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

:root {
  --blue-dark: #1e3a5f;
  --blue-mid: #2d5a8e;
  --blue-light: #eff6ff;
  --green: #22c55e;
  --yellow: #f59e0b;
  --red: #ef4444;
  --gray-50: #f8fafc;
  --gray-100: #f1f5f9;
  --gray-200: #e2e8f0;
  --gray-400: #94a3b8;
  --gray-600: #475569;
  --gray-800: #1e293b;
  --radius: 12px;
  --shadow: 0 2px 16px rgba(0,0,0,0.08);
}

html, body {
  height: 100%;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: var(--gray-100);
  color: var(--gray-800);
  font-size: 16px;
  line-height: 1.5;
}

#app {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* Screens */
.screen {
  flex: 1;
  display: flex;
  flex-direction: column;
  max-width: 640px;
  width: 100%;
  margin: 0 auto;
  padding: 20px 16px 32px;
}

/* Progress bar */
.progress-bar-wrap {
  height: 4px;
  background: var(--gray-200);
  margin: -20px -16px 0;
}
.progress-bar {
  height: 100%;
  background: linear-gradient(90deg, var(--blue-dark), var(--blue-mid));
  transition: width 0.4s ease;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 12px 24px;
  border-radius: 8px;
  border: none;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.15s;
  text-decoration: none;
}
.btn:disabled { opacity: 0.4; cursor: not-allowed; }
.btn-primary {
  background: var(--blue-dark);
  color: white;
}
.btn-primary:hover:not(:disabled) { background: var(--blue-mid); transform: translateY(-1px); }
.btn-secondary {
  background: white;
  color: var(--blue-dark);
  border: 2px solid var(--blue-dark);
}
.btn-secondary:hover { background: var(--blue-light); }
.btn-ghost {
  background: transparent;
  color: var(--gray-600);
  border: 1px solid var(--gray-200);
}
.btn-ghost:hover { background: var(--gray-100); }
.btn-large { padding: 16px 36px; font-size: 18px; border-radius: 10px; }

/* Landing */
.landing-screen {
  justify-content: center;
  min-height: 100vh;
  padding-top: 40px;
}
.landing-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 16px;
}
.logo-badge {
  width: 72px;
  height: 72px;
  background: var(--blue-dark);
  color: white;
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  font-weight: 800;
  letter-spacing: 2px;
  box-shadow: var(--shadow);
}
.landing-content h1 {
  font-size: 28px;
  font-weight: 800;
  color: var(--blue-dark);
  line-height: 1.2;
}
.landing-content .subtitle {
  font-size: 15px;
  color: var(--gray-600);
  margin-top: -8px;
}
.landing-desc {
  background: white;
  border-radius: var(--radius);
  padding: 16px 20px;
  border: 1px solid var(--gray-200);
  text-align: left;
  max-width: 440px;
  width: 100%;
}
.landing-desc p { color: var(--gray-600); font-size: 15px; }
.landing-desc p + p { margin-top: 8px; }
.meta-info {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  justify-content: center;
}
.meta-item {
  display: flex;
  align-items: center;
  gap: 6px;
  background: white;
  border: 1px solid var(--gray-200);
  padding: 8px 14px;
  border-radius: 20px;
  font-size: 14px;
  color: var(--gray-600);
}
.scale-hint {
  font-size: 13px;
  color: var(--gray-400);
}

/* Category Intro */
.cat-intro-screen {
  justify-content: center;
  min-height: 100vh;
  padding-top: 24px;
}
.cat-intro-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 16px;
  margin-top: 24px;
}
.cat-number {
  font-size: 13px;
  color: var(--gray-400);
  text-transform: uppercase;
  letter-spacing: 1px;
}
.cat-icon { font-size: 56px; line-height: 1; }
.cat-intro-content h2 {
  font-size: 24px;
  font-weight: 700;
  color: var(--blue-dark);
  line-height: 1.3;
}
.cat-question-count {
  font-size: 15px;
  color: var(--gray-600);
  background: var(--gray-100);
  padding: 6px 16px;
  border-radius: 20px;
}
.cat-progress-note {
  font-size: 14px;
  color: var(--green);
  font-weight: 600;
}

/* Question Screen */
.question-screen { padding-top: 4px; gap: 14px; }
.q-counter-row {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 8px;
  padding: 10px 0 2px;
  font-size: 13px;
  color: var(--gray-500, #64748b);
}
.q-counter-dot { color: var(--gray-300, #cbd5e1); }
.q-text {
  font-size: 19px;
  font-weight: 700;
  color: var(--blue-dark);
  line-height: 1.4;
  text-align: center;
  padding: 0 4px;
}
.rating-anchors { display: grid; gap: 10px; }
.anchor {
  padding: 12px 14px;
  border-radius: 10px;
  border: 1px solid var(--gray-200);
}
.anchor p { font-size: 13px; color: var(--gray-600); margin-top: 6px; line-height: 1.4; }
.anchor-best { background: #f0fdf4; border-color: #bbf7d0; }
.anchor-worst { background: #fff7ed; border-color: #fed7aa; }
.anchor-badge {
  display: inline-block;
  font-size: 11px;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 4px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.anchor-badge-1 { background: #dcfce7; color: #15803d; }
.anchor-badge-5 { background: #ffedd5; color: #c2410c; }

.rating-group {
  display: flex;
  gap: 8px;
  justify-content: center;
  flex-wrap: wrap;
}
.rating-label {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  cursor: pointer;
  flex: 1;
  min-width: 52px;
  max-width: 80px;
}
.rating-label input { display: none; }
.rating-btn {
  width: 52px;
  height: 52px;
  border-radius: 12px;
  background: white;
  border: 2px solid var(--gray-200);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  font-weight: 700;
  transition: all 0.15s;
  color: var(--gray-600);
}
.rating-desc { font-size: 11px; color: var(--gray-400); text-align: center; }
.rating-label:hover .rating-btn {
  border-color: var(--blue-mid);
  background: var(--blue-light);
  color: var(--blue-dark);
}
.rating-label.selected .rating-btn {
  background: var(--blue-dark);
  border-color: var(--blue-dark);
  color: white;
  transform: scale(1.08);
  box-shadow: 0 4px 12px rgba(30,58,95,0.3);
}
.rating-label.selected .rating-desc { color: var(--blue-mid); font-weight: 600; }

.q-nav {
  display: flex;
  gap: 12px;
  padding-top: 20px;
  justify-content: space-between;
}
.q-nav .btn { flex: 1; }

/* Results */
.results-screen { padding-top: 0; gap: 0; }
.results-header {
  background: var(--blue-dark);
  color: white;
  padding: 28px 20px 24px;
  text-align: center;
  margin: 0 -16px;
}
.logo-badge-sm {
  display: inline-block;
  background: rgba(255,255,255,0.15);
  color: white;
  padding: 4px 12px;
  border-radius: 6px;
  font-size: 14px;
  font-weight: 800;
  letter-spacing: 2px;
  margin-bottom: 10px;
}
.results-header h1 { font-size: 22px; font-weight: 800; }
.results-header p { font-size: 14px; opacity: 0.8; margin-top: 4px; }

.overall-score-card {
  background: white;
  border-radius: var(--radius);
  padding: 24px;
  text-align: center;
  margin: 20px 0 0;
  border: 1px solid var(--gray-200);
  box-shadow: var(--shadow);
}
.overall-label { font-size: 13px; color: var(--gray-400); text-transform: uppercase; letter-spacing: 1px; }
.overall-value { font-size: 64px; font-weight: 800; line-height: 1.1; margin: 8px 0 4px; }
.overall-text { font-size: 20px; font-weight: 700; }
.overall-hint { font-size: 12px; color: var(--gray-400); margin-top: 8px; }

.charts-section { margin-top: 24px; }
.charts-section h2 { font-size: 18px; font-weight: 700; color: var(--blue-dark); margin-bottom: 16px; }
.chart-wrap {
  background: white;
  border-radius: var(--radius);
  padding: 16px;
  border: 1px solid var(--gray-200);
  margin-bottom: 16px;
  max-height: 320px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.chart-wrap canvas { max-height: 280px; }

.bars-wrap {
  background: white;
  border-radius: var(--radius);
  padding: 16px;
  border: 1px solid var(--gray-200);
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.score-bar-row {
  display: grid;
  grid-template-columns: 1fr auto auto;
  align-items: center;
  gap: 10px;
}
.score-bar-label { font-size: 13px; color: var(--gray-600); font-weight: 500; }
.score-bar-track {
  width: 100px;
  height: 8px;
  background: var(--gray-100);
  border-radius: 4px;
  overflow: hidden;
}
.score-bar-fill { height: 100%; border-radius: 4px; transition: width 0.6s ease; }
.score-bar-value { font-size: 14px; font-weight: 700; min-width: 36px; text-align: right; }

.actions-section {
  margin-top: 24px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.action-card {
  background: white;
  border-radius: var(--radius);
  padding: 20px;
  border: 1px solid var(--gray-200);
  box-shadow: var(--shadow);
}
.action-card h3 { font-size: 17px; font-weight: 700; color: var(--blue-dark); margin-bottom: 8px; }
.action-card p { font-size: 14px; color: var(--gray-600); margin-bottom: 14px; }
.form-row { display: flex; gap: 8px; margin-bottom: 10px; flex-wrap: wrap; }
.form-input {
  flex: 1;
  min-width: 140px;
  padding: 10px 14px;
  border: 1px solid var(--gray-200);
  border-radius: 8px;
  font-size: 15px;
  color: var(--gray-800);
  background: var(--gray-50);
  transition: border-color 0.15s;
  width: 100%;
}
.form-input:focus { outline: none; border-color: var(--blue-mid); background: white; }
.form-textarea { resize: vertical; margin-bottom: 10px; }

.status-msg {
  font-size: 14px;
  padding: 8px 0 0;
  font-weight: 500;
}
.status-success { color: var(--green); }
.status-error { color: var(--red); }

.results-footer {
  margin-top: 24px;
  text-align: center;
  padding-bottom: 16px;
}
.results-footer p { font-size: 12px; color: var(--gray-400); margin-top: 12px; }

/* Modal */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  z-index: 100;
}
.modal {
  background: white;
  border-radius: var(--radius);
  padding: 28px 24px;
  max-width: 420px;
  width: 100%;
  position: relative;
  box-shadow: 0 20px 60px rgba(0,0,0,0.2);
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.modal h2 { font-size: 20px; font-weight: 700; color: var(--blue-dark); }
.modal p { font-size: 14px; color: var(--gray-600); }
.modal-close {
  position: absolute;
  top: 14px;
  right: 14px;
  background: none;
  border: none;
  font-size: 18px;
  cursor: pointer;
  color: var(--gray-400);
  line-height: 1;
  padding: 4px;
}
.modal-close:hover { color: var(--gray-800); }

/* Mobile tweaks */
@media (max-width: 480px) {
  .q-text { font-size: 16px; }
  .rating-btn { width: 46px; height: 46px; font-size: 18px; }
  .overall-value { font-size: 52px; }
  .score-bar-track { width: 80px; }
  .form-row { flex-direction: column; }
  .q-nav .btn { padding: 12px 16px; font-size: 15px; }
  .bars-wrap { padding: 12px; }
  .score-bar-row { grid-template-columns: 1fr auto auto; gap: 6px; }
  .score-bar-label { font-size: 12px; }
}