/* Reset and base styles */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --color-primary: #E85D4A;
  --color-primary-dark: #D14836;
  --color-primary-light: #FFF0ED;
  --color-success: #2E7D32;
  --color-success-light: #E8F5E9;
  --color-warning: #F57F17;
  --color-warning-light: #FFF8E1;
  --color-danger: #C62828;
  --color-danger-light: #FFEBEE;
  --color-text: #1A1A2E;
  --color-text-secondary: #5A5A72;
  --color-text-light: #8A8A9A;
  --color-bg: #FAFAFA;
  --color-bg-card: #FFFFFF;
  --color-border: #E0E0E8;
  --color-border-light: #F0F0F5;
  --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 24px rgba(0,0,0,0.12);
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
  --transition: 0.2s ease;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  color: var(--color-text);
  background: var(--color-bg);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.container {
  width: 100%;
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 20px;
}

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

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 60px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--color-text);
  font-weight: 700;
  font-size: 1.1rem;
}

.logo svg {
  flex-shrink: 0;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 24px;
}

.main-nav a {
  text-decoration: none;
  color: var(--color-text-secondary);
  font-size: 0.9rem;
  font-weight: 500;
  transition: color var(--transition);
}

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

.nav-backlink {
  color: var(--color-primary) !important;
}

/* Hero */
.hero {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  color: white;
  padding: 60px 0;
  text-align: center;
}

.hero h1 {
  font-size: 2.2rem;
  font-weight: 800;
  margin-bottom: 12px;
  line-height: 1.2;
}

.hero-subtitle {
  font-size: 1.15rem;
  opacity: 0.92;
  margin-bottom: 28px;
  max-width: 500px;
  margin-left: auto;
  margin-right: auto;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 20px;
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  font-weight: 600;
  text-decoration: none;
  border: 2px solid transparent;
  cursor: pointer;
  transition: all var(--transition);
  font-family: inherit;
}

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

.btn-primary:hover {
  background: var(--color-primary-light);
  transform: translateY(-1px);
}

.btn-sm {
  padding: 6px 12px;
  font-size: 0.85rem;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  color: var(--color-text-secondary);
}

.btn-sm:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.btn-danger {
  color: var(--color-danger);
  border-color: var(--color-danger);
}

.btn-danger:hover {
  background: var(--color-danger-light);
}

.btn-full {
  width: 100%;
  background: var(--color-primary);
  color: white;
  border-color: var(--color-primary);
  padding: 12px 20px;
}

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

/* Timer Section */
.timer-section {
  padding: 48px 0;
}

.timer-section h2 {
  font-size: 1.6rem;
  margin-bottom: 24px;
}

.timer-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  align-items: start;
}

/* Form */
.timer-form {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 24px;
  margin-bottom: 24px;
}

.form-group {
  margin-bottom: 16px;
}

.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-text-secondary);
  margin-bottom: 4px;
}

.form-group input,
.form-group select {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  font-family: inherit;
  background: var(--color-bg-card);
  color: var(--color-text);
  transition: border-color var(--transition);
}

.form-group input:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(232, 93, 74, 0.15);
}

/* Presets */
.presets h3 {
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  margin-bottom: 12px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.preset-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
}

.preset-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  padding: 12px 8px;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition);
  font-family: inherit;
  text-align: center;
}

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

.preset-icon {
  font-size: 1.4rem;
}

.preset-btn span:nth-child(2) {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--color-text);
}

.preset-days {
  font-size: 0.7rem;
  color: var(--color-text-light);
}

/* Results Panel */
.timer-results-panel {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 24px;
  min-height: 400px;
}

.results-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
  flex-wrap: wrap;
  gap: 12px;
}

.results-header h3 {
  font-size: 1.1rem;
}

.results-actions {
  display: flex;
  gap: 8px;
}

.tracked-items {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.empty-state {
  text-align: center;
  padding: 40px 20px;
  color: var(--color-text-light);
}

.empty-state svg {
  margin-bottom: 12px;
  opacity: 0.5;
}

/* Tracked Item Cards */
.tracked-item {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 16px;
  transition: all var(--transition);
}

.tracked-item.safe {
  border-left: 4px solid var(--color-success);
  background: var(--color-success-light);
}

.tracked-item.warning {
  border-left: 4px solid var(--color-warning);
  background: var(--color-warning-light);
}

.tracked-item.expired {
  border-left: 4px solid var(--color-danger);
  background: var(--color-danger-light);
}

.item-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 8px;
}

.item-name {
  font-weight: 700;
  font-size: 1rem;
}

.item-category {
  font-size: 0.75rem;
  color: var(--color-text-light);
  text-transform: uppercase;
  letter-spacing: 0.3px;
}

.item-delete {
  background: none;
  border: none;
  color: var(--color-text-light);
  cursor: pointer;
  padding: 4px;
  font-size: 1.1rem;
  line-height: 1;
  transition: color var(--transition);
}

.item-delete:hover {
  color: var(--color-danger);
}

.item-timer {
  display: flex;
  align-items: baseline;
  gap: 8px;
  margin-bottom: 8px;
}

.timer-value {
  font-size: 1.4rem;
  font-weight: 800;
  font-variant-numeric: tabular-nums;
}

.timer-value.safe { color: var(--color-success); }
.timer-value.warning { color: var(--color-warning); }
.timer-value.expired { color: var(--color-danger); }

.timer-label {
  font-size: 0.8rem;
  color: var(--color-text-secondary);
}

.item-details {
  font-size: 0.8rem;
  color: var(--color-text-secondary);
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.item-notes {
  font-size: 0.8rem;
  color: var(--color-text-secondary);
  font-style: italic;
  margin-top: 4px;
}

/* Reference Section */
.reference-section {
  padding: 48px 0;
  background: var(--color-bg-card);
}

.reference-section h2 {
  font-size: 1.6rem;
  margin-bottom: 8px;
}

.section-intro {
  color: var(--color-text-secondary);
  margin-bottom: 24px;
}

.reference-table-wrapper {
  overflow-x: auto;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
}

.reference-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}

.reference-table th {
  background: var(--color-bg);
  padding: 12px 16px;
  text-align: left;
  font-weight: 600;
  color: var(--color-text-secondary);
  border-bottom: 2px solid var(--color-border);
  white-space: nowrap;
}

.reference-table td {
  padding: 12px 16px;
  border-bottom: 1px solid var(--color-border-light);
}

.reference-table tr:last-child td {
  border-bottom: none;
}

.reference-table tr:hover td {
  background: var(--color-primary-light);
}

/* Tips Section */
.tips-section {
  padding: 48px 0;
}

.tips-section h2 {
  font-size: 1.6rem;
  margin-bottom: 24px;
}

.tips-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-bottom: 40px;
}

.tip-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 20px;
  transition: all var(--transition);
}

.tip-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.tip-card h3 {
  font-size: 1rem;
  margin-bottom: 8px;
  color: var(--color-primary);
}

.tip-card p {
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  line-height: 1.5;
}

/* FAQ */
.faq-section {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 24px;
}

.faq-section h3 {
  font-size: 1.2rem;
  margin-bottom: 16px;
}

.faq-list dt {
  font-weight: 600;
  margin-bottom: 6px;
  margin-top: 16px;
}

.faq-list dt:first-child {
  margin-top: 0;
}

.faq-list dd {
  color: var(--color-text-secondary);
  font-size: 0.95rem;
  line-height: 1.5;
}

/* Footer */
.site-footer {
  background: var(--color-text);
  color: rgba(255,255,255,0.7);
  padding: 40px 0 20px;
  margin-top: auto;
}

.footer-content {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: 24px;
  margin-bottom: 24px;
}

.footer-brand p {
  font-size: 0.85rem;
  margin-top: 4px;
}

.footer-logo {
  font-weight: 700;
  color: white;
  font-size: 1rem;
}

.footer-nav {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
}

.footer-nav a {
  color: rgba(255,255,255,0.7);
  text-decoration: none;
  font-size: 0.85rem;
  transition: color var(--transition);
}

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

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.15);
  padding-top: 16px;
  font-size: 0.8rem;
  text-align: center;
}

/* Toast notification */
.toast {
  position: fixed;
  bottom: 24px;
  right: 24px;
  background: var(--color-text);
  color: white;
  padding: 12px 20px;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  box-shadow: var(--shadow-lg);
  z-index: 1000;
  animation: slideUp 0.3s ease;
}

@keyframes slideUp {
  from { transform: translateY(20px); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}

/* Print styles */
@media print {
  .site-header, .hero, .timer-input-panel, .results-actions, .tips-section, .site-footer, .presets {
    display: none !important;
  }
  
  .timer-results-panel {
    border: none;
    padding: 0;
  }
  
  .tracked-item {
    break-inside: avoid;
    border: 1px solid #ccc;
    margin-bottom: 12px;
  }
}

/* Responsive */
@media (max-width: 900px) {
  .timer-layout {
    grid-template-columns: 1fr;
  }
  
  .tips-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 640px) {
  .hero h1 {
    font-size: 1.6rem;
  }
  
  .hero-subtitle {
    font-size: 1rem;
  }
  
  .preset-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .tips-grid {
    grid-template-columns: 1fr;
  }
  
  .main-nav {
    gap: 12px;
  }
  
  .main-nav a:not(.nav-backlink) {
    display: none;
  }
  
  .results-header {
    flex-direction: column;
    align-items: flex-start;
  }
  
  .reference-table {
    font-size: 0.8rem;
  }
  
  .reference-table th,
  .reference-table td {
    padding: 8px 10px;
  }
}

/* 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;
    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;
}