/* IceBreak: Meetup Activity Picker - Styles */

:root {
  --color-bg: #F7F9FC;
  --color-surface: #FFFFFF;
  --color-surface-alt: #EEF2F8;
  --color-primary: #4F86C8;
  --color-primary-dark: #3A6BA8;
  --color-primary-light: #E8F0FE;
  --color-accent: #F5A623;
  --color-text: #1E2A3A;
  --color-text-secondary: #5A6B7F;
  --color-text-muted: #8A9BB0;
  --color-border: #D4DDE8;
  --color-success: #34A853;
  --color-error: #EA4335;
  --color-focus: #4F86C8;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --shadow-sm: 0 1px 3px rgba(30, 42, 58, 0.08);
  --shadow-md: 0 4px 12px rgba(30, 42, 58, 0.1);
  --shadow-lg: 0 8px 24px rgba(30, 42, 58, 0.12);
  --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  --max-width: 800px;
  --transition: 0.2s ease;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  color: var(--color-text);
  background: var(--color-bg);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--transition);
}

a:hover {
  color: var(--color-primary-dark);
  text-decoration: underline;
}

a:focus-visible, button:focus-visible, select:focus-visible, input:focus-visible {
  outline: 2px solid var(--color-focus);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

.skip-link {
  position: absolute;
  top: -100%;
  left: 16px;
  background: var(--color-primary);
  color: #fff;
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  z-index: 100;
  font-weight: 600;
}

.skip-link:focus {
  top: 16px;
}

.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 20px;
}

/* Header */
.site-header {
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  padding: 12px 0;
  position: sticky;
  top: 0;
  z-index: 50;
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--color-text);
  text-decoration: none;
}

.logo:hover {
  text-decoration: none;
  color: var(--color-text);
}

.logo-text {
  letter-spacing: -0.02em;
}

.site-nav {
  display: flex;
  gap: 20px;
  align-items: center;
}

.site-nav a {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--color-text-secondary);
  text-decoration: none;
}

.site-nav a:hover {
  color: var(--color-primary);
  text-decoration: none;
}

/* Hero */
.hero {
  padding: 48px 0 32px;
  text-align: center;
}

.hero h1 {
  font-size: 2rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.2;
  margin-bottom: 12px;
  color: var(--color-text);
}

.hero-sub {
  font-size: 1.1rem;
  color: var(--color-text-secondary);
  max-width: 560px;
  margin: 0 auto;
}

/* Section headings */
.section-heading {
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 20px;
}

/* Picker form */
.picker-section {
  padding: 16px 0 40px;
}

.picker-form {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 28px;
  box-shadow: var(--shadow-sm);
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-bottom: 24px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.form-control {
  appearance: none;
  background: var(--color-bg);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 10px 14px;
  font-size: 1rem;
  font-family: var(--font-sans);
  color: var(--color-text);
  transition: border-color var(--transition), box-shadow var(--transition);
  cursor: pointer;
}

.form-control:hover {
  border-color: var(--color-primary);
}

.form-control:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(79, 134, 200, 0.15);
}

.form-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 10px 22px;
  font-size: 0.95rem;
  font-weight: 600;
  font-family: var(--font-sans);
  border-radius: var(--radius-sm);
  border: 2px solid transparent;
  cursor: pointer;
  transition: all var(--transition);
  text-decoration: none;
  line-height: 1.4;
}

.btn:hover {
  text-decoration: none;
}

.btn-primary {
  background: var(--color-primary);
  color: #fff;
  border-color: var(--color-primary);
}

.btn-primary:hover {
  background: var(--color-primary-dark);
  border-color: var(--color-primary-dark);
  color: #fff;
}

.btn-secondary {
  background: var(--color-surface-alt);
  color: var(--color-text);
  border-color: var(--color-border);
}

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

.btn-ghost {
  background: transparent;
  color: var(--color-text-secondary);
  border-color: transparent;
}

.btn-ghost:hover {
  background: var(--color-surface-alt);
  color: var(--color-text);
}

/* Results */
.results-section {
  padding: 0 0 40px;
}

.results-summary {
  color: var(--color-text-secondary);
  margin-bottom: 20px;
  font-size: 0.95rem;
}

.results-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-bottom: 24px;
}

.result-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 24px;
  box-shadow: var(--shadow-sm);
  position: relative;
}

.result-card.rank-1 {
  border-left: 4px solid var(--color-accent);
}

.result-card.rank-2 {
  border-left: 4px solid var(--color-primary);
}

.result-card.rank-3 {
  border-left: 4px solid var(--color-text-muted);
}

.result-rank {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-text-muted);
  margin-bottom: 8px;
}

.result-card.rank-1 .result-rank {
  color: var(--color-accent);
}

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

.result-name {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 6px;
}

.result-meta {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 12px;
}

.result-meta-item {
  font-size: 0.85rem;
  color: var(--color-text-secondary);
  display: flex;
  align-items: center;
  gap: 4px;
}

.result-description {
  color: var(--color-text-secondary);
  margin-bottom: 14px;
  font-size: 0.95rem;
}

.result-steps {
  margin-bottom: 14px;
}

.result-steps h4 {
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--color-text-secondary);
  margin-bottom: 8px;
}

.result-steps ol {
  padding-left: 20px;
}

.result-steps li {
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  margin-bottom: 4px;
}

.result-materials {
  background: var(--color-primary-light);
  border-radius: var(--radius-sm);
  padding: 12px 16px;
  font-size: 0.85rem;
  color: var(--color-text-secondary);
}

.result-materials strong {
  color: var(--color-text);
}

.results-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

/* Tips */
.tips-section {
  padding: 40px 0;
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
}

.tips-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.tip-card {
  background: var(--color-bg);
  border-radius: var(--radius-md);
  padding: 20px;
  border: 1px solid var(--color-border);
}

.tip-card h3 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.tip-card p {
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  line-height: 1.55;
}

/* Mistakes */
.mistakes-section {
  padding: 40px 0;
}

.mistakes-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.mistakes-list li {
  font-size: 0.95rem;
  color: var(--color-text-secondary);
  padding-left: 24px;
  position: relative;
  line-height: 1.55;
}

.mistakes-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 8px;
  width: 8px;
  height: 8px;
  background: var(--color-accent);
  border-radius: 50%;
}

.mistakes-list li strong {
  color: var(--color-text);
}

/* Scenarios */
.scenario-section {
  padding: 40px 0;
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
}

.scenario-grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 20px;
}

.scenario-card {
  background: var(--color-bg);
  border-radius: var(--radius-md);
  padding: 20px;
  border: 1px solid var(--color-border);
}

.scenario-card h3 {
  font-size: 0.95rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.scenario-card p {
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  line-height: 1.55;
}

/* FAQ */
.faq-section {
  padding: 40px 0;
}

.faq-list {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.faq-item {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 20px;
}

.faq-item dt {
  font-size: 0.95rem;
  margin-bottom: 6px;
}

.faq-item dd {
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  line-height: 1.55;
}

/* Footer */
.site-footer {
  margin-top: auto;
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
  padding: 32px 0;
}

.footer-grid {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-brand {
  font-weight: 700;
  font-size: 1rem;
  color: var(--color-text);
}

.footer-tagline {
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

.footer-links {
  display: flex;
  gap: 16px;
  font-size: 0.85rem;
}

.footer-meta {
  font-size: 0.8rem;
  color: var(--color-text-muted);
}

/* Print styles */
@media print {
  .site-header,
  .site-footer,
  .picker-section,
  .tips-section,
  .mistakes-section,
  .scenario-section,
  .faq-section,
  .results-actions,
  .hero {
    display: none !important;
  }

  .results-section {
    display: block !important;
  }

  body {
    background: #fff;
    color: #000;
  }

  .result-card {
    break-inside: avoid;
    border: 1px solid #ccc;
    box-shadow: none;
  }
}

/* Responsive */
@media (max-width: 640px) {
  .hero h1 {
    font-size: 1.5rem;
  }

  .hero-sub {
    font-size: 1rem;
  }

  .form-grid {
    grid-template-columns: 1fr;
  }

  .tips-grid,
  .scenario-grid {
    grid-template-columns: 1fr;
  }

  .picker-form {
    padding: 20px;
  }

  .form-actions {
    flex-direction: column;
  }

  .form-actions .btn {
    width: 100%;
  }

  .results-actions {
    flex-direction: column;
  }

  .results-actions .btn {
    width: 100%;
  }
}

@media (min-width: 641px) and (max-width: 820px) {
  .tips-grid {
    grid-template-columns: 1fr 1fr;
  }

  .scenario-grid {
    grid-template-columns: 1fr 1fr;
  }
}

/* Empty state */
.empty-state {
  text-align: center;
  padding: 40px 20px;
  color: var(--color-text-muted);
}

.empty-state p {
  font-size: 0.95rem;
}

/* Toast notification */
.toast {
  position: fixed;
  bottom: 24px;
  right: 24px;
  background: var(--color-text);
  color: #fff;
  padding: 12px 20px;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  font-weight: 500;
  box-shadow: var(--shadow-lg);
  z-index: 100;
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 0.3s ease, transform 0.3s ease;
  pointer-events: none;
}

.toast.show {
  opacity: 1;
  transform: translateY(0);
}

/* Visually hidden */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}



/* Factory-injected deployment helpers. The AI owns the site design above this block. */
.ad-unit {
  width: min(100%, 720px);
  min-height: 120px;
  margin: 24px auto;
  display: block;
}

.legal-page {
  width: min(900px, calc(100% - 32px));
  margin: 40px auto;
}

.factory-fallback-nav {
  width: min(900px, calc(100% - 32px));
  margin: 24px auto 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px 16px;
  align-items: center;
  font-size: 0.95rem;
}

.factory-fallback-nav a {
  color: inherit;
  text-decoration: none;
  border-bottom: 1px solid currentColor;
}