/* ===== RESET & BASE ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
:root {
  --green-900: #1a3a2a;
  --green-800: #2d5a3f;
  --green-700: #3a6b4e;
  --green-600: #4a7c59;
  --green-500: #5a9c6b;
  --green-400: #7ab88a;
  --green-300: #a8d4b0;
  --green-200: #d4ecd8;
  --green-100: #eef7f0;
  --yellow-600: #c49a20;
  --yellow-500: #e0b030;
  --yellow-400: #f0c040;
  --yellow-100: #fdf6e0;
  --brown-700: #5c3d1e;
  --brown-500: #8b5e3c;
  --brown-300: #c4a882;
  --red-600: #c0392b;
  --gray-900: #1a1a1a;
  --gray-700: #444;
  --gray-500: #777;
  --gray-400: #999;
  --gray-300: #bbb;
  --gray-200: #e0e0e0;
  --gray-100: #f5f5f5;
  --white: #ffffff;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.1);
  --shadow-lg: 0 8px 30px rgba(0,0,0,0.12);
  --max-width: 1200px;
  --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
  --font-serif: Georgia, 'Times New Roman', serif;
}
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-sans);
  color: var(--gray-900);
  background: var(--green-100);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; }
a { color: var(--green-700); text-decoration: none; }
a:hover, a:focus-visible { color: var(--green-900); text-decoration: underline; }

/* ===== HEADER ===== */
.site-header {
  background: var(--green-900);
  color: var(--white);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: var(--shadow-md);
}
.header-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 60px;
}
.logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--white);
  text-decoration: none;
  font-weight: 700;
  font-size: 1.15rem;
}
.logo:hover, .logo:focus-visible { color: var(--yellow-400); text-decoration: none; }
.logo-icon { flex-shrink: 0; }
.main-nav {
  display: flex;
  gap: 1.5rem;
}
.main-nav a {
  color: var(--green-300);
  font-size: 0.9rem;
  font-weight: 500;
  text-decoration: none;
  padding: 0.25rem 0;
  border-bottom: 2px solid transparent;
  transition: color 0.2s, border-color 0.2s;
}
.main-nav a:hover, .main-nav a:focus-visible {
  color: var(--white);
  border-bottom-color: var(--yellow-500);
  text-decoration: none;
}

/* ===== PRINT BANNER ===== */
.print-banner {
  display: none;
  background: var(--yellow-100);
  padding: 0.5rem 1.5rem;
  font-size: 0.8rem;
  color: var(--brown-700);
  text-align: center;
}

/* ===== HERO ===== */
.hero-section {
  background: linear-gradient(135deg, var(--green-800) 0%, var(--green-600) 100%);
  color: var(--white);
  padding: 3.5rem 1.5rem;
}
.hero-content {
  max-width: var(--max-width);
  margin: 0 auto;
}
.hero-content h1 {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 0.75rem;
}
.hero-sub {
  font-size: 1.1rem;
  color: var(--green-200);
  max-width: 640px;
  margin-bottom: 2rem;
  line-height: 1.7;
}
.hero-stats {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}
.stat-card {
  background: rgba(255,255,255,0.12);
  border-radius: var(--radius-md);
  padding: 1rem 1.5rem;
  min-width: 140px;
  backdrop-filter: blur(4px);
}
.stat-number {
  display: block;
  font-size: 2rem;
  font-weight: 800;
  line-height: 1;
}
.stat-label {
  font-size: 0.8rem;
  color: var(--green-200);
  margin-top: 0.25rem;
  display: block;
}

/* ===== WORKSPACE ===== */
.workspace-section {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 2.5rem 1.5rem;
}
.workspace-grid {
  display: grid;
  grid-template-columns: 380px 1fr;
  gap: 2rem;
  align-items: start;
}
.entry-panel {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  box-shadow: var(--shadow-md);
  position: sticky;
  top: 80px;
}
.entry-panel h2 {
  font-size: 1.25rem;
  margin-bottom: 1.25rem;
  color: var(--green-800);
}
.form-row {
  margin-bottom: 1rem;
}
.form-row label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--gray-700);
  margin-bottom: 0.3rem;
}
.form-row input,
.form-row select,
.form-row textarea {
  width: 100%;
  padding: 0.6rem 0.75rem;
  border: 2px solid var(--gray-200);
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  font-family: var(--font-sans);
  background: var(--white);
  transition: border-color 0.2s, box-shadow 0.2s;
}
.form-row input:focus,
.form-row select:focus,
.form-row textarea:focus {
  outline: none;
  border-color: var(--green-500);
  box-shadow: 0 0 0 3px rgba(90,156,107,0.2);
}
.form-row textarea { resize: vertical; }
.form-actions {
  display: flex;
  gap: 0.75rem;
  margin-top: 1.25rem;
}
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background: var(--green-600);
  color: var(--white);
  border: none;
  padding: 0.7rem 1.5rem;
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.2s, transform 0.1s;
  font-family: var(--font-sans);
}
.btn-primary:hover { background: var(--green-700); }
.btn-primary:active { transform: scale(0.98); }
.btn-primary:focus-visible { outline: 3px solid var(--yellow-500); outline-offset: 2px; }
.btn-secondary {
  display: inline-flex;
  align-items: center;
  background: var(--gray-100);
  color: var(--gray-700);
  border: 2px solid var(--gray-200);
  padding: 0.6rem 1.25rem;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  font-weight: 500;
  cursor: pointer;
  transition: background 0.2s;
  font-family: var(--font-sans);
}
.btn-secondary:hover { background: var(--gray-200); }
.btn-secondary:focus-visible { outline: 3px solid var(--yellow-500); outline-offset: 2px; }

.preset-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}
.preset-btn {
  background: var(--green-100);
  border: 1px solid var(--green-300);
  color: var(--green-800);
  padding: 0.3rem 0.7rem;
  border-radius: 20px;
  font-size: 0.8rem;
  cursor: pointer;
  transition: background 0.2s, border-color 0.2s;
  font-family: var(--font-sans);
}
.preset-btn:hover { background: var(--green-200); border-color: var(--green-500); }
.preset-btn:focus-visible { outline: 2px solid var(--yellow-500); outline-offset: 1px; }

.form-feedback {
  margin-top: 0.75rem;
  font-size: 0.85rem;
  min-height: 1.2em;
}
.form-feedback.success { color: var(--green-700); }
.form-feedback.error { color: var(--red-600); }

/* ===== ENTRIES PANEL ===== */
.entries-panel {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  box-shadow: var(--shadow-md);
}
.entries-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 1.25rem;
}
.entries-header h2 {
  font-size: 1.25rem;
  color: var(--green-800);
}
.entries-controls {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  align-items: center;
}
.entries-controls select {
  padding: 0.4rem 0.6rem;
  border: 2px solid var(--gray-200);
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  background: var(--white);
  font-family: var(--font-sans);
}
.entries-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  max-height: 600px;
  overflow-y: auto;
  padding-right: 0.25rem;
}
.entries-list::-webkit-scrollbar { width: 6px; }
.entries-list::-webkit-scrollbar-thumb { background: var(--gray-300); border-radius: 3px; }

.entry-card {
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-md);
  padding: 1rem;
  transition: box-shadow 0.2s, border-color 0.2s;
  position: relative;
}
.entry-card:hover {
  border-color: var(--green-400);
  box-shadow: var(--shadow-sm);
}
.entry-card-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 0.5rem;
  margin-bottom: 0.4rem;
}
.entry-card-species {
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--green-800);
}
.entry-card-meta {
  font-size: 0.8rem;
  color: var(--gray-500);
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
  margin-bottom: 0.4rem;
}
.entry-card-category {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  padding: 0.1rem 0.5rem;
  border-radius: 10px;
  background: var(--green-100);
  color: var(--green-700);
}
.entry-card-category.insect { background: #fff3cd; color: #856404; }
.entry-card-category.plant { background: #d4edda; color: #155724; }
.entry-card-category.mammal { background: #e2d5f1; color: #5a3d7a; }
.entry-card-category.other { background: #d1ecf1; color: #0c5460; }
.entry-card-notes {
  font-size: 0.9rem;
  color: var(--gray-700);
  margin-top: 0.3rem;
}
.entry-card-delete {
  background: none;
  border: none;
  color: var(--gray-400);
  cursor: pointer;
  font-size: 1.1rem;
  padding: 0.2rem;
  line-height: 1;
  border-radius: 4px;
  transition: color 0.2s;
}
.entry-card-delete:hover { color: var(--red-600); }
.entry-card-delete:focus-visible { outline: 2px solid var(--yellow-500); outline-offset: 1px; }

.empty-state {
  text-align: center;
  padding: 3rem 1rem;
  color: var(--gray-500);
}
.empty-state p { margin-top: 0.75rem; }
.empty-hint { font-size: 0.85rem; color: var(--gray-400); }

/* ===== SNAPSHOT ===== */
.snapshot-section {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 2.5rem 1.5rem;
}
.snapshot-section h2 { font-size: 1.5rem; color: var(--green-800); margin-bottom: 0.25rem; }
.section-sub { color: var(--gray-500); margin-bottom: 1.5rem; }
.snapshot-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
}
.snapshot-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  box-shadow: var(--shadow-sm);
  text-align: center;
  border-top: 4px solid var(--green-400);
}
.snapshot-card[data-season="spring"] { border-top-color: #7ab88a; }
.snapshot-card[data-season="summer"] { border-top-color: var(--yellow-500); }
.snapshot-card[data-season="fall"] { border-top-color: var(--brown-500); }
.snapshot-card[data-season="winter"] { border-top-color: #8eb8d4; }
.snapshot-card h3 { font-size: 1rem; color: var(--gray-700); margin-bottom: 0.5rem; }
.snapshot-count { font-size: 2.5rem; font-weight: 800; color: var(--green-800); line-height: 1; }
.snapshot-species { font-size: 0.8rem; color: var(--gray-500); margin-top: 0.5rem; min-height: 1.2em; }

/* ===== POSTER ===== */
.poster-section {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 2.5rem 1.5rem;
}
.poster-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 1.5rem;
}
.poster-header h2 { font-size: 1.5rem; color: var(--green-800); }
.poster-preview {
  background: var(--white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  overflow: hidden;
}
.poster-inner {
  padding: 2.5rem;
  border: 3px solid var(--green-800);
  border-radius: var(--radius-lg);
}
.poster-title-block {
  text-align: center;
  margin-bottom: 2rem;
  padding-bottom: 1.5rem;
  border-bottom: 2px solid var(--green-200);
}
.poster-title-block h3 {
  font-size: 1.8rem;
  color: var(--green-800);
  font-family: var(--font-serif);
}
.poster-subtitle {
  color: var(--gray-500);
  font-size: 0.95rem;
  margin-top: 0.25rem;
}
.poster-body {
  min-height: 100px;
}
.poster-empty {
  text-align: center;
  color: var(--gray-400);
  padding: 3rem 1rem;
  font-style: italic;
}
.poster-season-row {
  margin-bottom: 1.5rem;
}
.poster-season-row h4 {
  font-size: 1.1rem;
  color: var(--green-700);
  margin-bottom: 0.5rem;
  border-bottom: 1px solid var(--green-200);
  padding-bottom: 0.25rem;
}
.poster-species-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}
.poster-species-tag {
  background: var(--green-100);
  color: var(--green-800);
  padding: 0.2rem 0.7rem;
  border-radius: 20px;
  font-size: 0.85rem;
}
.poster-species-tag .count {
  color: var(--gray-500);
  font-size: 0.75rem;
  margin-left: 0.2rem;
}
.poster-footer {
  display: flex;
  justify-content: space-between;
  margin-top: 2rem;
  padding-top: 1rem;
  border-top: 2px solid var(--green-200);
  font-size: 0.75rem;
  color: var(--gray-400);
}

/* ===== EXAMPLES ===== */
.examples-section {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 2.5rem 1.5rem;
}
.examples-section h2 { font-size: 1.5rem; color: var(--green-800); margin-bottom: 0.25rem; }
.examples-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}
.example-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  box-shadow: var(--shadow-sm);
}
.example-card h3 { font-size: 1.15rem; color: var(--green-800); margin-bottom: 0.25rem; }
.example-meta { font-size: 0.85rem; color: var(--gray-500); margin-bottom: 1rem; }
.example-table { width: 100%; border-collapse: collapse; font-size: 0.85rem; }
.example-table th { text-align: left; padding: 0.4rem 0.5rem; background: var(--green-100); color: var(--green-800); font-size: 0.8rem; }
.example-table td { padding: 0.4rem 0.5rem; border-bottom: 1px solid var(--gray-200); }
.example-table tr:last-child td { border-bottom: none; }
.example-note { margin-top: 1rem; font-size: 0.85rem; color: var(--gray-600); font-style: italic; }

/* ===== TIPS ===== */
.tips-section {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 2.5rem 1.5rem;
}
.tips-section h2 { font-size: 1.5rem; color: var(--green-800); margin-bottom: 0.25rem; }
.tips-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-top: 1.5rem;
}
.tips-block {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  box-shadow: var(--shadow-sm);
}
.tips-block h3 { font-size: 1.1rem; color: var(--green-800); margin-bottom: 0.75rem; }
.tips-block ul { padding-left: 1.2rem; }
.tips-block li { margin-bottom: 0.5rem; font-size: 0.9rem; color: var(--gray-700); }
.tips-block p { font-size: 0.9rem; color: var(--gray-700); margin-bottom: 0.5rem; }
.faq-list dt { font-weight: 600; font-size: 0.9rem; color: var(--green-800); margin-top: 0.75rem; }
.faq-list dd { font-size: 0.88rem; color: var(--gray-700); margin-top: 0.2rem; margin-left: 0; }

/* ===== META ===== */
.meta-section {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 2rem 1.5rem;
}
.meta-inner {
  background: var(--yellow-100);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  font-size: 0.88rem;
  color: var(--brown-700);
  line-height: 1.7;
}
.meta-inner p { margin-bottom: 0.5rem; }
.version-line { font-size: 0.8rem; color: var(--gray-500); margin-top: 0.75rem; }

/* ===== FOOTER ===== */
.site-footer {
  background: var(--green-900);
  color: var(--green-300);
  padding: 2.5rem 1.5rem;
  margin-top: 2rem;
}
.footer-inner { max-width: var(--max-width); margin: 0 auto; }
.footer-brand { margin-bottom: 1rem; }
.footer-logo { font-weight: 700; color: var(--white); font-size: 1.1rem; display: block; margin-bottom: 0.25rem; }
.footer-desc { font-size: 0.85rem; color: var(--green-400); }
.footer-links { display: flex; gap: 1.5rem; flex-wrap: wrap; margin-bottom: 1rem; }
.footer-links a { color: var(--green-300); font-size: 0.85rem; text-decoration: none; }
.footer-links a:hover { color: var(--white); text-decoration: underline; }
.footer-copy { font-size: 0.8rem; color: var(--green-400); }
.footer-copy a { color: var(--green-300); }

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
  .workspace-grid { grid-template-columns: 1fr; }
  .entry-panel { position: static; }
  .snapshot-grid { grid-template-columns: repeat(2, 1fr); }
  .tips-grid { grid-template-columns: 1fr 1fr; }
  .examples-grid { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
  .header-inner { padding: 0 1rem; }
  .main-nav { gap: 0.75rem; }
  .main-nav a { font-size: 0.8rem; }
  .hero-section { padding: 2rem 1rem; }
  .hero-stats { gap: 0.5rem; }
  .stat-card { min-width: 100px; padding: 0.75rem 1rem; }
  .stat-number { font-size: 1.5rem; }
  .workspace-section, .snapshot-section, .poster-section, .examples-section, .tips-section { padding: 1.5rem 1rem; }
  .snapshot-grid { grid-template-columns: 1fr 1fr; }
  .tips-grid { grid-columns: 1fr; }
  .entries-header { flex-direction: column; align-items: flex-start; }
  .poster-header { flex-direction: column; align-items: flex-start; }
  .poster-inner { padding: 1.5rem; }
  .poster-title-block h3 { font-size: 1.4rem; }
}
@media (max-width: 400px) {
  .main-nav { display: none; }
  .snapshot-grid { grid-template-columns: 1fr; }
}

/* ===== PRINT ===== */
@media print {
  .site-header, .site-footer, .workspace-section, .tips-section, .meta-section, .examples-section, .print-banner { display: none !important; }
  .poster-section { padding: 0; }
  .poster-header { display: none !important; }
  .poster-preview { box-shadow: none; }
  .poster-inner { border: 3px solid #000; padding: 1.5rem; }
  .poster-title-block h3 { font-size: 1.6rem; }
  body { background: #fff; }
}



/* 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;
}