/* ==========================================================================
   Meshi Archive — Design System
   Inspired by SmartHR Design System (warm neutrals) + Linear/Vercel (minimal)
   WCAG 2.1 AA compliant
   ========================================================================== */

/* --------------------------------------------------------------------------
   Design tokens
   -------------------------------------------------------------------------- */
:root {
  /* --- Primary (SmartHR MAIN blue) --- */
  --color-primary:        #0077C7;
  --color-primary-dark:   #005FA3;
  --color-primary-light:  #E8F4FD;
  --color-primary-hover:  #006AB3;

  /* --- Semantic --- */
  --color-danger:         #E01E5A;
  --color-danger-light:   #FDF0F5;
  --color-success:        #00865D;
  --color-success-light:  #E6F4F0;
  --color-warning:        #C47D00;
  --color-warning-light:  #FEF8E6;

  /* --- Text (SmartHR warm palette) --- */
  --color-text:           #23221E;   /* SmartHR TEXT_BLACK */
  --color-text-secondary: #706D65;   /* SmartHR TEXT_GREY */
  --color-text-muted:     #C1BDB7;   /* SmartHR TEXT_DISABLED */
  --color-link:           #0077C7;
  --color-link-visited:   #5B4FCF;

  /* --- Surface (SmartHR warm whites) --- */
  --color-bg:             #F8F7F6;   /* SmartHR BACKGROUND */
  --color-surface:        #FFFFFF;
  --color-surface-raised: #FFFFFF;
  --color-border:         #D6D3D0;   /* SmartHR BORDER */
  --color-border-focus:   #0077C7;
  --color-table-head:     #EDEBE8;   /* SmartHR HEAD */
  --color-row-hover:      #F2F1F0;   /* SmartHR OVER_BACKGROUND */

  /* --- Header (warm dark) --- */
  --color-header-bg:      #1E1C18;
  --color-header-border:  rgba(255,255,255,0.06);

  /* --- Typography --- */
  /* Inter handles Latin/ASCII; BIZ UDPGothic covers Japanese. */
  --font-family:    'Inter', 'BIZ UDPGothic', 'Noto Sans JP',
                    'Hiragino Kaku Gothic ProN', system-ui, sans-serif;
  --font-mono:      'JetBrains Mono', 'Fira Code', ui-monospace, monospace;

  --font-size-xs:   0.6875rem;   /* 11px */
  --font-size-sm:   0.8125rem;   /* 13px */
  --font-size-base: 0.9375rem;   /* 15px */
  --font-size-md:   1rem;        /* 16px */
  --font-size-lg:   1.0625rem;   /* 17px */
  --font-size-xl:   1.25rem;     /* 20px */
  --font-size-2xl:  1.5rem;      /* 24px */
  --line-height:    1.6;

  /* --- Spacing (4px grid) --- */
  --space-1:   0.25rem;
  --space-2:   0.5rem;
  --space-3:   0.75rem;
  --space-4:   1rem;
  --space-5:   1.25rem;
  --space-6:   1.5rem;
  --space-8:   2rem;
  --space-10:  2.5rem;
  --space-12:  3rem;

  /* --- Layout --- */
  --container-max: 1200px;
  --radius:        8px;
  --radius-lg:     12px;
  --radius-full:   9999px;

  /* --- Shadows (soft, warm-tinted) --- */
  --shadow-xs: 0 1px 2px rgba(35,34,30,0.06);
  --shadow-sm: 0 1px 3px rgba(35,34,30,0.08), 0 1px 2px rgba(35,34,30,0.04);
  --shadow:    0 4px 8px rgba(35,34,30,0.06), 0 1px 3px rgba(35,34,30,0.05);
  --shadow-md: 0 8px 20px rgba(35,34,30,0.08), 0 2px 6px rgba(35,34,30,0.04);

  /* --- Transitions --- */
  --transition-fast:   0.1s ease;
  --transition-base:   0.15s ease;
  --transition-slow:   0.25s ease;
}

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

html {
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  hanging-punctuation: first last;
}

body {
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  line-height: var(--line-height);
  color: var(--color-text);
  background-color: var(--color-bg);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

/* Focus ring — WCAG 2.4.7 */
:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
  border-radius: var(--radius);
}
:focus:not(:focus-visible) { outline: none; }

/* --------------------------------------------------------------------------
   Skip link
   -------------------------------------------------------------------------- */
.skip-link {
  position: absolute;
  top: -100%;
  left: var(--space-4);
  z-index: 9999;
  padding: var(--space-2) var(--space-4);
  background: var(--color-primary);
  color: #fff;
  border-radius: var(--radius);
  font-weight: 600;
  text-decoration: none;
  font-size: var(--font-size-sm);
  transition: top var(--transition-fast);
}
.skip-link:focus { top: var(--space-4); }

/* --------------------------------------------------------------------------
   Layout
   -------------------------------------------------------------------------- */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--space-6);
}

.main-content {
  flex: 1;
  padding-block: var(--space-8);
}

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

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 48px;
  gap: var(--space-4);
}

.site-header__logo {
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: rgba(255,255,255,0.92);
  text-decoration: none;
  letter-spacing: 0.01em;
  display: flex;
  align-items: center;
  gap: var(--space-2);
  transition: color var(--transition-fast);
}

.site-header__logo::before {
  content: '';
  display: inline-block;
  width: 6px;
  height: 6px;
  background: #0077C7;
  border-radius: var(--radius-full);
  flex-shrink: 0;
}

.site-header__logo:hover { color: #fff; }

.site-nav ul {
  display: flex;
  gap: var(--space-1);
  list-style: none;
}

.site-nav a {
  display: inline-flex;
  align-items: center;
  padding: var(--space-2) var(--space-3);
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: rgba(255,255,255,0.55);
  text-decoration: none;
  border-radius: var(--radius);
  transition: background var(--transition-fast), color var(--transition-fast);
}

.site-nav a:hover {
  color: rgba(255,255,255,0.92);
  background: rgba(255,255,255,0.07);
}

.site-nav a[aria-current="page"] {
  color: rgba(255,255,255,0.92);
  background: rgba(255,255,255,0.10);
}

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

.site-footer__inner { padding-block: var(--space-5); }

.site-footer__text {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
}

/* --------------------------------------------------------------------------
   Page header
   -------------------------------------------------------------------------- */
.page-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-4);
  margin-bottom: var(--space-6);
  flex-wrap: wrap;
}

.page-title {
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--color-text);
  line-height: 1.3;
  letter-spacing: -0.01em;
}

.page-subtitle {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  margin-top: var(--space-1);
}

/* --------------------------------------------------------------------------
   Buttons
   -------------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 0.4375rem var(--space-4);   /* 7px 16px */
  font-family: var(--font-family);
  font-size: var(--font-size-sm);
  font-weight: 600;
  line-height: 1.5;
  border-radius: var(--radius);
  border: 1px solid transparent;
  cursor: pointer;
  text-decoration: none;
  transition: background var(--transition-fast), color var(--transition-fast),
              border-color var(--transition-fast), box-shadow var(--transition-fast),
              opacity var(--transition-fast);
  white-space: nowrap;
  user-select: none;
}

.btn--primary {
  background: var(--color-primary);
  color: #fff;
  border-color: var(--color-primary);
}
.btn--primary:hover {
  background: var(--color-primary-hover);
  border-color: var(--color-primary-hover);
}
.btn--primary:active { opacity: 0.88; }

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

.btn--ghost {
  background: transparent;
  color: var(--color-text-secondary);
  border-color: var(--color-border);
}
.btn--ghost:hover {
  background: var(--color-row-hover);
  color: var(--color-text);
}

.btn--danger {
  background: var(--color-danger);
  color: #fff;
  border-color: var(--color-danger);
}
.btn--danger:hover { background: #C01A4F; border-color: #C01A4F; }

.btn--sm {
  font-size: var(--font-size-xs);
  padding: 0.25rem var(--space-3);
}

.btn--full { width: 100%; }

/* --------------------------------------------------------------------------
   Filter form
   -------------------------------------------------------------------------- */
.filter-section {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-5) var(--space-6);
  margin-bottom: var(--space-5);
  box-shadow: var(--shadow-sm);
}

/* Desktop: 4-column grid */
.filter-form__fields {
  display: grid;
  grid-template-columns: 2fr 1.4fr 1.4fr auto;
  gap: var(--space-4);
  align-items: end;
}

.filter-form__actions {
  display: flex;
  gap: var(--space-2);
  align-items: center;
  padding-top: var(--space-4);
  border-top: 1px solid var(--color-border);
  margin-top: var(--space-4);
}

/* --------------------------------------------------------------------------
   Form elements
   -------------------------------------------------------------------------- */
.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.form-label {
  font-size: var(--font-size-xs);
  font-weight: 600;
  color: var(--color-text-secondary);
  letter-spacing: 0.02em;
}

.form-label__note {
  font-weight: 400;
  color: var(--color-text-muted);
  margin-left: var(--space-2);
}

.form-label__required { color: var(--color-danger); margin-left: 2px; }

.form-select,
.form-input {
  font-family: var(--font-family);
  font-size: var(--font-size-sm);
  color: var(--color-text);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 0.4375rem var(--space-3);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  min-width: 0;
  width: 100%;
}

.form-select:hover,
.form-input:hover {
  border-color: var(--color-text-secondary);
}

.form-select:focus,
.form-input:focus {
  border-color: var(--color-primary);
  outline: none;
  box-shadow: 0 0 0 3px rgba(0,119,199,0.12);
}

.form-select:disabled,
.form-input[readonly] {
  background: var(--color-bg);
  color: var(--color-text-secondary);
  cursor: default;
}

.form-file {
  font-family: var(--font-family);
  font-size: var(--font-size-sm);
  color: var(--color-text);
}

.form-hint {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  margin-top: var(--space-1);
}

.form-fieldset { border: none; }

.form-fieldset legend,
.form-fieldset .form-label {
  font-size: var(--font-size-xs);
  font-weight: 600;
  color: var(--color-text-secondary);
  letter-spacing: 0.02em;
  margin-bottom: var(--space-2);
  display: block;
}

.radio-group {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
}

.radio-label {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--font-size-sm);
  color: var(--color-text);
  cursor: pointer;
}

.radio-label input[type="radio"] {
  width: 15px;
  height: 15px;
  accent-color: var(--color-primary);
  cursor: pointer;
  flex-shrink: 0;
}

.form-actions {
  display: flex;
  gap: var(--space-3);
  margin-top: var(--space-5);
}

.form-textarea {
  font-family: var(--font-family);
  font-size: var(--font-size-sm);
  color: var(--color-text);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: var(--space-2) var(--space-3);
  resize: vertical;
  min-height: 80px;
  width: 100%;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-textarea:focus {
  border-color: var(--color-primary);
  outline: none;
  box-shadow: 0 0 0 3px rgba(0,119,199,0.12);
}

.form-textarea[readonly] {
  background: var(--color-bg);
  color: var(--color-text-secondary);
}

.form-input--date { max-width: 180px; }
.form-select--rating { max-width: 180px; }

/* --------------------------------------------------------------------------
   Result bar
   -------------------------------------------------------------------------- */
.result-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  margin-bottom: var(--space-3);
  flex-wrap: wrap;
}

.result-count {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  display: flex;
  align-items: baseline;
  gap: var(--space-2);
}

.result-count strong {
  font-size: var(--font-size-xl);
  color: var(--color-text);
  font-weight: 700;
  letter-spacing: -0.02em;
}

.result-count__page {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
}

/* --------------------------------------------------------------------------
   Data table — SmartHR-inspired warm minimal
   -------------------------------------------------------------------------- */
.table-wrapper {
  overflow-x: auto;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-surface);
  box-shadow: var(--shadow-sm);
  -webkit-overflow-scrolling: touch;
}

.table-wrapper:focus {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--font-size-sm);
}

.data-table thead {
  background: var(--color-table-head);
  border-bottom: 1px solid var(--color-border);
}

.data-table th {
  padding: var(--space-3) var(--space-4);
  text-align: left;
  font-weight: 600;
  font-size: var(--font-size-xs);
  color: var(--color-text-secondary);
  letter-spacing: 0.01em;
  white-space: nowrap;
}

.data-table tbody tr {
  border-bottom: 1px solid #EAE8E5;
  transition: background var(--transition-fast);
}

.data-table tbody tr:last-child { border-bottom: none; }

.data-table tbody tr:hover { background: var(--color-row-hover); }

.data-table td {
  padding: var(--space-3) var(--space-4);
  color: var(--color-text);
  vertical-align: middle;
}

/* Column helpers */
.td--name    { min-width: 160px; font-weight: 600; }
.td--area    { min-width: 80px;  color: var(--color-text-secondary); white-space: nowrap; }
.td--category{ min-width: 110px; }
.td--rating  { min-width: 100px; }
.td--visited { min-width: 84px; text-align: center; }
.td--date    { min-width: 88px;  white-space: nowrap; }
.td--url     { min-width: 80px;  }

/* --------------------------------------------------------------------------
   Sort links
   -------------------------------------------------------------------------- */
.sort-link {
  color: var(--color-text-secondary);
  text-decoration: none;
  font-size: var(--font-size-xs);
  font-weight: 600;
  white-space: nowrap;
  transition: color var(--transition-fast);
  letter-spacing: 0.01em;
}
.sort-link:hover    { color: var(--color-primary); }
.sort-link--active  { color: var(--color-primary); }

/* --------------------------------------------------------------------------
   Category tag
   -------------------------------------------------------------------------- */
.category-tag {
  display: inline-block;
  padding: 2px var(--space-2);
  background: var(--color-primary-light);
  color: var(--color-primary-dark);
  border-radius: var(--radius-full);
  font-size: 11px;
  font-weight: 600;
  white-space: nowrap;
  letter-spacing: 0.01em;
}

/* --------------------------------------------------------------------------
   Badges — pill
   -------------------------------------------------------------------------- */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 2px var(--space-3);
  border-radius: var(--radius-full);
  font-size: var(--font-size-xs);
  font-weight: 600;
  letter-spacing: 0.01em;
  line-height: 1.5;
  white-space: nowrap;
}

.badge--visited {
  background: var(--color-success-light);
  color: var(--color-success);
}

.badge--unvisited {
  background: var(--color-bg);
  color: var(--color-text-muted);
  border: 1px solid var(--color-border);
}

/* --------------------------------------------------------------------------
   Visited toggle (badge as button)
   -------------------------------------------------------------------------- */
.btn-visit-toggle {
  font-family: var(--font-family);
  cursor: pointer;
  border: none;
  transition: opacity var(--transition-fast), transform 0.08s ease;
}
.btn-visit-toggle:hover { opacity: 0.75; transform: scale(0.96); }

/* --------------------------------------------------------------------------
   Star rating — interactive & readonly
   -------------------------------------------------------------------------- */
.star-rating {
  display: inline-flex;
  gap: 1px;
  align-items: center;
}

.star {
  background: none;
  border: none;
  padding: 1px;
  cursor: pointer;
  font-size: 0.875rem;
  color: var(--color-border);
  line-height: 1;
  transition: color var(--transition-fast), transform 0.08s ease;
}

.star:hover,
.star--hover { color: #F5A623; transform: scale(1.2); }
.star--active { color: #F5A623; }

.star-rating--readonly .star {
  cursor: default;
  pointer-events: none;
}
.star-rating--readonly .star:hover { transform: none; }

/* --------------------------------------------------------------------------
   Shop name link & Discord jump icon
   -------------------------------------------------------------------------- */
.shop-name-link {
  color: var(--color-text);
  text-decoration: none;
  font-weight: 600;
  transition: color var(--transition-fast);
}
.shop-name-link:hover { color: var(--color-primary); text-decoration: underline; }

.discord-link {
  display: inline-flex;
  align-items: center;
  margin-left: var(--space-1);
  font-size: 10px;
  color: var(--color-text-muted);
  text-decoration: none;
  transition: color var(--transition-fast);
  vertical-align: middle;
  opacity: 0.6;
}
.discord-link:hover { color: var(--color-primary); opacity: 1; }

/* --------------------------------------------------------------------------
   Date cell
   -------------------------------------------------------------------------- */
.date-text {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  font-variant-numeric: tabular-nums;
}

/* --------------------------------------------------------------------------
   Table link
   -------------------------------------------------------------------------- */
.table-link {
  color: var(--color-link);
  text-decoration: none;
  font-size: var(--font-size-xs);
  font-weight: 500;
  transition: color var(--transition-fast), text-decoration var(--transition-fast);
}
.table-link:hover { text-decoration: underline; }
.table-link:visited { color: var(--color-link-visited); }

.text-muted { color: var(--color-text-muted); }

/* --------------------------------------------------------------------------
   Empty state
   -------------------------------------------------------------------------- */
.empty-state {
  text-align: center;
  padding: var(--space-12) var(--space-6);
  color: var(--color-text-secondary);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  font-size: var(--font-size-sm);
}

.empty-state a { color: var(--color-link); }

/* --------------------------------------------------------------------------
   Pagination
   -------------------------------------------------------------------------- */
.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-3);
  margin-top: var(--space-5);
}

.pagination__info {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  min-width: 100px;
  text-align: center;
}

.pagination__disabled {
  opacity: 0.3;
  cursor: default;
  pointer-events: none;
}

/* --------------------------------------------------------------------------
   Alert / notification
   -------------------------------------------------------------------------- */
.alert {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius);
  border-left: 3px solid;
  font-size: var(--font-size-sm);
  margin-bottom: var(--space-4);
  line-height: 1.5;
}

.alert__icon { font-size: var(--font-size-base); flex-shrink: 0; line-height: 1.5; }

.alert__link { color: inherit; text-decoration: underline; font-weight: 600; }

.alert--error   { background: var(--color-danger-light);  border-color: var(--color-danger);  color: #8B0025; }
.alert--success { background: var(--color-success-light); border-color: var(--color-success); color: #005A3E; }
.alert--warning { background: var(--color-warning-light); border-color: var(--color-warning); color: #7A4D00; }

/* --------------------------------------------------------------------------
   Card
   -------------------------------------------------------------------------- */
.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  box-shadow: var(--shadow-sm);
  margin-bottom: var(--space-5);
}

.card__title {
  font-size: var(--font-size-md);
  font-weight: 700;
  margin-bottom: var(--space-2);
  color: var(--color-text);
  letter-spacing: -0.01em;
}

.card__desc {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-5);
  line-height: 1.7;
}

.card--meta { background: var(--color-bg); }
.card--danger { border-color: #F5C0D0; }
.card__title--danger { color: var(--color-danger); }

/* --------------------------------------------------------------------------
   Auth layout
   -------------------------------------------------------------------------- */
.auth-layout {
  display: flex;
  justify-content: center;
  padding-top: var(--space-10);
}

.auth-card {
  width: 100%;
  max-width: 380px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  box-shadow: var(--shadow-md);
}

.auth-card__title {
  font-size: var(--font-size-xl);
  font-weight: 700;
  margin-bottom: var(--space-1);
  color: var(--color-text);
  letter-spacing: -0.01em;
}

.auth-card__desc {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-6);
}

/* --------------------------------------------------------------------------
   Shop detail page
   -------------------------------------------------------------------------- */
.back-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  text-decoration: none;
  margin-bottom: var(--space-2);
  transition: color var(--transition-fast);
}
.back-link:hover { color: var(--color-primary); }

/* Two-column edit grid — collapses on tablet */
.edit-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4) var(--space-6);
  margin-bottom: var(--space-6);
}

.form-group--full { grid-column: 1 / -1; }
.form-group--inline { display: flex; flex-direction: column; gap: var(--space-1); }

/* Visit status row */
.visit-status-row {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  gap: var(--space-4);
  margin-top: var(--space-1);
}

.checkbox-label {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--font-size-sm);
  color: var(--color-text);
  cursor: pointer;
  padding-bottom: var(--space-2);
}

.checkbox-label input[type="checkbox"] {
  width: 15px;
  height: 15px;
  accent-color: var(--color-primary);
  cursor: pointer;
}

/* Metadata list */
.meta-list { display: flex; flex-direction: column; gap: var(--space-3); }

.meta-list__item {
  display: flex;
  gap: var(--space-4);
  font-size: var(--font-size-sm);
}

.meta-list__item dt {
  min-width: 100px;
  font-weight: 600;
  color: var(--color-text-secondary);
  flex-shrink: 0;
}

.meta-list__item dd { color: var(--color-text); }

/* Monospace code snippets */
.code {
  font-family: var(--font-mono);
  font-size: var(--font-size-xs);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1px var(--space-2);
  color: var(--color-text-secondary);
}

/* --------------------------------------------------------------------------
   Responsive — tablet (≤768px)
   -------------------------------------------------------------------------- */
@media (max-width: 768px) {
  /* Filter: stack vertically */
  .filter-form__fields {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: var(--space-3);
  }

  .form-group,
  .form-fieldset { width: 100%; }

  .form-select,
  .form-input { min-width: 0; }

  .filter-form__actions {
    flex-direction: column;
    align-items: stretch;
    gap: var(--space-2);
  }

  .filter-form__actions .btn { width: 100%; justify-content: center; }

  /* Edit grid: single column */
  .edit-grid { grid-template-columns: 1fr; }
  .form-group--full { grid-column: 1; }
}

/* --------------------------------------------------------------------------
   Responsive — mobile (≤640px)
   -------------------------------------------------------------------------- */
@media (max-width: 640px) {
  .container { padding-inline: var(--space-4); }

  .filter-section { padding: var(--space-4); }

  .page-header {
    flex-direction: column;
    align-items: flex-start;
  }

  .result-bar {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-2);
  }

  .data-table { font-size: var(--font-size-xs); }

  .data-table th,
  .data-table td { padding: var(--space-2) var(--space-3); }

  .category-tag { font-size: 10px; }

  .badge { font-size: 10px; padding: 2px var(--space-2); }

  .auth-card { padding: var(--space-6); }

  .pagination { gap: var(--space-2); }
}

/* --------------------------------------------------------------------------
   Infinite scroll — sentinel & loading indicator
   -------------------------------------------------------------------------- */
#scroll-sentinel {
  /* Zero-height element at the bottom of the list; observed by JS */
  height: 1px;
  margin-top: var(--space-4);
}

.scroll-loading {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-6);
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
}

/* Spinning dot indicator shown while fetching next page */
.scroll-loading::before {
  content: '';
  display: inline-block;
  width: 16px;
  height: 16px;
  border: 2px solid var(--color-border);
  border-top-color: var(--color-primary);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}