/* Weather Layer Planner - Main Stylesheet */

:root {
  --color-primary: #2563EB;
  --color-primary-dark: #1d4ed8;
  --color-primary-light: #dbeafe;
  --color-secondary: #059669;
  --color-secondary-dark: #047857;
  --color-warning: #d97706;
  --color-danger: #dc2626;
  --color-success: #16a34a;
  --color-gray-50: #f9fafb;
  --color-gray-100: #f3f4f6;
  --color-gray-200: #e5e7eb;
  --color-gray-300: #d1d5db;
  --color-gray-400: #9ca3af;
  --color-gray-500: #6b7280;
  --color-gray-600: #4b5563;
  --color-gray-700: #374151;
  --color-gray-800: #1f2937;
  --color-gray-900: #111827;
  --color-white: #ffffff;
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow: 0 1px 3px 0 rgb(0 0 0 / 0.1), 0 1px 2px -1px rgb(0 0 0 / 0.1);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
  --radius-sm: 0.375rem;
  --radius: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
  line-height: 1.6;
  color: var(--color-gray-800);
  background-color: var(--color-gray-50);
}

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* Header */
.site-header {
  background: var(--color-white);
  border-bottom: 1px solid var(--color-gray-200);
  position: sticky;
  top: 0;
  z-index: 100;
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  color: var(--color-gray-900);
  font-weight: 700;
  font-size: 1.125rem;
}

.main-nav {
  display: flex;
  gap: 1.5rem;
}

.main-nav a {
  text-decoration: none;
  color: var(--color-gray-600);
  font-weight: 500;
  transition: color 0.2s;
}

.main-nav a:hover {
  color: var(--color-primary);
}

/* Hero */
.hero {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
  color: var(--color-white);
  padding: 4rem 0;
  text-align: center;
}

.hero h1 {
  font-size: 2.5rem;
  font-weight: 800;
  margin-bottom: 1rem;
  line-height: 1.2;
}

.hero .subtitle {
  font-size: 1.25rem;
  opacity: 0.9;
  max-width: 600px;
  margin: 0 auto;
}

/* Planner Section */
.planner-section {
  padding: 3rem 0;
}

.planner-grid {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 2rem;
  align-items: start;
}

.planner-form {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: 2rem;
  box-shadow: var(--shadow-md);
}

.planner-form h2 {
  font-size: 1.5rem;
  margin-bottom: 1.5rem;
  color: var(--color-gray-900);
}

.planner-form h3 {
  font-size: 1.125rem;
  margin: 1.5rem 0 1rem;
  color: var(--color-gray-700);
  padding-top: 1rem;
  border-top: 1px solid var(--color-gray-200);
}

.form-group {
  margin-bottom: 1rem;
}

.form-group label {
  display: block;
  font-weight: 500;
  margin-bottom: 0.375rem;
  color: var(--color-gray-700);
  font-size: 0.875rem;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 0.625rem 0.875rem;
  border: 1px solid var(--color-gray-300);
  border-radius: var(--radius);
  font-size: 1rem;
  transition: border-color 0.2s, box-shadow 0.2s;
  background: var(--color-white);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-light);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.checkbox-group {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 0.75rem;
}

.checkbox-label {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  cursor: pointer;
  font-size: 0.875rem;
}

.checkbox-label input[type="checkbox"] {
  width: 1.125rem;
  height: 1.125rem;
  accent-color: var(--color-primary);
}

.button-group {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.5rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.625rem 1.25rem;
  border-radius: var(--radius);
  font-weight: 500;
  font-size: 0.875rem;
  cursor: pointer;
  transition: all 0.2s;
  border: 1px solid transparent;
}

.btn-primary {
  background: var(--color-primary);
  color: var(--color-white);
}

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

.btn-secondary {
  background: var(--color-white);
  color: var(--color-gray-700);
  border-color: var(--color-gray-300);
}

.btn-secondary:hover {
  background: var(--color-gray-50);
  border-color: var(--color-gray-400);
}

.btn-preset {
  background: var(--color-primary-light);
  color: var(--color-primary-dark);
  font-size: 0.8125rem;
  padding: 0.5rem 0.875rem;
}

.btn-preset:hover {
  background: var(--color-primary);
  color: var(--color-white);
}

/* Sidebar */
.planner-sidebar {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  position: sticky;
  top: 80px;
}

.preset-panel,
.tips-panel,
.saved-plans {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  box-shadow: var(--shadow);
}

.preset-panel h3,
.tips-panel h3,
.saved-plans h3 {
  font-size: 1rem;
  margin-bottom: 1rem;
  color: var(--color-gray-900);
}

.preset-buttons {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.tips-panel ul {
  list-style: none;
  font-size: 0.875rem;
  color: var(--color-gray-600);
}

.tips-panel li {
  padding: 0.375rem 0;
  padding-left: 1.25rem;
  position: relative;
}

.tips-panel li::before {
  content: "•";
  position: absolute;
  left: 0;
  color: var(--color-primary);
  font-weight: bold;
}

.empty-state {
  color: var(--color-gray-500);
  font-size: 0.875rem;
  font-style: italic;
}

.saved-plan-item {
  padding: 0.75rem;
  background: var(--color-gray-50);
  border-radius: var(--radius);
  margin-bottom: 0.5rem;
  cursor: pointer;
  transition: background 0.2s;
}

.saved-plan-item:hover {
  background: var(--color-gray-100);
}

.saved-plan-item .plan-name {
  font-weight: 500;
  font-size: 0.875rem;
  color: var(--color-gray-900);
}

.saved-plan-item .plan-date {
  font-size: 0.75rem;
  color: var(--color-gray-500);
}

/* Results Section */
.results-section {
  padding: 2rem 0 3rem;
  background: var(--color-white);
  border-top: 1px solid var(--color-gray-200);
}

.results-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 2rem;
}

.results-header h2 {
  font-size: 1.5rem;
  color: var(--color-gray-900);
}

.results-actions {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.results-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
  margin-bottom: 2rem;
}

.result-card {
  background: var(--color-gray-50);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  border: 1px solid var(--color-gray-200);
}

.result-card h3 {
  font-size: 1rem;
  color: var(--color-gray-700);
  margin-bottom: 1rem;
}

.score-display {
  text-align: center;
  padding: 1rem 0;
}

.score-value {
  display: block;
  font-size: 3rem;
  font-weight: 800;
  line-height: 1;
}

.score-value.go {
  color: var(--color-success);
}

.score-value.caution {
  color: var(--color-warning);
}

.score-value.no-go {
  color: var(--color-danger);
}

.score-label {
  display: block;
  margin-top: 0.5rem;
  font-size: 0.875rem;
  color: var(--color-gray-600);
}

.score-bar {
  height: 8px;
  background: var(--color-gray-200);
  border-radius: 4px;
  overflow: hidden;
  margin-top: 1rem;
}

.score-fill {
  height: 100%;
  border-radius: 4px;
  transition: width 0.5s ease, background 0.5s ease;
  width: 0%;
}

.score-fill.go {
  background: var(--color-success);
}

.score-fill.caution {
  background: var(--color-warning);
}

.score-fill.no-go {
  background: var(--color-danger);
}

.conditions-card dl {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.5rem 1rem;
  font-size: 0.875rem;
}

.conditions-card dt {
  color: var(--color-gray-500);
  font-weight: 500;
}

.conditions-card dd {
  color: var(--color-gray-900);
}

.checklist-card ul,
.warnings-card ul {
  list-style: none;
  font-size: 0.875rem;
}

.checklist-card li,
.warnings-card li {
  padding: 0.5rem 0;
  padding-left: 1.5rem;
  position: relative;
  border-bottom: 1px solid var(--color-gray-200);
}

.checklist-card li:last-child,
.warnings-card li:last-child {
  border-bottom: none;
}

.checklist-card li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--color-success);
  font-weight: bold;
}

.warnings-card li::before {
  content: "!";
  position: absolute;
  left: 0;
  color: var(--color-warning);
  font-weight: bold;
}

.result-notes {
  background: var(--color-gray-50);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  border: 1px solid var(--color-gray-200);
}

.result-notes h3 {
  font-size: 1rem;
  margin-bottom: 0.5rem;
  color: var(--color-gray-700);
}

.result-notes p {
  color: var(--color-gray-600);
  font-size: 0.875rem;
}

/* Info Section */
.info-section {
  padding: 3rem 0;
}

.info-section h2 {
  font-size: 1.75rem;
  text-align: center;
  margin-bottom: 2rem;
  color: var(--color-gray-900);
}

.info-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
  margin-bottom: 3rem;
}

.info-card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  box-shadow: var(--shadow);
  text-align: center;
}

.info-icon {
  width: 48px;
  height: 48px;
  background: var(--color-primary-light);
  color: var(--color-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1rem;
}

.info-card h3 {
  font-size: 1.125rem;
  margin-bottom: 0.5rem;
  color: var(--color-gray-900);
}

.info-card p {
  color: var(--color-gray-600);
  font-size: 0.875rem;
}

.common-mistakes {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: 2rem;
  box-shadow: var(--shadow);
}

.common-mistakes h3 {
  font-size: 1.25rem;
  margin-bottom: 1rem;
  color: var(--color-gray-900);
}

.common-mistakes ul {
  list-style: none;
}

.common-mistakes li {
  padding: 0.75rem 0;
  padding-left: 1.5rem;
  position: relative;
  border-bottom: 1px solid var(--color-gray-200);
  font-size: 0.9375rem;
}

.common-mistakes li:last-child {
  border-bottom: none;
}

.common-mistakes li::before {
  content: "→";
  position: absolute;
  left: 0;
  color: var(--color-primary);
  font-weight: bold;
}

/* Assumptions Section */
.assumptions-section {
  padding: 2rem 0 3rem;
  background: var(--color-gray-100);
}

.assumptions-section h2 {
  font-size: 1.25rem;
  margin-bottom: 1rem;
  color: var(--color-gray-900);
}

.assumptions-section p {
  color: var(--color-gray-600);
  font-size: 0.9375rem;
  margin-bottom: 1rem;
}

.last-updated {
  font-size: 0.8125rem;
  color: var(--color-gray-500);
}

/* Footer */
.site-footer {
  background: var(--color-gray-900);
  color: var(--color-gray-300);
  padding: 2rem 0;
}

.footer-grid {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 1rem;
}

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

.footer-brand p {
  font-size: 0.875rem;
  color: var(--color-gray-400);
}

.footer-nav {
  display: flex;
  gap: 1.5rem;
}

.footer-nav a {
  color: var(--color-gray-400);
  text-decoration: none;
  font-size: 0.875rem;
  transition: color 0.2s;
}

.footer-nav a:hover {
  color: var(--color-white);
}

.footer-note {
  font-size: 0.8125rem;
  color: var(--color-gray-500);
  text-align: center;
  padding-top: 1rem;
  border-top: 1px solid var(--color-gray-800);
}

.footer-note a {
  color: var(--color-gray-400);
  text-decoration: none;
}

.footer-note a:hover {
  color: var(--color-white);
}

/* Print Styles */
@media print {
  .site-header,
  .site-footer,
  .planner-form,
  .planner-sidebar,
  .results-actions,
  .info-section,
  .assumptions-section {
    display: none !important;
  }

  .results-section {
    display: block !important;
    border: none;
    padding: 0;
  }

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

  body {
    background: white;
    color: black;
  }
}

/* Responsive */
@media (max-width: 900px) {
  .planner-grid {
    grid-template-columns: 1fr;
  }

  .planner-sidebar {
    position: static;
  }

  .hero h1 {
    font-size: 2rem;
  }

  .hero .subtitle {
    font-size: 1.125rem;
  }
}

@media (max-width: 600px) {
  .container {
    padding: 0 1rem;
  }

  .hero {
    padding: 2.5rem 0;
  }

  .hero h1 {
    font-size: 1.75rem;
  }

  .planner-form {
    padding: 1.5rem;
  }

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

  .checkbox-group {
    grid-template-columns: 1fr;
  }

  .results-header {
    flex-direction: column;
    align-items: flex-start;
  }

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

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

  .footer-grid {
    flex-direction: column;
    text-align: center;
  }

  .footer-nav {
    flex-wrap: wrap;
    justify-content: center;
  }
}

/* Focus styles for accessibility */
:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  html {
    scroll-behavior: auto;
  }
}


/* 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;
}