/* Work To Web — application styles.
   Grade-badge colours ported from server/pipeline/grade_report.py (DR §5.2).
   No external asset references; all styles are local (E2).
*/

/* ---------------------------------------------------------------------------
   Grade badges
   Used in both leaderboard and consultant entry grids, and in the popup.
   Class names: .badge .grade-A .. .grade-F .grade-none
   --------------------------------------------------------------------------- */

.badge {
  display: inline-block;
  padding: 0.15em 0.45em;
  border-radius: 0.25em;
  font-weight: 700;
  font-size: 0.85em;
  min-width: 1.8em;
  text-align: center;
  cursor: default;
}

.grade-A    { color: #155724; background: #d4edda; }
.grade-B    { color: #0c5460; background: #d1ecf1; }
.grade-C    { color: #856404; background: #fff3cd; }
.grade-D    { color: #7d3102; background: #fde6cc; }
.grade-F    { color: #721c24; background: #f8d7da; }
.grade-none { color: #6c757d; background: #e9ecef; }

/* ---------------------------------------------------------------------------
   Navigation bar
   --------------------------------------------------------------------------- */

.app-nav {
  display: flex;
  align-items: center;
  padding: 0.5rem 1rem;
  background: #343a40;
  color: #fff;
  gap: 0.75rem;
}

.app-nav__brand {
  font-weight: 700;
  font-size: 1.1rem;
  color: #fff;
  text-decoration: none;
}

.app-nav__brand:hover { text-decoration: underline; }

.app-nav__spacer { flex: 1; }

.app-nav__user { font-size: 0.9rem; color: #adb5bd; }

.app-nav__logout {
  background: none;
  border: 1px solid #6c757d;
  color: #adb5bd;
  padding: 0.2em 0.6em;
  border-radius: 0.2em;
  cursor: pointer;
  font-size: 0.85rem;
}

.app-nav__logout:hover { border-color: #fff; color: #fff; }

/* ---------------------------------------------------------------------------
   Main content area
   --------------------------------------------------------------------------- */

.app-main {
  padding: 1rem 1.25rem;
  font-family: system-ui, -apple-system, sans-serif;
  font-size: 0.95rem;
}

/* ---------------------------------------------------------------------------
   Flash messages
   --------------------------------------------------------------------------- */

.flash-messages { margin-bottom: 1rem; }

.flash {
  padding: 0.6em 1em;
  border-radius: 0.3em;
  margin-bottom: 0.4rem;
  font-size: 0.9rem;
}

.flash--error   { background: #f8d7da; color: #721c24; }
.flash--warning { background: #fff3cd; color: #856404; }
.flash--info    { background: #d1ecf1; color: #0c5460; }
.flash--success { background: #d4edda; color: #155724; }

/* ---------------------------------------------------------------------------
   Loading / error states (used by leaderboard.js and consultant.js)
   --------------------------------------------------------------------------- */

.grid-loading, .grid-error {
  padding: 1.5rem;
  text-align: center;
  color: #6c757d;
  font-size: 0.95rem;
}

.grid-error { color: #721c24; }

/* ---------------------------------------------------------------------------
   Login page
   --------------------------------------------------------------------------- */

.login-container {
  max-width: 380px;
  margin: 60px auto;
  padding: 24px;
  background: #fff;
  border: 1px solid #dee2e6;
  border-radius: 6px;
}

.login-title {
  font-size: 1.5rem;
  margin: 0 0 4px;
}

.login-subtitle {
  color: #6c757d;
  margin: 0 0 20px;
  font-size: 0.875rem;
}

.login-form {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.login-field {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.login-field label {
  font-size: 0.875rem;
  font-weight: 500;
}

.login-field input {
  padding: 7px 10px;
  border: 1px solid #ced4da;
  border-radius: 4px;
  font-size: 1rem;
}

.login-field input:focus {
  outline: 2px solid #0d6efd;
  border-color: #0d6efd;
}

.login-field-error {
  color: #dc3545;
  font-size: 0.8rem;
}

.login-submit {
  padding: 9px;
  background: #0d6efd;
  color: #fff;
  border: none;
  border-radius: 4px;
  font-size: 1rem;
  cursor: pointer;
}

.login-submit:hover { background: #0b5ed7; }

/* ---------------------------------------------------------------------------
   Page toolbar (leaderboard + consultant pages)
   --------------------------------------------------------------------------- */

.page-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.75rem;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.page-toolbar__left,
.page-toolbar__right {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.run-selector-label {
  font-size: 0.9rem;
  font-weight: 500;
}

.run-selector {
  font-size: 0.875rem;
  padding: 0.25em 0.5em;
  border: 1px solid #ced4da;
  border-radius: 0.25em;
  min-width: 240px;
}

.export-btn {
  font-size: 0.875rem;
  padding: 0.3em 0.75em;
  background: #198754;
  color: #fff;
  border: none;
  border-radius: 0.25em;
  cursor: pointer;
}

.export-btn:hover { background: #157347; }

/* ---------------------------------------------------------------------------
   Handsontable grid container
   Used on both home (leaderboard) and consultant pages.
   Height fills the viewport below the nav + toolbar (~140px combined).
   --------------------------------------------------------------------------- */

.leaderboard-grid,
.consultant-grid {
  width: 100%;
  height: calc(100vh - 140px);
}

/* ---------------------------------------------------------------------------
   AI Suggestion panel (TWA S8)
   --------------------------------------------------------------------------- */

.ai-suggest-btn {
  font-size: 0.85rem;
  padding: 0.35em 0.75em;
  background: #6f42c1;
  color: #fff;
  border: none;
  border-radius: 0.25em;
  cursor: pointer;
  font-weight: 600;
}

.ai-suggest-btn:hover:not(:disabled) { background: #5a32a3; }
.ai-suggest-btn:disabled {
  opacity: 0.65;
  cursor: not-allowed;
}

.ai-suggest-spinner {
  display: inline-block;
  animation: spin 1s linear infinite;
  vertical-align: middle;
  margin-right: 0.25em;
}

@keyframes spin {
  from { transform: rotate(0deg); }
  to   { transform: rotate(360deg); }
}

.ai-suggest-section {
  margin-top: 0.5rem;
  padding: 0.5rem 0;
  border-top: 1px solid #dee2e6;
}

.ai-suggest-section h4 {
  margin: 0 0 0.25rem 0;
  font-size: 0.9rem;
  font-weight: 600;
}

.ai-suggest-text {
  background: #f8f9fa;
  border: 1px solid #dee2e6;
  border-radius: 0.25em;
  padding: 0.5em 0.6em;
  font-size: 0.85rem;
  white-space: pre-wrap;
  word-wrap: break-word;
  margin: 0.25rem 0;
  max-height: 250px;
  overflow-y: auto;
}

.ai-suggest-predicted {
  font-size: 0.85rem;
  margin: 0.25rem 0;
}

.ai-suggest-meta {
  font-size: 0.8rem;
  color: #6c757d;
  margin: 0.25rem 0;
}

.ai-suggest-fabricated {
  margin-top: 0.4rem;
  padding: 0.4rem 0.6rem;
  background: #fff3cd;
  border: 1px solid #ffc107;
  border-radius: 0.25em;
}

.ai-suggest-fabricated h4 {
  font-size: 0.85rem;
  margin: 0 0 0.2rem 0;
  color: #856404;
}

.ai-suggest-fab-list {
  margin: 0.15rem 0 0 1.2em;
  padding: 0;
  font-size: 0.82rem;
  color: #664d03;
}

.ai-suggest-fab-list li {
  margin-bottom: 0.1rem;
}

.ai-suggest-actions {
  margin-top: 0.5rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.ai-suggest-copy-btn {
  font-size: 0.82rem;
  padding: 0.25em 0.6em;
  background: #0d6efd;
  color: #fff;
  border: none;
  border-radius: 0.25em;
  cursor: pointer;
}

.ai-suggest-copy-btn:hover { background: #0b5ed7; }

.ai-suggest-error {
  font-size: 0.85rem;
  padding: 0.4em 0.6em;
  margin-top: 0.4rem;
}

.ai-suggest-error--error {
  color: #721c24;
  background: #f8d7da;
  border: 1px solid #f5c6cb;
  border-radius: 0.25em;
}

.ai-suggest-error--warning {
  color: #856404;
  background: #fff3cd;
  border: 1px solid #ffeeba;
  border-radius: 0.25em;
}