/* =====================================================
   DocAI IDP — Design System v2
   Sage × Amber Palette · Light / Dark Mode
   ===================================================== */

/* ---------- Google Fonts ---------- */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=JetBrains+Mono:wght@400;500&display=swap');

/* =====================================================
   DARK MODE TOKENS  (default)
   ===================================================== */
:root,
[data-theme="dark"] {
  /* ── Backgrounds ── */
  --bg:          #111117;
  --bg-raised:   #18181f;
  --surface:     #1e1e28;
  --surface-2:   #25252f;
  --surface-3:   #2d2d3a;

  /* ── Borders ── */
  --border:      rgba(255, 255, 255, 0.07);
  --border-md:   rgba(255, 255, 255, 0.13);
  --border-str:  rgba(255, 255, 255, 0.22);

  /* ── Primary — Amber ── */
  --primary:       #f59e0b;
  --primary-hover: #fbbf24;
  --primary-dim:   rgba(245, 158, 11, 0.13);
  --primary-glow:  rgba(245, 158, 11, 0.30);
  --primary-text:  #111117;   /* text on primary bg */

  /* ── Accent — Emerald ── */
  --accent:        #10b981;
  --accent-dim:    rgba(16, 185, 129, 0.13);

  /* ── Semantic ── */
  --success:      #34d399;
  --success-dim:  rgba(52, 211, 153, 0.13);
  --warning:      #fbbf24;
  --warning-dim:  rgba(251, 191, 36, 0.13);
  --danger:       #f87171;
  --danger-dim:   rgba(248, 113, 113, 0.13);
  --info:         #7dd3fc;
  --info-dim:     rgba(125, 211, 252, 0.13);

  /* ── Text ── */
  --txt-primary:   #ededf2;
  --txt-secondary: #9191a8;
  --txt-muted:     #55556a;

  /* ── Navbar bg ── */
  --navbar-bg: rgba(17, 17, 23, 0.82);

  /* ── Surface overlays ── */
  --glass-soft: rgba(25, 25, 34, 0.92);
  --glass-strong: rgba(29, 30, 39, 0.96);
  --card-tint: rgba(255, 255, 255, 0.018);
  --card-tint-strong: rgba(255, 255, 255, 0.01);
  --workspace-glow: rgba(245, 158, 11, 0.045);
  --workspace-glow-soft: rgba(245, 158, 11, 0.015);
  --table-head-bg: rgba(255, 255, 255, 0.025);
  --row-selected-bg: rgba(245, 158, 11, 0.16);
  --chip-bg: rgba(245, 158, 11, 0.14);
  --chip-border: rgba(245, 158, 11, 0.32);
  --list-item-bg: rgba(255, 255, 255, 0.02);
  --list-item-hover-bg: rgba(255, 255, 255, 0.04);
  --field-bg: rgba(255, 255, 255, 0.02);
  --inset-highlight: rgba(255, 255, 255, 0.035);
  --elevated-shadow: 0 18px 40px rgba(0, 0, 0, 0.32);

  /* ── Shadow ── */
  --shadow-sm:  0 1px 4px  rgba(0,0,0,0.45);
  --shadow-md:  0 4px 20px rgba(0,0,0,0.55);
  --shadow-lg:  0 8px 40px rgba(0,0,0,0.65);

  /* ── Theme toggle icon ── */
  --theme-icon: '☀️';

  color-scheme: dark;
}

/* =====================================================
   LIGHT MODE TOKENS
   ===================================================== */
[data-theme="light"] {
  /* ── Backgrounds ── */
  --bg:          #f5f5f7;
  --bg-raised:   #ffffff;
  --surface:     #ffffff;
  --surface-2:   #f0f0f5;
  --surface-3:   #e8e8ef;

  /* ── Borders ── */
  --border:      rgba(0, 0, 0, 0.08);
  --border-md:   rgba(0, 0, 0, 0.14);
  --border-str:  rgba(0, 0, 0, 0.22);

  /* ── Primary — Amber ── */
  --primary:       #d97706;
  --primary-hover: #b45309;
  --primary-dim:   rgba(217, 119, 6, 0.10);
  --primary-glow:  rgba(217, 119, 6, 0.25);
  --primary-text:  #ffffff;

  /* ── Accent — Emerald ── */
  --accent:        #059669;
  --accent-dim:    rgba(5, 150, 105, 0.10);

  /* ── Semantic ── */
  --success:      #059669;
  --success-dim:  rgba(5, 150, 105, 0.10);
  --warning:      #d97706;
  --warning-dim:  rgba(217, 119, 6, 0.10);
  --danger:       #dc2626;
  --danger-dim:   rgba(220, 38, 38, 0.10);
  --info:         #0369a1;
  --info-dim:     rgba(3, 105, 161, 0.10);

  /* ── Text ── */
  --txt-primary:   #1a1a24;
  --txt-secondary: #5a5a72;
  --txt-muted:     #9898b0;

  /* ── Navbar bg ── */
  --navbar-bg: rgba(255, 255, 255, 0.85);

  /* ── Surface overlays ── */
  --glass-soft: rgba(255, 255, 255, 0.55);
  --glass-strong: rgba(255, 255, 255, 0.8);
  --card-tint: rgba(255, 255, 255, 0.72);
  --card-tint-strong: rgba(255, 255, 255, 0.45);
  --workspace-glow: rgba(245, 158, 11, 0.08);
  --workspace-glow-soft: rgba(245, 158, 11, 0.02);
  --table-head-bg: rgba(127, 127, 159, 0.08);
  --row-selected-bg: rgba(245, 158, 11, 0.12);
  --chip-bg: rgba(245, 158, 11, 0.1);
  --chip-border: rgba(245, 158, 11, 0.26);
  --list-item-bg: rgba(255, 255, 255, 0.72);
  --list-item-hover-bg: rgba(255, 255, 255, 0.92);
  --field-bg: rgba(255, 255, 255, 0.6);
  --inset-highlight: rgba(255, 255, 255, 0.45);
  --elevated-shadow: 0 10px 24px rgba(15, 23, 42, 0.05);

  /* ── Shadow ── */
  --shadow-sm:  0 1px 4px  rgba(0,0,0,0.08);
  --shadow-md:  0 4px 20px rgba(0,0,0,0.10);
  --shadow-lg:  0 8px 40px rgba(0,0,0,0.14);

  /* ── Theme toggle icon ── */
  --theme-icon: '🌙';

  color-scheme: light;
}

/* =====================================================
   SHARED TOKENS (independent of theme)
   ===================================================== */
:root {
  /* Spacing */
  --space-1: 4px;  --space-2: 8px;  --space-3: 12px;
  --space-4: 16px; --space-5: 20px; --space-6: 24px;
  --space-8: 32px;

  /* Radius */
  --radius-sm: 6px;  --radius-md: 10px;
  --radius-lg: 16px; --radius-xl: 22px;

  /* Motion */
  --ease-std:  cubic-bezier(0.4, 0, 0.2, 1);
  --ease-out:  cubic-bezier(0, 0, 0.2, 1);
  --dur-fast:  110ms;
  --dur-std:   200ms;
  --dur-slow:  300ms;
}

/* =====================================================
   GLOBAL TRANSITION for theme switch
   ===================================================== */
*, *::before, *::after {
  box-sizing: border-box;
  transition:
    background-color var(--dur-std) var(--ease-std),
    border-color     var(--dur-std) var(--ease-std),
    color            var(--dur-std) var(--ease-std),
    box-shadow       var(--dur-std) var(--ease-std);
}

/* override for elements that need faster/custom transitions */
.btn, .nav-link, .list-group-item { transition-duration: var(--dur-fast) !important; }
.page, .tab-pane, .alert, .selection-indicator { transition: none !important; }

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', system-ui, sans-serif;
  background-color: var(--bg);
  color: var(--txt-primary);
  padding-top: 62px;
  min-height: 100dvh;
  font-size: 15px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* =====================================================
   NAVBAR
   ===================================================== */
.navbar {
  background: var(--navbar-bg) !important;
  backdrop-filter: blur(24px) saturate(180%);
  -webkit-backdrop-filter: blur(24px) saturate(180%);
  border-bottom: 1px solid var(--border-md);
  height: 62px;
  padding: 0 var(--space-6);
  box-shadow: var(--shadow-sm);
}

.navbar-brand {
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: -0.03em;
  color: var(--txt-primary) !important;
  display: flex;
  align-items: center;
  gap: 10px;
}

/* Amber pulsing dot */
.navbar-brand .brand-dot {
  display: inline-block;
  width: 9px;
  height: 9px;
  background: var(--primary);
  border-radius: 50%;
  box-shadow: 0 0 0 0 var(--primary-glow);
  animation: ripple-dot 2.2s ease-out infinite;
  flex-shrink: 0;
}

@keyframes ripple-dot {
  0%   { box-shadow: 0 0 0 0   var(--primary-glow); }
  60%  { box-shadow: 0 0 0 7px rgba(245,158,11,0); }
  100% { box-shadow: 0 0 0 0   rgba(245,158,11,0); }
}

/* Nav links */
.navbar-nav .nav-link {
  color: var(--txt-secondary) !important;
  font-size: 0.84rem;
  font-weight: 500;
  padding: 6px 11px !important;
  border-radius: var(--radius-sm);
  position: relative;
  letter-spacing: 0.01em;
  white-space: nowrap;
}

.navbar-nav .nav-link:hover {
  color: var(--txt-primary) !important;
  background: var(--border) !important;
}

.navbar-nav .nav-link.active {
  color: var(--primary) !important;
  background: var(--primary-dim) !important;
  font-weight: 600;
}

.navbar-nav .nav-link.active::after {
  content: '';
  position: absolute;
  bottom: -1px;
  left: 20%;
  right: 20%;
  height: 2px;
  background: var(--primary);
  border-radius: 2px 2px 0 0;
  box-shadow: 0 0 6px var(--primary-glow);
}

/* ── Theme toggle button ── */
#theme-toggle {
  background: var(--surface-2);
  border: 1px solid var(--border-md);
  color: var(--txt-secondary);
  border-radius: var(--radius-md);
  width: 34px;
  height: 34px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 1rem;
  flex-shrink: 0;
  padding: 0;
  line-height: 1;
}

#theme-toggle:hover {
  background: var(--primary-dim);
  border-color: var(--primary);
  color: var(--primary);
}

/* =====================================================
   MAIN LAYOUT
   ===================================================== */
#app-content {
  max-width: 1380px;
  margin: 0 auto;
  padding: 28px var(--space-6) 48px;
}

/* Page animation */
.page {
  animation: page-in var(--dur-slow) var(--ease-out) both;
}

.page.d-none { display: none !important; }

@keyframes page-in {
  from { opacity: 0; transform: translateY(10px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* Page headings */
.page > h4 {
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--txt-primary);
  margin-bottom: 10px;
  letter-spacing: -0.03em;
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.page > h4::before {
  content: '';
  display: block;
  width: 3px;
  height: 1.15em;
  background: linear-gradient(180deg, var(--primary), var(--accent));
  border-radius: 3px;
}

.page-intro {
  margin: 0 0 22px;
  max-width: 68ch;
  color: var(--txt-secondary);
  font-size: 0.95rem;
  line-height: 1.7;
}

.section-caption {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 22px 0 12px;
  color: var(--txt-muted);
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.section-caption::before {
  content: '';
  width: 28px;
  height: 1px;
  background: var(--border-str);
}

.section-caption-spaced {
  margin-top: 30px;
}

/* =====================================================
   PANEL / CARD
   ===================================================== */
.panel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  box-shadow: var(--shadow-md);
}

.panel-tight {
  padding: 0;
  overflow: hidden;
}

.card, .tab-content.border {
  background: var(--surface) !important;
  border: 1px solid var(--border) !important;
  border-radius: var(--radius-lg) !important;
  box-shadow: var(--shadow-sm) !important;
}

/* =====================================================
   FORMS
   ===================================================== */
.form-control,
.form-select {
  background: var(--surface-2) !important;
  border: 1px solid var(--border-md) !important;
  color: var(--txt-primary) !important;
  border-radius: var(--radius-md) !important;
  padding: 8px 12px !important;
  font-size: 0.875rem !important;
  font-family: 'Inter', sans-serif !important;
  box-shadow: none !important;
}

.form-control::placeholder { color: var(--txt-muted) !important; }

.form-control:focus,
.form-select:focus {
  border-color: var(--primary) !important;
  box-shadow: 0 0 0 3px var(--primary-dim) !important;
  outline: none !important;
  background: var(--surface-3) !important;
}

.form-label {
  color: var(--txt-muted);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: var(--space-1) !important;
}

/* Field help/description text — Bootstrap defaults .form-text to a dark
   grey (var(--bs-secondary-color)) that never adapts to our data-theme
   switch, so it disappears on the dark background. Bind it to our token. */
.form-text {
  color: var(--txt-secondary) !important;
}

.form-text code {
  color: var(--info);
  font-family: 'JetBrains Mono', monospace;
}

/* Checkboxes & radios */
.form-check-input {
  background-color: var(--surface-3) !important;
  border-color: var(--border-str) !important;
  cursor: pointer;
}

.form-check-input:checked {
  background-color: var(--primary) !important;
  border-color: var(--primary) !important;
  box-shadow: 0 0 0 3px var(--primary-dim) !important;
}

.form-check-input:focus {
  box-shadow: 0 0 0 3px var(--primary-dim) !important;
}

.form-check-label {
  color: var(--txt-secondary);
  cursor: pointer;
  font-size: 0.875rem;
}

/* File input */
input[type="file"].form-control { color: var(--txt-secondary) !important; }

input[type="file"].form-control::file-selector-button {
  background: var(--surface-3);
  color: var(--txt-secondary);
  border: 1px solid var(--border-md);
  border-radius: var(--radius-sm);
  padding: 4px 10px;
  margin-right: 10px;
  font-size: 0.8rem;
  cursor: pointer;
}

input[type="file"].form-control::file-selector-button:hover {
  background: var(--primary-dim);
  color: var(--primary);
  border-color: var(--primary);
}

/* Select options (browser override) */
.form-select option {
  background: var(--surface-2);
  color: var(--txt-primary);
}

/* Textarea */
textarea.form-control { resize: vertical !important; min-height: 80px !important; }

/* Number input */
input[type="number"].form-control {
  font-family: 'JetBrains Mono', monospace !important;
}

/* =====================================================
   BUTTONS
   ===================================================== */
.btn {
  font-weight: 500 !important;
  font-size: 0.84rem !important;
  border-radius: var(--radius-md) !important;
  padding: 7px 15px !important;
  letter-spacing: 0.01em !important;
  cursor: pointer !important;
  display: inline-flex !important;
  align-items: center !important;
  gap: 6px !important;
  white-space: nowrap !important;
}

.btn:active { transform: scale(0.96) !important; }

/* Primary — solid amber */
.btn-primary {
  background: var(--primary) !important;
  border-color: var(--primary) !important;
  color: var(--primary-text) !important;
  box-shadow: 0 2px 10px var(--primary-glow) !important;
  font-weight: 600 !important;
}
.btn-primary:hover {
  background: var(--primary-hover) !important;
  border-color: var(--primary-hover) !important;
  box-shadow: 0 4px 16px var(--primary-glow) !important;
  transform: translateY(-1px) !important;
}
.btn-primary:disabled {
  opacity: 0.45 !important;
  transform: none !important;
  cursor: not-allowed !important;
  box-shadow: none !important;
}

/* Outline primary */
.btn-outline-primary {
  border: 1px solid var(--primary) !important;
  color: var(--primary) !important;
  background: transparent !important;
}
.btn-outline-primary:hover {
  background: var(--primary-dim) !important;
}

/* Outline secondary */
.btn-outline-secondary {
  border: 1px solid var(--border-str) !important;
  color: var(--txt-secondary) !important;
  background: transparent !important;
}
.btn-outline-secondary:hover {
  background: var(--surface-3) !important;
  color: var(--txt-primary) !important;
}

/* Outline success */
.btn-outline-success {
  border: 1px solid var(--success) !important;
  color: var(--success) !important;
  background: transparent !important;
}
.btn-outline-success:hover { background: var(--success-dim) !important; }

/* Outline warning */
.btn-outline-warning {
  border: 1px solid var(--warning) !important;
  color: var(--warning) !important;
  background: transparent !important;
}
.btn-outline-warning:hover { background: var(--warning-dim) !important; }

/* Outline danger */
.btn-outline-danger {
  border: 1px solid var(--danger) !important;
  color: var(--danger) !important;
  background: transparent !important;
}
.btn-outline-danger:hover { background: var(--danger-dim) !important; }
.btn-outline-info {
  border: 1px solid var(--info) !important;
  color: var(--info) !important;
  background: transparent !important;
}
.btn-outline-info:hover { background: var(--info-dim) !important; }

/* Spinner */
.spinner-border-sm { width: 0.85em; height: 0.85em; border-width: 0.15em; }

/* =====================================================
   ACTION TOOLBAR
   ===================================================== */
.action-toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  align-items: center;
  justify-content: space-between;
  padding: 16px 18px;
  border: 1px solid var(--border);
  border-radius: 20px;
  background:
    linear-gradient(180deg, var(--glass-soft), transparent),
    var(--surface);
  box-shadow: var(--shadow-sm);
}

.action-group {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  align-items: center;
}

.action-group-danger {
  margin-left: auto;
  padding-left: 12px;
  border-left: 1px solid var(--border);
}

/* ── 任務頁：sticky 工具列 + 勾選欄（設計 §4.1）── */
#page-tasks .action-toolbar {
  position: sticky;
  top: 62px;          /* navbar 高度 */
  z-index: 900;       /* 低於 .navbar.fixed-top(1030)、高於表格內容 */
}

.task-check-cell {
  width: 36px;
  text-align: center;
}

.task-check,
#tasks-select-all {
  width: 16px;
  height: 16px;
  cursor: pointer;
  vertical-align: middle;
}

.batch-count {
  font-variant-numeric: tabular-nums;
}

.selection-count {
  align-self: center;
  font-size: 0.8rem;
  color: var(--txt-muted);
  white-space: nowrap;
}

/* =====================================================
   WORKSPACE
   ===================================================== */
.workspace-shell {
  background:
    radial-gradient(circle at top right, var(--workspace-glow), transparent 22%),
    linear-gradient(180deg, var(--glass-strong), var(--card-tint-strong)),
    var(--surface);
  border: 1px solid var(--border);
  border-radius: 24px;
  box-shadow: var(--shadow-md);
  overflow: hidden;
}

.workspace-header {
  display: flex;
  justify-content: space-between;
  gap: var(--space-4);
  align-items: flex-start;
  padding: 22px 24px 16px;
  border-bottom: 1px solid var(--border);
  background: linear-gradient(180deg, var(--workspace-glow), var(--workspace-glow-soft));
}

.workspace-header-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: var(--space-2);
  align-items: center;
}

.workspace-eyebrow {
  color: var(--txt-muted);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.68rem;
  font-weight: 700;
  margin-bottom: 6px;
}

.workspace-title {
  margin: 0;
  font-size: 1.2rem;
  font-weight: 700;
  letter-spacing: -0.04em;
}

.workspace-title-sm {
  font-size: 0.95rem;
}

.workspace-context {
  margin-top: 10px;
  color: var(--txt-secondary);
  font-size: 0.92rem;
  line-height: 1.6;
}

.workspace-notice {
  min-height: 24px;
  padding: 0 24px;
}

.workspace-notice:empty {
  display: none;
}

.workspace-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  padding: 0 24px 18px;
}

.workspace-tab {
  border: 1px solid var(--border);
  background: var(--card-tint);
  color: var(--txt-secondary);
  border-radius: 999px;
  font-size: 0.82rem;
  font-weight: 600;
  padding: 9px 14px;
  box-shadow: inset 0 1px 0 var(--inset-highlight);
}

.workspace-tab.is-hidden {
  display: none;
}

.workspace-tab.is-active {
  background: linear-gradient(180deg, rgba(245, 158, 11, 0.18), rgba(245, 158, 11, 0.1));
  border-color: var(--primary);
  color: var(--primary);
  box-shadow:
    inset 0 0 0 1px var(--primary-glow),
    0 4px 12px rgba(245, 158, 11, 0.12);
}

.workspace-empty {
  padding: 34px 24px 38px;
  text-align: center;
  color: var(--txt-secondary);
  min-height: 170px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.workspace-empty.is-hidden {
  display: none;
}

.workspace-empty i {
  display: block;
  font-size: 2.2rem;
  opacity: 0.4;
  margin-bottom: var(--space-3);
}

.workspace-empty-title {
  color: var(--txt-primary);
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: var(--space-2);
}

.workspace-empty p {
  max-width: 42ch;
  margin: 0 auto;
  line-height: 1.85;
  text-wrap: balance;
  overflow-wrap: anywhere;
}

.workspace-body {
  padding: 0 24px 24px;
}

.workspace-body.is-collapsed {
  display: none;
}

.workspace-pane {
  display: none;
}

.workspace-pane.is-active {
  display: block;
}

.workspace-pane-actions {
  display: flex;
  justify-content: flex-end;
  margin-bottom: var(--space-3);
}

.workspace-detail-card,
.code-workspace,
.markdown-workspace,
#tasks-asset-list,
#review-summary,
#results-meta {
  background:
    linear-gradient(180deg, var(--card-tint), var(--card-tint-strong)),
    var(--bg-raised);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 22px;
  box-shadow:
    inset 0 1px 0 var(--inset-highlight),
    var(--elevated-shadow);
}

.workspace-detail-card:empty,
.markdown-workspace:empty,
#tasks-asset-list:empty,
#review-summary:empty,
#results-meta:empty {
  display: none;
}

.workspace-detail-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 14px;
}

.workspace-field {
  padding: 14px 15px;
  border-radius: 14px;
  background: var(--field-bg);
  border: 1px solid var(--border);
}

.workspace-field-label {
  display: block;
  color: var(--txt-muted);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 6px;
}

.workspace-field-value {
  color: var(--txt-primary);
  font-size: 0.88rem;
  line-height: 1.55;
  overflow-wrap: anywhere;
  word-break: break-word;
}

.results-layout {
  display: grid;
  grid-template-columns: minmax(280px, 360px) minmax(0, 1fr);
  gap: 20px;
  align-items: start;
}

.results-sidebar {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.results-sidebar-header {
  display: flex;
  justify-content: space-between;
  gap: var(--space-3);
  align-items: flex-start;
}

.results-sidebar .list-group-item {
  overflow: hidden;
}

.results-sidebar .list-group-item strong {
  display: block;
  margin-bottom: 8px;
  line-height: 1.45;
  overflow-wrap: anywhere;
}

.results-sidebar .list-group-item .badge {
  display: inline-flex !important;
  max-width: 100%;
  white-space: normal !important;
  text-align: left;
  line-height: 1.45;
  overflow-wrap: anywhere;
}

/* =====================================================
   TABLES
   ===================================================== */
.table {
  color: var(--txt-primary) !important;
  /* Kill ALL Bootstrap table CSS variables so our tokens take full control */
  --bs-table-bg:             transparent;
  --bs-table-striped-bg:     transparent;
  --bs-table-hover-bg:       transparent;
  --bs-table-border-color:   var(--border);
  /* ← These are the ones that control td text colour — Bootstrap injects them
       into every td via its own rule, bypassing our .table { color } shorthand */
  --bs-table-color:          var(--txt-primary);
  --bs-table-striped-color:  var(--txt-primary);
  --bs-table-hover-color:    var(--txt-primary);
  --bs-table-active-bg:      var(--primary-dim);
  --bs-table-active-color:   var(--primary);
  border-color: var(--border) !important;
  font-size: 0.85rem !important;
  margin-bottom: 0 !important;
}

/* Thead: subtle header band */
.table thead tr {
  background: var(--table-head-bg) !important;
}

.table thead th {
  background: transparent !important;
  color: var(--txt-muted) !important;
  font-size: 0.72rem !important;
  font-weight: 700 !important;
  text-transform: uppercase !important;
  letter-spacing: 0.09em !important;
  border-bottom: 1px solid var(--border-md) !important;
  border-top: none !important;
  padding: 14px 18px !important;
  white-space: nowrap !important;
}

/* Tbody rows: fully transparent, row dividers are hairlines */
.table tbody tr {
  background: transparent !important;
}

.table tbody td {
  background: transparent !important;
  /* Use a very faint row divider — much softer than the default */
  border-color: var(--border) !important;
  border-top: none !important;
  border-bottom: 1px solid var(--border) !important;
  border-left: none !important;
  border-right: none !important;
  padding: 16px 18px !important;
  vertical-align: middle !important;
  transition: background var(--dur-fast) var(--ease-std), color var(--dur-fast) !important;
}

/* Remove the bottom border from the last row to avoid double-border with the card */
.table tbody tr:last-child td { border-bottom: none !important; }

/* First column — monospace task IDs */
td:first-child {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.78rem;
  color: var(--txt-muted);
}

/* Hover — soft amber wash over the whole row */
.table-hover tbody tr { cursor: pointer; }
.table-hover tbody tr:hover td {
  background: var(--primary-dim) !important;
}

/* ── Row selection — the key UX fix ── */
.table tbody tr.selected td {
  background: var(--row-selected-bg) !important;
  color: var(--primary) !important;
  font-weight: 500 !important;
}

/* Amber left-border accent bar on first cell */
.table tbody tr.selected td:first-child { position: relative; }
.table tbody tr.selected td:first-child::before {
  content: '';
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 3px;
  background: var(--primary);
  border-radius: 0 2px 2px 0;
  box-shadow: 2px 0 8px var(--primary-glow);
}

/* ── Selection chip ── */
.selection-indicator {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--chip-bg);
  border: 1px solid var(--chip-border);
  border-radius: 999px;
  padding: 6px 12px;
  font-size: 0.76rem;
  font-weight: 600;
  color: var(--primary);
  font-family: 'JetBrains Mono', monospace;
  animation: chip-in var(--dur-std) var(--ease-out) both;
}

.selection-indicator::before { content: '✓'; }

@keyframes chip-in {
  from { opacity: 0; transform: scale(0.85) translateY(-4px); }
  to   { opacity: 1; transform: scale(1) translateY(0); }
}

/* =====================================================
   LIST GROUP (Results page)
   ===================================================== */
.list-group {
  border: none !important;
  display: flex !important;
  flex-direction: column !important;
  gap: 10px !important;
}

.list-group-item {
  background: var(--list-item-bg) !important;
  border: 1px solid var(--border) !important;
  border-radius: 16px !important;
  color: var(--txt-primary) !important;
  cursor: pointer !important;
  padding: 14px 16px !important;
  font-size: 0.875rem !important;
  position: relative !important;
  box-shadow: 0 6px 16px rgba(15, 23, 42, 0.04) !important;
}

.list-group-item:hover {
  background: var(--list-item-hover-bg) !important;
  border-color: var(--border-md) !important;
  transform: translateY(-1px);
}

/* Selected list item */
.list-group-item.selected {
  background: rgba(245, 158, 11, 0.1) !important;
  border-color: var(--primary-glow) !important;
  border-left: 3px solid var(--primary) !important;
  color: var(--primary) !important;
  font-weight: 600 !important;
  box-shadow: 0 2px 12px var(--primary-dim) !important;
}

.list-group-item.selected strong { color: var(--primary) !important; }

/* =====================================================
   BADGES
   ===================================================== */
.badge {
  font-size: 0.7rem !important;
  font-weight: 700 !important;
  letter-spacing: 0.04em !important;
  padding: 3px 8px !important;
  border-radius: 20px !important;
  font-family: 'Inter', sans-serif !important;
}

.text-bg-secondary { background: var(--surface-3) !important; color: var(--txt-secondary) !important; border: 1px solid var(--border-md) !important; }
.text-bg-primary   { background: var(--primary-dim) !important; color: var(--primary) !important; border: 1px solid var(--primary-glow) !important; }
.text-bg-success   { background: var(--success-dim) !important; color: var(--success) !important; border: 1px solid var(--accent-dim) !important; }
.text-bg-danger    { background: var(--danger-dim) !important;  color: var(--danger) !important;  border: 1px solid rgba(248,113,113,0.25) !important; }
.text-bg-warning   { background: var(--warning-dim) !important; color: var(--warning) !important; border: 1px solid rgba(251,191,36,0.25) !important; }
.text-bg-info      { background: var(--info-dim) !important;    color: var(--info) !important;    border: 1px solid rgba(125,211,252,0.25) !important; }
.text-bg-dark      { background: var(--surface-3) !important;   color: var(--txt-muted) !important; }

/* =====================================================
   ALERTS
   ===================================================== */
.alert {
  border-radius: 14px !important;
  padding: 12px 14px !important;
  font-size: 0.85rem !important;
  border: 1px solid transparent !important;
  animation: alert-in var(--dur-std) var(--ease-out) both !important;
}

@keyframes alert-in {
  from { opacity: 0; transform: translateY(-5px); }
  to   { opacity: 1; transform: translateY(0); }
}

.alert-success { background: var(--success-dim) !important; border-color: var(--accent-dim) !important;    color: var(--success) !important; }
.alert-danger  { background: var(--danger-dim)  !important; border-color: rgba(248,113,113,0.2) !important; color: var(--danger)  !important; }
.alert-warning { background: var(--warning-dim) !important; border-color: rgba(251,191,36,0.2)  !important; color: var(--warning) !important; }
.alert-info    { background: var(--info-dim)    !important; border-color: rgba(125,211,252,0.2) !important; color: var(--info)    !important; }

/* =====================================================
   TABS (Tools page)
   ===================================================== */
.nav-tabs {
  border-bottom: 1px solid var(--border-md) !important;
  gap: 4px !important;
}

.nav-tabs .nav-link {
  color: var(--txt-muted) !important;
  background: transparent !important;
  border: 1px solid transparent !important;
  border-radius: var(--radius-sm) var(--radius-sm) 0 0 !important;
  padding: 8px 16px !important;
  font-size: 0.84rem !important;
  font-weight: 500 !important;
}

.nav-tabs .nav-link:hover {
  color: var(--txt-primary) !important;
  background: var(--border) !important;
  border-color: var(--border-md) !important;
}

.nav-tabs .nav-link.active {
  background: var(--surface) !important;
  border-color: var(--border-md) var(--border-md) var(--surface) !important;
  color: var(--primary) !important;
  font-weight: 700 !important;
}

.tab-content.border {
  border-radius: 0 var(--radius-md) var(--radius-md) var(--radius-md) !important;
  background: var(--surface) !important;
  border-color: var(--border-md) !important;
  padding: var(--space-5) !important;
}

.tab-pane { animation: page-in var(--dur-std) var(--ease-out) both; }

/* =====================================================
   PROGRESS BAR
   ===================================================== */
.progress {
  background: var(--surface-3) !important;
  border-radius: 20px !important;
  height: 7px !important;
  overflow: hidden !important;
}

.progress-bar {
  background: linear-gradient(90deg, var(--primary), var(--accent)) !important;
  border-radius: 20px !important;
  transition: width 0.6s var(--ease-std) !important;
  box-shadow: 0 0 8px var(--primary-glow) !important;
  font-size: 0 !important;
}

/* =====================================================
   TASK DETAIL CARD
   ===================================================== */
#tasks-detail > div { margin-bottom: 6px; }
#tasks-detail .progress { margin-top: 10px; height: 8px !important; }
#tasks-detail .progress-bar { font-size: 0.7rem !important; line-height: 8px !important; text-align: center !important; }

/* =====================================================
   POLLING INDICATOR
   ===================================================== */
#tasks-polling {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--txt-muted) !important;
  font-size: 0.76rem !important;
  padding: 4px 12px;
  background: var(--surface-2);
  border-radius: 20px;
  width: fit-content;
  border: 1px solid var(--border);
}

#tasks-polling:not(:empty)::before {
  content: '';
  display: inline-block;
  width: 6px;
  height: 6px;
  background: var(--success);
  border-radius: 50%;
  flex-shrink: 0;
  animation: pulse-live 1.6s ease-in-out infinite;
}

@keyframes pulse-live {
  0%, 100% { opacity: 1; transform: scale(1); }
  50%       { opacity: 0.4; transform: scale(0.7); }
}

/* =====================================================
   RESULTS CONTENT AREAS
   ===================================================== */
.markdown-workspace {
  color: var(--txt-primary) !important;
  font-size: 0.96rem !important;
  line-height: 1.85 !important;
}

.markdown-workspace > * {
  max-width: 82ch;
}

.markdown-workspace h1, .markdown-workspace h2, .markdown-workspace h3, .markdown-workspace h4 {
  color: var(--txt-primary);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-top: 1.5em;
}

.markdown-workspace p,
.markdown-workspace li {
  overflow-wrap: anywhere;
  word-break: break-word;
}

.markdown-workspace table {
  display: block;
  width: 100%;
  overflow-x: auto;
  border-collapse: collapse;
  margin: 1.2rem 0;
}

.markdown-workspace th,
.markdown-workspace td {
  border: 1px solid var(--border-md);
  padding: 10px 12px;
}

.markdown-workspace img {
  max-width: 100%;
  display: block;
  margin: 1rem 0;
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
}

.markdown-workspace code,
.code-workspace pre {
  background: var(--surface-3) !important;
  border: 1px solid var(--border-md) !important;
  border-radius: 4px !important;
  color: var(--info) !important;
  font-family: 'JetBrains Mono', monospace !important;
  font-size: 0.82rem !important;
  padding: 2px 6px !important;
}

.code-workspace pre,
#results-tags pre {
  background: var(--surface-2) !important;
  border: 1px solid var(--border) !important;
  border-radius: var(--radius-md) !important;
  color: var(--info) !important;
  font-family: 'JetBrains Mono', monospace !important;
  font-size: 0.8rem !important;
  padding: var(--space-4) !important;
  white-space: pre-wrap !important;
  word-break: break-word !important;
  overflow-x: auto !important;
}

.asset-item + .asset-item {
  border-top: 1px dashed var(--border-md);
  padding-top: 18px;
  margin-top: 18px;
}

.asset-item img {
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
}

[data-theme="dark"] .action-toolbar {
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.02), transparent),
    var(--surface);
  border-color: rgba(255, 255, 255, 0.08);
  box-shadow: 0 14px 32px rgba(0, 0, 0, 0.28);
}

[data-theme="dark"] .workspace-shell {
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.02), transparent 28%),
    linear-gradient(180deg, rgba(245, 158, 11, 0.035), rgba(245, 158, 11, 0.008) 22%, transparent 22%),
    var(--surface);
  border-color: rgba(255, 255, 255, 0.08);
  box-shadow: 0 18px 48px rgba(0, 0, 0, 0.3);
}

[data-theme="dark"] .workspace-header {
  background:
    linear-gradient(180deg, rgba(245, 158, 11, 0.03), rgba(245, 158, 11, 0.01)),
    linear-gradient(180deg, rgba(255, 255, 255, 0.01), transparent);
}

[data-theme="dark"] .workspace-detail-card,
[data-theme="dark"] .code-workspace,
[data-theme="dark"] .markdown-workspace,
[data-theme="dark"] #tasks-asset-list,
[data-theme="dark"] #review-summary,
[data-theme="dark"] #results-meta {
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.018), rgba(255, 255, 255, 0.008)),
    var(--bg-raised);
  border-color: rgba(255, 255, 255, 0.07);
}

[data-theme="dark"] .workspace-tab {
  background: rgba(255, 255, 255, 0.02);
}

[data-theme="dark"] .workspace-tab.is-active {
  background: rgba(245, 158, 11, 0.12);
  box-shadow:
    inset 0 0 0 1px rgba(245, 158, 11, 0.25),
    0 6px 18px rgba(245, 158, 11, 0.08);
}

[data-theme="dark"] .workspace-empty i,
[data-theme="dark"] .workspace-empty p,
[data-theme="dark"] .workspace-context {
  color: #9a9ab1;
}

[data-theme="dark"] .section-caption,
[data-theme="dark"] .workspace-eyebrow {
  color: #7c7c92;
}

/* =====================================================
   SETTINGS PAGE
   ===================================================== */
#auth-token-wrap,
#polling-wrap {
  padding-top: var(--space-3) !important;
  border-top: 1px dashed var(--border-md) !important;
  margin-top: var(--space-2) !important;
}

/* =====================================================
   UPLOAD DRAG ZONE
   ===================================================== */
#upload-file {
  border-style: dashed !important;
  border-width: 2px !important;
  border-color: var(--border-str) !important;
  padding: var(--space-5) !important;
  background: var(--surface-2) !important;
  cursor: pointer !important;
}

#upload-file:hover {
  border-color: var(--primary) !important;
  background: var(--primary-dim) !important;
}

/* =====================================================
   TOOL OUTPUT AREAS
   ===================================================== */
[id$="-out"] { margin-top: var(--space-4); }

[id$="-out"] pre {
  background: var(--surface-2) !important;
  border: 1px solid var(--border) !important;
  border-radius: var(--radius-md) !important;
  color: var(--info) !important;
  font-family: 'JetBrains Mono', monospace !important;
  font-size: 0.8rem !important;
  padding: var(--space-4) !important;
  white-space: pre-wrap !important;
  word-break: break-word !important;
  max-height: 400px !important;
  overflow-y: auto !important;
}

/* =====================================================
   SCROLLBARS
   ===================================================== */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb {
  background: var(--border-str);
  border-radius: 3px;
}
::-webkit-scrollbar-thumb:hover { background: var(--txt-muted); }

/* =====================================================
   MISC UTILITIES
   ===================================================== */
.text-muted  { color: var(--txt-muted) !important; }
.small       { font-size: 0.8rem !important; }
.d-flex.gap-2 { flex-wrap: wrap; }
.table-hover tbody tr { cursor: pointer; }

/* =====================================================
   EMPTY STATE
   ===================================================== */
.empty-state {
  text-align: center;
  padding: var(--space-8) var(--space-4);
  color: var(--txt-muted);
  font-size: 0.875rem;
}

.empty-state .icon {
  font-size: 2.5rem;
  margin-bottom: var(--space-4);
  opacity: 0.35;
}

/* =====================================================
   RESPONSIVE
   ===================================================== */
@media (max-width: 768px) {
  body { padding-top: 56px; }
  #page-tasks .action-toolbar { top: 56px; }
  .navbar-nav { flex-wrap: wrap; gap: 2px !important; }
  .navbar-nav .nav-link { padding: 5px 8px !important; font-size: 0.78rem !important; }
  #app-content { padding: var(--space-4) var(--space-3); }
  .btn { padding: 6px 12px !important; font-size: 0.8rem !important; }
  .table thead th, .table tbody td { padding: 8px 10px !important; font-size: 0.8rem !important; }
  .workspace-header,
  .results-sidebar-header,
  .action-toolbar {
    flex-direction: column;
    align-items: stretch;
  }
  .workspace-header-actions {
    justify-content: flex-start;
  }
  .action-group-danger {
    margin-left: 0;
    padding-left: 0;
    border-left: 0;
  }
  .results-layout {
    grid-template-columns: 1fr;
  }
  .workspace-body {
    padding: 0 var(--space-4) var(--space-4);
  }
  .workspace-tabs,
  .workspace-header,
  .workspace-notice {
    padding-left: var(--space-4);
    padding-right: var(--space-4);
  }
  .action-toolbar {
    padding: 14px;
  }
}