/* DateSprout: Low-Cost Date Night Planner */
:root {
  --green-900: #2d4a35;
  --green-700: #4a7c59;
  --green-500: #6ba37a;
  --green-100: #e8f0ec;
  --green-50: #f5f9f6;
  --gold-500: #f2c14e;
  --gold-100: #fef8e7;
  --coral-500: #e8967a;
  --coral-100: #fdf0ec;
  --gray-900: #1a1a2e;
  --gray-700: #4a4a5a;
  --gray-500: #7a7a8a;
  --gray-300: #c8c8d0;
  --gray-100: #f0f0f4;
  --white: #ffffff;
  --radius: 12px;
  --radius-sm: 8px;
  --shadow: 0 2px 12px rgba(0,0,0,0.08);
  --shadow-lg: 0 8px 32px rgba(0,0,0,0.12);
  --font: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --max-width: 1100px;
}

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

html { font-size: 16px; scroll-behavior: smooth; }

body {
  font-family: var(--font);
  color: var(--gray-900);
  background: var(--green-50);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

a { color: var(--green-700); text-decoration: underline; text-underline-offset: 2px; }
a:hover { color: var(--green-900); }

img, svg { max-width: 100%; height: auto; }

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

/* Header */
.site-header {
  background: var(--white);
  border-bottom: 1px solid var(--gray-100);
  position: sticky; top: 0; z-index: 100;
}
.header-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0.75rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}
.logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  text-decoration: none;
  color: var(--green-900);
  font-weight: 700;
  font-size: 1.25rem;
}
.logo:hover { color: var(--green-700); }
.site-nav {
  display: flex;
  gap: 1.5rem;
  font-size: 0.95rem;
}
.site-nav a { color: var(--gray-700); text-decoration: none; }
.site-nav a:hover { color: var(--green-700); }

/* Hero */
.hero {
  background: linear-gradient(135deg, var(--green-700) 0%, var(--green-900) 100%);
  color: var(--white);
  padding: 3.5rem 1.5rem;
  text-align: center;
}
.hero-content { max-width: 640px; margin: 0 auto; }
.hero h1 {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 1rem;
}
.hero-sub {
  font-size: 1.1rem;
  opacity: 0.9;
  max-width: 480px;
  margin: 0 auto;
}

/* Planner Section */
.planner-section {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 2rem 1.5rem;
  width: 100%;
}
.planner-layout {
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: 2rem;
  align-items: start;
}

/* Controls Panel */
.controls-panel {
  background: var(--white);
  border-radius: var(--radius);
  padding: 1.5rem;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  position: sticky;
  top: 5rem;
}
.control-group { display: flex; flex-direction: column; gap: 0.5rem; }
.control-label {
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--gray-700);
}

/* Season Tabs */
.season-tabs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.5rem;
}
.season-tab {
  padding: 0.6rem 0.5rem;
  border: 2px solid var(--gray-300);
  border-radius: var(--radius-sm);
  background: var(--white);
  cursor: pointer;
  font-size: 0.85rem;
  font-weight: 500;
  text-align: center;
  transition: all 0.15s;
}
.season-tab:hover { border-color: var(--green-500); }
.season-tab.active {
  border-color: var(--green-700);
  background: var(--green-100);
  color: var(--green-900);
}

/* Budget Slider */
input[type="range"] {
  width: 100%;
  accent-color: var(--green-700);
  height: 6px;
}
.control-hint {
  font-size: 0.8rem;
  color: var(--gray-500);
}

/* Energy & Group Options */
.energy-options, .group-options {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}
.energy-option, .group-option {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  cursor: pointer;
  padding: 0.4rem;
  border-radius: var(--radius-sm);
  transition: background 0.15s;
}
.energy-option:hover, .group-option:hover { background: var(--green-50); }
.energy-option input, .group-option input {
  accent-color: var(--green-700);
}
.energy-chip, .group-chip {
  display: inline-block;
  padding: 0.2rem 0.6rem;
  border-radius: 999px;
  font-size: 0.8rem;
  font-weight: 600;
  background: var(--green-100);
  color: var(--green-900);
}
.energy-desc {
  font-size: 0.75rem;
  color: var(--gray-500);
  margin-left: auto;
}

/* Buttons */
.btn-primary {
  background: var(--green-700);
  color: var(--white);
  border: none;
  padding: 0.85rem 1.5rem;
  border-radius: var(--radius-sm);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.15s, transform 0.1s;
}
.btn-primary:hover { background: var(--green-900); }
.btn-primary:active { transform: scale(0.98); }
.btn-secondary {
  background: var(--white);
  color: var(--green-700);
  border: 2px solid var(--green-700);
  padding: 0.6rem 1.2rem;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.15s;
}
.btn-secondary:hover { background: var(--green-100); }
.btn-text {
  background: none;
  border: none;
  color: var(--green-700);
  text-decoration: underline;
  cursor: pointer;
  font-size: 0.85rem;
  padding: 0;
}

/* Saved Plan */
.saved-plan {
  padding: 0.75rem;
  background: var(--gold-100);
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
}

/* Results Area */
.results-area { min-height: 200px; }
.results-placeholder {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  padding: 3rem 1rem;
  color: var(--gray-500);
  text-align: center;
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.results-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.25rem;
}

/* Date Idea Card */
.date-idea-card {
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  transition: transform 0.15s, box-shadow 0.15s;
  cursor: pointer;
  border: 2px solid transparent;
}
.date-idea-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}
.date-idea-card.selected {
  border-color: var(--green-700);
}
.card-emoji { font-size: 2rem; }
.card-title { font-size: 1.15rem; font-weight: 700; }
.card-cost {
  display: inline-block;
  padding: 0.2rem 0.6rem;
  border-radius: 999px;
  font-size: 0.8rem;
  font-weight: 600;
  background: var(--gold-100);
  color: var(--gray-700);
}
.card-badge {
  display: inline-block;
  padding: 0.15rem 0.5rem;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 600;
  background: var(--coral-100);
  color: var(--coral-500);
}
.card-desc { font-size: 0.9rem; color: var(--gray-700); }
.card-packing {
  font-size: 0.85rem;
  padding: 0.5rem;
  background: var(--green-50);
  border-radius: var(--radius-sm);
}
.card-packing strong { color: var(--green-700); }
.card-why {
  font-size: 0.85rem;
  font-style: italic;
  color: var(--gray-500);
}

/* Print Card Section */
.print-card-section {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 2rem 1.5rem;
  width: 100%;
}
.date-card {
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  max-width: 480px;
  margin: 1.5rem auto;
  overflow: hidden;
  border: 2px solid var(--green-700);
}
.date-card-header {
  background: var(--green-700);
  color: var(--white);
  padding: 1.25rem 1.5rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}
.date-card-icon { font-size: 1.75rem; }
.date-card-header h3 { font-size: 1.25rem; font-weight: 700; }
.date-card-body { padding: 1.25rem 1.5rem; display: flex; flex-direction: column; gap: 0.5rem; }
.date-card-body p { font-size: 0.95rem; }
.date-card-footer {
  padding: 0.75rem 1.5rem;
  background: var(--green-50);
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}
.date-card-tag {
  padding: 0.2rem 0.6rem;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 600;
  background: var(--green-100);
  color: var(--green-900);
}
.card-actions {
  display: flex;
  gap: 0.75rem;
  justify-content: center;
  flex-wrap: wrap;
  margin-top: 1rem;
}

/* Guide Section */
.guide-section {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 2rem 1.5rem;
  width: 100%;
}
.guide-section h2 {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
  color: var(--green-900);
}
.guide-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 1.25rem;
}
.guide-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 1.25rem;
  box-shadow: var(--shadow);
}
.guide-card h3 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  color: var(--green-700);
}
.guide-card p { font-size: 0.9rem; color: var(--gray-700); }

/* Assumptions */
.assumptions-section {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem 2rem;
  width: 100%;
}
.assumptions-section details {
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 1rem 1.25rem;
}
.assumptions-section summary {
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
}
.assumptions-section summary::-webkit-details-marker { display: none; }
.assumptions-section summary h2 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--gray-500);
}
.assumptions-section summary::after {
  content: '+';
  margin-left: auto;
  font-size: 1.25rem;
  color: var(--gray-500);
}
.assumptions-section details[open] summary::after { content: '−'; }
.details-body {
  padding-top: 0.75rem;
  font-size: 0.85rem;
  color: var(--gray-700);
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

/* Footer */
.site-footer {
  margin-top: auto;
  background: var(--gray-900);
  color: var(--gray-300);
  padding: 2rem 1.5rem;
}
.footer-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  text-align: center;
  font-size: 0.85rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}
.footer-inner a { color: var(--green-500); }
.footer-inner a:hover { color: var(--gold-500); }
.footer-nav {
  display: flex;
  justify-content: center;
  gap: 1.5rem;
  flex-wrap: wrap;
}

/* Toast */
.toast {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  background: var(--green-900);
  color: var(--white);
  padding: 0.75rem 1.25rem;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  box-shadow: var(--shadow-lg);
  z-index: 200;
  animation: fadeIn 0.3s;
}
@keyframes fadeIn { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: translateY(0); } }

/* Print */
@media print {
  .site-header, .site-footer, .planner-section, .guide-section, .assumptions-section, .card-actions, .hero { display: none !important; }
  .print-card-section { display: block !important; padding: 0; }
  .date-card { box-shadow: none; border: 2px solid #333; max-width: 100%; }
  body { background: #fff; }
}

/* Responsive */
@media (max-width: 768px) {
  .planner-layout { grid-template-columns: 1fr; }
  .controls-panel { position: static; }
  .hero { padding: 2.5rem 1rem; }
  .header-inner { padding: 0.6rem 1rem; }
  .site-nav { gap: 1rem; font-size: 0.85rem; }
  .results-grid { grid-template-columns: 1fr; }
  .guide-grid { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
  .season-tabs { grid-template-columns: 1fr 1fr; }
  .energy-desc { display: none; }
  .card-actions { flex-direction: column; align-items: center; }
}



/* 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;
}