:root {
  --bg-color: #F7F9F5;
  --surface: #FFFFFF;
  --primary: #435334;
  --primary-hover: #323f26;
  --primary-light: #d5e2cc;
  --text-main: #1D2A1C;
  --text-muted: #5B6B56;
  --border: #DCE5D6;
  --success: #2B7A4B;
  --success-bg: #EAF7EE;
  --warning: #B26A00;
  --warning-bg: #FFF8E6;
  --danger: #B3261E;
  --danger-bg: #FDF0ED;
  --amazon-orange: #FF9900;
  --amazon-hover: #E88B00;
  --radius: 12px;
  --font-sans: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

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

body {
  font-family: var(--font-sans);
  background-color: var(--bg-color);
  color: var(--text-main);
  line-height: 1.6;
}

/* Header */
.site-header {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
}
.nav-container {
  max-width: 900px;
  margin: 0 auto;
  padding: 14px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.brand-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  font-weight: 800;
  font-size: 1.2rem;
  color: var(--primary);
}
.header-icon {
  border-radius: 8px;
}
.nav-menu {
  display: flex;
  gap: 20px;
}
.nav-menu a {
  text-decoration: none;
  color: var(--text-muted);
  font-weight: 500;
  font-size: 0.95rem;
  transition: color 0.2s;
}
.nav-menu a:hover {
  color: var(--primary);
}
.menu-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  flex-direction: column;
  gap: 5px;
}
.hamburger-bar {
  width: 24px;
  height: 2.5px;
  background: var(--text-main);
  border-radius: 2px;
}

/* Ads Placeholders */
.ad-slot-wrapper {
  max-width: 900px;
  margin: 16px auto;
  padding: 0 20px;
}
.ad-placeholder {
  background: #EEF2EB;
  border: 1px dashed #CCD7C5;
  border-radius: 8px;
  min-height: 90px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.ad-badge {
  font-size: 0.75rem;
  color: #8C9E84;
  text-transform: uppercase;
  letter-spacing: 1px;
}

/* Main Container */
.main-content {
  max-width: 900px;
  margin: 0 auto;
  padding: 10px 20px 40px;
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  margin-bottom: 24px;
  box-shadow: 0 4px 12px rgba(67, 83, 52, 0.04);
}

.badge-tag {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  background: var(--primary-light);
  color: var(--primary);
  padding: 4px 10px;
  border-radius: 20px;
  margin-bottom: 12px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

h1 {
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--primary);
  margin-bottom: 8px;
}
h2 {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 16px;
}
.section-intro {
  color: var(--text-muted);
  font-size: 0.98rem;
  margin-bottom: 24px;
}

/* Forms */
.form-group {
  margin-bottom: 18px;
}
.form-group label {
  display: block;
  font-weight: 600;
  font-size: 0.92rem;
  margin-bottom: 6px;
}
.field-hint {
  display: block;
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: 5px;
}
input[type="text"], input[type="date"], select {
  width: 100%;
  padding: 12px 14px;
  border: 1.5px solid var(--border);
  border-radius: 8px;
  font-size: 1rem;
  font-family: inherit;
  background: #FFF;
  color: var(--text-main);
  transition: border-color 0.2s;
}
input:focus, select:focus {
  outline: none;
  border-color: var(--primary);
}

/* PAO Checkbox Accordion */
.pao-toggle-box {
  background: #F4F7F2;
  border-radius: 8px;
  padding: 12px 14px;
  margin-bottom: 20px;
}
.checkbox-label {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--primary);
  cursor: pointer;
}
.checkbox-label input {
  width: 18px;
  height: 18px;
  accent-color: var(--primary);
}
.pao-fields-container {
  margin-bottom: 20px;
  background: #FAFBF9;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 16px;
}
.form-row {
  display: flex;
  gap: 16px;
}
.form-row .col {
  flex: 1;
  margin-bottom: 0;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 13px 20px;
  border-radius: 8px;
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
  border: none;
  text-decoration: none;
  transition: all 0.2s;
  width: 100%;
}
.btn-primary {
  background: var(--primary);
  color: #FFF;
}
.btn-primary:hover {
  background: var(--primary-hover);
}

/* Dynamic Result Card */
.result-card {
  margin-top: 24px;
  padding: 20px;
  border-radius: 10px;
  border: 1.5px solid transparent;
}
.status-success {
  background: var(--success-bg);
  border-color: #BBE3C8;
}
.status-warning {
  background: var(--warning-bg);
  border-color: #F8DF9E;
}
.status-danger {
  background: var(--danger-bg);
  border-color: #F7B5A9;
}
.status-unknown {
  background: #F2F4F2;
  border-color: var(--border);
}

.result-header {
  margin-bottom: 16px;
}
.status-badge {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 800;
  padding: 4px 10px;
  border-radius: 20px;
  text-transform: uppercase;
  margin-bottom: 6px;
}
.badge-success { background: #C5E9CE; color: #15572E; }
.badge-warning { background: #FFE8A3; color: #7A4700; }
.badge-danger { background: #FAC2B8; color: #8F1913; }

.result-header h3 {
  font-size: 1.3rem;
  color: var(--text-main);
}

.result-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 12px;
  margin-bottom: 20px;
}
.res-stat {
  background: #FFFFFF;
  border: 1px solid rgba(0,0,0,0.06);
  border-radius: 8px;
  padding: 12px;
}
.stat-label {
  display: block;
  font-size: 0.78rem;
  color: var(--text-muted);
  text-transform: uppercase;
  font-weight: 600;
}
.stat-val {
  display: block;
  font-size: 1.05rem;
  font-weight: 800;
  color: var(--text-main);
  margin-top: 2px;
}
.text-danger { color: var(--danger); }
.text-success { color: var(--success); }

/* Share & Amazon Actions */
.result-actions {
  margin-bottom: 12px;
}
.btn-share {
  background: #FFFFFF;
  color: var(--primary);
  border: 1.5px solid var(--primary);
  font-size: 0.95rem;
  padding: 11px;
}
.btn-share:hover {
  background: var(--primary-light);
}
.btn-copied {
  background: var(--primary) !important;
  color: #FFF !important;
}

.affiliate-box {
  text-align: center;
  margin-top: 14px;
}
.btn-amazon {
  background: var(--amazon-orange);
  color: #111;
  font-weight: 800;
  box-shadow: 0 3px 6px rgba(0,0,0,0.1);
}
.btn-amazon:hover {
  background: var(--amazon-hover);
}
.affiliate-subnote {
  display: block;
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 6px;
}

/* Guides */
.guide-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 16px;
}
.guide-item {
  background: #FAFBF9;
  border: 1px solid var(--border);
  padding: 16px;
  border-radius: 8px;
}
.guide-item h3 {
  font-size: 1.05rem;
  color: var(--primary);
  margin-bottom: 6px;
}
.guide-item p {
  font-size: 0.9rem;
  color: var(--text-muted);
}

/* Footer */
.site-footer {
  background: #25301D;
  color: #C0CDC0;
  padding: 30px 20px;
  font-size: 0.85rem;
  text-align: center;
}
.footer-container {
  max-width: 900px;
  margin: 0 auto;
}
.affiliate-disclosure {
  background: rgba(255,255,255,0.06);
  padding: 10px 14px;
  border-radius: 6px;
  margin-bottom: 16px;
  font-size: 0.8rem;
  color: #E2ECE2;
}
.footer-links {
  margin: 14px 0;
}
.footer-links a {
  color: #FFF;
  text-decoration: none;
  margin: 0 6px;
}
.footer-links a:hover {
  text-decoration: underline;
}
.disclaimer {
  font-size: 0.75rem;
  color: #8D9E8D;
  margin-top: 10px;
}

/* Mobile Responsive */
@media (max-width: 600px) {
  .menu-toggle { display: flex; }
  .nav-menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--surface);
    flex-direction: column;
    padding: 16px 20px;
    border-bottom: 1px solid var(--border);
  }
  .nav-menu.active { display: flex; }
  .form-row { flex-direction: column; gap: 12px; }
}