/* LinguaLink Styles */
:root {
  --primary: #2563eb;
  --primary-dark: #1d4ed8;
  --secondary: #059669;
  --accent: #dc2626;
  --bg: #f8fafc;
  --card-bg: #ffffff;
  --text: #1e293b;
  --text-light: #64748b;
  --border: #e2e8f0;
  --shadow: 0 1px 3px rgba(0,0,0,0.1);
  --radius: 8px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
}

.container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }

header {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: white;
  padding: 2rem 0;
  text-align: center;
}

header h1 { margin: 0 0 0.5rem; font-size: 2.5rem; }

tagline { margin: 0; opacity: 0.9; font-size: 1.1rem; }

section {\n  background: var(--card-bg);
  margin: 1.5rem 0;
  padding: 1.5rem;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

h2 { margin-top: 0; color: var(--primary-dark); }

.form-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1rem;
  margin-bottom: 1rem;
}

.form-group { display: flex; flex-direction: column; }
.form-group.full-width { grid-column: 1 / -1; }

label { margin-bottom: 0.5rem; font-weight: 500; }

select, input, button {
  padding: 0.75rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font: inherit;
}

select:focus, input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.primary-button {
  background: var(--primary);
  color: white;
  border: none;
  padding: 1rem 2rem;
  font-size: 1rem;
  cursor: pointer;
  border-radius: var(--radius);
  width: 100%;
  margin-top: 1rem;
}

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

.secondary-button {
  background: var(--secondary);
  color: white;
  border: none;
  padding: 0.75rem 1.5rem;
  cursor: pointer;
  border-radius: var(--radius);\n}

.text-button {\
  background: none;
  border: none;
  color: var(--accent);
  cursor: pointer;
  padding: 0;
  font: inherit;
  text-decoration: underline;
}

.checkbox-group, .radio-group {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  padding: 0.5rem 0;
}

.checkbox-group label, .radio-group label {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin: 0;
  font-weight: normal;
}

.availability-grid {
  display: grid;
  grid-template-columns: repeat(8, 1fr);
  gap: 0.5rem;
  text-align: center;
}

.day-header {
  font-weight: 600;
  padding: 0.5rem;
  background: var(--bg);
  border-radius: var(--radius);
}

.partners-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1rem;
}

.partner-card {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem;
  background: var(--card-bg);
}

.partner-card h3 { margin: 0 0 0.5rem; }

.partner-meta { font-size: 0.9rem; color: var(--text-light); }

.match-score { color: var(--secondary); font-weight: 600; }

.topics-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: 0.75rem;
}

.topic-item {
  padding: 0.75rem;
  background: var(--bg);
  border-radius: var(--radius);
  cursor: pointer;
}

.topic-item:hover { background: var(--border); }

.hidden { display: none; }

.empty-state { color: var(--text-light); font-style: italic; }

.session-form {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.saved-sessions h3 { margin-top: 0; }

session-item {
  padding: 0.75rem;
  background: var(--bg);
  border-radius: var(--radius);
  margin-bottom: 0.5rem;
}

.level-indicator { color: var(--primary); font-weight: 500; }

support-content h2 { margin-top: 0; }

support-content p { margin-bottom: 1rem; }

footer {
  background: var(--text);
  color: white;
  text-align: center;
  padding: 1.5rem 0;
  margin-top: 2rem;
}

footer a { color: #93c5fd; }

@media (max-width: 768px) {
  header h1 { font-size: 1.75rem; }
  .availability-grid {
    grid-template-columns: repeat(4, 1fr);
  }
  .day-header:nth-child(5), .day-header:nth-child(6), .day-header:nth-child(7), .day-header:nth-child(8) {
    display: none;
  }
}

@media (max-width: 480px) {
  .form-grid {
    grid-template-columns: 1fr;
  }
  .availability-grid {
    grid-template-columns: 1fr;
  }
}


/* 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;
}