/* ============================================
   Nishikigoi Eval — Modern Design System
   Inspired by Linear / Vercel / Notion
   ============================================ */

/* --- Tokens --- */
:root {
  --c-bg: #0a0a0f;
  --c-surface: #111118;
  --c-surface-2: #18181f;
  --c-surface-3: #1e1e28;
  --c-surface-hover: #222230;
  --c-border: rgba(255,255,255,.06);
  --c-border-strong: rgba(255,255,255,.1);
  --c-text: #ececf1;
  --c-text-2: #a1a1aa;
  --c-text-3: #63636e;
  --c-accent: #6366f1;
  --c-accent-hover: #818cf8;
  --c-accent-subtle: rgba(99,102,241,.12);
  --c-red: #ef4444;
  --c-red-subtle: rgba(239,68,68,.12);
  --c-green: #22c55e;
  --c-green-subtle: rgba(34,197,94,.12);
  --c-gold: #eab308;
  --c-gold-subtle: rgba(234,179,8,.1);
  --c-koi-red: #dc2626;
  --radius-sm: 8px;
  --radius: 12px;
  --radius-lg: 16px;
  --radius-xl: 20px;
  --radius-full: 9999px;
  --shadow-sm: 0 1px 2px rgba(0,0,0,.3);
  --shadow: 0 4px 16px rgba(0,0,0,.3);
  --shadow-lg: 0 8px 32px rgba(0,0,0,.4);
  --shadow-glow: 0 0 40px rgba(99,102,241,.08);
  --transition: .15s ease;
  --transition-slow: .25s ease;
  --font: 'Inter', 'Noto Sans JP', -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
}

/* --- Reset & Base --- */
*, *::before, *::after { box-sizing: border-box; }

body {
  background: var(--c-bg);
  color: var(--c-text);
  font-family: var(--font);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  line-height: 1.6;
}

#app-wrapper {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

::selection {
  background: var(--c-accent);
  color: #fff;
}

a { color: var(--c-accent); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--c-accent-hover); }

h1, h2, h3, h4, h5, h6 {
  color: var(--c-text);
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.3;
}

.lead, .text-muted { color: var(--c-text-2) !important; }

/* --- Site Header --- */
.site-header {
  background: rgba(10, 10, 15, .8);
  backdrop-filter: blur(16px) saturate(180%);
  -webkit-backdrop-filter: blur(16px) saturate(180%);
  border-bottom: 1px solid var(--c-border);
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: .6rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.header-brand {
  display: flex;
  align-items: center;
  gap: .55rem;
  font-weight: 700;
  font-size: 1.1rem;
  letter-spacing: -0.03em;
  color: var(--c-text);
  text-decoration: none;
  flex-shrink: 0;
}
.header-brand:hover { color: var(--c-text); }

.brand-icon {
  display: block;
  width: 26px; height: 26px;
  background: linear-gradient(135deg, var(--c-koi-red), var(--c-gold));
  border-radius: 7px;
  flex-shrink: 0;
}

.header-nav {
  display: flex;
  align-items: center;
  gap: .35rem;
  flex-wrap: wrap;
}

.header-nav .nav-item {
  color: var(--c-text-2);
  font-size: .85rem;
  font-weight: 500;
  padding: .35rem .75rem;
  border-radius: var(--radius-sm);
  transition: all var(--transition);
  text-decoration: none;
  white-space: nowrap;
}

.header-nav .nav-item:hover {
  color: var(--c-text);
  background: var(--c-surface-hover);
}

.header-nav .nav-item.active {
  color: var(--c-text);
}

.nav-sep {
  width: 1px;
  height: 18px;
  background: var(--c-border-strong);
  margin: 0 .35rem;
}

.nav-user {
  background: var(--c-surface-2);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-full);
  padding: .25rem .8rem;
  font-size: .8rem;
  color: var(--c-text-2);
  white-space: nowrap;
}

.nav-logout {
  color: var(--c-text-3) !important;
  font-size: .82rem !important;
}
.nav-logout:hover {
  color: var(--c-red) !important;
  background: var(--c-red-subtle) !important;
}

.nav-cta {
  background: var(--c-accent) !important;
  color: #fff !important;
  font-weight: 600 !important;
  padding: .35rem .9rem !important;
  border-radius: var(--radius-sm) !important;
}
.nav-cta:hover {
  background: var(--c-accent-hover) !important;
}

/* --- Nav Dropdowns --- */
.nav-dropdown {
  position: relative;
}

.nav-dropdown .dropdown-toggle {
  display: flex;
  align-items: center;
  gap: .3rem;
}

.nav-dropdown .dropdown-toggle::after {
  border-top-color: var(--c-text-3);
  transition: transform var(--transition);
}

.nav-dropdown.show .dropdown-toggle::after {
  transform: rotate(180deg);
}

.nav-dropdown .dropdown-toggle:hover::after {
  border-top-color: var(--c-text);
}

.nav-dropdown .dropdown-menu {
  background: var(--c-surface-2);
  border: 1px solid var(--c-border-strong);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-lg);
  padding: .35rem 0;
  min-width: 10rem;
  opacity: 0;
  transform: translateY(-4px);
  transition: opacity var(--transition), transform var(--transition);
}

.nav-dropdown .dropdown-menu.show {
  opacity: 1;
  transform: translateY(0);
}

.nav-dropdown .dropdown-item {
  color: var(--c-text-2);
  font-size: .85rem;
  font-weight: 500;
  padding: .4rem .9rem;
  transition: all var(--transition);
}

.nav-dropdown .dropdown-item:hover,
.nav-dropdown .dropdown-item:focus {
  color: var(--c-text);
  background: var(--c-surface-hover);
}

.nav-dropdown .dropdown-item.active {
  color: var(--c-accent);
  background: var(--c-accent-subtle);
}

/* --- Site Main --- */
.site-main {
  flex: 1;
  max-width: 1200px;
  margin: 0 auto;
  padding: 1.75rem 1.5rem 3rem;
  width: 100%;
}

/* --- Container --- */
.container { max-width: 1200px; }
.container.mt-4 { margin-top: 2rem !important; }

/* --- Cards --- */
.card {
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  color: var(--c-text);
}

.card-header {
  background: transparent;
  border-bottom: 1px solid var(--c-border-strong);
  padding: .85rem 1.25rem;
  color: var(--c-text-2);
  font-size: .8rem;
  font-weight: 600;
  letter-spacing: .05em;
  text-transform: uppercase;
}

.card-body { padding: 1.25rem 1.25rem; }

/* --- Buttons --- */
.btn {
  font-weight: 500;
  font-size: .875rem;
  border-radius: var(--radius-sm);
  padding: .5rem 1rem;
  transition: all var(--transition);
  letter-spacing: -0.01em;
  border: none;
}

.btn-primary {
  background: var(--c-accent);
  color: #fff;
  box-shadow: 0 1px 2px rgba(0,0,0,.2), inset 0 1px 0 rgba(255,255,255,.08);
}
.btn-primary:hover {
  background: var(--c-accent-hover);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(99,102,241,.3);
}

.btn-success {
  background: var(--c-green);
  color: #fff;
}
.btn-success:hover {
  background: #16a34a;
  transform: translateY(-1px);
}

.btn-danger {
  background: var(--c-red);
  color: #fff;
}
.btn-danger:hover { background: #dc2626; }

.btn-outline-primary {
  background: transparent;
  border: 1px solid var(--c-border-strong);
  color: var(--c-accent);
}
.btn-outline-primary:hover {
  background: var(--c-accent-subtle);
  border-color: var(--c-accent);
  color: var(--c-accent-hover);
}

.btn-outline-secondary {
  background: transparent;
  border: 1px solid var(--c-border-strong);
  color: var(--c-text-2);
}
.btn-outline-secondary:hover {
  background: var(--c-surface-hover);
  border-color: var(--c-border-strong);
  color: var(--c-text);
}

.btn-outline-danger {
  background: transparent;
  border: 1px solid var(--c-border-strong);
  color: var(--c-red);
}
.btn-outline-danger:hover {
  background: var(--c-red-subtle);
  border-color: var(--c-red);
  color: var(--c-red);
}

.btn-outline-info {
  background: transparent;
  border: 1px solid var(--c-border-strong);
  color: var(--c-accent);
}
.btn-outline-info:hover {
  background: var(--c-accent-subtle);
  border-color: var(--c-accent);
  color: var(--c-accent-hover);
}

.btn-secondary {
  background: var(--c-surface-2);
  border: 1px solid var(--c-border-strong);
  color: var(--c-text-2);
}
.btn-secondary:hover {
  background: var(--c-surface-hover);
  color: var(--c-text);
}

.btn-sm { font-size: .8rem; padding: .35rem .7rem; }
.btn-lg { font-size: .95rem; padding: .65rem 1.5rem; border-radius: var(--radius); }

.btn:disabled, .btn.disabled {
  opacity: .35;
  pointer-events: none;
}

/* --- Forms --- */
.form-control, .form-select {
  background: var(--c-surface-2);
  border: 1px solid var(--c-border-strong);
  border-radius: var(--radius-sm);
  color: var(--c-text);
  font-size: .9rem;
  padding: .55rem .85rem;
  transition: all var(--transition);
}

.form-control:focus, .form-select:focus {
  background: var(--c-surface-3);
  border-color: var(--c-accent);
  box-shadow: 0 0 0 3px var(--c-accent-subtle);
  color: var(--c-text);
  outline: none;
}

.form-control::placeholder { color: var(--c-text-3); }

.form-control-sm, .form-select-sm { font-size: .82rem; padding: .4rem .7rem; }

.form-label {
  font-size: .82rem;
  font-weight: 500;
  color: var(--c-text-2);
  margin-bottom: .35rem;
}

.form-control.is-invalid { border-color: var(--c-red); }
.invalid-feedback { color: var(--c-red); font-size: .8rem; }

.input-group .form-control { border-right: 0; }
.input-group .btn { border: 1px solid var(--c-border-strong); }

/* --- Alerts --- */
.alert {
  border: none;
  border-radius: var(--radius-sm);
  font-size: .875rem;
  padding: .75rem 1rem;
}
.alert-success { background: var(--c-green-subtle); color: var(--c-green); }
.alert-danger  { background: var(--c-red-subtle); color: var(--c-red); }
.alert-warning { background: var(--c-gold-subtle); color: var(--c-gold); }
.alert-info    { background: var(--c-accent-subtle); color: var(--c-accent); }

.alert .btn-close { filter: invert(1) grayscale(1) brightness(.7); }

/* --- Badges --- */
.badge {
  font-weight: 500;
  font-size: .72rem;
  padding: .3em .65em;
  border-radius: var(--radius-sm);
  letter-spacing: .02em;
}
.badge.bg-secondary {
  background: var(--c-surface-3) !important;
  color: var(--c-text-3) !important;
}

/* ============================================
   Auth Pages
   ============================================ */

.auth-wrapper {
  min-height: calc(100vh - 62px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem 1rem;
}

.auth-card {
  width: 100%;
  max-width: 400px;
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg), var(--shadow-glow);
  position: relative;
}

.auth-card::before {
  content: '';
  position: absolute;
  inset: -1px;
  border-radius: calc(var(--radius-lg) + 1px);
  background: linear-gradient(135deg, var(--c-koi-red), var(--c-accent), var(--c-gold));
  opacity: 0;
  transition: opacity .4s ease;
  z-index: -1;
}

.auth-card:hover::before { opacity: .3; }

.auth-card .card-body { padding: 2.5rem 2rem; }

.auth-header {
  text-align: center;
  margin-bottom: 2rem;
}

.auth-logo {
  width: 48px; height: 48px;
  background: linear-gradient(135deg, var(--c-koi-red), var(--c-gold));
  border-radius: var(--radius);
  margin: 0 auto 1rem;
  box-shadow: 0 4px 16px rgba(220, 38, 38, .2);
}

.auth-header h2 {
  font-size: 1.4rem;
  margin-bottom: .25rem;
}

.auth-header p {
  color: var(--c-text-3);
  font-size: .9rem;
  margin: 0;
}

.auth-card .form-control {
  background: var(--c-surface-2);
  border: 1px solid var(--c-border-strong);
  padding: .65rem .9rem;
  font-size: .9rem;
  transition: all var(--transition), box-shadow .2s ease;
}

.auth-card .form-control:focus {
  border-color: var(--c-accent);
  box-shadow: 0 0 0 3px var(--c-accent-subtle), 0 0 16px rgba(99,102,241,.08);
  transform: translateY(-1px);
}

.auth-card .btn-primary, .auth-card .btn-success {
  padding: .7rem;
  font-size: .9rem;
  font-weight: 600;
  margin-top: .25rem;
}

.auth-footer {
  text-align: center;
  margin-top: 1.5rem;
  font-size: .85rem;
  color: var(--c-text-3);
}

/* ============================================
   Dashboard — Page Header
   ============================================ */

.page-header { margin-bottom: 1.75rem; }
.page-header h1 {
  font-size: 1.5rem;
  margin-bottom: .15rem;
  background: linear-gradient(135deg, var(--c-text) 60%, var(--c-accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  display: inline-block;
}
.page-header .lead { font-size: .9rem; color: var(--c-text-3); }
.page-header .page-subtitle {
  font-size: .9rem;
  color: var(--c-text-3);
  margin: 0;
}

/* ============================================
   Dashboard — Stats
   ============================================ */

.stats-card {
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition-slow), border-color var(--transition-slow);
}

.stats-card:hover {
  border-color: var(--c-border-strong);
  box-shadow: var(--shadow-sm), var(--shadow-glow);
}

.stats-card .card-header {
  border-bottom: 1px solid var(--c-border-strong);
}

.stats-card .card-header h5 {
  font-size: .8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .05em;
  color: var(--c-text-2);
  margin: 0;
  display: flex;
  align-items: center;
  gap: .5rem;
}

.stats-card .card-header .header-icon {
  color: var(--c-accent);
  flex-shrink: 0;
}

.chart-container {
  position: relative;
  width: 100%;
}

/* ============================================
   Dashboard — Activity Feed
   ============================================ */

.activity-feed {
  max-height: 340px;
  overflow-y: auto;
  scrollbar-width: thin;
  scrollbar-color: var(--c-surface-3) transparent;
}
.activity-feed::-webkit-scrollbar { width: 4px; }
.activity-feed::-webkit-scrollbar-thumb { background: var(--c-surface-3); border-radius: 4px; }

.activity-item {
  padding: .6rem 0;
  border-bottom: 1px solid var(--c-border);
}
.activity-item:last-child { border-bottom: none; margin-bottom: 0 !important; }

.activity-thumb img {
  border: 1px solid var(--c-border-strong);
  border-radius: var(--radius-sm);
  width: 36px; height: 36px; object-fit: cover;
}

.activity-info p { color: var(--c-text-2); }
.activity-info strong { color: var(--c-text); }
.activity-info small { color: var(--c-text-3); }

/* ============================================
   Dashboard — Filter Bar
   ============================================ */

.filter-bar {
  background: var(--c-surface);
  border: 1px solid var(--c-border);
}
.filter-bar .card-body { padding: .75rem 1.25rem; }
.filter-bar label {
  font-size: .72rem;
  font-weight: 600;
  color: var(--c-text-3);
  text-transform: uppercase;
  letter-spacing: .06em;
}

/* ============================================
   Koi Card Grid
   ============================================ */

.koi-card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: 1rem;
}

.koi-card {
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  overflow: hidden;
  cursor: pointer;
  transition: all var(--transition-slow);
  will-change: transform;
}

.koi-card:hover {
  border-color: var(--c-border-strong);
  box-shadow: var(--shadow);
  transform: translateY(-2px);
}

.koi-card:focus-visible {
  outline: 2px solid var(--c-accent);
  outline-offset: 2px;
}

.koi-card-img-wrapper {
  height: 200px;
  overflow: hidden;
  background: var(--c-surface-2);
  position: relative;
}

.koi-card-img-wrapper::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(10,10,15,.5) 0%, transparent 50%);
  opacity: 0;
  transition: opacity var(--transition-slow);
  pointer-events: none;
}

.koi-card:hover .koi-card-img-wrapper::after { opacity: 1; }

.koi-card-img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform .4s ease;
}

.koi-card:hover .koi-card-img { transform: scale(1.04); }

.koi-card .card-body { padding: .85rem 1rem; }

.koi-card .card-title {
  font-size: .95rem;
  font-weight: 600;
  margin-bottom: .45rem;
  color: var(--c-text);
}

.koi-card .card-title small {
  font-weight: 400;
  font-size: .78rem;
  color: var(--c-text-3);
  margin-left: .25rem;
}

.koi-card small.text-muted { color: var(--c-text-3) !important; font-size: .75rem; }

/* Koi card badge variants */
.koi-card .badge-eval {
  background: var(--c-gold-subtle);
  color: var(--c-gold);
}
.koi-card .badge-pending {
  background: var(--c-surface-3);
  color: var(--c-text-3);
}
.koi-card .badge-scored {
  background: var(--c-green-subtle);
  color: var(--c-green);
}

/* ============================================
   Grade Badges (A/B/C evaluation grades)
   ============================================ */

.grade-badge {
  font-weight: 600;
  font-size: .72rem;
  padding: .3em .65em;
  border-radius: var(--radius-sm);
  letter-spacing: .02em;
}

.grade-badge.grade-a {
  background: var(--c-green-subtle);
  color: var(--c-green);
}

.grade-badge.grade-b {
  background: var(--c-gold-subtle);
  color: var(--c-gold);
}

.grade-badge.grade-c {
  background: var(--c-red-subtle);
  color: var(--c-red);
}

/* ============================================
   Evaluation Summary & History Cards
   ============================================ */

.eval-summary-card {
  background: var(--c-surface-2);
  border: 1px solid var(--c-border-strong);
}

.eval-scores-row span {
  color: var(--c-text);
}

.eval-history-card {
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  transition: border-color var(--transition);
}

.eval-history-card:hover {
  border-color: var(--c-border-strong);
}

.eval-history-summary {
  cursor: pointer;
}

.eval-scores-compact {
  font-size: .72rem;
  letter-spacing: .02em;
}

/* ============================================
   Empty State
   ============================================ */

.empty-state { padding: 5rem 1rem; }
.empty-state-icon { opacity: .2; margin-bottom: 1.25rem; }
.empty-state h4 { color: var(--c-text-2); font-size: 1.1rem; font-weight: 600; }
.empty-state p { color: var(--c-text-3); font-size: .9rem; margin-bottom: 1.5rem; }
.empty-state svg { color: var(--c-text-3); }

/* ============================================
   Koi Detail Modal
   ============================================ */

/* Modal — dark theme colors only, Bootstrap handles layout */
.modal-content {
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  color: var(--c-text);
}
.modal-header { border-bottom-color: var(--c-border); }
.modal-footer { border-top-color: var(--c-border); }

.koi-detail-image {
  width: 100%;
  max-height: 480px;
  object-fit: contain;
  border-radius: var(--radius);
  background: var(--c-surface-2);
}

.koi-detail-meta { padding: .5rem 0; }
.koi-detail-meta dt {
  font-size: .78rem;
  font-weight: 600;
  color: var(--c-text-3);
  text-transform: uppercase;
  letter-spacing: .04em;
}
.koi-detail-meta dd {
  margin-bottom: .65rem;
  font-size: .9rem;
  color: var(--c-text);
}
.koi-detail-meta dd .text-muted { color: var(--c-text-3) !important; }

.koi-detail-actions { padding-top: .5rem; }
.koi-detail-actions .btn { min-width: 80px; }

.delete-confirm, .edit-form { display: none; }
.delete-confirm.show, .edit-form.show { display: block; }

.edit-form .card {
  background: var(--c-surface-2);
  border: 1px solid var(--c-accent);
}
.edit-form .card-header {
  background: var(--c-accent-subtle);
  border-bottom: 1px solid var(--c-accent);
  color: var(--c-accent);
  font-size: .82rem;
  text-transform: none;
}

.delete-confirm .card {
  background: var(--c-surface-2);
  border: 1px solid var(--c-red);
}
.delete-confirm .text-danger { color: var(--c-red) !important; }

/* evaluation placeholder in detail */
.koi-detail .card.bg-light {
  background: var(--c-surface-2) !important;
  border: 1px solid var(--c-border);
}
.koi-detail .card.bg-light .text-muted { color: var(--c-text-3) !important; }

/* ============================================
   Upload — Dropzone
   ============================================ */

.dropzone-container {
  border: 2px dashed var(--c-border-strong);
  border-radius: var(--radius-lg);
  padding: 3.5rem 2rem;
  text-align: center;
  cursor: pointer;
  background: var(--c-surface);
  min-height: 220px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-slow);
}

.dropzone-container:hover,
.dropzone-container.dz-drag-hover {
  border-color: var(--c-accent);
  background: rgba(99,102,241,.04);
  box-shadow: var(--shadow-glow);
}

.dropzone-container .upload-icon {
  color: var(--c-text-3);
  transition: all var(--transition-slow);
}
.dropzone-container:hover .upload-icon {
  color: var(--c-accent);
  transform: translateY(-3px);
}

.dropzone-container h5 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--c-text);
  margin-bottom: .25rem;
}

.dropzone-container p { color: var(--c-text-3); }

/* Dropzone overrides */
.dropzone-container.dropzone {
  border: 2px dashed var(--c-border-strong);
  background: var(--c-surface);
}
.dropzone-container.dropzone:hover {
  border-color: var(--c-accent);
  background: rgba(99,102,241,.04);
}
.dropzone-container .dz-preview { margin: 8px; }
.dropzone-container .dz-preview .dz-image { border-radius: var(--radius-sm); overflow: hidden; }

.metadata-card {
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  transition: border-color var(--transition);
}
.metadata-card:hover { border-color: var(--c-border-strong); }
.metadata-card .breed-select.is-invalid { border-color: var(--c-red); }

#file-metadata-area h5 {
  font-size: .9rem;
  font-weight: 600;
  color: var(--c-text-2);
}
#file-metadata-area .btn-lg { min-width: 160px; }
#upload-results .alert { margin-bottom: 0; }

/* ============================================
   Admin — Breed Table
   ============================================ */

.table {
  color: var(--c-text);
  font-size: .875rem;
  --bs-table-bg: transparent;
  --bs-table-hover-bg: var(--c-surface-hover);
}

.table thead th {
  font-size: .72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .06em;
  color: var(--c-text-3);
  border-bottom: 1px solid var(--c-border-strong);
  padding: .7rem .85rem;
  background: transparent;
}

.table-light { --bs-table-bg: transparent; }

.table tbody td {
  vertical-align: middle;
  padding: .7rem .85rem;
  border-color: var(--c-border);
}

.table-hover > tbody > tr:hover > * {
  background-color: var(--c-surface-hover);
  color: var(--c-text);
}

.table-responsive { border-radius: var(--radius); overflow: hidden; }

/* collapse link in admin */
.card-header a { color: var(--c-text-2); font-weight: 600; }
.card-header a:hover { color: var(--c-text); }

/* ============================================
   Toast
   ============================================ */

.toast-container {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  z-index: 1090;
}

.toast {
  border-radius: var(--radius-sm);
  border: none;
  box-shadow: var(--shadow);
}

/* ============================================
   Spinner
   ============================================ */

.spinner-border { color: var(--c-accent) !important; }

/* ============================================
   Scrollbar (global)
   ============================================ */

::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--c-surface-3); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--c-text-3); }

/* ============================================
   Pagination
   ============================================ */

.pagination-nav {
  margin-top: 1.5rem;
  text-align: center;
}

.pagination-nav .pagination {
  gap: .25rem;
}

.pagination-nav .page-link {
  background: var(--c-surface-2);
  border: 1px solid var(--c-border);
  color: var(--c-text-2);
  font-size: .85rem;
  font-weight: 500;
  padding: .4rem .7rem;
  border-radius: var(--radius-sm);
  transition: all var(--transition);
}

.pagination-nav .page-link:hover {
  background: var(--c-surface-hover);
  border-color: var(--c-border-strong);
  color: var(--c-text);
}

.pagination-nav .page-item.active .page-link {
  background: var(--c-accent);
  border-color: var(--c-accent);
  color: #fff;
}

.pagination-nav .page-item.disabled .page-link {
  background: var(--c-surface);
  border-color: var(--c-border);
  color: var(--c-text-3);
  opacity: .5;
}

.pagination-info {
  font-size: .78rem;
  color: var(--c-text-3);
  margin-top: .5rem;
}

/* ============================================
   Footer
   ============================================ */

.site-footer {
  border-top: 1px solid var(--c-border);
  background: var(--c-surface);
  padding: 1.25rem 1.5rem;
  margin-top: auto;
}

.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: .5rem;
  font-size: .8rem;
  color: var(--c-text-3);
}

.footer-sep { opacity: .4; }

/* ============================================
   Responsive
   ============================================ */

@media (max-width: 768px) {
  .header-inner {
    padding: .5rem 1rem;
    gap: .75rem;
  }

  .header-nav {
    gap: .15rem;
  }

  .header-nav .nav-item {
    font-size: .78rem;
    padding: .3rem .5rem;
  }

  .nav-sep { display: none; }

  .nav-user {
    font-size: .72rem;
    padding: .2rem .6rem;
  }

  .site-main { padding: 1.25rem 1rem 2rem; }
  .dropzone-container { padding: 2rem 1rem; min-height: 160px; }
  .koi-card-grid { grid-template-columns: 1fr; }
  .koi-card-img-wrapper { height: 180px; }
  .auth-card .card-body { padding: 2rem 1.5rem; }
  .page-header h1 { font-size: 1.25rem; }
  .container.mt-4 { margin-top: 1.25rem !important; }
}

@media (min-width: 769px) and (max-width: 991px) {
  .koi-card-grid { grid-template-columns: repeat(2, 1fr); }
}

/* ============================================
   Evaluation Wizard
   ============================================ */

/* Two-column layout: image + wizard content */
.wizard-container {
  display: flex;
  gap: 1.5rem;
  min-height: 400px;
}

.wizard-image {
  flex: 0 0 38%;
  max-width: 38%;
  position: sticky;
  top: 0;
  align-self: flex-start;
}

.wizard-image img {
  width: 100%;
  max-height: 420px;
  object-fit: contain;
  border-radius: var(--radius);
  background: var(--c-surface-2);
}

.wizard-content {
  flex: 1;
  min-width: 0;
}

/* Step indicator bar */
.step-indicator {
  display: flex;
  justify-content: space-between;
  margin-bottom: 1rem;
  gap: 0.25rem;
}

.step-indicator .step {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.25rem;
  flex: 1;
  position: relative;
  cursor: default;
}

.step-indicator .step .step-number {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  font-weight: 600;
  background: var(--c-surface-2);
  border: 2px solid var(--c-border-strong);
  color: var(--c-text-3);
  transition: all var(--transition);
}

.step-indicator .step .step-label {
  font-size: 0.7rem;
  font-weight: 500;
  color: var(--c-text-3);
  text-align: center;
  transition: color var(--transition);
}

.step-indicator .step.active .step-number {
  background: var(--c-accent);
  border-color: var(--c-accent);
  color: #fff;
}

.step-indicator .step.active .step-label {
  color: var(--c-text);
}

.step-indicator .step.completed .step-number {
  background: var(--c-green);
  border-color: var(--c-green);
  color: #fff;
}

.step-indicator .step.completed .step-label {
  color: var(--c-text-2);
}

/* Wizard steps: only active is visible */
.wizard-step {
  display: none;
}

.wizard-step.active {
  display: block;
}

/* Live score display */
.live-score-display {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.6rem 0.75rem;
  background: var(--c-surface-2);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-sm);
  margin-bottom: 1rem;
}

.live-score-value {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--c-text);
  letter-spacing: -0.02em;
}

.live-score-sep {
  font-size: 0.85rem;
  color: var(--c-text-3);
}

/* Grade badges */
.grade-badge {
  display: inline-block;
  padding: 0.2em 0.6em;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.85rem;
  background: var(--c-surface-3);
  color: var(--c-text-2);
  letter-spacing: 0.02em;
}

.grade-badge-lg {
  font-size: 1.2rem;
  padding: 0.3em 0.8em;
}

.grade-badge.grade-a {
  background: var(--c-green-subtle);
  color: var(--c-green);
}

.grade-badge.grade-b {
  background: var(--c-gold-subtle);
  color: var(--c-gold);
}

.grade-badge.grade-c {
  background: var(--c-red-subtle);
  color: var(--c-red);
}

/* Category scorer widget */
.category-scorer {
  padding: 0.65rem 0.75rem;
  background: var(--c-surface-2);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-sm);
}

/* Letter selector - btn-check integration */
.letter-selector {
  gap: 0;
}

.letter-selector .btn-check:checked + label {
  background: var(--c-accent);
  border-color: var(--c-accent);
  color: #fff;
}

/* Number slider styling for dark theme */
.number-slider {
  cursor: pointer;
}

.number-badge {
  min-width: 28px;
  text-align: center;
}

/* Fault entries */
.fault-entry {
  transition: opacity var(--transition);
}

.fault-entry .fault-description {
  min-width: 0;
}

.fault-entry .remove-fault-btn {
  flex-shrink: 0;
  font-size: 1rem;
  line-height: 1;
  padding: 0.25rem 0.5rem;
}

.fault-category {
  padding: 0.5rem 0.75rem;
  background: var(--c-surface-2);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-sm);
}

/* Draft save indicator */
.draft-indicator {
  text-align: right;
  min-height: 1.2rem;
  margin-bottom: 0.5rem;
}

.draft-indicator #draft-status {
  font-size: 0.75rem;
  color: var(--c-text-3);
  font-style: italic;
}

/* Wizard navigation */
.wizard-nav .btn {
  min-width: 100px;
}

/* Koi navigation */
.koi-nav .btn {
  min-width: 120px;
}

/* Review score cards */
.review-score-card {
  border: 1px solid var(--c-border);
}

.review-overall {
  border: 1px solid var(--c-border);
}

/* Responsive: single column on small screens */
@media (max-width: 768px) {
  .wizard-container {
    flex-direction: column;
  }

  .wizard-image {
    flex: none;
    max-width: 100%;
    position: static;
  }

  .wizard-image img {
    max-height: 200px;
  }

  .step-indicator .step .step-label {
    font-size: 0.6rem;
  }

  .step-indicator .step .step-number {
    width: 24px;
    height: 24px;
    font-size: 0.65rem;
  }
}