/* InkLog Styles */
:root {
  --color-bg: #faf8f5;
  --color-surface: #ffffff;
  --color-surface-alt: #f5f0ea;
  --color-ink: #1a2332;
  --color-ink-light: #4a5568;
  --color-ink-muted: #718096;
  --color-accent: #2b4c7e;
  --color-accent-light: #3d6fa5;
  --color-accent-warm: #8b5e3c;
  --color-success: #2d6a4f;
  --color-danger: #c53030;
  --color-border: #e2ddd6;
  --color-border-focus: #3d6fa5;
  --color-star: #d4a843;
  --color-star-empty: #d6d3ce;
  --shadow-sm: 0 1px 3px rgba(26, 35, 50, 0.08);
  --shadow-md: 0 4px 12px rgba(26, 35, 50, 0.1);
  --shadow-lg: 0 8px 24px rgba(26, 35, 50, 0.12);
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  --font-mono: 'SF Mono', 'Fira Code', 'Fira Mono', 'Roboto Mono', monospace;
  --transition: 0.2s ease;
  --max-width: 960px;
}

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

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-ink);
  background-color: var(--color-bg);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

a {
  color: var(--color-accent);
  text-decoration: none;
  transition: color var(--transition);
}
a:hover, a:focus {
  color: var(--color-accent-light);
  text-decoration: underline;
}

img, svg {
  display: block;
  max-width: 100%;
}

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

.skip-link {
  position: absolute;
  top: -100%;
  left: 50%;
  transform: translateX(-50%);
  background: var(--color-accent);
  color: #fff;
  padding: 8px 16px;
  border-radius: 0 0 var(--radius-sm) var(--radius-sm);
  z-index: 1000;
  font-weight: 600;
}
.skip-link:focus {
  top: 0;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

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

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 56px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--color-ink);
  font-weight: 700;
  font-size: 1.25rem;
  text-decoration: none;
}
.logo:hover, .logo:focus {
  color: var(--color-accent);
  text-decoration: none;
}
.logo-icon {
  color: var(--color-accent);
}

.main-nav ul {
  display: flex;
  list-style: none;
  gap: 24px;
}
.main-nav a {
  color: var(--color-ink-light);
  font-weight: 500;
  font-size: 0.9375rem;
  padding: 4px 0;
  border-bottom: 2px solid transparent;
  transition: all var(--transition);
}
.main-nav a:hover, .main-nav a:focus,
.main-nav a[aria-current="page"] {
  color: var(--color-accent);
  border-bottom-color: var(--color-accent);
  text-decoration: none;
}

/* Hero */
.hero-section {
  padding: 64px 0 48px;
  background: linear-gradient(180deg, var(--color-surface) 0%, var(--color-bg) 100%);
}

.hero-title {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 800;
  line-height: 1.2;
  color: var(--color-ink);
  margin-bottom: 16px;
}

.hero-subtitle {
  font-size: 1.125rem;
  color: var(--color-ink-light);
  max-width: 600px;
  margin-bottom: 32px;
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 10px 20px;
  font-size: 0.9375rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  border: 2px solid transparent;
  cursor: pointer;
  transition: all var(--transition);
  text-decoration: none;
  line-height: 1.4;
  font-family: inherit;
}
.btn:hover, .btn:focus {
  text-decoration: none;
}
.btn-primary {
  background: var(--color-accent);
  color: #fff;
  border-color: var(--color-accent);
}
.btn-primary:hover, .btn-primary:focus {
  background: var(--color-accent-light);
  border-color: var(--color-accent-light);
  color: #fff;
}
.btn-secondary {
  background: var(--color-surface);
  color: var(--color-accent);
  border-color: var(--color-accent);
}
.btn-secondary:hover, .btn-secondary:focus {
  background: var(--color-accent);
  color: #fff;
}
.btn-ghost {
  background: transparent;
  color: var(--color-ink-muted);
  border-color: var(--color-border);
}
.btn-ghost:hover, .btn-ghost:focus {
  background: var(--color-surface-alt);
  color: var(--color-ink);
}
.btn-danger {
  background: transparent;
  color: var(--color-danger);
  border-color: var(--color-danger);
}
.btn-danger:hover, .btn-danger:focus {
  background: var(--color-danger);
  color: #fff;
}
.btn-sm {
  padding: 6px 14px;
  font-size: 0.875rem;
}

/* Sections */
.section-title {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-ink);
  margin-bottom: 24px;
}

.entry-form-section {
  padding: 48px 0;
}

.journal-section {
  padding: 48px 0;
}

.guide-section {
  padding: 48px 0;
  background: var(--color-surface);
}

.troubleshooting-section {
  padding: 48px 0;
}

/* Form */
.entry-form {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 32px;
  box-shadow: var(--shadow-sm);
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 20px;
  margin-bottom: 24px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-label {
  font-weight: 600;
  font-size: 0.875rem;
  color: var(--color-ink);
}

.required {
  color: var(--color-danger);
}

.form-input,
.form-textarea,
.form-select {
  padding: 10px 14px;
  font-size: 0.9375rem;
  font-family: inherit;
  border: 2px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-bg);
  color: var(--color-ink);
  transition: border-color var(--transition), box-shadow var(--transition);
  width: 100%;
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  outline: none;
  border-color: var(--color-border-focus);
  box-shadow: 0 0 0 3px rgba(61, 111, 165, 0.15);
}

.form-textarea {
  resize: vertical;
  min-height: 80px;
}

/* Rating Stars */
.rating-group {
  border: none;
  margin: 0 0 24px 0;
  padding: 0;
}

.rating-legend {
  font-weight: 600;
  font-size: 0.9375rem;
  color: var(--color-ink);
  margin-bottom: 16px;
  padding: 0;
}

.ratings-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
}

.rating-item {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.rating-label {
  font-weight: 600;
  font-size: 0.875rem;
  color: var(--color-ink);
}

.rating-stars {
  display: flex;
  flex-direction: row-reverse;
  justify-content: flex-end;
  gap: 2px;
}

.rating-stars input {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}

.rating-stars .star {
  font-size: 1.5rem;
  color: var(--color-star-empty);
  cursor: pointer;
  transition: color var(--transition);
  line-height: 1;
}

.rating-stars input:checked ~ .star,
.rating-stars .star:hover,
.rating-stars .star:hover ~ .star {
  color: var(--color-star);
}

.rating-stars input:focus + .star {
  outline: 2px solid var(--color-border-focus);
  outline-offset: 2px;
  border-radius: 2px;
}

.rating-hint {
  font-size: 0.75rem;
  color: var(--color-ink-muted);
}

.form-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

/* Journal Controls */
.journal-header {
  margin-bottom: 24px;
}

.journal-controls {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: flex-end;
  margin-top: 16px;
}

.search-group {
  flex: 1;
  min-width: 200px;
}

.search-input {
  width: 100%;
}

.filter-group {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.form-select {
  min-width: 140px;
  cursor: pointer;
}

.action-group {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

/* Entries List */
.entries-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.entry-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 20px;
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition);
}

.entry-card:hover {
  box-shadow: var(--shadow-md);
}

.entry-card[open] {
  box-shadow: var(--shadow-md);
}

.entry-summary {
  display: flex;
  align-items: center;
  gap: 16px;
  cursor: pointer;
  list-style: none;
}

.entry-summary::-webkit-details-marker {
  display: none;
}

.entry-summary::after {
  content: '▸';
  font-size: 1.25rem;
  color: var(--color-ink-muted);
  margin-left: auto;
  transition: transform var(--transition);
  flex-shrink: 0;
}

.entry-card[open] .entry-summary::after {
  transform: rotate(90deg);
}

.entry-combo {
  flex: 1;
  min-width: 0;
}

.entry-combo-names {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  margin-bottom: 6px;
}

.entry-pen {
  font-weight: 700;
  font-size: 1rem;
  color: var(--color-ink);
}

.entry-ink {
  font-weight: 500;
  font-size: 0.9375rem;
  color: var(--color-accent-warm);
}

.entry-paper {
  font-size: 0.875rem;
  color: var(--color-ink-muted);
}

.entry-rating-badges {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}

.rating-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 2px 8px;
  border-radius: 12px;
  font-size: 0.75rem;
  font-weight: 600;
  background: var(--color-surface-alt);
  color: var(--color-ink-light);
}

.rating-badge.high {
  background: #e6f4ea;
  color: var(--color-success);
}

.rating-badge.low {
  background: #fce8e6;
  color: var(--color-danger);
}

.entry-date {
  font-size: 0.8125rem;
  color: var(--color-ink-muted);
  white-space: nowrap;
  flex-shrink: 0;
}

.entry-details {
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid var(--color-border);
}

.entry-details-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 12px;
  margin-bottom: 12px;
}

.detail-item {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.detail-label {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--color-ink-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.detail-value {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--color-ink);
}

.entry-notes-text {
  font-size: 0.9375rem;
  color: var(--color-ink-light);
  line-height: 1.7;
  margin-bottom: 12px;
  white-space: pre-wrap;
}

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

/* Empty State */
.empty-state {
  text-align: center;
  padding: 48px 24px;
  color: var(--color-ink-muted);
}

.empty-icon {
  margin: 0 auto 16px;
  color: var(--color-border);
}

.empty-state h3 {
  font-size: 1.125rem;
  color: var(--color-ink-light);
  margin-bottom: 8px;
}

.empty-state p {
  font-size: 0.9375rem;
  max-width: 400px;
  margin: 0 auto;
}

/* Guide Cards */
.guide-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
}

.guide-card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 24px;
}

.guide-card h3 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-ink);
  margin-bottom: 8px;
}

.guide-card p {
  font-size: 0.9375rem;
  color: var(--color-ink-light);
  line-height: 1.7;
}

/* Troubleshooting */
.trouble-grid {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.trouble-item {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.trouble-item summary {
  padding: 16px 20px;
  font-weight: 600;
  font-size: 0.9375rem;
  color: var(--color-ink);
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  gap: 8px;
  transition: background var(--transition);
}

.trouble-item summary::-webkit-details-marker {
  display: none;
}

.trouble-item summary::before {
  content: '+';
  font-size: 1.25rem;
  font-weight: 400;
  color: var(--color-accent);
  flex-shrink: 0;
}

.trouble-item[open] summary::before {
  content: '−';
}

.trouble-item summary:hover {
  background: var(--color-surface-alt);
}

.trouble-item p {
  padding: 0 20px 16px 40px;
  font-size: 0.9375rem;
  color: var(--color-ink-light);
  line-height: 1.7;
}

/* Toast */
.toast {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--color-ink);
  color: #fff;
  padding: 12px 24px;
  border-radius: var(--radius-sm);
  font-size: 0.9375rem;
  font-weight: 500;
  box-shadow: var(--shadow-lg);
  z-index: 1000;
  transition: opacity 0.3s ease, transform 0.3s ease;
}

.toast[hidden] {
  display: block;
  opacity: 0;
  transform: translateX(-50%) translateY(10px);
  pointer-events: none;
}

/* Footer */
.site-footer {
  margin-top: auto;
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
  padding: 32px 0;
}

.footer-inner {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.footer-logo {
  font-weight: 700;
  font-size: 1.125rem;
  color: var(--color-ink);
}

.footer-tagline {
  font-size: 0.875rem;
  color: var(--color-ink-muted);
}

.footer-nav ul {
  display: flex;
  list-style: none;
  gap: 20px;
  flex-wrap: wrap;
}

.footer-nav a {
  font-size: 0.875rem;
  color: var(--color-ink-muted);
}

.footer-nav a:hover, .footer-nav a:focus {
  color: var(--color-accent);
}

.footer-note,
.footer-version {
  font-size: 0.8125rem;
  color: var(--color-ink-muted);
}

/* Responsive */
@media (max-width: 768px) {
  .hero-section {
    padding: 40px 0 32px;
  }

  .entry-form-section,
  .journal-section,
  .guide-section,
  .troubleshooting-section {
    padding: 32px 0;
  }

  .entry-form {
    padding: 20px;
  }

  .journal-controls {
    flex-direction: column;
  }

  .filter-group {
    width: 100%;
  }

  .form-select {
    flex: 1;
  }

  .action-group {
    width: 100%;
  }

  .entry-summary {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }

  .entry-date {
    align-self: flex-start;
  }

  .entry-combo-names {
    flex-direction: column;
    align-items: flex-start;
    gap: 2px;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 16px;
  }

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

  .form-actions {
    flex-direction: column;
  }

  .form-actions .btn {
    width: 100%;
  }
}

/* Focus visible */
:focus-visible {
  outline: 2px solid var(--color-border-focus);
  outline-offset: 2px;
}

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

  html {
    scroll-behavior: auto;
  }
}

/* Print */
@media print {
  .site-header,
  .entry-form-section,
  .journal-controls,
  .entry-actions,
  .site-footer,
  .toast {
    display: none !important;
  }

  .entry-card {
    break-inside: avoid;
    border: 1px solid #ccc;
  }

  body {
    background: #fff;
    color: #000;
  }
}


/* 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;
}