/* Global theme and shared widgets. Reuse these classes rather than restyling them per page;
   page-specific rules live next to each component in its .razor.css (Blazor CSS isolation). */
:root {
  --bg-deep: #0a0e17;
  --bg-surface: #111827;
  --bg-card: #1a2332;
  --bg-elevated: #1f2b3d;
  --bg-hover: #243044;
  --bg-input: #0d1520;
  --border-subtle: rgba(255, 255, 255, 0.06);
  --border-default: rgba(255, 255, 255, 0.1);
  --border-strong: rgba(255, 255, 255, 0.18);
  --accent: #00d4aa;
  --accent-dim: rgba(0, 212, 170, 0.15);
  --accent-glow: rgba(0, 212, 170, 0.3);
  --accent-hover: #00eabc;
  --status-queued: #6b7280;
  --status-queued-bg: rgba(107, 114, 128, 0.15);
  --status-running: #3b82f6;
  --status-running-bg: rgba(59, 130, 246, 0.15);
  --status-completed: #10b981;
  --status-completed-bg: rgba(16, 185, 129, 0.15);
  --status-aborting: #f59e0b;
  --status-aborting-bg: rgba(245, 158, 11, 0.15);
  --status-aborted: #9ca3af;
  --status-aborted-bg: rgba(156, 163, 175, 0.1);
  --status-error: #ef4444;
  --status-error-bg: rgba(239, 68, 68, 0.15);
  --text-primary: #ffffff;
  --text-secondary: #c8d0dc;
  --text-muted: #8895a7;
  --text-inverse: #0a0e17;
  --font-display: 'JetBrains Mono', 'Fira Code', monospace;
  --font-body: 'DM Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
  --header-height: 56px;
  --radius-sm: 4px;
  --radius-md: 6px;
  --radius-lg: 10px;
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.5);
  --shadow-glow: 0 0 20px rgba(0, 212, 170, 0.1);
}

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

html, body {
  height: 100%;
  background: var(--bg-deep);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

body::after {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 9999;
  background: repeating-linear-gradient(0deg, transparent, transparent 2px, rgba(0, 0, 0, 0.03) 2px, rgba(0, 0, 0, 0.03) 4px);
}

::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}

::-webkit-scrollbar-track {
  background: var(--bg-deep);
}

::-webkit-scrollbar-thumb {
  background: var(--bg-elevated);
  border-radius: 3px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--bg-hover);
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 3px 10px;
  border-radius: 100px;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  white-space: nowrap;
}
.badge--queued {
  color: var(--status-queued);
  background: var(--status-queued-bg);
  border: 1px solid rgba(107, 114, 128, 0.2);
}
.badge--running {
  color: var(--status-running);
  background: var(--status-running-bg);
  border: 1px solid rgba(59, 130, 246, 0.2);
  animation: pulse-badge 2s ease-in-out infinite;
}
.badge--completed {
  color: var(--status-completed);
  background: var(--status-completed-bg);
  border: 1px solid rgba(16, 185, 129, 0.2);
}
.badge--aborting {
  color: var(--status-aborting);
  background: var(--status-aborting-bg);
  border: 1px solid rgba(245, 158, 11, 0.2);
  animation: pulse-badge 1.5s ease-in-out infinite;
}
.badge--aborted {
  color: var(--status-aborted);
  background: var(--status-aborted-bg);
  border: 1px solid rgba(156, 163, 175, 0.15);
}
.badge--error {
  color: var(--status-error);
  background: var(--status-error-bg);
  border: 1px solid rgba(239, 68, 68, 0.2);
}

@keyframes pulse-badge {
  0%, 100% {
    opacity: 1;
  }
  50% {
    opacity: 0.6;
  }
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 8px 16px;
  border: 1px solid var(--border-default);
  border-radius: var(--radius-md);
  background: var(--bg-elevated);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 15px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.15s ease;
  white-space: nowrap;
}
.btn:hover {
  background: var(--bg-hover);
  border-color: var(--border-strong);
}
.btn:disabled {
  opacity: 0.35;
  cursor: not-allowed;
}
.btn:disabled:hover {
  background: var(--bg-elevated);
  border-color: var(--border-default);
}
.btn--primary {
  background: var(--accent);
  color: var(--text-inverse);
  border-color: var(--accent);
  font-weight: 600;
}
.btn--primary:hover {
  background: var(--accent-hover);
  border-color: var(--accent-hover);
  box-shadow: var(--shadow-glow);
}
.btn--primary:disabled:hover {
  background: var(--accent);
  border-color: var(--accent);
  box-shadow: none;
}
.btn--danger {
  color: var(--status-error);
  border-color: rgba(239, 68, 68, 0.3);
}
.btn--danger:hover {
  background: var(--status-error-bg);
  border-color: var(--status-error);
}
.btn--warning {
  color: var(--status-aborting);
  border-color: rgba(245, 158, 11, 0.3);
}
.btn--warning:hover {
  background: var(--status-aborting-bg);
  border-color: var(--status-aborting);
}
.btn--icon {
  padding: 6px 8px;
  min-width: 32px;
  font-size: 14px;
}
.btn--ghost {
  background: transparent;
  border-color: transparent;
}
.btn--ghost:hover {
  background: var(--bg-hover);
  border-color: transparent;
}

.input, .textarea, .select {
  width: 100%;
  padding: 8px 12px;
  background: var(--bg-input);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 15px;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
  outline: none;
}
.input::placeholder, .textarea::placeholder, .select::placeholder {
  color: var(--text-muted);
}
.input:focus, .textarea:focus, .select:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 2px var(--accent-dim);
}

.textarea {
  resize: vertical;
  min-height: 80px;
  line-height: 1.6;
}

.select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%238b95a5' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 32px;
  cursor: pointer;
}

.card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.data-table {
  width: 100%;
  border-collapse: collapse;
}
.data-table th {
  padding: 10px 14px;
  text-align: left;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--text-muted);
  background: var(--bg-surface);
  border-bottom: 1px solid var(--border-default);
  cursor: pointer;
  user-select: none;
  white-space: nowrap;
  transition: color 0.15s;
}
.data-table th:hover {
  color: var(--text-secondary);
}
.data-table th .sort-icon {
  margin-left: 4px;
  font-size: 9px;
  opacity: 0.5;
}
.data-table th.sorted {
  color: var(--accent);
}
.data-table th.sorted .sort-icon {
  opacity: 1;
}
.data-table td {
  padding: 10px 14px;
  border-bottom: 1px solid var(--border-subtle);
  font-size: 15px;
  color: var(--text-secondary);
  vertical-align: middle;
}
.data-table tbody tr {
  transition: background 0.1s ease;
}
.data-table tbody tr:hover {
  background: var(--bg-hover);
}
.data-table tbody tr.clickable {
  cursor: pointer;
}

.tabs {
  display: flex;
  gap: 0;
  border-bottom: 1px solid var(--border-default);
}
.tabs__tab {
  padding: 10px 20px;
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  color: var(--text-muted);
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  cursor: pointer;
  transition: all 0.15s;
}
.tabs__tab:hover {
  color: var(--text-secondary);
}
.tabs__tab--active {
  color: var(--accent);
  border-bottom-color: var(--accent);
}

.frame {
  padding: 20px;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
}
.frame__title {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.frame__title::before {
  content: "";
  width: 3px;
  height: 14px;
  background: var(--accent);
  border-radius: 2px;
}
.frame__title--toggle {
  cursor: pointer;
  user-select: none;
  transition: color 0.15s;
}
.frame__title--toggle:hover {
  color: var(--text-secondary);
}

.field {
  margin-bottom: 16px;
}
.field__label {
  display: block;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 6px;
}
.field__hint {
  font-size: 13px;
  color: var(--text-muted);
  margin-top: 4px;
  font-style: italic;
}

.page {
  padding: 24px;
  max-width: 1400px;
  margin: 0 auto;
  animation: fadeIn 0.25s ease;
}
.page__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
  gap: 16px;
  flex-wrap: wrap;
}
.page__title {
  font-family: var(--font-display);
  font-size: 24px;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -0.5px;
}
.page__actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(6px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}
.markdown-content {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.75;
  color: var(--text-secondary);
}
.markdown-content h1, .markdown-content h2, .markdown-content h3, .markdown-content h4 {
  color: var(--text-primary);
  font-family: var(--font-display);
  margin: 24px 0 12px;
  letter-spacing: -0.3px;
}
.markdown-content h1 {
  font-size: 26px;
}
.markdown-content h2 {
  font-size: 22px;
}
.markdown-content h3 {
  font-size: 18px;
}
.markdown-content p {
  margin-bottom: 12px;
}
.markdown-content ul, .markdown-content ol {
  margin-bottom: 12px;
  padding-left: 20px;
}
.markdown-content li {
  margin-bottom: 4px;
}
.markdown-content code {
  background: var(--bg-surface);
  padding: 2px 6px;
  border-radius: 3px;
  font-family: var(--font-mono);
  font-size: 14px;
}
.markdown-content pre {
  background: var(--bg-surface);
  padding: 16px;
  border-radius: var(--radius-md);
  overflow-x: auto;
  margin-bottom: 16px;
}
.markdown-content pre code {
  background: none;
  padding: 0;
}
.markdown-content a {
  color: var(--accent);
  text-decoration: none;
}
.markdown-content a:hover {
  text-decoration: underline;
}
.markdown-content blockquote {
  border-left: 3px solid var(--accent);
  padding-left: 16px;
  color: var(--text-muted);
  margin-bottom: 12px;
}
.markdown-content table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 16px;
}
.markdown-content table th, .markdown-content table td {
  padding: 8px 12px;
  border: 1px solid var(--border-default);
  text-align: left;
}
.markdown-content table th {
  background: var(--bg-surface);
  font-weight: 600;
}

.spinner {
  display: inline-block;
  width: 16px;
  height: 16px;
  border: 2px solid var(--border-default);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 64px 24px;
  color: var(--text-muted);
}
.empty-state i {
  font-size: 32px;
  opacity: 0.4;
}

.toggle-btn {
  display: flex;
  border: 1px solid var(--border-default);
  border-radius: var(--radius-md);
  overflow: hidden;
}
.toggle-btn__option {
  padding: 7px 14px;
  background: transparent;
  border: none;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-muted);
  cursor: pointer;
  white-space: nowrap;
  transition: background 0.15s ease, color 0.15s ease;
}
.toggle-btn__option:hover {
  color: var(--text-secondary);
}
.toggle-btn__option--active {
  background: var(--accent);
  color: var(--text-inverse);
}
.toggle-btn__option--active:hover {
  color: var(--text-inverse);
}

.search-box {
  position: relative;
  display: flex;
  align-items: center;
}
.search-box i {
  position: absolute;
  left: 12px;
  font-size: 13px;
  color: var(--text-muted);
  pointer-events: none;
}
.search-box .input {
  width: 280px;
  padding-left: 36px;
}
@media (max-width: 768px) {
  .search-box .input {
    width: 160px;
  }
}

.tile-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 14px;
  margin-top: 20px;
}

.tile {
  position: relative;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 18px;
  text-align: left;
  background: var(--bg-card);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: background 0.15s ease, border-color 0.15s ease, transform 0.15s ease;
}
.tile:hover {
  background: var(--bg-hover);
  border-color: var(--border-strong);
  transform: translateY(-1px);
}
.tile__icon {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  width: 34px;
  height: 34px;
  background: var(--accent-dim);
  border-radius: var(--radius-md);
  color: var(--accent);
  font-size: 14px;
}
.tile__title {
  flex: 1;
  min-width: 0;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-primary);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.tile__badge {
  flex-shrink: 0;
  font-size: 12px;
  color: var(--text-muted);
}

@media (max-width: 768px) {
  .page {
    padding: 16px;
  }
  .page__title {
    font-size: 20px;
  }
  .hide-mobile {
    display: none !important;
  }
}

/* ---- App shell ---- */

.app-main {
  min-height: calc(100vh - var(--header-height) - 44px);
  background: var(--bg-deep);
}

/* ---- Editor pages (analysis definition, knowledge base) ---- */

.unsaved-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-left: 10px;
  padding: 3px 9px;
  border-radius: var(--radius-sm);
  background: var(--status-aborting-bg);
  color: var(--status-aborting);
  font-family: var(--font-mono);
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.unsaved-badge__dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: currentColor;
  animation: pulse-badge 1.5s ease-in-out infinite;
}

.form-error {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 20px;
  padding: 12px 16px;
  border: 1px solid var(--status-error);
  border-radius: var(--radius-md);
  background: var(--status-error-bg);
  color: var(--status-error);
  font-size: 13px;
}

.field__error {
  display: block;
  margin-top: 6px;
  color: var(--status-error);
  font-size: 12px;
}

/* ---- Startup and error UI ---- */

.app-loading {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 16px;
  height: 100vh;
  color: var(--text-muted);
  font-family: var(--font-mono);
  font-size: 13px;
}

.app-loading .spinner {
  width: 28px;
  height: 28px;
}

#blazor-error-ui {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  padding: 10px 20px;
  background: var(--status-error-bg);
  border-top: 1px solid var(--status-error);
  color: var(--text-primary);
  backdrop-filter: blur(8px);
}

#blazor-error-ui .reload {
  margin-left: 8px;
  color: var(--accent);
}

#blazor-error-ui .dismiss {
  position: absolute;
  right: 16px;
  top: 8px;
  cursor: pointer;
}

/* ---- Header ----
   Global rather than AppHeader.razor.css: the nav links are rendered by NavLink, a child component,
   and isolated CSS does not reach elements a child component renders. */

.app-header {
  position: sticky;
  top: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-height);
  padding: 0 20px;
  background: var(--bg-surface);
  border-bottom: 1px solid var(--border-default);
  backdrop-filter: blur(12px);
}
.app-header__left {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}
.app-header__brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: inherit;
  flex-shrink: 0;
}
.app-header__logo {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  background: var(--accent-dim);
  border: 1px solid rgba(0, 212, 170, 0.2);
  border-radius: var(--radius-md);
  color: var(--accent);
  font-size: 15px;
}
.app-header__title {
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -0.3px;
}
.app-header__nav {
  display: flex;
  align-items: center;
  gap: 4px;
  margin-left: 12px;
  padding-left: 16px;
  border-left: 1px solid var(--border-default);
}
.app-header__link {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 6px 12px;
  border-radius: var(--radius-md);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.3px;
  color: var(--text-muted);
  text-decoration: none;
  white-space: nowrap;
  transition: background 0.15s ease, color 0.15s ease;
}
.app-header__link i {
  font-size: 13px;
}
.app-header__link:hover {
  background: var(--bg-hover);
  color: var(--text-secondary);
}
.app-header__link--active {
  background: var(--accent-dim);
  color: var(--accent);
}
@media (max-width: 768px) {
  .app-header__link {
    padding: 6px 9px;
  }
  .app-header__link span {
    display: none;
  }
}
.app-header__right {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}
.app-header__user {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--text-secondary);
  font-size: 13px;
}
.app-header__user i {
  font-size: 16px;
  color: var(--text-muted);
}
@media (max-width: 600px) {
  .app-header__username {
    display: none;
  }
}