/* ============================================================
   NapNav — Smart Flight Planning for Families
   style.css
   ============================================================ */

:root {
  --primary: #0D9488;
  --primary-dark: #0F766E;
  --primary-light: #CCFBF1;
  --accent: #F97316;
  --accent-light: #FFF7ED;
  --bg: #F0F9FF;
  --card-bg: #FFFFFF;
  --text: #1E293B;
  --text-muted: #64748B;
  --border: #E2E8F0;
  --success: #10B981;
  --success-light: #D1FAE5;
  --warning: #F59E0B;
  --warning-light: #FEF3C7;
  --danger: #EF4444;
  --danger-light: #FEE2E2;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.08), 0 1px 2px rgba(0,0,0,0.05);
  --shadow-md: 0 4px 6px rgba(0,0,0,0.07), 0 2px 4px rgba(0,0,0,0.05);
  --shadow-lg: 0 10px 15px rgba(0,0,0,0.08), 0 4px 6px rgba(0,0,0,0.05);
  --radius: 12px;
  --radius-sm: 8px;
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  min-height: 100vh;
}

/* ============ HEADER ============ */
header {
  background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 100%);
  color: white;
  padding: 20px 0;
  box-shadow: var(--shadow-md);
}

.header-inner {
  max-width: 860px;
  margin: 0 auto;
  padding: 0 24px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 16px;
}

.logo-icon {
  font-size: 36px;
  background: rgba(255,255,255,0.15);
  border-radius: 12px;
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.logo h1 {
  font-size: 28px;
  font-weight: 800;
  letter-spacing: -0.5px;
}

.logo p {
  font-size: 14px;
  opacity: 0.85;
  margin-top: 2px;
}

/* ============ MAIN / LAYOUT ============ */
main {
  max-width: 860px;
  margin: 0 auto;
  padding: 32px 24px 64px;
}

/* ============ PROGRESS BAR ============ */
.progress-container {
  margin-bottom: 36px;
}

.progress-steps {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
}

.progress-step {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  position: relative;
}

.step-circle {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--border);
  color: var(--text-muted);
  font-weight: 700;
  font-size: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s ease;
  border: 2px solid var(--border);
}

.progress-step span {
  font-size: 11px;
  color: var(--text-muted);
  font-weight: 500;
  transition: all 0.3s ease;
}

.progress-step.active .step-circle {
  background: var(--primary);
  color: white;
  border-color: var(--primary);
  box-shadow: 0 0 0 4px var(--primary-light);
}

.progress-step.active span {
  color: var(--primary-dark);
  font-weight: 700;
}

.progress-step.completed .step-circle {
  background: var(--success);
  color: white;
  border-color: var(--success);
}

.progress-step.completed span {
  color: var(--success);
}

.progress-line {
  flex: 1;
  height: 2px;
  background: var(--border);
  min-width: 40px;
  max-width: 80px;
  margin-bottom: 22px;
  transition: background 0.3s ease;
}

.progress-line.completed {
  background: var(--success);
}

/* ============ CARDS ============ */
.form-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  margin-bottom: 20px;
  box-shadow: var(--shadow-sm);
}

.form-card h3 {
  font-size: 17px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 16px;
}

.form-card h4 {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-muted);
  margin: 20px 0 12px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  display: flex;
  align-items: center;
  gap: 8px;
}

/* ============ SECTION HEADER ============ */
.section-header {
  margin-bottom: 24px;
}

.section-header h2 {
  font-size: 24px;
  font-weight: 800;
  color: var(--text);
  margin-bottom: 6px;
}

.section-header p {
  color: var(--text-muted);
  font-size: 15px;
}

/* ============ FORM FIELDS ============ */
.field-group {
  flex: 1;
  min-width: 0;
}

.field-row {
  display: flex;
  gap: 16px;
  margin-bottom: 16px;
  flex-wrap: wrap;
}

.field-row .field-group {
  flex: 1;
  min-width: 200px;
}

.field-group {
  margin-bottom: 16px;
}

.field-group:last-child {
  margin-bottom: 0;
}

.field-label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 6px;
}

.field-input {
  width: 100%;
  padding: 10px 12px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 14px;
  color: var(--text);
  background: #FAFAFA;
  transition: border-color 0.2s, box-shadow 0.2s;
  appearance: auto;
}

.field-input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-light);
  background: white;
}

textarea.field-input {
  resize: vertical;
  min-height: 70px;
  font-family: inherit;
}

/* ============ BUTTONS ============ */
.btn-primary {
  background: var(--primary);
  color: white;
  border: none;
  padding: 12px 24px;
  border-radius: var(--radius-sm);
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.2s, transform 0.1s;
}

.btn-primary:hover {
  background: var(--primary-dark);
}

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

.btn-secondary {
  background: white;
  color: var(--text-muted);
  border: 1.5px solid var(--border);
  padding: 12px 24px;
  border-radius: var(--radius-sm);
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
}

.btn-secondary:hover {
  border-color: var(--text-muted);
  color: var(--text);
}

.btn-analyze {
  background: linear-gradient(135deg, var(--accent) 0%, #EA580C 100%);
  color: white;
  border: none;
  padding: 14px 32px;
  border-radius: var(--radius-sm);
  font-size: 16px;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.2s;
  box-shadow: 0 4px 12px rgba(249, 115, 22, 0.35);
}

.btn-analyze:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 16px rgba(249, 115, 22, 0.4);
}

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

/* ============ CHILD COUNT BUTTONS ============ */
.btn-group {
  display: flex;
  gap: 8px;
  margin-top: 8px;
}

.count-btn {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-sm);
  border: 2px solid var(--border);
  background: white;
  font-size: 20px;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.2s;
  color: var(--text-muted);
}

.count-btn.active {
  border-color: var(--primary);
  background: var(--primary-light);
  color: var(--primary-dark);
}

.count-btn:hover:not(.active) {
  border-color: var(--primary);
  color: var(--primary);
}

/* ============ CHILD CARDS ============ */
.child-card {
  border-left: 4px solid var(--primary);
}

.child-card h3 {
  color: var(--primary-dark);
  font-size: 18px;
}

/* ============ AUTO BADGE ============ */
.auto-badge {
  font-size: 10px;
  font-weight: 500;
  background: var(--primary-light);
  color: var(--primary-dark);
  padding: 2px 8px;
  border-radius: 20px;
  text-transform: none;
  letter-spacing: 0;
}

/* ============ CHECKBOXES ============ */
.checkbox-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 10px;
}

.checkbox-label {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all 0.2s;
  font-size: 13px;
  color: var(--text);
}

.checkbox-label:hover {
  border-color: var(--primary);
  background: var(--primary-light);
}

.checkbox-label input[type="checkbox"] {
  width: 16px;
  height: 16px;
  accent-color: var(--primary);
  flex-shrink: 0;
}

.checkbox-label input[type="checkbox"]:checked + span {
  color: var(--primary-dark);
  font-weight: 600;
}

/* ============ INFO BOX ============ */
.info-box {
  background: #EFF6FF;
  border: 1px solid #BFDBFE;
  border-radius: var(--radius-sm);
  padding: 12px 16px;
  font-size: 13px;
  color: #1E40AF;
  margin-top: 16px;
  line-height: 1.5;
}

.info-box strong {
  font-weight: 700;
}

/* ============ FLIGHT CARDS ============ */
.flight-card-header {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
}

.flight-card-header h3 {
  margin-bottom: 0;
}

.badge {
  font-size: 11px;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: 20px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.badge-required {
  background: var(--danger-light);
  color: var(--danger);
}

.badge-optional {
  background: var(--border);
  color: var(--text-muted);
}

/* ============ STEP NAV ============ */
.step-nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 24px;
  padding-top: 16px;
}

/* ============ HIDDEN ============ */
.hidden {
  display: none !important;
}

/* ============ RESULTS ============ */
.results-header {
  margin-bottom: 28px;
}

.results-header h2 {
  font-size: 26px;
  font-weight: 800;
  color: var(--text);
  margin-bottom: 6px;
}

.results-header p {
  color: var(--text-muted);
}

/* Flight result card */
.result-card {
  background: var(--card-bg);
  border: 2px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  margin-bottom: 20px;
  box-shadow: var(--shadow-sm);
  transition: box-shadow 0.2s;
}

.result-card.rank-1 {
  border-color: var(--success);
  box-shadow: 0 0 0 3px var(--success-light), var(--shadow-md);
}

.result-card.rank-2 {
  border-color: var(--warning);
}

.result-card.rank-3 {
  border-color: var(--border);
}

.result-card-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 16px;
  flex-wrap: wrap;
  gap: 12px;
}

.rank-badge {
  display: flex;
  align-items: center;
  gap: 10px;
}

.rank-medal {
  font-size: 28px;
}

.rank-title {
  font-size: 18px;
  font-weight: 800;
  color: var(--text);
}

.rank-subtitle {
  font-size: 13px;
  color: var(--text-muted);
}

/* Score display */
.score-display {
  text-align: right;
}

.score-number {
  font-size: 36px;
  font-weight: 900;
  line-height: 1;
}

.score-label {
  font-size: 11px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  font-weight: 600;
}

.score-bar-wrap {
  width: 120px;
  height: 8px;
  background: var(--border);
  border-radius: 4px;
  margin-top: 6px;
  overflow: hidden;
}

.score-bar-fill {
  height: 100%;
  border-radius: 4px;
  transition: width 0.5s ease;
}

.score-excellent { color: var(--success); }
.score-good { color: var(--primary); }
.score-fair { color: var(--warning); }
.score-poor { color: var(--danger); }

.fill-excellent { background: var(--success); }
.fill-good { background: var(--primary); }
.fill-fair { background: var(--warning); }
.fill-poor { background: var(--danger); }

/* Timeline */
.timeline-section {
  margin: 20px 0;
}

.timeline-label {
  font-size: 12px;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 10px;
}

.timeline-bar {
  display: flex;
  border-radius: var(--radius-sm);
  overflow: hidden;
  height: 40px;
  border: 1px solid var(--border);
}

.timeline-segment {
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 10px;
  font-weight: 700;
  text-align: center;
  overflow: hidden;
  white-space: nowrap;
  color: white;
  min-width: 0;
  padding: 0 4px;
  position: relative;
}

.seg-drive { background: #94A3B8; }
.seg-security { background: #64748B; }
.seg-boarding { background: #475569; }
.seg-flight { background: var(--primary); }
.seg-layover { background: var(--warning); color: var(--text); }
.seg-transit { background: #A78BFA; }
.seg-hotel { background: var(--success); }

.timeline-times {
  display: flex;
  justify-content: space-between;
  font-size: 11px;
  color: var(--text-muted);
  margin-top: 4px;
}

.nap-markers {
  display: flex;
  gap: 6px;
  margin-top: 8px;
  flex-wrap: wrap;
}

.nap-marker {
  font-size: 11px;
  padding: 2px 8px;
  border-radius: 20px;
  font-weight: 600;
}

.nap-in-flight {
  background: var(--success-light);
  color: #065F46;
}

.nap-missed {
  background: var(--danger-light);
  color: #991B1B;
}

.nap-disrupted {
  background: var(--warning-light);
  color: #92400E;
}

/* Positives / Warnings */
.insights-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-top: 16px;
}

@media (max-width: 600px) {
  .insights-grid {
    grid-template-columns: 1fr;
  }
}

.insights-col h4 {
  font-size: 13px;
  font-weight: 700;
  margin-bottom: 8px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.insight-item {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  font-size: 13px;
  line-height: 1.5;
  margin-bottom: 6px;
}

.insight-icon {
  flex-shrink: 0;
  margin-top: 1px;
}

/* Checklist */
.checklist-section {
  margin-bottom: 16px;
}

.checklist-section h4 {
  font-size: 14px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 10px;
  padding-bottom: 6px;
  border-bottom: 1px solid var(--border);
}

.checklist-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 8px 0;
  font-size: 14px;
  border-bottom: 1px solid var(--bg);
  line-height: 1.4;
}

.checklist-item input[type="checkbox"] {
  width: 16px;
  height: 16px;
  margin-top: 2px;
  accent-color: var(--primary);
  flex-shrink: 0;
}

.checklist-item.urgent {
  color: var(--danger);
}

.checklist-item.important {
  color: #92400E;
}

/* Tips */
.tip-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 12px 0;
  border-bottom: 1px solid var(--border);
  font-size: 14px;
  line-height: 1.5;
}

.tip-item:last-child {
  border-bottom: none;
}

.tip-icon {
  font-size: 20px;
  flex-shrink: 0;
}

.tip-content strong {
  display: block;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 2px;
}

.tip-content p {
  color: var(--text-muted);
}

/* Jet lag panel */
.jetlag-panel {
  background: var(--warning-light);
  border: 1px solid #FCD34D;
  border-radius: var(--radius-sm);
  padding: 16px;
  margin-top: 16px;
}

.jetlag-panel h4 {
  color: #92400E;
  font-size: 14px;
  font-weight: 700;
  margin-bottom: 8px;
}

.jetlag-panel p {
  color: #92400E;
  font-size: 13px;
  line-height: 1.5;
}

/* ============ AIRPORT AUTOCOMPLETE ============ */
.airport-input-wrap {
  position: relative;
}

.airport-dropdown {
  position: absolute;
  top: calc(100% + 2px);
  left: 0;
  right: 0;
  background: white;
  border: 1.5px solid var(--primary);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-lg);
  z-index: 100;
  overflow: hidden;
  max-height: 280px;
  overflow-y: auto;
}

.airport-option {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  cursor: pointer;
  transition: background 0.1s;
  border-bottom: 1px solid var(--border);
}

.airport-option:last-child {
  border-bottom: none;
}

.airport-option:hover {
  background: var(--primary-light);
}

.airport-opt-code {
  font-size: 14px;
  font-weight: 800;
  color: var(--primary-dark);
  min-width: 36px;
  flex-shrink: 0;
}

.airport-opt-city {
  font-size: 13px;
  color: var(--text);
}

/* ============ AIRPORT STATUS ============ */
.airport-status {
  font-size: 12px;
  font-weight: 600;
  margin-top: 5px;
  min-height: 16px;
  transition: color 0.2s;
}

/* ============ TZ DISPLAY ============ */
.tz-display {
  background: var(--primary-light);
  border: 1px solid #99F6E4;
  border-radius: var(--radius-sm);
  padding: 14px 16px;
  margin-top: 12px;
}

.tz-row {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 10px;
  flex-wrap: wrap;
}

.tz-city {
  flex: 1;
  min-width: 120px;
  font-size: 13px;
  line-height: 1.4;
  color: var(--text);
}

.tz-city strong {
  font-size: 16px;
  font-weight: 800;
  color: var(--primary-dark);
}

.tz-offset {
  font-size: 11px;
  color: var(--text-muted);
  font-weight: 500;
}

.tz-arrow {
  font-size: 20px;
  color: var(--primary);
  font-weight: 700;
  flex-shrink: 0;
}

.tz-result {
  font-size: 13px;
  color: var(--primary-dark);
  font-weight: 600;
  border-top: 1px solid #99F6E4;
  padding-top: 10px;
}

.flight-est-row {
  display: flex;
  align-items: baseline;
  gap: 10px;
  margin-top: 10px;
  padding-top: 10px;
  border-top: 1px solid #99F6E4;
  flex-wrap: wrap;
}

#flight-est-text {
  font-size: 14px;
  font-weight: 700;
  color: var(--primary-dark);
}

.flight-est-note {
  font-size: 11px;
  color: var(--text-muted);
  font-style: italic;
}

/* ============ DURATION PICKER ============ */
.duration-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 10px;
}

.dur-btn {
  padding: 10px 16px;
  border: 2px solid var(--border);
  border-radius: var(--radius-sm);
  background: white;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  color: var(--text-muted);
  transition: all 0.2s;
}

.dur-btn:hover:not(.active) {
  border-color: var(--primary);
  color: var(--primary);
}

.dur-btn.active {
  border-color: var(--primary);
  background: var(--primary-light);
  color: var(--primary-dark);
}

.duration-selected-label {
  margin-top: 12px;
  font-size: 14px;
  font-weight: 600;
  color: var(--primary-dark);
  background: var(--primary-light);
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  display: inline-block;
}

.field-hint {
  font-size: 13px;
  color: var(--text-muted);
  margin-top: 6px;
  line-height: 1.5;
}

/* ============ WINDOW RESULT CARDS ============ */
.window-time-display {
  font-size: 13px;
  color: var(--text-muted);
  margin-top: 4px;
  line-height: 1.4;
}

.window-time-display strong {
  font-size: 18px;
  color: var(--text);
  font-weight: 800;
}

/* Journey summary bar */
.journey-summary {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--bg);
  border-radius: var(--radius-sm);
  padding: 14px 16px;
  margin: 16px 0;
  flex-wrap: wrap;
}

.journey-step {
  display: flex;
  align-items: center;
  gap: 8px;
  flex: 1;
  min-width: 100px;
}

.journey-icon {
  font-size: 20px;
  flex-shrink: 0;
}

.journey-label {
  font-size: 11px;
  color: var(--text-muted);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.4px;
}

.journey-time {
  font-size: 14px;
  font-weight: 700;
  color: var(--text);
  margin-top: 2px;
}

.journey-arrow {
  color: var(--text-muted);
  font-size: 16px;
  flex-shrink: 0;
}

@media (max-width: 600px) {
  .journey-summary {
    gap: 12px;
  }
  .journey-arrow {
    display: none;
  }
  .journey-step {
    min-width: 45%;
  }
}

/* ============ FOOTER ============ */
footer {
  background: var(--text);
  color: rgba(255,255,255,0.6);
  text-align: center;
  padding: 20px;
  font-size: 13px;
}

/* ============ SCORE DELTA BADGES ============ */
.score-delta-badge {
  font-size: 11px;
  font-weight: 800;
  padding: 1px 6px;
  border-radius: 10px;
  margin-left: auto;
  flex-shrink: 0;
  white-space: nowrap;
}

.delta-pos {
  background: var(--success-light);
  color: #065F46;
}

.delta-neg {
  background: var(--danger-light);
  color: #991B1B;
}

.delta-neutral {
  background: var(--border);
  color: var(--text-muted);
}

.insight-item {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  font-size: 13px;
  line-height: 1.5;
  margin-bottom: 6px;
}

/* ============ EXPLORE HEATMAP ============ */
.heatmap-wrap {
  position: relative;
  margin-bottom: 28px;
}

.heatmap-row {
  display: flex;
  height: 48px;
  border-radius: var(--radius-sm);
  overflow: hidden;
  border: 1px solid var(--border);
  cursor: pointer;
}

.heatmap-block {
  flex: 1;
  transition: opacity 0.1s, outline 0.1s;
  position: relative;
}

.heatmap-block:hover {
  opacity: 0.8;
  outline: 2px solid white;
  z-index: 2;
}

.heatmap-block.selected {
  outline: 3px solid var(--text);
  z-index: 3;
  opacity: 1;
}

.heatmap-labels {
  position: relative;
  height: 20px;
  margin-top: 4px;
}

.heatmap-label {
  position: absolute;
  font-size: 10px;
  color: var(--text-muted);
  transform: translateX(-50%);
  white-space: nowrap;
  font-weight: 500;
}

.heatmap-legend {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 12px;
  color: var(--text-muted);
  flex-wrap: wrap;
  margin-top: 8px;
}

.legend-dot {
  display: inline-block;
  width: 12px;
  height: 12px;
  border-radius: 3px;
  flex-shrink: 0;
}

/* Explore detail panel */
#explore-detail-panel {
  margin-top: 16px;
  border: 2px solid var(--primary);
  border-radius: var(--radius-sm);
  overflow: hidden;
  animation: slideDown 0.2s ease;
}

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

.explore-detail-inner {
  padding: 20px;
}

.explore-detail-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 4px;
  flex-wrap: wrap;
  gap: 12px;
}

.explore-detail-time {
  font-size: 20px;
  font-weight: 800;
  color: var(--text);
}

.explore-detail-sub {
  font-size: 13px;
  color: var(--text-muted);
  margin-top: 4px;
}

/* ============ PRINT ============ */
@media print {
  header, .progress-container, .step-nav, footer {
    display: none;
  }
  .result-card {
    break-inside: avoid;
  }
  body {
    background: white;
  }
}

/* ============ RESPONSIVE ============ */
@media (max-width: 600px) {
  main {
    padding: 20px 16px 48px;
  }

  .progress-line {
    min-width: 20px;
  }

  .progress-step span {
    font-size: 10px;
  }

  .step-circle {
    width: 30px;
    height: 30px;
    font-size: 12px;
  }

  .field-row {
    flex-direction: column;
    gap: 0;
  }

  .logo h1 {
    font-size: 22px;
  }

  .score-display {
    text-align: left;
  }

  .result-card-header {
    flex-direction: column;
  }
}