {
  outline: none;
  border-color: var(--blue);
}

.form-input::placeholder { color: var(--dim); }

.btn-form-submit {
  width: 100%;
  background: linear-gradient(135deg, var(--blue), var(--purple));
  border: none;
  border-radius: 50px;
  padding: 15px;
  font-family: var(--font-display);
  font-size: 20px;
  letter-spacing: 2px;
  color: #fff;
  cursor: pointer;
  transition: all var(--transition);
  margin-top: 6px;
}
.btn-form-submit:hover { opacity: 0.9; }

.form-success {
  text-align: center;
  padding: 20px;
  display: none;
}
.form-success.visible { display: block; }
.form-success-icon { font-size: 40px; margin-bottom: 8px; }
.form-success-title { font-weight: 700; font-size: 16px; margin-bottom: 6px; color: var(--green); }
.form-success-sub { font-size: 13px; color: var(--muted); }

/* answer key */
.answer-key-section {
  background: rgba(59,130,246,0.06);
  border: 1px solid rgba(59,130,246,0.25);
  border-radius: var(--radius);
  padding: 20px;
}

.answer-key-title {
  font-size: 15px;
  font-weight: 700;
  margin-bottom: 6px;
}

.answer-key-desc {
  font-size: 13px;
  color: var(--muted);
  margin-bottom: 14px;
  line-height: 1.5;
}

.btn-answer-key {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(59,130,246,0.15);
  border: 1px solid rgba(59,130,246,0.4);
  border-radius: 50px;
  padding: 11px 20px;
  font-size: 14px;
  font-weight: 700;
  color: var(--blue);
  text-decoration: none;
  transition: all var(--transition);
}
.btn-answer-key:hover { background: rgba(59,130,246,0.25); }

/* ============================================================
   TEACHER DASHBOARD (Hidden)
   ============================================================ */
#teacher-screen { padding: 0 0 100px; }

.teacher-body { padding: 24px 20px; }

.teacher-code-display {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  text-align: center;
  margin-bottom: 20px;
}

.teacher-code-label {
  font-size: 11px;
  color: var(--muted);
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 8px;
}

.teacher-code-value {
  font-family: var(--font-display);
  font-size: 36px;
  letter-spacing: 4px;
  color: var(--pink);
}

.teacher-section-title {
  font-family: var(--font-display);
  font-size: 18px;
  letter-spacing: 2px;
  color: var(--muted);
  margin-bottom: 12px;
  margin-top: 20px;
}

.student-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.student-row {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 14px 16px;
  display: flex;
  align-items: center;
  gap: 12px;
}

.student-name {
  flex: 1;
  font-weight: 600;
  font-size: 14px;
}

.student-zones {
  display: flex;
  gap: 4px;
}

.zone-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--border);
}
.zone-dot.complete { background: var(--green); }
.zone-dot.in-progress { background: var(--yellow); }

.student-score {
  font-size: 13px;
  font-weight: 700;
  color: var(--muted);
}

/* heatmap */
.heatmap-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 6px;
}

.heatmap-cell {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 8px 4px;
  text-align: center;
  font-size: 9px;
  color: var(--muted);
  line-height: 1.3;
}

.heatmap-cell.hot { background: rgba(239,68,68,0.2); border-color: rgba(239,68,68,0.4); color: #fca5a5; }
.heatmap-cell.warm { background: rgba(245,158,11,0.15); border-color: rgba(245,158,11,0.3); color: #fcd34d; }

.btn-change-code {
  width: 100%;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 50px;
  padding: 13px;
  font-family: var(--font-display);
  font-size: 17px;
  letter-spacing: 2px;
  color: var(--muted);
  cursor: pointer;
  transition: all var(--transition);
  margin-top: 20px;
}
.btn-change-code:hover { border-color: var(--muted); }

/* ============================================================
   MODALS
   ============================================================ */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.8);
  z-index: 200;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 20px;
  backdrop-filter: blur(4px);
}
.modal-overlay.active { display: flex; }

.modal-box {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 28px 24px;
  width: 100%;
  max-width: 380px;
  animation: modalIn 0.2s ease;
}

@keyframes modalIn {
  from { opacity: 0; transform: scale(0.95) translateY(10px); }
  to   { opacity: 1; transform: scale(1) translateY(0); }
}

.modal-title {
  font-family: var(--font-display);
  font-size: 24px;
  letter-spacing: 2px;
  margin-bottom: 6px;
}

.modal-sub {
  font-size: 13px;
  color: var(--muted);
  margin-bottom: 20px;
  line-height: 1.5;
}

.modal-input {
  width: 100%;
  background: var(--bg);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 13px 16px;
  font-family: var(--font-body);
  font-size: 16px;
  color: var(--text);
  text-align: center;
  letter-spacing: 4px;
  margin-bottom: 16px;
}
.modal-input:focus { outline: none; border-color: var(--pink); }

.modal-actions {
  display: flex;
  gap: 10px;
}

.btn-modal-confirm {
  flex: 1;
  background: linear-gradient(135deg, var(--pink), var(--blue));
  border: none;
  border-radius: 50px;
  padding: 13px;
  font-family: var(--font-display);
  font-size: 18px;
  letter-spacing: 2px;
  color: #fff;
  cursor: pointer;
}

.btn-modal-cancel {
  flex: 1;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 50px;
  padding: 13px;
  font-family: var(--font-display);
  font-size: 18px;
  letter-spacing: 2px;
  color: var(--muted);
  cursor: pointer;
}

/* ============================================================
   TOAST
   ============================================================ */
#toast {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%) translateY(80px);
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 50px;
  padding: 12px 24px;
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
  z-index: 300;
  transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
  white-space: nowrap;
  pointer-events: none;
}
#toast.show { transform: translateX(-50%) translateY(0); }

/* ============================================================
   CERTIFICATE SCREEN
   ============================================================ */
#certificate-screen {
  background: #0a0a0a;
  padding: 0 0 80px;
}

.cert-wrap {
  padding: 24px 16px 40px;
}

.cert-card {
  position: relative;
  background: #0f0f0f;
  border: 1px solid rgba(233,30,99,0.4);
  border-radius: 24px;
  padding: 36px 24px 28px;
  text-align: center;
  overflow: hidden;
  margin-bottom: 24px;
  box-shadow: 0 0 60px rgba(233,30,99,0.12), 0 0 120px rgba(59,130,246,0.06);
}

.cert-glow {
  position: absolute;
  top: -60px; left: 50%;
  transform: translateX(-50%);
  width: 300px;
  height: 200px;
  background: radial-gradient(ellipse, rgba(233,30,99,0.25) 0%, transparent 70%);
  pointer-events: none;
}

.cert-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    repeating-linear-gradient(
      45deg,
      transparent,
      transparent 30px,
      rgba(255,255,255,0.012) 30px,
      rgba(255,255,255,0.012) 31px
    );
  pointer-events: none;
  border-radius: 24px;
}

.cert-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 28px;
}

.cert-brand {
  font-family: var(--font-display);
  font-size: 20px;
  letter-spacing: 3px;
  background: linear-gradient(135deg, var(--pink), var(--blue));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.cert-issued {
  font-size: 9px;
  color: var(--dim);
  letter-spacing: 1px;
}

.cert-trophy {
  font-size: 56px;
  margin-bottom: 12px;
  display: block;
  animation: trophyBounce 2s ease-in-out infinite;
}

@keyframes trophyBounce {
  0%, 100% { transform: translateY(0) scale(1); }
  50%       { transform: translateY(-6px) scale(1.05); }
}

.cert-state {
  font-family: var(--font-display);
  font-size: 42px;
  letter-spacing: 8px;
  color: var(--pink);
  line-height: 1;
  margin-bottom: 4px;
}

.cert-status {
  font-family: var(--font-display);
  font-size: 56px;
  letter-spacing: 10px;
  color: var(--blue);
  line-height: 1;
  margin-bottom: 16px;
}

.cert-divider {
  width: 60px;
  height: 2px;
  background: linear-gradient(90deg, var(--pink), var(--blue));
  margin: 0 auto 12px;
  border-radius: 1px;
}

.cert-subtitle {
  font-size: 10px;
  letter-spacing: 3px;
  color: var(--muted);
  margin-bottom: 28px;
  text-transform: uppercase;
}

.cert-score-row {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
  margin-bottom: 24px;
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(255,255,255,0.07);
  border-radius: 14px;
  padding: 16px 8px;
}

.cert-stat {
  flex: 1;
  text-align: center;
}

.cert-stat-num {
  font-family: var(--font-display);
  font-size: 28px;
  letter-spacing: 1px;
  background: linear-gradient(135deg, var(--pink), var(--blue));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
  margin-bottom: 4px;
}

.cert-stat-label {
  font-size: 8px;
  letter-spacing: 2px;
  color: var(--dim);
  text-transform: uppercase;
}

.cert-stat-sep {
  width: 1px;
  height: 36px;
  background: rgba(255,255,255,0.08);
}

.cert-zones-row {
  display: flex;
  justify-content: center;
  gap: 6px;
  margin-bottom: 24px;
  flex-wrap: wrap;
}

.cert-zone-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 6px rgba(16,185,129,0.6);
}

.cert-zone-dot.empty {
  background: var(--border);
  box-shadow: none;
}

.cert-footer-text {
  font-size: 12px;
  color: var(--muted);
  letter-spacing: 2px;
  margin-bottom: 6px;
}

.cert-footer-sub {
  font-size: 11px;
  color: var(--dim);
  letter-spacing: 1px;
}

/* Certificate action buttons */
.cert-actions {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.btn-cert-share {
  width: 100%;
  background: linear-gradient(135deg, var(--pink), var(--blue));
  border: none;
  border-radius: 50px;
  padding: 16px;
  font-family: var(--font-display);
  font-size: 20px;
  letter-spacing: 2px;
  color: #fff;
  cursor: pointer;
  transition: all var(--transition);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
}
.btn-cert-share:hover { opacity: 0.9; transform: translateY(-1px); }

.btn-cert-copy {
  width: 100%;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 50px;
  padding: 14px;
  font-family: var(--font-display);
  font-size: 18px;
  letter-spacing: 2px;
  color: var(--muted);
  cursor: pointer;
  transition: all var(--transition);
}
.btn-cert-copy:hover { border-color: var(--muted); color: var(--text); }

.cert-home-btn {
  margin-top: 4px;
}

/* Unlock button on zone complete */
.btn-cert-unlock {
  width: 100%;
  background: linear-gradient(135deg, #F59E0B, #E91E63);
  border: none;
  border-radius: 50px;
  padding: 18px;
  font-family: var(--font-display);
  font-size: 22px;
  letter-spacing: 2px;
  color: #fff;
  cursor: pointer;
  transition: all var(--transition);
  animation: certPulse 2s ease-in-out infinite;
}
.btn-cert-unlock:hover { opacity: 0.9; animation: none; }

@keyframes certPulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(233,30,99,0); }
  50%       { box-shadow: 0 0 0 8px rgba(233,30,99,0.2); }
}

/* ============================================================
   ZONE 9 — TIMER & BREAKDOWN
   ============================================================ */
.zone9-timer {
  font-family: var(--font-display);
  font-size: 16px;
  letter-spacing: 1px;
  color: var(--yellow);
  background: rgba(245,158,11,0.1);
  border: 1px solid rgba(245,158,11,0.3);
  border-radius: 20px;
  padding: 4px 12px;
  flex-shrink: 0;
  transition: color var(--transition);
}

.zone9-breakdown {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  margin-bottom: 16px;
  text-align: left;
}

.zone9-breakdown-title {
  font-size: 15px;
  font-weight: 700;
  margin-bottom: 6px;
}

.zone9-breakdown-sub {
  font-size: 13px;
  color: var(--muted);
  margin-bottom: 16px;
  line-height: 1.5;
}

.z9-breakdown-row {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 0;
  border-bottom: 1px solid var(--border);
}
.z9-breakdown-row:last-child { border-bottom: none; }

.z9-breakdown-icon { font-size: 22px; flex-shrink: 0; }

.z9-breakdown-info { flex: 1; }

.z9-breakdown-name { font-size: 13px; font-weight: 700; margin-bottom: 2px; }

.z9-breakdown-missed { font-size: 12px; color: var(--red); }

.btn-z9-review {
  background: rgba(233,30,99,0.12);
  border: 1px solid rgba(233,30,99,0.3);
  border-radius: 20px;
  padding: 7px 14px;
  font-family: var(--font-display);
  font-size: 13px;
  letter-spacing: 1px;
  color: var(--pink);
  cursor: pointer;
  white-space: nowrap;
  transition: all var(--transition);
  flex-shrink: 0;
}
.btn-z9-review:hover { background: rgba(233,30,99,0.22); }

.hidden { display: none !important; }
.text-green { color: var(--green); }
.text-red { color: var(--red); }
.text-pink { color: var(--pink); }
.text-blue { color: var(--blue); }
.text-muted { color: var(--muted); }

/* ============================================================
   INSTALL BANNER
   ============================================================ */
#install-banner {
  position: fixed;
  bottom: 0; left: 0; right: 0;
  background: var(--surface);
  border-top: 1px solid var(--border);
  padding: 16px 20px;
  display: none;
  align-items: center;
  gap: 12px;
  z-index: 100;
  max-width: 480px;
  margin: 0 auto;
}
#install-banner.show { display: flex; }

.install-text {
  flex: 1;
  font-size: 13px;
  color: var(--text);
  font-weight: 600;
}

.install-sub {
  font-size: 11px;
  color: var(--muted);
  font-weight: 400;
  display: block;
}

.btn-install {
  background: linear-gradient(135deg, var(--pink), var(--blue));
  border: none;
  border-radius: 50px;
  padding: 10px 20px;
  font-family: var(--font-display);
  font-size: 16px;
  letter-spacing: 1px;
  color: #fff;
  cursor: pointer;
  white-space: nowrap;
}

.btn-install-dismiss {
  background: none;
  border: none;
  color: var(--muted);
  font-size: 20px;
  cursor: pointer;
  padding: 4px;
  line-height: 1;
}