/* Reset and base */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
:root {
  --green-900: #1B4332;
  --green-800: #2D6A4F;
  --green-700: #40916C;
  --green-500: #52B788;
  --green-300: #95D5B2;
  --green-100: #D8F3DC;
  --sand-50: #FAFAF5;
  --sand-100: #F3F0E8;
  --sand-200: #E8E2D4;
  --sand-400: #B8AD9A;
  --sand-600: #7A7165;
  --sand-800: #3D3629;
  --red-500: #E05252;
  --red-100: #FDE8E8;
  --radius: 12px;
  --shadow: 0 2px 8px rgba(27, 67, 50, 0.08);
  --shadow-lg: 0 8px 24px rgba(27, 67, 50, 0.12);
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}
html { scroll-behavior: smooth; }
body {
  font-family: var(--font);
  line-height: 1.6;
  color: var(--sand-800);
  background: var(--sand-50);
}
.container {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Header */
.site-header {
  background: var(--green-900);
  padding: 14px 0;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: var(--shadow);
}
.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: #fff;
  font-weight: 700;
  font-size: 1.1rem;
}
.brand-icon { flex-shrink: 0; }
.site-nav {
  display: flex;
  gap: 20px;
}
.site-nav a {
  color: var(--green-300);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  transition: color 0.15s;
}
.site-nav a:hover, .site-nav a:focus { color: #fff; }

/* Intro */
.intro {
  padding: 48px 0 32px;
  text-align: center;
  max-width: 700px;
  margin: 0 auto;
}
.intro h1 {
  font-size: 2.2rem;
  line-height: 1.25;
  color: var(--green-900);
  margin-bottom: 16px;
}
.lead {
  font-size: 1.1rem;
  color: var(--sand-600);
}

/* Planner grid */
.planner-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
  padding: 16px 0 48px;
}
@media (max-width: 860px) {
  .planner-grid { grid-template-columns: 1fr; }
}
.panel {
  background: #fff;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 28px;
}
.panel h2 {
  font-size: 1.3rem;
  color: var(--green-900);
  margin-bottom: 20px;
}

/* Form */
.field { margin-bottom: 16px; }
.field label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--sand-600);
  margin-bottom: 4px;
}
.field input, .field select {
  width: 100%;
  padding: 10px 14px;
  border: 2px solid var(--sand-200);
  border-radius: 8px;
  font-size: 0.95rem;
  font-family: var(--font);
  color: var(--sand-800);
  background: var(--sand-50);
  transition: border-color 0.15s;
}
.field input:focus, .field select:focus {
  outline: none;
  border-color: var(--green-500);
  box-shadow: 0 0 0 3px rgba(82, 183, 136, 0.2);
}
.field-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}
@media (max-width: 500px) {
  .field-row { grid-template-columns: 1fr; }
}
.preset-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.preset-btn {
  padding: 6px 14px;
  border: 2px solid var(--green-300);
  border-radius: 20px;
  background: var(--green-100);
  color: var(--green-900);
  font-size: 0.82rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.15s;
  font-family: var(--font);
}
.preset-btn:hover { background: var(--green-300); }

/* Buttons */
.btn-primary {
  display: inline-block;
  width: 100%;
  padding: 12px 24px;
  background: var(--green-800);
  color: #fff;
  border: none;
  border-radius: 8px;
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
  font-family: var(--font);
  transition: background 0.15s;
}
.btn-primary:hover { background: var(--green-900); }
.btn-secondary {
  padding: 8px 16px;
  background: var(--sand-100);
  color: var(--sand-800);
  border: 2px solid var(--sand-200);
  border-radius: 8px;
  font-size: 0.82rem;
  font-weight: 600;
  cursor: pointer;
  font-family: var(--font);
  transition: all 0.15s;
}
.btn-secondary:hover { background: var(--sand-200); }
.btn-danger {
  padding: 8px 16px;
  background: var(--red-100);
  color: var(--red-500);
  border: 2px solid #fcc;
  border-radius: 8px;
  font-size: 0.82rem;
  font-weight: 600;
  cursor: pointer;
  font-family: var(--font);
  transition: all 0.15s;
}
.btn-danger:hover { background: #fcc; }
.btn-small {
  padding: 4px 10px;
  font-size: 0.75rem;
  border: 1px solid var(--sand-200);
  border-radius: 6px;
  background: var(--sand-50);
  color: var(--sand-600);
  cursor: pointer;
  font-family: var(--font);
}
.btn-small:hover { background: var(--sand-200); }

/* Output panel */
.output-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 20px;
}
.output-actions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}
.schedule-list { min-height: 120px; }
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  padding: 40px 20px;
  color: var(--sand-400);
  text-align: center;
}

/* Schedule items */
.gear-item {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 12px;
  padding: 16px 0;
  border-bottom: 1px solid var(--sand-200);
  align-items: start;
}
.gear-item:last-child { border-bottom: none; }
.gear-info h3 {
  font-size: 1rem;
  color: var(--green-900);
  margin-bottom: 4px;
}
.gear-meta {
  font-size: 0.82rem;
  color: var(--sand-600);
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}
.gear-date {
  text-align: right;
}
.gear-date .next-date {
  font-size: 1.1rem;
  font-weight: 700;
  display: block;
}
.gear-date .next-date.overdue { color: var(--red-500); }
.gear-date .next-date.soon { color: #D4A017; }
.gear-date .next-date.ok { color: var(--green-700); }
.gear-date .product-type {
  font-size: 0.75rem;
  color: var(--sand-600);
  display: block;
  margin-top: 2px;
}
.gear-actions {
  display: flex;
  gap: 6px;
  justify-content: flex-end;
  margin-top: 8px;
}

/* Summary stats */
.summary-stats {
  display: flex;
  gap: 24px;
  padding: 16px 0 4px;
  border-top: 2px solid var(--green-100);
  margin-top: 8px;
}
.stat { text-align: center; }
.stat-value {
  display: block;
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--green-900);
}
.stat-label {
  font-size: 0.78rem;
  color: var(--sand-600);
}

/* Guide */
.guide { padding: 16px 0 48px; }
.guide h2 {
  font-size: 1.6rem;
  color: var(--green-900);
  margin-bottom: 24px;
}
.guide-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}
@media (max-width: 700px) {
  .guide-grid { grid-template-columns: 1fr; }
}
.guide-card {
  background: #fff;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 24px;
}
.guide-card h3 {
  font-size: 1.05rem;
  color: var(--green-900);
  margin-bottom: 10px;
}
.guide-card p, .guide-card li {
  font-size: 0.92rem;
  color: var(--sand-600);
}
.guide-card ul { padding-left: 20px; }
.guide-card li { margin-bottom: 6px; }
.product-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.88rem;
}
.product-table th {
  text-align: left;
  padding: 8px 12px;
  background: var(--green-100);
  color: var(--green-900);
}
.product-table td {
  padding: 8px 12px;
  border-bottom: 1px solid var(--sand-200);
}
.product-table tr:last-child td { border-bottom: none; }

/* FAQ */
.faq { padding: 16px 0 64px; }
.faq h2 {
  font-size: 1.6rem;
  color: var(--green-900);
  margin-bottom: 20px;
}
.faq details {
  background: #fff;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 18px 24px;
  margin-bottom: 12px;
}
.faq summary {
  font-weight: 700;
  color: var(--green-999, var(--green-900));
  cursor: pointer;
  font-size: 0.95rem;
  list-style: none;
  display: flex;
  align-items: center;
  gap: 8px;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::before {
  content: "+";
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--green-500);
  flex-shrink: 0;
}
.faq details[open] summary::before { content: "−"; }
.faq details p {
  margin-top: 10px;
  font-size: 0.92rem;
  color: var(--sand-600);
}

/* Footer */
.site-footer {
  background: var(--green-900);
  color: var(--green-300);
  padding: 28px 0;
  text-align: center;
  font-size: 0.85rem;
}
.site-footer a { color: var(--green-300); }
.site-footer a:hover { color: #fff; }
.site-footer p { margin-bottom: 6px; }

/* Print styles */
@media print {
  .site-header, .site-footer, .panel-input, .output-actions, .gear-actions, .btn-primary, .btn-secondary, .btn-danger, .btn-small, .faq { display: none !important; }
  .planner-grid { grid-template-columns: 1fr; }
  .panel { box-shadow: none; border: 1px solid #ccc; }
  body { background: #fff; }
}

/* Toast */
.toast {
  position: fixed;
  bottom: 24px;
  right: 24px;
  background: var(--green-900);
  color: #fff;
  padding: 12px 20px;
  border-radius: 8px;
  font-size: 0.88rem;
  box-shadow: var(--shadow-lg);
  z-index: 999;
  animation: fadeInUp 0.3s ease;
}
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Responsive */
@media (max-width: 600px) {
  .intro h1 { font-size: 1.6rem; }
  .panel { padding: 20px; }
  .summary-stats { gap: 16px; }
  .stat-value { font-size: 1.2rem; }
}



/* 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;
}