/* ============================================================
   HighwayPro India — Enterprise Engineering Suite
   Professional Dark/Light Theme with Industrial Design
   ============================================================ */

/* --- CSS Variables / Theme --- */
:root {
  --bg-primary: #0a0e17;
  --bg-secondary: #111827;
  --bg-tertiary: #1a2332;
  --bg-card: #141d2b;
  --bg-card-hover: #1a2638;
  --bg-input: #0f1729;
  --bg-sidebar: #0f1a2e;
  --bg-panel: #0e1625;
  --border-color: #1e293b;
  --border-light: #2a3a4e;
  --border-accent: #3b82f6;
  --text-primary: #e2e8f0;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --text-inverse: #0a0e17;
  --accent-blue: #3b82f6;
  --accent-blue-dim: #1d4ed8;
  --accent-blue-glow: rgba(59,130,246,0.15);
  --accent-green: #10b981;
  --accent-green-dim: #059669;
  --accent-amber: #f59e0b;
  --accent-red: #ef4444;
  --accent-purple: #8b5cf6;
  --accent-cyan: #06b6d4;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', 'Consolas', monospace;
  --font-display: 'Inter', sans-serif;
  --radius-sm: 4px;
  --radius-md: 6px;
  --radius-lg: 8px;
  --radius-xl: 12px;
  --shadow-card: 0 1px 3px rgba(0,0,0,0.4), 0 1px 2px rgba(0,0,0,0.3);
  --shadow-elevated: 0 4px 6px rgba(0,0,0,0.5), 0 10px 15px rgba(0,0,0,0.4);
  --shadow-glow: 0 0 20px rgba(59,130,246,0.1);
  --sidebar-width: 260px;
  --header-height: 56px;
  --transition: 0.2s ease;
}

[data-theme="light"] {
  --bg-primary: #f0f2f5;
  --bg-secondary: #ffffff;
  --bg-tertiary: #e8ecf1;
  --bg-card: #ffffff;
  --bg-card-hover: #f8fafc;
  --bg-input: #f1f5f9;
  --bg-sidebar: #1e293b;
  --bg-panel: #f8fafc;
  --border-color: #e2e8f0;
  --border-light: #cbd5e1;
  --border-accent: #3b82f6;
  --text-primary: #1e293b;
  --text-secondary: #475569;
  --text-muted: #94a3b8;
  --text-inverse: #f8fafc;
  --shadow-card: 0 1px 2px rgba(0,0,0,0.06), 0 1px 3px rgba(0,0,0,0.1);
  --shadow-elevated: 0 4px 6px rgba(0,0,0,0.07), 0 10px 15px rgba(0,0,0,0.1);
  --shadow-glow: 0 0 20px rgba(59,130,246,0.08);
}

/* Light mode sidebar — professional light sidebar with dark text */
[data-theme="light"] {
  --bg-sidebar: #f0f2f5;
}
[data-theme="light"] .sidebar {
  background: var(--bg-sidebar);
  border-right-color: #d1d5db;
}
[data-theme="light"] .sidebar-brand { border-bottom-color: #d1d5db; }
[data-theme="light"] .sidebar-brand .brand-text { color: #1e293b; }
[data-theme="light"] .sidebar-brand .brand-text small { color: #3b82f6; }
[data-theme="light"] .nav-item { color: #475569; }
[data-theme="light"] .nav-item:hover { background: rgba(59,130,246,0.08); color: #1e293b; }
[data-theme="light"] .nav-item.active { background: rgba(59,130,246,0.12); color: #1d4ed8; }
[data-theme="light"] .nav-item.active::before { background: #1d4ed8; }
[data-theme="light"] .nav-category { color: #64748b; }
[data-theme="light"] .sidebar-footer { border-top-color: #d1d5db; }
[data-theme="light"] .sidebar-footer .theme-toggle { background: #e5e7eb; border-color: #d1d5db; color: #475569; }
[data-theme="light"] .sidebar-footer .theme-toggle:hover { background: #d1d5db; color: #1e293b; border-color: #9ca3af; }
[data-theme="light"] .sidebar-search input { background: #e5e7eb; border-color: #d1d5db; color: #1e293b; }
[data-theme="light"] .sidebar-search input::placeholder { color: #9ca3af; }
[data-theme="light"] .sidebar-search .search-icon { color: #9ca3af; }
[data-theme="light"] .nav-item .nav-badge { background: rgba(59,130,246,0.1); color: #1d4ed8; }
[data-theme="light"] .sidebar-brand .logo-icon {
  background: linear-gradient(135deg, #2563eb, #7c3aed);
}

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

html { font-size: 14px; scroll-behavior: smooth; }

body {
  font-family: var(--font-sans);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.5;
  overflow: hidden;
  height: 100vh;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* --- Scrollbar --- */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border-light); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-muted); }

/* --- App Layout --- */
.app-layout {
  display: flex;
  height: 100vh;
  width: 100vw;
}

/* --- Sidebar --- */
.sidebar {
  width: var(--sidebar-width);
  min-width: var(--sidebar-width);
  background: var(--bg-sidebar);
  border-right: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  height: 100vh;
  position: fixed;
  left: 0;
  top: 0;
  z-index: 100;
  transition: transform var(--transition);
}

.sidebar-brand {
  padding: 16px 18px;
  display: flex;
  align-items: center;
  gap: 12px;
  border-bottom: 1px solid var(--border-color);
  height: var(--header-height);
  flex-shrink: 0;
}

.sidebar-brand .brand-text {
  font-size: 16px;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -0.01em;
  background: linear-gradient(135deg, var(--accent-blue), var(--accent-purple));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
  font-weight: 400;
  color: var(--accent-blue);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-top: -1px;
}

.sidebar-search {
  padding: 10px 14px;
  flex-shrink: 0;
}

.sidebar-search input {
  width: 100%;
  padding: 7px 10px 7px 32px;
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-size: 12px;
  font-family: var(--font-sans);
  outline: none;
  transition: border-color var(--transition);
}

.sidebar-search input:focus {
  border-color: var(--accent-blue);
}

.sidebar-search .search-icon {
  position: absolute;
  left: 24px;
  margin-top: -22px;
  color: var(--text-muted);
  font-size: 12px;
  pointer-events: none;
}

.sidebar-nav {
  flex: 1;
  overflow-y: auto;
  padding: 6px 0;
}

.nav-category {
  padding: 12px 18px 4px;
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  font-family: var(--font-sans);
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 7px 18px;
  margin: 1px 8px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  color: var(--text-secondary);
  font-size: 12.5px;
  font-weight: 400;
  transition: all var(--transition);
  text-decoration: none;
  position: relative;
  border: none;
  background: none;
  width: calc(100% - 16px);
  text-align: left;
  font-family: var(--font-sans);
}

.nav-item:hover {
  background: rgba(59,130,246,0.08);
  color: var(--text-primary);
}

.nav-item.active {
  background: rgba(59,130,246,0.15);
  color: var(--accent-blue);
  font-weight: 500;
}

.nav-item.active::before {
  content: '';
  position: absolute;
  left: -8px;
  top: 50%;
  transform: translateY(-50%);
  width: 3px;
  height: 20px;
  background: var(--accent-blue);
  border-radius: 0 2px 2px 0;
}

.nav-item .nav-icon {
  width: 18px;
  text-align: center;
  font-size: 13px;
  flex-shrink: 0;
}

.nav-item .nav-badge {
  margin-left: auto;
  font-size: 10px;
  padding: 1px 6px;
  border-radius: 10px;
  background: rgba(59,130,246,0.15);
  color: var(--accent-blue);
  font-weight: 500;
}

.nav-sub {
  padding-left: 46px;
  font-size: 12px;
}

.sidebar-footer {
  padding: 10px 14px;
  border-top: 1px solid var(--border-color);
  flex-shrink: 0;
  display: flex;
  align-items: center;
  gap: 8px;
}

.sidebar-footer .theme-toggle {
  flex: 1;
  padding: 6px 10px;
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  cursor: pointer;
  font-size: 12px;
  font-family: var(--font-sans);
  display: flex;
  align-items: center;
  gap: 6px;
  justify-content: center;
  transition: all var(--transition);
}

.sidebar-footer .theme-toggle:hover {
  color: var(--text-primary);
  border-color: var(--border-light);
}

/* --- Main Content --- */
.main-content {
  flex: 1;
  margin-left: var(--sidebar-width);
  display: flex;
  flex-direction: column;
  height: 100vh;
  overflow: hidden;
}

/* --- Header --- */
.header {
  height: var(--header-height);
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  padding: 0 24px;
  gap: 16px;
  flex-shrink: 0;
}

.header-breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  color: var(--text-muted);
}

.header-breadcrumb .current {
  color: var(--text-primary);
  font-weight: 500;
}

.header-actions {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 8px;
}

.header-btn {
  padding: 6px 12px;
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  cursor: pointer;
  font-size: 12px;
  font-family: var(--font-sans);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: all 0.2s ease;
  position: relative;
  overflow: hidden;
}

.header-btn::after {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(255,255,255,0);
  transition: background 0.2s ease;
}

.header-btn:active::after {
  background: rgba(255,255,255,0.1);
}

.header-btn:hover {
  color: var(--text-primary);
  border-color: var(--border-light);
  background: var(--bg-tertiary);
  transform: translateY(-1px);
}

.header-btn.primary {
  background: var(--accent-blue);
  border-color: var(--accent-blue);
  color: #fff;
  box-shadow: 0 1px 3px rgba(59,130,246,0.2);
}

.header-btn.primary:hover {
  background: var(--accent-blue-dim);
  box-shadow: 0 2px 6px rgba(59,130,246,0.3);
  transform: translateY(-1px);
}

.header-btn.primary:active {
  transform: translateY(0);
}

.header-btn.primary:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
}

/* --- Page Content --- */
.page-content {
  flex: 1;
  overflow-y: auto;
  padding: 20px 24px;
  background: var(--bg-primary);
}

/* --- Dashboard --- */
.dashboard-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 16px;
  margin-bottom: 20px;
}

.kpi-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 16px 18px;
  transition: all var(--transition);
}

.kpi-card:hover {
  border-color: var(--border-light);
  background: var(--bg-card-hover);
}

.kpi-card .kpi-header {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 10px;
}

.kpi-card .kpi-icon {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
}

.kpi-card .kpi-icon.blue { background: rgba(59,130,246,0.15); color: var(--accent-blue); }
.kpi-card .kpi-icon.green { background: rgba(16,185,129,0.15); color: var(--accent-green); }
.kpi-card .kpi-icon.amber { background: rgba(245,158,11,0.15); color: var(--accent-amber); }
.kpi-card .kpi-icon.purple { background: rgba(139,92,246,0.15); color: var(--accent-purple); }
.kpi-card .kpi-icon.red { background: rgba(239,68,68,0.15); color: var(--accent-red); }
.kpi-card .kpi-icon.cyan { background: rgba(6,182,212,0.15); color: var(--accent-cyan); }

.kpi-card .kpi-label {
  font-size: 11px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 500;
}

.kpi-card .kpi-value {
  font-size: 22px;
  font-weight: 700;
  color: var(--text-primary);
  font-family: var(--font-display);
  letter-spacing: -0.02em;
}

.kpi-card .kpi-change {
  font-size: 11px;
  margin-top: 4px;
  display: flex;
  align-items: center;
  gap: 4px;
}

.kpi-card .kpi-change.up { color: var(--accent-green); }
.kpi-card .kpi-change.down { color: var(--accent-red); }

/* --- Charts --- */
.chart-grid {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 16px;
  margin-bottom: 20px;
}

.chart-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.chart-card .chart-header {
  padding: 14px 18px;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.chart-card .chart-title {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-primary);
}

.chart-card .chart-subtitle {
  font-size: 11px;
  color: var(--text-muted);
}

.chart-card .chart-body {
  padding: 14px 18px;
  height: 240px;
  position: relative;
}

/* --- Section --- */
.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
  margin-top: 8px;
}

.section-header h2 {
  font-size: 16px;
  font-weight: 600;
  color: var(--text-primary);
}

.section-header .section-actions {
  display: flex;
  gap: 6px;
}

/* --- Tool Cards (Dashboard) --- */
.tool-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 10px;
  margin-bottom: 20px;
}

.tool-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 14px 16px;
  cursor: pointer;
  transition: all var(--transition);
  display: flex;
  align-items: center;
  gap: 12px;
}

.tool-card:hover {
  border-color: var(--accent-blue);
  background: var(--bg-card-hover);
  transform: translateY(-1px);
}

.tool-card .tc-icon {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-sm);
  background: rgba(59,130,246,0.1);
  color: var(--accent-blue);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  flex-shrink: 0;
}

.tool-card .tc-label {
  font-size: 12px;
  font-weight: 500;
  color: var(--text-primary);
  line-height: 1.3;
}

.tool-card .tc-sub {
  font-size: 10px;
  color: var(--text-muted);
  display: block;
}

/* --- Module Page --- */
.module-page {
  display: none;
  animation: none;
}

.module-page.active {
  display: block;
  animation: pageFadeIn 0.25s ease;
}

@keyframes pageFadeIn {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

.module-toolbar {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
  flex-wrap: wrap;
}

.module-toolbar .mt-label {
  font-size: 12px;
  font-weight: 500;
  color: var(--text-muted);
}

.module-toolbar select,
.module-toolbar input {
  padding: 6px 10px;
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-size: 12px;
  font-family: var(--font-sans);
  outline: none;
}

.module-toolbar select:focus,
.module-toolbar input:focus {
  border-color: var(--accent-blue);
}

.module-toolbar button {
  padding: 6px 14px;
  background: var(--accent-blue);
  border: none;
  border-radius: var(--radius-sm);
  color: #fff;
  font-size: 12px;
  font-family: var(--font-sans);
  cursor: pointer;
  font-weight: 500;
  transition: background var(--transition);
}

.module-toolbar button:hover {
  background: var(--accent-blue-dim);
}

.module-toolbar button.secondary {
  background: var(--bg-tertiary);
  color: var(--text-secondary);
  border: 1px solid var(--border-color);
}

.module-toolbar button.secondary:hover {
  color: var(--text-primary);
  border-color: var(--border-light);
}

/* --- Tool Container --- */
.tool-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.tool-container.full {
  grid-template-columns: 1fr;
}

.tool-panel {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: border-color 0.2s ease, box-shadow 0.2s ease, transform 0.15s ease;
}
@supports (backdrop-filter: blur(2px)) {
  .tool-panel {
    backdrop-filter: blur(2px);
  }
}

.tool-panel:hover {
  border-color: var(--border-light);
  box-shadow: 0 0 0 1px rgba(59,130,246,0.08), 0 4px 12px rgba(0,0,0,0.1);
}

.tool-panel .panel-header {
  padding: 10px 16px;
  border-bottom: 1px solid var(--border-color);
  font-size: 12px;
  font-weight: 600;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--bg-tertiary);
}

.tool-panel .panel-body {
  padding: 14px 16px;
}

/* --- Form Elements --- */
.form-group {
  margin-bottom: 12px;
}

.form-group label {
  display: block;
  font-size: 11px;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 4px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.form-group .form-hint {
  font-size: 10px;
  color: var(--text-muted);
  margin-top: 2px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.form-row-3 {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 12px;
}

.form-row-4 {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr 1fr;
  gap: 10px;
}

input[type="text"],
input[type="number"],
input[type="date"],
select,
textarea {
  width: 100%;
  padding: 7px 10px;
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-size: 12.5px;
  font-family: var(--font-sans);
  outline: none;
  transition: border-color var(--transition), box-shadow var(--transition);
}

input:focus,
select:focus,
textarea:focus {
  border-color: var(--accent-blue);
  box-shadow: 0 0 0 2px var(--accent-blue-glow);
}

textarea { resize: vertical; min-height: 60px; font-family: var(--font-mono); font-size: 12px; }

select { cursor: pointer; }

/* --- Tables --- */
.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 12px;
}

.data-table th {
  padding: 8px 12px;
  text-align: left;
  font-weight: 600;
  color: var(--text-muted);
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  border-bottom: 1px solid var(--border-color);
  background: var(--bg-tertiary);
}

.data-table td {
  padding: 7px 12px;
  border-bottom: 1px solid var(--border-color);
  color: var(--text-primary);
}

.data-table tr:hover td {
  background: rgba(59,130,246,0.04);
}

.data-table .mono {
  font-family: var(--font-mono);
  font-size: 11.5px;
}

/* --- Results / Output --- */
.result-box {
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 12px 14px;
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.7;
  white-space: pre-wrap;
  overflow-x: auto;
  position: relative;
}

.result-box::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--accent-blue), var(--accent-purple), transparent);
  opacity: 0.6;
  border-radius: 4px 4px 0 0;
}

.result-box .result-label {
  color: var(--text-muted);
  font-family: var(--font-sans);
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 6px;
}

.result-box .result-value {
  color: var(--accent-green);
  font-weight: 500;
}

/* --- Status badges --- */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 2px 8px;
  border-radius: 10px;
  font-size: 10px;
  font-weight: 500;
  gap: 4px;
}

.badge-blue { background: rgba(59,130,246,0.15); color: var(--accent-blue); }
.badge-green { background: rgba(16,185,129,0.15); color: var(--accent-green); }
.badge-amber { background: rgba(245,158,11,0.15); color: var(--accent-amber); }
.badge-red { background: rgba(239,68,68,0.15); color: var(--accent-red); }
.badge-purple { background: rgba(139,92,246,0.15); color: var(--accent-purple); }

/* --- AI Assistant Panel --- */
.ai-panel {
  position: fixed;
  right: -380px;
  top: 0;
  width: 380px;
  height: 100vh;
  background: var(--bg-secondary);
  border-left: 1px solid var(--border-color);
  z-index: 200;
  display: flex;
  flex-direction: column;
  transition: right 0.3s ease;
  box-shadow: -4px 0 20px rgba(0,0,0,0.3);
}

.ai-panel.open {
  right: 0;
}

.ai-panel-header {
  padding: 14px 18px;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-shrink: 0;
}

.ai-panel-header h3 {
  font-size: 13px;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 8px;
}

.ai-panel-header h3 .ai-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent-green);
  animation: pulse-dot 2s infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

.ai-panel-body {
  flex: 1;
  overflow-y: auto;
  padding: 14px 18px;
}

.ai-message {
  padding: 10px 12px;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  margin-bottom: 10px;
  font-size: 12px;
  line-height: 1.6;
}

.ai-message.ai {
  border-left: 2px solid var(--accent-blue);
}

.ai-message .ai-msg-label {
  font-size: 10px;
  font-weight: 600;
  color: var(--accent-blue);
  margin-bottom: 4px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.ai-panel-footer {
  padding: 10px 14px;
  border-top: 1px solid var(--border-color);
  display: flex;
  gap: 8px;
  flex-shrink: 0;
}

.ai-panel-footer input {
  flex: 1;
  padding: 7px 10px;
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-size: 12px;
  font-family: var(--font-sans);
  outline: none;
}

.ai-panel-footer input:focus {
  border-color: var(--accent-blue);
}

.ai-panel-footer button {
  padding: 7px 14px;
  background: var(--accent-blue);
  border: none;
  border-radius: var(--radius-sm);
  color: #fff;
  cursor: pointer;
  font-size: 12px;
  font-family: var(--font-sans);
  transition: background var(--transition);
}

.ai-panel-footer button:hover {
  background: var(--accent-blue-dim);
}

.ai-suggestions {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 12px;
}

.ai-suggestions .chip {
  padding: 4px 10px;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  font-size: 11px;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--transition);
}

.ai-suggestions .chip:hover {
  border-color: var(--accent-blue);
  color: var(--accent-blue);
}

/* --- Modal --- */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.6);
  z-index: 300;
  display: none;
  align-items: center;
  justify-content: center;
}
@supports (backdrop-filter: blur(2px)) {
  .modal-overlay {
    backdrop-filter: blur(2px);
  }
}

.modal-overlay.open {
  display: flex;
}

.modal {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  width: 700px;
  max-width: 90vw;
  max-height: 85vh;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-elevated);
}

.modal-header {
  padding: 16px 20px;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-shrink: 0;
}

.modal-header h3 {
  font-size: 15px;
  font-weight: 600;
}

.modal-header .close-btn {
  width: 28px;
  height: 28px;
  border: none;
  background: var(--bg-tertiary);
  border-radius: var(--radius-sm);
  color: var(--text-muted);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  transition: all var(--transition);
}

.modal-header .close-btn:hover {
  color: var(--text-primary);
  background: var(--border-color);
}

.modal-body {
  padding: 20px;
  overflow-y: auto;
  flex: 1;
}

.modal-footer {
  padding: 12px 20px;
  border-top: 1px solid var(--border-color);
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  flex-shrink: 0;
}

/* --- Notification Toast --- */
.toast-container {
  position: fixed;
  bottom: 20px;
  right: 20px;
  z-index: 500;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.toast {
  padding: 10px 16px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-elevated);
  font-size: 12px;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 10px;
  animation: slideIn 0.3s ease;
  min-width: 280px;
}

.toast.success { border-left: 3px solid var(--accent-green); }
.toast.error { border-left: 3px solid var(--accent-red); }
.toast.info { border-left: 3px solid var(--accent-blue); }

@keyframes slideIn {
  from { transform: translateX(100%); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}

/* --- Loading --- */
.loading-spinner {
  display: inline-block;
  width: 14px;
  height: 14px;
  border: 2px solid var(--border-color);
  border-top-color: var(--accent-blue);
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
  vertical-align: middle;
}

.header-btn:disabled {
  opacity: 0.7;
  cursor: not-allowed;
  pointer-events: none;
}

.header-btn:disabled .loading-spinner + span {
  margin-left: 4px;
}

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

/* --- Tool result table styling --- */
.result-box table.data-table {
  font-size: 11px;
}

.result-box table.data-table th {
  padding: 4px 8px;
  font-size: 9px;
}

.result-box table.data-table td {
  padding: 3px 8px;
}

/* --- Reports --- */
.report-preview {
  background: #fff;
  color: #1e293b;
  padding: 30px;
  font-size: 12px;
  line-height: 1.6;
  max-height: 500px;
  overflow-y: auto;
}

[data-theme="dark"] .report-preview {
  background: var(--bg-tertiary);
  color: var(--text-primary);
}

.report-preview h1 { font-size: 20px; margin-bottom: 4px; }
.report-preview h2 { font-size: 16px; margin: 16px 0 8px; border-bottom: 1px solid #ddd; padding-bottom: 4px; }
.report-preview h3 { font-size: 14px; margin: 12px 0 6px; }
.report-preview table { width: 100%; border-collapse: collapse; margin: 8px 0; }
.report-preview table th, .report-preview table td { border: 1px solid #ccc; padding: 4px 8px; text-align: left; font-size: 11px; }
.report-preview table th { background: #f0f0f0; font-weight: 600; }
.report-preview .report-meta { color: #666; font-size: 11px; margin-bottom: 16px; }

/* --- Unit Converter --- */
.unit-converter {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 12px;
  align-items: end;
  padding: 14px;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  margin-bottom: 14px;
}

.unit-converter .swap-btn {
  padding: 6px 12px;
  background: var(--accent-blue);
  border: none;
  border-radius: var(--radius-sm);
  color: #fff;
  cursor: pointer;
  font-size: 14px;
  margin-bottom: 4px;
}

/* --- Profile view (CAD-like) --- */
.profile-view {
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 10px;
  height: 200px;
  position: relative;
  overflow: hidden;
}

.profile-view canvas {
  width: 100%;
  height: 100%;
}

/* --- Field Book Table (HI & Rise-Fall) --- */
.field-book-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 11px;
  font-family: var(--font-mono);
}

.field-book-table th {
  padding: 6px 6px;
  text-align: center;
  font-weight: 600;
  color: var(--text-primary);
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border: 1px solid var(--border-color);
  background: var(--bg-tertiary);
}

.field-book-table td {
  padding: 3px 4px;
  border: 1px solid var(--border-color);
  text-align: center;
  vertical-align: middle;
}

.field-book-table td input {
  width: 100%;
  min-width: 55px;
  padding: 3px 4px;
  background: var(--bg-input);
  border: 1px solid transparent;
  border-radius: 2px;
  color: var(--text-primary);
  font-size: 11px;
  font-family: var(--font-mono);
  text-align: center;
  outline: none;
  transition: border-color 0.2s;
}

.field-book-table td input:focus {
  border-color: var(--accent-blue);
  background: rgba(59,130,246,0.05);
}

.field-book-table td input.input-error {
  border-color: var(--accent-red);
  background: rgba(239,68,68,0.08);
}

.field-book-table td .auto-calc {
  color: var(--accent-cyan);
  font-weight: 500;
}

.field-book-table tr.change-point {
  border-top: 2px solid var(--accent-amber);
  background: rgba(245,158,11,0.04);
}

.field-book-table tr.highlight-rise td {
  color: var(--accent-green);
}

.field-book-table tr.highlight-fall td {
  color: var(--accent-red);
}

.field-book-controls {
  display: flex;
  gap: 6px;
  margin: 8px 0;
  flex-wrap: wrap;
}

.field-book-controls button {
  padding: 5px 10px;
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  cursor: pointer;
  font-size: 11px;
  font-family: var(--font-sans);
  display: inline-flex;
  align-items: center;
  gap: 4px;
  transition: all 0.2s;
}

.field-book-controls button:hover {
  color: var(--text-primary);
  border-color: var(--border-light);
}

.field-book-controls button.primary {
  background: var(--accent-blue);
  border-color: var(--accent-blue);
  color: #fff;
}

.field-book-controls button.primary:hover {
  background: var(--accent-blue-dim);
}

.field-book-check {
  margin-top: 10px;
  padding: 8px 12px;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
  font-size: 11px;
  line-height: 1.8;
}

.field-book-check .check-pass {
  color: var(--accent-green);
}

.field-book-check .check-fail {
  color: var(--accent-red);
}

/* --- Road Furniture / Sign Shapes --- */
.sign-shape { display: inline-flex; align-items: center; justify-content: center; flex-shrink: 0; }
.sign-shape.diamond { transform: rotate(45deg); border-radius: 3px; }
.sign-shape.diamond.sm { width: 18px; height: 18px; }
.sign-shape.diamond.xs { width: 12px; height: 12px; margin-right: 2px; }
.sign-shape.circle { border-radius: 50%; }
.sign-shape.circle.sm { width: 18px; height: 18px; }
.sign-shape.circle.xs { width: 12px; height: 12px; margin-right: 2px; }
.sign-shape.octagon { clip-path: polygon(30% 0,70% 0,100% 30%,100% 70%,70% 100%,30% 100%,0 70%,0 30%); }
.sign-shape.octagon.sm { width: 20px; height: 20px; }
.sign-shape.rect { border-radius: 2px; }
.sign-shape.rect.sm { width: 24px; height: 18px; }
.sign-shape.rect.xs { width: 16px; height: 12px; margin-right: 2px; }
.sign-shape.triangle { width: 0; height: 0; border-left: 9px solid transparent; border-right: 9px solid transparent; border-bottom: 14px solid #dc2626; background: none !important; }
.sign-shape.triangle.sm { border-left-width: 12px; border-right-width: 12px; border-bottom-width: 18px; }
.rf-legend { display:inline-flex; align-items:center; gap:4px; font-size:10px; color:var(--text-secondary); margin-right:12px; }
.rf-cat-badge { display:inline-flex; align-items:center; gap:3px; padding:1px 6px; border-radius:8px; font-size:9px; font-weight:500; }
.rf-cat-badge.cautionary { background:rgba(245,158,11,0.12); color:var(--accent-amber); }
.rf-cat-badge.mandatory { background:rgba(239,68,68,0.12); color:var(--accent-red); }
.rf-cat-badge.informatory { background:rgba(59,130,246,0.12); color:var(--accent-blue); }

.size-matrix-table { width:100%; border-collapse:collapse; font-size:11px; }
.size-matrix-table th { padding:6px 8px; text-align:left; font-weight:600; color:var(--text-muted); font-size:9px; text-transform:uppercase; letter-spacing:0.06em; border-bottom:1px solid var(--border-color); background:var(--bg-tertiary); }
.size-matrix-table td { padding:5px 8px; border-bottom:1px solid var(--border-color); color:var(--text-primary); }
.size-matrix-table tr:hover td { background:rgba(59,130,246,0.04); }
.size-matrix-table .mono { font-family:var(--font-mono); font-size:10.5px; }

.rf-row-cautionary td:first-child { border-left: 3px solid #f59e0b; }
.rf-row-mandatory td:first-child { border-left: 3px solid #ef4444; }
.rf-row-informatory td:first-child { border-left: 3px solid #3b82f6; }

/* --- Academic Help Cards --- */
.academic-container {
  display: grid;
  gap: 12px;
  grid-template-columns: 1fr 1fr;
}

@media (max-width: 900px) {
  .academic-container {
    grid-template-columns: 1fr;
  }
}

.academic-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: border-color 0.2s;
}

.academic-card:hover {
  border-color: var(--border-light);
}

.academic-card-header {
  padding: 10px 14px;
  background: var(--bg-tertiary);
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-primary);
  user-select: none;
}

.academic-card-header:hover {
  color: var(--accent-blue);
}

.academic-card-header .acc-icon {
  font-size: 16px;
  width: 28px;
  text-align: center;
  color: var(--accent-blue);
}

.academic-card-header .acc-toggle {
  font-size: 12px;
  color: var(--text-muted);
  transition: transform 0.2s;
}

.academic-card-body {
  padding: 0 14px;
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease, padding 0.3s ease;
}

.academic-card-body.open {
  max-height: 2000px;
  padding: 12px 14px;
}

.academic-card-body .def-term {
  font-size: 12px;
  padding: 6px 10px;
  background: var(--bg-tertiary);
  border-left: 2px solid var(--accent-blue);
  margin-bottom: 6px;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}

.academic-card-body .def-term strong {
  color: var(--accent-amber);
  font-family: var(--font-mono);
}

.academic-card-body .def-formula {
  display: block;
  text-align: center;
  padding: 8px;
  margin: 6px 0;
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--accent-cyan);
}

.academic-card-body .def-ref {
  margin-top: 8px;
  padding: 4px 8px;
  background: rgba(245,158,11,0.08);
  border-left: 2px solid var(--accent-amber);
  font-size: 10px;
  color: var(--text-muted);
}

.academic-card-body .def-purpose {
  font-size: 11px;
  color: var(--text-secondary);
  margin-bottom: 4px;
  padding: 4px 0;
}

/* --- Academic Category expand/collapse --- */
.academic-section-body.open {
  max-height: 2000px !important;
}

.panel-header .acc-toggle.expanded,
.academic-card-header.expanded .acc-toggle {
  transform: rotate(180deg);
}

/* --- Smooth tool panel animation --- */
@keyframes slideDown {
  from { opacity: 0; transform: translateY(-8px); max-height: 0; }
  to { opacity: 1; transform: translateY(0); max-height: 1000px; }
}

.tool-panel .panel-body table {
  animation: fadeInTable 0.3s ease;
}

@keyframes fadeInTable {
  from { opacity: 0; }
  to { opacity: 1; }
}

/* --- Input focus glow --- */
input:focus,
select:focus,
textarea:focus {
  border-color: var(--accent-blue);
  box-shadow: 0 0 0 3px var(--accent-blue-glow);
}

/* --- KPI row layout --- */
.kpi-row {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 16px;
}

.kpi-item {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 10px 14px;
  min-width: 120px;
  flex: 1;
}

.kpi-item .ki-label {
  font-size: 10px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.kpi-item .ki-value {
  font-size: 16px;
  font-weight: 600;
  margin-top: 2px;
}

.kpi-item .ki-unit {
  font-size: 11px;
  color: var(--text-muted);
  font-weight: 400;
}

/* --- Responsive --- */
@media (max-width: 1200px) {
  .chart-grid { grid-template-columns: 1fr; }
  .tool-container { grid-template-columns: 1fr; }
  .data-table { font-size: 10px; }
  .data-table th, .data-table td { padding: 4px 6px; }
  .size-matrix-table { font-size: 10px; }
  .size-matrix-table th, .size-matrix-table td { padding: 3px 5px; }
}

@media (max-width: 768px) {
  .sidebar {
    transform: translateX(-100%);
  }
  .sidebar.open {
    transform: translateX(0);
  }
  .main-content {
    margin-left: 0;
  }
  .dashboard-grid {
    grid-template-columns: 1fr;
  }
  .form-row, .form-row-3, .form-row-4 {
    grid-template-columns: 1fr;
  }
  .mobile-menu-btn {
    display: flex !important;
  }
  .ai-panel {
    width: 100%;
    right: -100%;
  }
  .kpi-row {
    flex-direction: column;
  }
  .kpi-item {
    min-width: auto;
  }
  .result-label {
    font-size: 12px;
  }
  .result-value {
    font-size: 11px;
  }
  .panel-header {
    font-size: 12px;
    padding: 8px 12px;
  }
  .panel-body {
    padding: 10px;
  }
  .section-header h2 {
    font-size: 14px;
  }
  .data-table {
    display: block;
    overflow-x: auto;
    white-space: nowrap;
    font-size: 9px;
  }
  .data-table th, .data-table td {
    padding: 3px 5px;
  }
  .size-matrix-table {
    display: block;
    overflow-x: auto;
    white-space: nowrap;
  }
  .header-btn {
    font-size: 11px;
    padding: 6px 12px;
  }
  .tabs {
    flex-wrap: wrap;
    gap: 3px;
  }
  .tab-item {
    font-size: 10px;
    padding: 4px 8px;
  }
  .badge {
    font-size: 9px;
    padding: 1px 5px;
  }
}

.mobile-menu-btn {
  display: none;
  width: 32px;
  height: 32px;
  border: 1px solid var(--border-color);
  background: var(--bg-input);
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  cursor: pointer;
  align-items: center;
  justify-content: center;
  font-size: 16px;
}

/* --- Tabs --- */
.tabs {
  display: flex;
  border-bottom: 1px solid var(--border-color);
  margin-bottom: 14px;
  gap: 0;
}

.tab-item {
  padding: 8px 16px;
  font-size: 12px;
  font-weight: 500;
  color: var(--text-muted);
  cursor: pointer;
  border-bottom: 2px solid transparent;
  transition: all var(--transition);
  background: none;
  border-top: none;
  border-left: none;
  border-right: none;
  font-family: var(--font-sans);
}

.tab-item:hover {
  color: var(--text-primary);
}

.tab-item.active {
  color: var(--accent-blue);
  border-bottom-color: var(--accent-blue);
}

.tab-content { display: none; }
.tab-content.active { display: block; }

/* --- Code references --- */
.code-ref {
  font-size: 10px;
  color: var(--accent-amber);
  font-weight: 500;
  background: rgba(245,158,11,0.1);
  padding: 1px 6px;
  border-radius: 3px;
  font-family: var(--font-mono);
}

/* --- Per-tool Print/Report Button Row --- */
.tool-report-row {
  display: flex;
  gap: 6px;
  margin-top: 10px;
  padding-top: 8px;
  border-top: 1px solid var(--border-color);
  flex-wrap: wrap;
}

.tool-report-row button {
  padding: 5px 10px;
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  cursor: pointer;
  font-size: 11px;
  font-family: var(--font-sans);
  display: inline-flex;
  align-items: center;
  gap: 4px;
  transition: all 0.2s;
}

.tool-report-row button:hover {
  color: var(--text-primary);
  border-color: var(--border-light);
}

.tool-report-row button.print-report {
  background: rgba(59,130,246,0.1);
  border-color: var(--accent-blue);
  color: var(--accent-blue);
}

.tool-report-row button.print-report:hover {
  background: var(--accent-blue);
  color: #fff;
}

/* --- Engineering specialty styles --- */
.eng-value {
  font-family: var(--font-mono);
  font-weight: 500;
  color: var(--accent-cyan);
}

.eng-unit {
  font-size: 10px;
  color: var(--text-muted);
  margin-left: 2px;
}

/* --- Enhanced glass-morphism effects --- */
.result-box:hover::before {
  opacity: 1;
  transition: opacity 0.3s;
}

/* --- Tool panel header gradient accent --- */
.tool-panel .panel-header {
  position: relative;
}

.tool-panel .panel-header::after {
  content: '';
  position: absolute;
  bottom: -1px;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, var(--accent-blue), transparent 80%);
  opacity: 0.3;
}

/* --- KPI item accent border --- */
.kpi-item {
  position: relative;
  overflow: hidden;
}

.kpi-item::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 3px;
  height: 100%;
  background: linear-gradient(180deg, var(--accent-blue), var(--accent-purple));
  opacity: 0.3;
  border-radius: 0 2px 2px 0;
}

/* --- Table row hover -> scale effect --- */
.data-table tbody tr {
  transition: background 0.15s ease;
}

.data-table tbody tr:hover td {
  background: rgba(59,130,246,0.06);
}

/* --- Form input glow on focus (enhanced) --- */
input[type="text"]:focus,
input[type="number"]:focus,
select:focus,
textarea:focus {
  border-color: var(--accent-blue);
  box-shadow: 0 0 0 3px var(--accent-blue-glow), 0 1px 3px rgba(0,0,0,0.1);
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

/* --- Sidebar nav item active glow --- */
.nav-item.active {
  box-shadow: inset 0 0 0 1px rgba(59,130,246,0.15);
}

/* --- Smooth page transition for all elements --- */
.module-page.active {
  animation: pageFadeIn 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes pageFadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

/* --- Section header subtle glow --- */
.section-header h2 {
  position: relative;
  display: inline-block;
}

.section-header h2::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 40%;
  height: 2px;
  background: linear-gradient(90deg, var(--accent-blue), transparent);
  border-radius: 2px;
  opacity: 0.4;
}

/* --- Enhanced button press effect --- */
.header-btn:active {
  transform: scale(0.97);
}

.header-btn.primary:active {
  transform: scale(0.97);
}

/* --- Academic card enhancement --- */
.academic-card {
  transition: border-color 0.2s ease, transform 0.15s ease, box-shadow 0.2s ease;
}

.academic-card:hover {
  border-color: var(--accent-blue);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(0,0,0,0.15);
}

/* --- Badge enhancement --- */
.badge {
  transition: all 0.15s ease;
}

.badge:hover {
  filter: brightness(1.2);
}

/* --- Scrollbar enhancement --- */
::-webkit-scrollbar-thumb {
  background: var(--border-light);
  border-radius: 3px;
  transition: background 0.2s;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--text-muted);
}

/* --- Project Manager --- */
.project-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 14px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all 0.2s ease;
  gap: 10px;
}

.project-card:hover {
  border-color: var(--accent-blue);
  background: var(--bg-card-hover);
  transform: translateX(2px);
}

.project-card.active {
  border-color: var(--accent-blue);
  background: rgba(59,130,246,0.06);
  box-shadow: 0 0 0 1px rgba(59,130,246,0.15);
}

.project-selector {
  display: flex;
  align-items: center;
  gap: 4px;
}

.project-selector select {
  padding: 4px 8px;
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-size: 11px;
  font-family: var(--font-sans);
  outline: none;
  cursor: pointer;
}

.project-selector select:focus {
  border-color: var(--accent-blue);
}

/* --- Report Entry --- */
/* --- Drag & Drop Reorder --- */
.report-entry.dragging {
  opacity: 0.4;
}

.report-entry.drag-over {
  border-color: var(--accent-blue) !important;
  box-shadow: 0 0 0 2px var(--accent-blue-glow), 0 2px 8px rgba(59,130,246,0.15);
  transform: scale(1.01);
}

.report-entry .drag-handle {
  cursor: grab;
  color: var(--text-muted);
  font-size: 12px;
  padding: 2px 4px;
  border-radius: 3px;
  transition: color 0.2s;
}

.report-entry .drag-handle:hover {
  color: var(--accent-blue);
}

.report-entry .drag-handle:active {
  cursor: grabbing;
}

.report-entry {
  transition: border-color 0.2s;
}

.report-entry:hover {
  border-color: var(--border-light) !important;
}

.report-entry .fa-chevron-down {
  transition: transform 0.2s;
}

.report-preview-content {
  font-family: var(--font-mono);
  font-size: 11px;
  line-height: 1.6;
}

/* --- Consolidated Report Styles --- */
.consolidated-report {
  background: #fff;
  color: #1e293b;
  padding: 40px;
  font-size: 12px;
  line-height: 1.6;
  max-height: none;
  overflow: visible;
}

[data-theme="dark"] .consolidated-report {
  background: var(--bg-tertiary);
  color: var(--text-primary);
}

.consolidated-report .report-cover {
  text-align: center;
  padding: 80px 20px 40px;
}

.consolidated-report .cover-badge {
  display: inline-block;
  padding: 4px 16px;
  background: var(--accent-blue-dim);
  color: #fff;
  font-size: 11px;
  letter-spacing: 0.15em;
  border-radius: 4px;
  margin-bottom: 30px;
  font-weight: 600;
}

.consolidated-report .cover-title {
  font-size: 32px;
  color: var(--text-primary);
  border: none;
  margin: 0 0 8px;
}

.consolidated-report .cover-subtitle {
  font-size: 18px;
  color: var(--text-muted);
  margin-bottom: 30px;
}

.consolidated-report .cover-meta {
  max-width: 450px;
  margin: 0 auto;
  text-align: left;
}

.consolidated-report .cover-table td {
  border: none;
  padding: 4px 8px;
  font-size: 12px;
}

.consolidated-report .cover-desc {
  margin-top: 20px;
  padding: 12px;
  background: var(--bg-primary);
  border-radius: 4px;
  font-size: 12px;
  color: var(--text-secondary);
}

.consolidated-report .report-data-table td {
  padding: 6px 10px;
  border: 1px solid var(--border-color);
  font-size: 11px;
}

.consolidated-report .page-break {
  page-break-before: always;
  border-top: 1px dashed var(--border-color);
  margin: 20px 0;
}

.consolidated-report .toc {
  max-width: 500px;
  margin: 0 auto;
}

.consolidated-report .toc-item {
  display: flex;
  padding: 6px 0;
  border-bottom: 1px dotted var(--border-color);
  font-size: 12px;
}

.consolidated-report .toc-num {
  width: 30px;
  font-weight: 600;
  color: var(--accent-blue);
}

.consolidated-report .toc-title {
  flex: 1;
}

.consolidated-report .toc-page {
  color: var(--text-muted);
}

.consolidated-report .report-date-badge {
  font-size: 10px;
  color: var(--text-muted);
  margin-bottom: 8px;
}

.consolidated-report .tool-report-content {
  padding: 8px;
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: 4px;
  margin: 8px 0 16px;
  overflow-x: auto;
}

.consolidated-report h2 {
  font-size: 18px;
  color: var(--text-primary);
  margin: 24px 0 12px;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 4px;
}

/* --- Add to Project Button --- */
.add-to-project-btn:hover {
  background: var(--accent-green) !important;
  color: #fff !important;
}

/* --- Rich Text Editor --- */
.rte-toolbar {
  display: flex;
  gap: 2px;
  padding: 6px 8px;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-bottom: none;
  border-radius: var(--radius-sm) var(--radius-sm) 0 0;
  flex-wrap: wrap;
  align-items: center;
}

.rte-toolbar .rte-select {
  height: 26px;
  font-size: 11px;
  background: var(--bg-card);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
  border-radius: 3px;
  padding: 0 4px;
  cursor: pointer;
  max-width: 95px;
}

.rte-toolbar .rte-select:hover {
  border-color: var(--accent-blue);
}

.rte-toolbar button {
  width: 30px;
  height: 28px;
  border: 1px solid transparent;
  background: transparent;
  color: var(--text-secondary);
  border-radius: 3px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  transition: all 0.15s;
}

.rte-toolbar button:hover {
  background: var(--bg-input);
  color: var(--text-primary);
  border-color: var(--border-color);
}

.rte-sep {
  width: 1px;
  height: 18px;
  background: var(--border-color);
  margin: 0 4px;
  flex-shrink: 0;
}

.rte-editor {
  min-height: 280px;
  max-height: 400px;
  overflow-y: auto;
  padding: 12px 14px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 0 0 var(--radius-sm) var(--radius-sm);
  color: var(--text-primary);
  font-size: 13px;
  line-height: 1.7;
  font-family: var(--font-sans);
  outline: none;
}

.rte-editor:focus {
  border-color: var(--accent-blue);
  box-shadow: 0 0 0 2px var(--accent-blue-glow);
}

.rte-editor h3 { font-size: 16px; font-weight: 600; margin: 12px 0 6px; color: var(--text-primary); }
.rte-editor p { margin: 4px 0; }
.rte-editor ul, .rte-editor ol { padding-left: 24px; margin: 6px 0; }
.rte-editor li { margin: 2px 0; }
.rte-editor a { color: var(--accent-blue); text-decoration: underline; }
.rte-editor hr { border: none; border-top: 1px solid var(--border-color); margin: 12px 0; }

[data-theme="light"] .rte-editor { background: #fff; color: #1e293b; }

/* --- Page load animation for all content --- */
.page-content > * {
  animation: contentFadeIn 0.4s ease;
}

@keyframes contentFadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

/* --- Tool panel slide-in --- */
.tool-panel {
  animation: panelSlideIn 0.3s ease both;
}

.tool-panel:nth-child(2) {
  animation-delay: 0.05s;
}

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