:root,
[data-theme="light"],
.theme-light {
  --brand: #ff5f00;
  --brand-hover: #e05300;
  --brand-active: #c94a00;
  --brand-dark: #121212;
  --brand-blue: #1d4ed8;
  --brand-soft: #fdeee9;
  --brand-slate: #374151;
  --brand-text: #ffffff;
  
  --font-sans: system-ui, -apple-system, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --font-mono: 'Consolas', 'Courier New', 'Lucida Console', Monaco, monospace;
  
  --bg-canvas: #f4f5f7;
  --bg-card: #ffffff;
  --bg-header: var(--bg-sidebar);
  --bg-sidebar: #f3f4f6;
  --bg-subtle: #f8fafc;
  --bg-hover: #f1f5f9;
  --sidebar-border: #e5e7eb;
  
  --sidebar-link-color: #374151;
  --sidebar-link-hover-bg: #e5e7eb;
  --sidebar-link-active-bg: #fdeee9;
  --sidebar-link-active-color: #111827;
  --sidebar-link-active-border: #ff5f00;
  
  --text-primary: #111827;
  --text-secondary: #4b5563;
  --text-muted: #6b7280;
  --muted: #6b7280;
  
  --border-color: #e5e7eb;
  --border-subtle: #f3f4f6;
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
  
  --input-bg: #ffffff;
  --input-border: #d1d5db;
  --input-text: #111827;
  --input-placeholder: #9ca3af;
  --input-readonly-bg: #f9fafb;
  --input-readonly-text: #6b7280;
  
  --modal-bg: #ffffff;
  --modal-header-bg: #ffffff;
  --modal-header-color: #111827;
  
  --badge-neutral-bg: #f1f5f9;
  --badge-neutral-text: #334155;
  --badge-neutral-border: #cbd5e1;

  --badge-info-bg: #e0f2fe;
  --badge-info-text: #0369a1;
  --badge-info-border: #7dd3fc;

  --badge-warning-bg: #fef3c7;
  --badge-warning-text: #b45309;
  --badge-warning-border: #fcd34d;

  --badge-success-bg: #dcfce7;
  --badge-success-text: #15803d;
  --badge-success-border: #86efac;

  --badge-danger-bg: #fee2e2;
  --badge-danger-text: #b91c1c;
  --badge-danger-border: #fca5a5;

  --badge-brand-bg: #fff2eb;
  --badge-brand-text: #c2410c;
  --badge-brand-border: #fdba74;

  --table-bg: var(--bg-card);
  --table-header-bg: var(--bg-sidebar);
  --table-header-color: var(--text-primary);
  --table-stripe-bg: #f8fafc;
  --table-hover-bg: #f1f5f9;
  --table-border: var(--border-color);

  --code-bg: #f8fafc;
  --code-color: #0f172a;
  --code-border: #e2e8f0;

  --tray-bg: #f8fafc;
  --chip-bg: #ffffff;
  --chip-border: #d1d5db;
  --chip-text: #111827;

  --scrollbar-track: #f3f4f6;
  --scrollbar-thumb: rgba(0, 0, 0, 0.18);
  --scrollbar-thumb-hover: rgba(255, 95, 0, 0.6);
}

[data-theme="dark"],
.theme-dark {
  --brand: #ff5f00;
  --brand-hover: #ff7a2e;
  --brand-active: #e05300;
  --brand-dark: #0f172a;
  --brand-blue: #1d4ed8;
  --brand-soft: #fff2ed;
  --brand-slate: #334155;
  --brand-text: #ffffff;
  
  --font-sans: system-ui, -apple-system, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --font-mono: 'Consolas', 'Courier New', 'Lucida Console', Monaco, monospace;
  
  --bg-canvas: #0b1224;
  --bg-card: #1e293b;
  --bg-header: #0b1224;
  --bg-sidebar: linear-gradient(180deg, #0f172a 0%, #111827 100%);
  --bg-subtle: rgba(255, 255, 255, 0.03);
  --bg-hover: rgba(255, 255, 255, 0.07);
  --sidebar-border: rgba(255, 255, 255, 0.08);
  
  --sidebar-link-color: rgba(255, 255, 255, 0.85);
  --sidebar-link-hover-bg: rgba(255, 255, 255, 0.12);
  --sidebar-link-active-bg: rgba(255, 95, 0, 0.2);
  --sidebar-link-active-color: #ffffff;
  --sidebar-link-active-border: #ff5f00;
  
  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --muted: #64748b;
  
  --border-color: #334155;
  --border-subtle: rgba(255, 255, 255, 0.08);
  --shadow-sm: 0 4px 20px rgba(0, 0, 0, 0.25);
  --shadow-md: 0 10px 30px rgba(15, 23, 42, 0.4);
  
  --input-bg: #0f172a;
  --input-border: #334155;
  --input-text: #f8fafc;
  --input-placeholder: #64748b;
  --input-readonly-bg: #090d16;
  --input-readonly-text: #64748b;
  
  --modal-bg: #0f172a;
  --modal-header-bg: linear-gradient(135deg, #0f172a 0%, #1d4ed8 55%, #ff5f00 100%);
  --modal-header-color: #ffffff;
  
  --badge-neutral-bg: rgba(255, 255, 255, 0.06);
  --badge-neutral-text: #cbd5e1;
  --badge-neutral-border: rgba(255, 255, 255, 0.15);

  --badge-info-bg: rgba(14, 165, 233, 0.15);
  --badge-info-text: #38bdf8;
  --badge-info-border: rgba(56, 189, 248, 0.4);

  --badge-warning-bg: rgba(245, 158, 11, 0.15);
  --badge-warning-text: #fbbf24;
  --badge-warning-border: rgba(251, 191, 36, 0.4);

  --badge-success-bg: rgba(34, 197, 94, 0.15);
  --badge-success-text: #4ade80;
  --badge-success-border: rgba(74, 222, 128, 0.4);

  --badge-danger-bg: rgba(239, 68, 68, 0.15);
  --badge-danger-text: #f87171;
  --badge-danger-border: rgba(248, 113, 113, 0.4);

  --badge-brand-bg: rgba(255, 95, 0, 0.2);
  --badge-brand-text: #ff8a5b;
  --badge-brand-border: rgba(255, 95, 0, 0.5);

  --table-bg: var(--bg-card);
  --table-header-bg: #0f172a;
  --table-header-color: var(--text-primary);
  --table-stripe-bg: rgba(255, 255, 255, 0.02);
  --table-hover-bg: rgba(255, 255, 255, 0.06);
  --table-border: var(--border-color);

  --code-bg: #020617;
  --code-color: #e2e8f0;
  --code-border: rgba(255, 255, 255, 0.12);

  --tray-bg: rgba(15, 23, 42, 0.6);
  --chip-bg: rgba(255, 255, 255, 0.08);
  --chip-border: rgba(255, 255, 255, 0.15);
  --chip-text: #f8fafc;

  --scrollbar-track: rgba(15, 23, 42, 0.5);
  --scrollbar-thumb: rgba(255, 255, 255, 0.2);
  --scrollbar-thumb-hover: linear-gradient(180deg, var(--brand) 0%, #ff8a5b 100%);
}

html, body {
  height: 100vh;
  margin: 0;
  padding: 0;
  overflow: hidden;
  background: var(--bg-canvas);
  color: var(--text-primary);
  font-family: var(--font-sans);
  transition: background-color 0.2s ease, color 0.2s ease;
}

/* ==========================================================================
   Semantic Theme Classes (Strategic Styling System)
   ========================================================================== */

/* Badges */
.app-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  padding: 0.25rem 0.5rem;
  font-size: 0.78rem;
  font-weight: 600;
  font-family: var(--font-mono);
  line-height: 1.2;
  border-radius: 6px;
  border: 1px solid var(--badge-neutral-border);
  background-color: var(--badge-neutral-bg);
  color: var(--badge-neutral-text);
  white-space: nowrap;
}

.app-badge-neutral {
  background-color: var(--badge-neutral-bg);
  color: var(--badge-neutral-text);
  border-color: var(--badge-neutral-border);
}

.app-badge-info {
  background-color: var(--badge-info-bg);
  color: var(--badge-info-text);
  border-color: var(--badge-info-border);
}

.app-badge-warning {
  background-color: var(--badge-warning-bg);
  color: var(--badge-warning-text);
  border-color: var(--badge-warning-border);
}

.app-badge-success {
  background-color: var(--badge-success-bg);
  color: var(--badge-success-text);
  border-color: var(--badge-success-border);
}

.app-badge-danger {
  background-color: var(--badge-danger-bg);
  color: var(--badge-danger-text);
  border-color: var(--badge-danger-border);
}

.app-badge-brand {
  background-color: var(--badge-brand-bg);
  color: var(--badge-brand-text);
  border-color: var(--badge-brand-border);
}

/* Cards & Containers */
.app-card {
  background-color: var(--bg-card);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  box-shadow: var(--shadow-sm);
  transition: background-color 0.2s ease, border-color 0.2s ease, color 0.2s ease;
}

.app-card-header {
  background-color: var(--bg-sidebar);
  color: var(--text-primary);
  border-bottom: 1px solid var(--border-color);
  border-top-left-radius: 11px;
  border-top-right-radius: 11px;
}

/* Tables */
.app-table {
  width: 100%;
  color: var(--text-primary);
  border-color: var(--table-border);
  margin-bottom: 0;
}

.app-table thead {
  background-color: var(--table-header-bg);
  color: var(--table-header-color);
  border-bottom: 2px solid var(--table-border);
}

.app-table thead th {
  background-color: var(--table-header-bg);
  color: var(--table-header-color);
  font-weight: 600;
  border-color: var(--table-border);
  padding: 0.65rem 0.75rem;
}

.app-table tbody td {
  color: var(--text-primary);
  border-color: var(--table-border);
  padding: 0.65rem 0.75rem;
}

.app-table tbody tr:nth-of-type(odd) {
  background-color: var(--table-stripe-bg);
}

.app-table tbody tr:hover {
  background-color: var(--table-hover-bg) !important;
}

/* Pre / Code Blocks */
.app-code-block {
  background: var(--code-bg);
  color: var(--code-color);
  border: 1px solid var(--code-border);
  border-radius: 8px;
  padding: 0.85rem;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  line-height: 1.5;
  overflow-x: auto;
}

/* Trays & Chips */
.app-tray {
  background-color: var(--tray-bg);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 0.75rem;
}

.app-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.3rem 0.65rem;
  font-size: 0.82rem;
  font-weight: 500;
  border-radius: 999px;
  background-color: var(--chip-bg);
  border: 1px solid var(--chip-border);
  color: var(--chip-text);
  transition: all 0.15s ease;
}

/* Toolbars & Button Groups */
.app-btn-toolbar {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.25rem 0.5rem;
  border-radius: 6px;
  font-size: 0.82rem;
  font-family: var(--font-mono);
}

.container-fluid {
  height: 100vh;
  overflow: hidden;
}

.row-no-wrap {
  display: flex;
  flex-wrap: nowrap;
  height: 100vh;
  max-height: 100vh;
  align-items: stretch;
  overflow: hidden;
}

.sidebar {
  background: var(--bg-sidebar);
  border-right: 1px solid var(--sidebar-border);
  width: 400px;
  min-width: 400px;
  max-width: 400px;
  flex: 0 0 400px;
  display: flex;
  flex-direction: column;
  height: 100vh;
  max-height: 100vh;
  overflow: hidden;
  box-sizing: border-box;
  transition: background 0.2s ease, border-color 0.2s ease;
}

.sidebar-top {
  flex: 0 0 auto;
}

.sidebar-logo-box {
  background: transparent;
  border-radius: 10px;
  padding: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
}

[data-theme="dark"] .sidebar-logo-box {
  background: rgba(0, 0, 0, 0.35);
}

.sidebar-brand-title {
  color: var(--text-primary);
  font-weight: 700;
  letter-spacing: -0.01em;
}

.sidebar-brand-subtitle {
  color: var(--text-muted);
}

.sidebar-divider {
  border-color: var(--border-color) !important;
}

.sidebar-btn-subtle {
  color: var(--text-muted) !important;
  transition: color 0.15s ease;
}

.sidebar-btn-subtle:hover {
  color: var(--brand) !important;
}

#sideMenu {
  display: block;
  flex: 1 1 auto;
  min-height: 0;
  height: 0;
  overflow-y: auto;
  overflow-x: hidden;
  overscroll-behavior: contain;
  padding-right: 0.25rem;
}

.sidebar .nav-link {
  color: var(--sidebar-link-color);
  border-radius: 8px;
  padding: 0.65rem 0.85rem;
  font-size: 0.9rem;
  font-weight: 500;
  transition: all 0.15s ease-in-out;
}

.sidebar .nav-link:hover {
  background: var(--sidebar-link-hover-bg);
  color: var(--sidebar-link-color);
}

.sidebar .nav-link .bi-chevron-right {
  transition: transform 0.2s ease-in-out;
  display: inline-block;
}

.sidebar .nav-link[aria-expanded="true"] .bi-chevron-right {
  transform: rotate(90deg);
}

main {
  flex: 1 1 auto;
  min-width: 0;
  width: 0;
  height: 100vh;
  max-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  background: var(--bg-canvas);
  transition: background-color 0.2s ease;
}

.main-top-bar {
  flex: 0 0 auto;
  background: var(--bg-header);
  border-bottom: 1px solid var(--border-color);
  box-shadow: var(--shadow-sm);
  z-index: 10;
  transition: background-color 0.2s ease, border-color 0.2s ease;
}

.user-display {
  color: var(--text-secondary);
}

#dashboardContent {
  flex: 1 1 auto;
  min-height: 0;
  height: 0;
  overflow-y: auto;
  overflow-x: hidden;
  overscroll-behavior: contain;
}

.hero-banner {
  background: linear-gradient(135deg, #0f172a 0%, var(--brand-blue) 55%, var(--brand) 100%);
  border-radius: 24px;
  color: #fff;
}

.stat-card {
  border: 1px solid var(--border-color);
  background: var(--bg-card);
  color: var(--text-primary);
  border-radius: 18px;
  box-shadow: var(--shadow-sm);
}

.card {
  background-color: var(--bg-card);
  color: var(--text-primary);
  border-color: var(--border-color);
}

.card-header {
  background-color: var(--bg-sidebar);
  border-bottom-color: var(--border-color);
  color: var(--text-primary);
}

.btn-primary {
  background-color: var(--brand);
  background-image: none;
  border: 1px solid var(--brand);
  color: #ffffff !important;
  font-weight: 600;
  transition: all 0.15s ease-in-out;
}

.btn-primary:hover,
.btn-primary:focus {
  background-color: var(--brand-hover);
  border-color: var(--brand-hover);
  color: #ffffff !important;
}

.btn-primary:active {
  background-color: var(--brand-active);
  border-color: var(--brand-active);
  color: #ffffff !important;
}

.btn-outline-primary {
  color: var(--brand) !important;
  border-color: var(--brand);
  background-color: transparent;
  font-weight: 600;
  transition: all 0.15s ease-in-out;
}

.btn-outline-primary:hover,
.btn-outline-primary:focus {
  background-color: var(--brand);
  border-color: var(--brand);
  color: #ffffff !important;
}

[data-theme="light"] .btn-outline-secondary {
  border-color: #d1d5db;
  color: #374151;
  background: #ffffff;
}

[data-theme="light"] .btn-outline-secondary:hover {
  border-color: var(--brand);
  color: var(--brand);
  background: #fdeee9;
}

[data-theme="dark"] .btn-outline-secondary {
  border-color: rgba(255, 255, 255, 0.28);
  color: #ffffff;
  background: rgba(255, 255, 255, 0.05);
}

[data-theme="dark"] .btn-outline-secondary:hover {
  border-color: var(--brand);
  color: var(--brand);
  background: rgba(255, 255, 255, 0.15);
}

.brand-accent,
.text-primary {
  color: var(--brand) !important;
}

.brand-badge {
  background: linear-gradient(135deg, var(--brand) 0%, #ff8a5b 100%);
  color: #fff;
  border-radius: 999px;
  padding: 0.35rem 0.7rem;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.modal-content {
  background-color: var(--modal-bg);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-md);
}

.modal-header {
  background: var(--modal-header-bg);
  color: var(--modal-header-color);
  border-bottom: 1px solid var(--border-color);
}

[data-theme="light"] .modal-header .btn-close {
  filter: none;
}

[data-theme="dark"] .modal-header .btn-close {
  filter: invert(1) grayscale(100%) brightness(200%);
}

.form-control,
.form-select,
.input-group-text {
  background-color: var(--input-bg);
  color: var(--input-text);
  border: 1px solid var(--input-border);
}

.form-control:focus,
.form-select:focus {
  background-color: var(--input-bg);
  color: var(--input-text);
  border-color: var(--brand);
  box-shadow: 0 0 0 0.2rem rgba(255, 95, 0, 0.2);
}

.form-control[readonly] {
  background-color: var(--input-readonly-bg);
  color: var(--input-readonly-text);
}

.badge-soft {
  background: rgba(255,255,255,0.16);
  color: #fff;
  border: 1px solid rgba(255,255,255,0.22);
}

.table {
  color: var(--text-primary);
  border-color: var(--border-color);
}

[data-theme="light"] .table thead {
  background: #f8fafc;
  color: var(--text-secondary);
}

[data-theme="dark"] .table thead {
  background: #1e293b;
  color: var(--text-primary);
}

.text-muted-soft {
  color: var(--text-muted);
}

.auth-guest {
  display: flex;
  min-height: 50vh;
  width: 100%;
  margin: 2rem 0;
  align-items: center;
  justify-content: center;
}

#guestNotice {
  background: var(--bg-card);
  color: var(--text-primary);
  border: 1px solid var(--border-color) !important;
}

#protectedContent {
  background: transparent;
}

/* Firefox scrollbar styling */
#sideMenu {
  scrollbar-width: thin;
  scrollbar-color: var(--scrollbar-thumb) var(--scrollbar-track);
}

#dashboardContent {
  scrollbar-width: thin;
  scrollbar-color: var(--scrollbar-thumb) var(--scrollbar-track);
}

/* Webkit scrollbar styling for sideMenu */
#sideMenu::-webkit-scrollbar {
  width: 6px;
}

#sideMenu::-webkit-scrollbar-track {
  background: var(--scrollbar-track);
  border-radius: 999px;
}

#sideMenu::-webkit-scrollbar-thumb {
  background: var(--scrollbar-thumb);
  border-radius: 999px;
}

#sideMenu::-webkit-scrollbar-thumb:hover {
  background: var(--scrollbar-thumb-hover);
}

/* Webkit scrollbar styling for dashboard content */
#dashboardContent::-webkit-scrollbar {
  width: 6px;
}

#dashboardContent::-webkit-scrollbar-track {
  background: var(--scrollbar-track);
}

#dashboardContent::-webkit-scrollbar-thumb {
  background: var(--scrollbar-thumb);
  border-radius: 999px;
}

#dashboardContent::-webkit-scrollbar-thumb:hover {
  background: var(--scrollbar-thumb-hover);
}

/* ==========================================================================
   DOS SCREEN STYLE: Classic (Authentic DataEase VGA Palette)
   ========================================================================== */
.dos-container {
  background: #000000;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 12px 36px rgba(0, 0, 0, 0.6);
}

.dos-header {
  background: #000000;
  border-bottom: 1px solid rgba(255, 255, 255, 0.15);
}

.dos-status-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background-color: #22c55e;
  box-shadow: 0 0 8px #22c55e;
  display: inline-block;
}

.dos-shell {
  width: 100%;
  container-type: inline-size;
  overflow-x: auto;
  overflow-y: hidden;
  background: #000000;
  padding: 1.25rem;
  box-sizing: border-box;
}

/* All Other (Default Body Text & Screen Area) -> Brown (Intensified Yellow) / Black */
.dos-screen {
  display: block;
  width: 100%;
  min-width: 100%;
  min-height: calc(25 * 1.2em) !important;
  margin: 0;
  padding: 0;
  background-color: #000000;
  color: #ffff00;
  font-family: 'Consolas', 'Courier New', 'Lucida Console', Monaco, monospace !important;
  font-size: clamp(14px, 1.8cqw, 36px) !important;
  line-height: 1.2em !important;
  letter-spacing: 0 !important;
  text-align: left;
  user-select: text;
  font-weight: bold;
}

.dos-line {
  display: flex;
  align-items: center;
  height: 1.2em !important;
  min-height: 1.2em !important;
  max-height: 1.2em !important;
  margin: 0 !important;
  padding: 0 !important;
  line-height: 1.2em !important;
  box-sizing: border-box;
  overflow: hidden;
}

/* All Other -> Brown (Intensified Yellow) / Black */
.dos-text {
  color: #ffff00;
  background-color: #000000;
  font-family: 'Consolas', 'Courier New', 'Lucida Console', Monaco, monospace !important;
  font-size: inherit !important;
  line-height: 1.2em !important;
  height: 1.2em !important;
  display: inline-block;
  vertical-align: middle;
  white-space: pre;
  font-weight: bold;
}

/* Inline Text Style Codes (@c1 = Normal Yellow, @c2 = White, @c3 = Cyan, @c4 = Red) */
.dos-text--c1 {
  color: #ffff00 !important; /* @c1: Normal text / Turn off highlight -> Brown (Intensified Yellow) */
  background-color: #000000 !important;
  font-weight: bold !important;
}

.dos-text--c2 {
  color: #ffffff !important; /* @c2: Highlight 1 FG -> Light Gray (Intensified White) */
  background-color: #000000 !important;
  font-weight: bold !important;
}

.dos-text--c3 {
  color: #00ffff !important; /* @c3: Highlight 2 FG -> Cyan (Intensified Bright Cyan) */
  background-color: #000000 !important;
  font-weight: bold !important;
}

.dos-text--c4 {
  color: #ff5555 !important; /* @c4: Highlight 3 FG -> Red (Intensified Bright Red) */
  background-color: #000000 !important;
  font-weight: bold !important;
}

/* Title Area -> Brown (Intensified Yellow) / Black */
.dos-title,
.dos-header-title {
  color: #ffff00 !important;
  background-color: #000000 !important;
  font-weight: bold !important;
}

/* Cursor/Mode Area -> Cyan (Intensified Bright Cyan) / Black */
.dos-cursor,
.dos-mode,
.dos-status {
  color: #00ffff !important;
  background-color: #000000 !important;
  font-weight: bold !important;
}

/* Message Area -> Red (Intensified Bright Red) / Black */
.dos-message,
.dos-error {
  color: #ff5555 !important;
  background-color: #000000 !important;
  font-weight: bold !important;
}

/* Prompt Line -> Black / Green (Normal) */
.dos-prompt {
  color: #000000 !important;
  background-color: #00aa00 !important;
  font-weight: normal !important;
  padding: 0 4px !important;
}

/* Fields: Regular -> Brown (Intensified Yellow) / Blue */
.dos-field {
  display: inline-flex;
  align-items: center;
  height: 1.2em !important;
  max-height: 1.2em !important;
  box-sizing: border-box;
  margin: 0 !important;
  padding: 0 !important;
  border: 0 !important;
  background-color: #0000aa !important;
  border-radius: 0 !important;
  vertical-align: middle;
}

.dos-field input,
.dos-field input.form-control,
.dos-field input.form-control-sm,
.dos-field--regular input {
  width: var(--field-width, 10ch) !important;
  height: 100% !important;
  min-height: 0 !important;
  max-height: 1.2em !important;
  padding: 0 !important;
  margin: 0 !important;
  border: 0 !important;
  outline: 0 !important;
  border-radius: 0 !important;
  background-color: #0000aa !important;
  color: #ffff00 !important;
  caret-color: #ffff00 !important;
  font-family: 'Consolas', 'Courier New', 'Lucida Console', Monaco, monospace !important;
  font-size: inherit !important;
  line-height: 1.2em !important;
  font-weight: bold !important;
  box-shadow: none !important;
}

/* Fields: 1 = Highlight 1 -> White text / Red background */
.dos-field--h1,
.dos-field--h1 input,
.dos-field--highlight1 input,
.dos-field--h1.dos-field--numeric input,
.dos-field--h1 input.dos-input--numeric,
.dos-field--h1 input[data-numeric="true"] {
  background-color: #aa0000 !important;
  background-image: none !important;
  color: #ffffff !important;
  caret-color: #ffffff !important;
  font-weight: bold !important;
}

/* Fields: 2 = Highlight 2 -> White text / Red background */
.dos-field--h2,
.dos-field--h2 input,
.dos-field--highlight2 input,
.dos-field--h2.dos-field--numeric input,
.dos-field--h2 input.dos-input--numeric,
.dos-field--h2 input[data-numeric="true"] {
  background-color: #aa0000 !important;
  background-image: none !important;
  color: #ffffff !important;
  caret-color: #ffffff !important;
  font-weight: bold !important;
}

/* Fields: 3 = Highlight 3 -> Yellow text / Black background */
.dos-field--h3,
.dos-field--h3 input,
.dos-field--highlight3 input,
.dos-field--h3.dos-field--numeric input,
.dos-field--h3 input.dos-input--numeric,
.dos-field--h3 input[data-numeric="true"] {
  background-color: #000000 !important;
  background-image: none !important;
  color: #ffff00 !important;
  caret-color: #ffff00 !important;
  font-weight: bold !important;
}

/* Fields: 4 = Highlight 4 -> Black text / Black background (Masked/Hidden) */
.dos-field--h4,
.dos-field--h4 input,
.dos-field--highlight4 input,
.dos-field--h4.dos-field--numeric input,
.dos-field--h4 input.dos-input--numeric,
.dos-field--h4 input[data-numeric="true"] {
  background-color: #000000 !important;
  background-image: none !important;
  color: #000000 !important;
  caret-color: #000000 !important;
  font-weight: normal !important;
}

/* Fields: 5 = Highlight 5 -> White text / Cyan background */
.dos-field--h5,
.dos-field--h5 input,
.dos-field--highlight5 input,
.dos-field--h5.dos-field--numeric input,
.dos-field--h5 input.dos-input--numeric,
.dos-field--h5 input[data-numeric="true"] {
  background-color: #00aaaa !important;
  background-image: none !important;
  color: #ffffff !important;
  caret-color: #ffffff !important;
  font-weight: bold !important;
}

/* Fields: 6 = Highlight 6 -> Cyan text / Black background */
.dos-field--h6,
.dos-field--h6 input,
.dos-field--highlight6 input,
.dos-field--h6.dos-field--numeric input,
.dos-field--h6 input.dos-input--numeric,
.dos-field--h6 input[data-numeric="true"] {
  background-color: #000000 !important;
  background-image: none !important;
  color: #00ffff !important;
  caret-color: #00ffff !important;
  font-weight: bold !important;
}

/* Fields: 7 = Highlight 7 -> Red text / Black background */
.dos-field--h7,
.dos-field--h7 input,
.dos-field--highlight7 input,
.dos-field--h7.dos-field--numeric input,
.dos-field--h7 input.dos-input--numeric,
.dos-field--h7 input[data-numeric="true"] {
  background-color: #000000 !important;
  background-image: none !important;
  color: #ff0000 !important;
  caret-color: #ff0000 !important;
  font-weight: bold !important;
}

/* Fields: 8 = Highlight 8 -> Black text / Green background */
.dos-field--h8,
.dos-field--h8 input,
.dos-field--highlight8 input,
.dos-field--green input,
.dos-field--h8.dos-field--numeric input,
.dos-field--h8 input.dos-input--numeric,
.dos-field--h8 input[data-numeric="true"] {
  background-color: #00aa00 !important;
  background-image: none !important;
  color: #000000 !important;
  caret-color: #000000 !important;
  font-weight: bold !important;
}

/* Fields: 9 = Highlight 9 -> White text / Magenta background */
.dos-field--h9,
.dos-field--h9 input,
.dos-field--highlight9 input,
.dos-field--magenta input,
.dos-field--h9.dos-field--numeric input,
.dos-field--h9 input.dos-input--numeric,
.dos-field--h9 input[data-numeric="true"] {
  background-color: #aa00aa !important;
  background-image: none !important;
  color: #ffffff !important;
  caret-color: #ffffff !important;
  font-weight: bold !important;
}

/* Fields: 10 = Highlight 10 -> Yellow text / Blue background */
.dos-field--h10,
.dos-field--h10 input,
.dos-field--highlight10 input,
.dos-field--h10.dos-field--numeric input,
.dos-field--h10 input.dos-input--numeric,
.dos-field--h10 input[data-numeric="true"] {
  background-color: #0000aa !important;
  background-image: none !important;
  color: #ffff00 !important;
  caret-color: #ffff00 !important;
  font-weight: bold !important;
}

/* Numeric Input Fields -> Right-aligned */
.dos-field--numeric input,
.dos-field input[data-numeric="true"],
.dos-field input.dos-input--numeric,
input.dos-input--numeric {
  text-align: right !important;
}

.dos-field input:focus {
  background-color: #0000d5 !important;
  color: #ffff00 !important;
  box-shadow: none !important;
  outline: 0 !important;
}

/* Sidebar Active Action Highlighting (Theme-adaptive) */
#sideMenu .nav-link.dos-active-action,
#sideMenu .nav-link.active:not([data-bs-toggle="collapse"]) {
  background-color: var(--sidebar-link-active-bg) !important;
  color: var(--sidebar-link-active-color) !important;
  font-weight: 600 !important;
  border-left: 4px solid var(--sidebar-link-active-border) !important;
  border-radius: 6px !important;
}

#sideMenu .nav-link.dos-active-action i,
#sideMenu .nav-link.active:not([data-bs-toggle="collapse"]) i {
  color: var(--brand) !important;
}

/* Authentic DOS menu highlight inside emulation screens */
.dos-menu-highlight {
  background-color: #0000aa !important;
  color: #ffffff !important;
  font-weight: bold !important;
  border-left: 4px solid #5555ff !important;
  border-radius: 2px !important;
}

/* Key Names -> Light Gray (Intensified White) / Red */
.dos-key-name,
.dos-function-key {
  color: #ffffff !important;
  background-color: #aa0000 !important;
  font-weight: bold !important;
  padding: 0 4px !important;
  border-radius: 2px !important;
}

.dos-code-block {
  background: var(--bg-card, #ffffff);
  color: var(--text-primary, #0f172a);
  border: 1px solid var(--border-color, #e2e8f0);
  border-radius: 8px;
  padding: 1rem;
  font-family: 'Consolas', 'Courier New', 'Lucida Console', Monaco, monospace;
  font-size: 13px;
  line-height: 1.5;
  white-space: pre-wrap;
  max-height: 500px;
  overflow-y: auto;
}

[data-theme="dark"] .dos-code-block {
  background: #020617;
  color: #e2e8f0;
  border: 1px solid rgba(255, 255, 255, 0.12);
}