/* ═══════════════════════════════════════════════════════════════════
   Apollo QA9 — Design System
   Font: Tahoma / MS Sans Serif
   Shape: Square (border-radius: 0)
   Depth: Border-led, no decorative shadows
   ═══════════════════════════════════════════════════════════════════ */

/* ───────────────────────────────────────────────────────────────────
   1. CSS CUSTOM PROPERTIES (Light theme defaults)
   ─────────────────────────────────────────────────────────────────── */
:root {
  /* Accent — override per-module by setting these on :root or a wrapper */
  --qa9-accent:        #243447;
  --qa9-accent-border: #182330;
  --qa9-accent-text:   #ffffff;

  /* Page structure */
  --qa9-page-bg:       #e9ecef;
  --qa9-surface:       #ffffff;
  --qa9-panel:         #f3f5f7;
  --qa9-border:        #b4bcc6;
  --qa9-border-strong: #7a8795;

  /* Typography */
  --qa9-text:          #1f2933;
  --qa9-text-muted:    #4f5c69;
  --qa9-link:          #2f5f8f;

  /* Semantic status */
  --qa9-success-bg:    #edf8ef;
  --qa9-success-bd:    #7fb685;
  --qa9-success-tx:    #21542b;
  --qa9-error-bg:      #fdeeee;
  --qa9-error-bd:      #c97b7b;
  --qa9-error-tx:      #7a1d22;
  --qa9-warning-bg:    #fff7e6;
  --qa9-warning-bd:    #d4ad5f;
  --qa9-warning-tx:    #6b4b12;

  /* Button variants */
  --qa9-btn-danger-bg: #8a2127;
  --qa9-btn-danger-bd: #6b181d;
  --qa9-btn-ok-bg:     #1e6e30;
  --qa9-btn-ok-bd:     #155223;

  /* Alert marker */
  --qa9-alert-amber:   #c28700;

  /* Motion */
  --qa9-transition:    220ms ease;
}

/* ───────────────────────────────────────────────────────────────────
   2. DARK THEME
   ─────────────────────────────────────────────────────────────────── */
[data-theme="dark"] {
  --qa9-page-bg:       #0f1724;
  --qa9-surface:       #162133;
  --qa9-panel:         #1c2a3d;
  --qa9-border:        #31465f;
  --qa9-border-strong: #45617e;
  --qa9-text:          #ecf3fb;
  --qa9-text-muted:    #b2c0d0;
  --qa9-link:          #9fcbff;
}

/* ───────────────────────────────────────────────────────────────────
   3. GLOBAL RESET & BASE
   ─────────────────────────────────────────────────────────────────── */
*,
*::before,
*::after {
  box-sizing: border-box;
  border-radius: 0 !important; /* Square everywhere — spec §5 */
}

html,
body {
  margin: 0;
  padding: 0;
  font-family: Tahoma, "MS Sans Serif", Arial, sans-serif; /* spec §2.1 */
  font-size: 13px;
  line-height: 1.35; /* spec §2.4 */
  color: var(--qa9-text);
  background-color: var(--qa9-page-bg);
  transition:
    background-color var(--qa9-transition),
    color var(--qa9-transition);
}

/* Dark body gradient — spec §4 */
[data-theme="dark"] body {
  background: linear-gradient(to bottom, #0b1320, #111b2a);
  min-height: 100vh;
}

/* Body offset for fixed nav — spec §7.1 */
body {
  margin-top: 64px;
}

@media (max-width: 860px) {
  body {
    margin-top: 102px;
  }
}

a {
  color: var(--qa9-link);
  text-decoration: none;
}
a:hover {
  text-decoration: underline;
}

/* Override Bootstrap border-radius globally */
.btn, .form-control, .form-select, .card, .modal-content,
.dropdown-menu, .badge, .alert, .table, input, select, textarea {
  border-radius: 0 !important;
}

/* ───────────────────────────────────────────────────────────────────
   4. TOP NAVIGATION BAR — spec §7
   ─────────────────────────────────────────────────────────────────── */
.qa9-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 56px;
  z-index: 5000;
  background-color: var(--qa9-accent);
  border-bottom: 1px solid var(--qa9-accent-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 12px;
  gap: 12px;
  transition: background-color var(--qa9-transition);
}

.qa9-nav-left,
.qa9-nav-right {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: nowrap;
  min-width: 0;
}

.qa9-nav-right {
  flex-shrink: 0;
}

/* Brand — spec §7.3 */
.qa9-brand {
  color: #ffffff;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.2px;
  text-decoration: none;
  white-space: nowrap;
  padding: 0 4px;
  flex-shrink: 0;
}
.qa9-brand:hover {
  color: rgba(255,255,255,0.85);
  text-decoration: none;
}

/* Nav buttons — spec §7.4 */
.qa9-nav-btn {
  background: #f0f4f8;
  color: #182635;
  border: 1px solid var(--qa9-accent-border);
  font-family: Tahoma, "MS Sans Serif", Arial, sans-serif;
  font-size: 12px;
  font-weight: 700;
  padding: 5px 10px;
  cursor: pointer;
  white-space: nowrap;
  line-height: 1.35;
  transition: background-color var(--qa9-transition);
}
.qa9-nav-btn:hover {
  background: #e4ebf2;
}
.qa9-nav-btn:focus {
  outline: 2px solid rgba(255,255,255,0.5);
  outline-offset: 1px;
}

/* ───────────────────────────────────────────────────────────────────
   5. PINNED PAGES BAR — spec §7.5
   ─────────────────────────────────────────────────────────────────── */
.qa9-pinned-bar {
  display: flex;
  align-items: center;
  gap: 4px;
  flex-wrap: nowrap;
  overflow: hidden;
}

.qa9-pin-chip {
  background: #e0e6ed;
  border: 1px solid #aab2bc;
  color: #182635;
  font-family: Tahoma, "MS Sans Serif", Arial, sans-serif;
  font-size: 12px;
  font-weight: 700;
  padding: 4px 8px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  text-decoration: none;
  white-space: nowrap;
  cursor: pointer;
  position: relative;
}
.qa9-pin-chip:hover {
  background: #d4dce6;
  color: #182635;
  text-decoration: none;
}

/* Context menu on right-click */
.qa9-pin-ctx {
  position: fixed;
  background: var(--qa9-surface);
  border: 1px solid var(--qa9-border-strong);
  z-index: 9999;
  min-width: 160px;
  padding: 2px 0;
}
.qa9-pin-ctx-item {
  display: block;
  padding: 6px 12px;
  font-size: 12px;
  color: var(--qa9-text);
  cursor: pointer;
  background: none;
  border: none;
  width: 100%;
  text-align: left;
  font-family: Tahoma, "MS Sans Serif", Arial, sans-serif;
}
.qa9-pin-ctx-item:hover {
  background: #eef2f6;
}

/* ───────────────────────────────────────────────────────────────────
   6. DROPDOWN MENUS — spec §7.6
   ─────────────────────────────────────────────────────────────────── */
.qa9-dd-wrap {
  position: relative;
}

.qa9-menu {
  position: absolute;
  top: calc(100% + 4px);
  left: 0;
  background: var(--qa9-surface);
  border: 1px solid var(--qa9-border-strong);
  min-width: 270px;
  max-height: 360px;
  overflow-y: auto;
  z-index: 6000;
  /* No shadow — spec §6 */
}

.qa9-menu-right {
  left: auto;
  right: 0;
}

.qa9-menu-hdr {
  background: #f8fafc;
  border-bottom: 1px solid var(--qa9-border);
  padding: 5px 10px;
  font-size: 11px;
  font-weight: 700;
  color: var(--qa9-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.3px;
}

[data-theme="dark"] .qa9-menu-hdr {
  background: var(--qa9-panel);
}

.qa9-menu-item {
  display: block;
  padding: 8px 10px;
  font-size: 12px;
  color: var(--qa9-text);
  border-bottom: 1px solid var(--qa9-border);
  text-decoration: none;
  cursor: pointer;
  transition: background-color var(--qa9-transition);
}
.qa9-menu-item:last-child {
  border-bottom: none;
}
.qa9-menu-item:hover {
  background: #eef2f6;
  color: var(--qa9-text);
  text-decoration: none;
}

[data-theme="dark"] .qa9-menu-item:hover {
  background: var(--qa9-panel);
}

.qa9-menu-empty {
  padding: 10px;
  font-size: 12px;
  color: var(--qa9-text-muted);
  font-style: italic;
}

/* Locked module item in nav dropdown */
.qa9-menu-item-locked {
  opacity: 0.45;
  cursor: default;
  font-style: italic;
}
.qa9-menu-item-locked:hover {
  background: none;
}

/* Modules mega-menu: wider, scrollable */
.qa9-menu-modules {
  width: 280px;
  max-height: 80vh;
  overflow-y: auto;
  column-count: 2;
  column-gap: 0;
}
.qa9-menu-modules .qa9-menu-hdr,
.qa9-menu-modules .qa9-menu-sep {
  column-span: all;
}

.qa9-menu-row {
  display: flex;
  align-items: center;
  padding: 6px 10px;
  font-size: 12px;
  color: var(--qa9-text);
}

.qa9-menu-label {
  color: var(--qa9-text-muted);
}

.qa9-menu-sep {
  border: none;
  border-top: 1px solid var(--qa9-border);
  margin: 2px 0;
}

/* ───────────────────────────────────────────────────────────────────
   7. PAGE WRAPPER & WINDOW FRAME — spec §8, §9
   ─────────────────────────────────────────────────────────────────── */
.qa9-page-wrap {
  max-width: 1140px;
  margin: 16px auto 20px;
  padding: 0 12px 20px;
}

/* Wide override for data-dense pages */
.qa9-page-wrap.wide {
  max-width: 1580px;
}

.window-frame {
  border: 1px solid var(--qa9-border-strong);
  background: var(--qa9-panel);
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.55); /* spec §6 */
  transition:
    background-color var(--qa9-transition),
    border-color var(--qa9-transition);
}

/* ───────────────────────────────────────────────────────────────────
   8. TITLE BAR — spec §9.2
   ─────────────────────────────────────────────────────────────────── */
.title-bar {
  background: var(--qa9-accent);
  border-bottom: 1px solid var(--qa9-accent-border);
  padding: 8px 10px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 8px;
  transition: background-color var(--qa9-transition);
}

.title-bar-left {
  display: flex;
  align-items: center;
  gap: 8px;
  min-width: 0;
}

.title-bar-icon {
  font-size: 15px;
  flex-shrink: 0;
}

.title-bar-text {
  color: var(--qa9-accent-text);
  font-size: 15px;
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.title-bar-meta {
  color: rgba(255,255,255,0.75);
  font-size: 12px;
  font-weight: 400;
  white-space: nowrap;
  flex-shrink: 0;
}

.title-bar-sep {
  margin: 0 4px;
  opacity: 0.5;
}

/* Mobile title bar — spec §21 */
@media (max-width: 860px) {
  .title-bar {
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
  }
}

/* ───────────────────────────────────────────────────────────────────
   9. WINDOW BODY & INTRO PANEL — spec §9.3, §10
   ─────────────────────────────────────────────────────────────────── */
.window-body {
  padding: 10px;
  background: var(--qa9-panel);
  transition: background-color var(--qa9-transition);
}

/* ── Status strip (universal draft/finalized/warning bar) ── */
.status-strip {
  padding: 7px 12px;
  font-size: 12px;
  font-weight: 500;
  border-bottom: 1px solid var(--qa9-border);
  display: flex;
  align-items: center;
  gap: 10px;
  letter-spacing: 0.01em;
}
.status-strip-draft {
  background: rgba(200,140,0,0.10);
  color: var(--qa9-text-muted);
  border-left: 3px solid #c28700;
}
.status-strip-finalized {
  background: rgba(39,174,96,0.10);
  color: var(--qa9-text-muted);
  border-left: 3px solid #27ae60;
}
.status-strip-warning {
  background: rgba(200,100,0,0.10);
  color: var(--qa9-text-muted);
  border-left: 3px solid #e07b00;
}
[data-theme="dark"] .status-strip-draft     { background: rgba(200,140,0,0.12); }
[data-theme="dark"] .status-strip-finalized { background: rgba(39,174,96,0.12); }
[data-theme="dark"] .status-strip-warning   { background: rgba(200,100,0,0.12); }

.intro-panel {
  background: var(--qa9-surface);
  border: 1px solid var(--qa9-border);
  padding: 9px 10px;
  margin-bottom: 12px;
  font-size: 13px;
  color: var(--qa9-text-muted);
  transition:
    background-color var(--qa9-transition),
    border-color var(--qa9-transition);
}

/* ───────────────────────────────────────────────────────────────────
   10. INDEX PAGE — Group container, titles, tool cards — spec §11
   ─────────────────────────────────────────────────────────────────── */
.tool-group {
  margin-bottom: 12px;
  border: 1px solid var(--qa9-border);
  background: var(--qa9-surface);
  padding: 10px;
  transition:
    background-color var(--qa9-transition),
    border-color var(--qa9-transition);
}

.tool-group-title {
  margin-bottom: 9px;
  font-size: 12px;
  font-weight: 700;
  color: var(--qa9-accent);
  text-transform: uppercase;
  letter-spacing: 0.35px;
  padding-bottom: 6px;
  border-bottom: 1px solid var(--qa9-border);
  transition: color var(--qa9-transition);
}

.tool-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.tool-grid-3 {
  grid-template-columns: 1fr 1fr 1fr;
}

@media (max-width: 860px) {
  .tool-grid,
  .tool-grid-3 {
    grid-template-columns: 1fr;
  }
}

/* Tool card — spec §11.4 */
.tool-card {
  background: var(--qa9-surface);
  border: 1px solid var(--qa9-border);
  padding: 12px;
  position: relative;
  transition:
    background-color var(--qa9-transition),
    border-color var(--qa9-transition);
}

.tool-card-title {
  font-size: 18px;
  font-weight: 700;
  color: var(--qa9-accent);
  margin-bottom: 4px;
  display: block;
  text-decoration: none;
  transition: color var(--qa9-transition);
}
.tool-card-title:hover {
  color: var(--qa9-accent);
  text-decoration: underline;
}

.tool-card-desc {
  font-size: 13px;
  color: var(--qa9-text-muted);
  margin-bottom: 10px;
  transition: color var(--qa9-transition);
}

.tool-card-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  align-items: center;
}

/* Locked module card */
.tool-card-locked {
  opacity: 0.55;
  filter: grayscale(0.4);
}
.tool-card-locked .tool-card-title {
  color: var(--qa9-text-muted);
  cursor: default;
  pointer-events: none;
}

/* Alert marker — spec §11.5 */
.tool-card-alert {
  position: absolute;
  top: 8px;
  right: 10px;
  color: var(--qa9-alert-amber);
  font-size: 16px;
  line-height: 1;
}

/* Status bar at bottom of index — spec §11.6 */
.index-statusbar {
  background: var(--qa9-surface);
  border: 1px solid var(--qa9-border);
  padding: 6px 8px;
  font-size: 12px;
  color: var(--qa9-text-muted);
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 10px;
  transition:
    background-color var(--qa9-transition),
    border-color var(--qa9-transition);
}

/* ───────────────────────────────────────────────────────────────────
   10b. MODULE TOOLBAR — action bar at top of module pages
   ─────────────────────────────────────────────────────────────────── */
.qa9-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 7px 10px;
  background: var(--qa9-surface);
  border: 1px solid var(--qa9-border);
  margin-bottom: 10px;
  flex-wrap: wrap;
  transition: background-color var(--qa9-transition), border-color var(--qa9-transition);
}
.qa9-toolbar-left  { display: flex; align-items: center; gap: 8px; }
.qa9-toolbar-right { display: flex; align-items: center; gap: 6px; }

/* ───────────────────────────────────────────────────────────────────
   11. SECTION PATTERN — spec §13
   ─────────────────────────────────────────────────────────────────── */
.qa9-section {
  margin-top: 10px;
  border: 1px solid var(--qa9-border);
  background: var(--qa9-surface);
  transition:
    background-color var(--qa9-transition),
    border-color var(--qa9-transition);
}

.qa9-section-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
  background: var(--qa9-panel);
  border-bottom: 1px solid var(--qa9-border);
  padding: 6px 8px;
  transition: background-color var(--qa9-transition);
}

.qa9-section-title {
  margin: 0;
  font-size: 13px;
  font-weight: 700;
  color: var(--qa9-accent);
  transition: color var(--qa9-transition);
}

.qa9-section-body {
  padding: 8px;
}

/* ───────────────────────────────────────────────────────────────────
   12. BUTTONS — spec §14
   ─────────────────────────────────────────────────────────────────── */

/* Reset Bootstrap btn */
.btn {
  display: inline-flex !important;
  align-items: center;
  gap: 5px;
  font-family: Tahoma, "MS Sans Serif", Arial, sans-serif !important;
  font-size: 12px !important;
  font-weight: 700 !important;
  padding: 4px 10px !important;
  border-radius: 0 !important;
  line-height: 1.35 !important;
  cursor: pointer;
  text-decoration: none;
  white-space: nowrap;
  transition: background-color var(--qa9-transition), opacity var(--qa9-transition);
}

/* Default button — spec §14.1 */
.btn-default,
.btn-outline-secondary {
  background: var(--qa9-surface) !important;
  border: 1px solid var(--qa9-border-strong) !important;
  color: var(--qa9-text) !important;
}
.btn-default:hover,
.btn-outline-secondary:hover {
  background: var(--qa9-panel) !important;
  color: var(--qa9-text) !important;
}

/* Primary button — spec §14.2 */
.btn-primary {
  background: var(--qa9-accent) !important;
  border: 1px solid var(--qa9-accent-border) !important;
  color: var(--qa9-accent-text) !important;
}
.btn-primary:hover,
.btn-primary:focus {
  opacity: 0.88;
  background: var(--qa9-accent) !important;
  color: var(--qa9-accent-text) !important;
}

/* Success button — spec §14.3 */
.btn-success {
  background: var(--qa9-btn-ok-bg) !important;
  border: 1px solid var(--qa9-btn-ok-bd) !important;
  color: #ffffff !important;
}
.btn-success:hover {
  opacity: 0.88;
  background: var(--qa9-btn-ok-bg) !important;
  color: #ffffff !important;
}

/* Danger button — spec §14.4 */
.btn-danger {
  background: var(--qa9-btn-danger-bg) !important;
  border: 1px solid var(--qa9-btn-danger-bd) !important;
  color: #ffffff !important;
}
.btn-danger:hover {
  opacity: 0.88;
  background: var(--qa9-btn-danger-bg) !important;
  color: #ffffff !important;
}

/* Small button — spec §14.5 */
.btn-sm {
  font-size: 11px !important;
  padding: 3px 7px !important;
}

.btn-xs {
  font-size: 10px !important;
  padding: 2px 5px !important;
  line-height: 1.4 !important;
}

/* Inline badges used by circuit/module tables */
.badge {
  display: inline-block;
  font-size: 10px;
  font-weight: 700;
  padding: 2px 5px;
  border-radius: 2px;
  white-space: nowrap;
  background: var(--qa9-panel);
  border: 1px solid var(--qa9-border);
  color: var(--qa9-text-muted);
}
.badge-success { background: var(--qa9-success-bg); border-color: var(--qa9-success-bd); color: var(--qa9-success-tx); }
.badge-info    { background: rgba(0,100,200,0.12); border-color: rgba(0,100,200,0.3); color: var(--qa9-text); }
.badge-primary { background: var(--qa9-accent); border-color: var(--qa9-accent-border); color: #fff; }
.badge-default { background: var(--qa9-panel); border-color: var(--qa9-border); color: var(--qa9-text-muted); }
.badge-danger  { background: var(--qa9-error-bg); border-color: var(--qa9-error-bd); color: var(--qa9-error-tx); }

.link-plain { color: var(--qa9-text); text-decoration: none; font-weight: 500; }
.link-plain:hover { color: var(--qa9-accent); text-decoration: underline; }

.text-danger { color: var(--qa9-danger, #c0392b) !important; }
.fw-bold     { font-weight: 700 !important; }

/* Add-row button in section heads — spec §13.5 */
.btn-add {
  background: var(--qa9-surface) !important;
  border: 1px solid var(--qa9-border-strong) !important;
  color: var(--qa9-text) !important;
  font-size: 14px !important;
  padding: 2px 7px !important;
  line-height: 1.2 !important;
  font-weight: 700 !important;
}
.btn-add:hover {
  background: var(--qa9-panel) !important;
}

/* ───────────────────────────────────────────────────────────────────
   13. FORMS & INPUTS — spec §15
   ─────────────────────────────────────────────────────────────────── */
.form-control,
.form-select,
input[type="text"],
input[type="number"],
input[type="date"],
input[type="email"],
input[type="search"],
input[type="tel"],
input[type="url"],
input[type="password"],
select,
textarea {
  border: 1px solid var(--qa9-border) !important;
  background: var(--qa9-surface) !important;
  color: var(--qa9-text) !important;
  padding: 4px 6px !important;
  font-family: Tahoma, "MS Sans Serif", Arial, sans-serif !important;
  font-size: 13px !important;
  border-radius: 0 !important;
  line-height: 1.35 !important;
  transition:
    background-color var(--qa9-transition),
    border-color var(--qa9-transition),
    color var(--qa9-transition);
}

.form-control:focus,
.form-select:focus,
input:focus,
select:focus,
textarea:focus {
  outline: 2px solid var(--qa9-accent);
  outline-offset: 0;
  box-shadow: none !important;
  border-color: var(--qa9-border-strong) !important;
}

/* Labels — spec §15.2 */
label,
.form-label {
  display: block;
  font-size: 12px;
  font-weight: 700;
  margin-bottom: 3px;
  color: var(--qa9-text);
  font-family: Tahoma, "MS Sans Serif", Arial, sans-serif;
}

/* Tight form grid — spec §15.3 */
.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px 12px;
}
.form-grid.g1 { grid-template-columns: 1fr; }
.form-grid.g3 { grid-template-columns: 1fr 1fr 1fr; }

@media (max-width: 640px) {
  .form-grid,
  .form-grid.g3 {
    grid-template-columns: 1fr;
  }
}

.form-field {
  display: flex;
  flex-direction: column;
}

/* Checkboxes */
.form-check {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 0;
}
.form-check-input {
  appearance: none;
  -webkit-appearance: none;
  margin: 0;
  flex-shrink: 0;
  width: 15px;
  height: 15px;
  border: 1px solid var(--border);
  border-radius: 3px;
  background: var(--input-bg, var(--surface));
  cursor: pointer;
  position: relative;
  transition: background 0.15s, border-color 0.15s;
}
.form-check-input:checked {
  background: var(--accent);
  border-color: var(--accent);
}
.form-check-input:checked::after {
  content: '';
  position: absolute;
  left: 4px;
  top: 1px;
  width: 5px;
  height: 9px;
  border: 2px solid #fff;
  border-top: none;
  border-left: none;
  transform: rotate(45deg);
}
.form-check-input:focus {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}
.form-check-label {
  font-size: 13px;
  font-weight: 400;
  margin: 0;
  cursor: pointer;
}

/* ───────────────────────────────────────────────────────────────────
   14. TABLES — spec §16
   ─────────────────────────────────────────────────────────────────── */
.qa9-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
  color: var(--qa9-text);
}

.qa9-table th {
  background: var(--qa9-accent);
  color: #ffffff;
  padding: 6px 8px;
  text-align: left;
  font-size: 12px;
  font-weight: 700;
  white-space: nowrap;
  border-right: 1px solid var(--qa9-accent-border);
  transition: background-color var(--qa9-transition);
}
.qa9-table th:last-child {
  border-right: none;
}

.qa9-table td {
  padding: 5px 8px;
  border-bottom: 1px solid var(--qa9-border);
  vertical-align: middle;
  font-size: 13px;
  transition: border-color var(--qa9-transition);
}

/* Alternating rows — spec §16.3 */
.qa9-table tbody tr:nth-child(even) td {
  background: var(--qa9-panel);
}
.qa9-table tbody tr:nth-child(odd) td {
  background: var(--qa9-surface);
}

.qa9-table tbody tr:hover td {
  background: #eef2f6;
}
[data-theme="dark"] .qa9-table tbody tr:hover td {
  background: #1e3550;
}

/* Numeric cells — spec §16.4 */
.qa9-table .num {
  text-align: right;
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

/* Clickable rows */
.qa9-table tbody tr.clickable {
  cursor: pointer;
}

/* ───────────────────────────────────────────────────────────────────
   15. BADGES & CHIPS — spec §17
   ─────────────────────────────────────────────────────────────────── */
.qa9-badge {
  display: inline-block;
  font-size: 11px;
  font-weight: 700;
  padding: 2px 6px;
  background: var(--qa9-panel);
  border: 1px solid var(--qa9-border);
  color: var(--qa9-text-muted);
  white-space: nowrap;
  transition:
    background-color var(--qa9-transition),
    border-color var(--qa9-transition),
    color var(--qa9-transition);
}

.qa9-badge-accent {
  background: var(--qa9-accent);
  border-color: var(--qa9-accent-border);
  color: #ffffff;
}

.qa9-badge-ok {
  background: var(--qa9-success-bg);
  border-color: var(--qa9-success-bd);
  color: var(--qa9-success-tx);
}

.qa9-badge-error {
  background: var(--qa9-error-bg);
  border-color: var(--qa9-error-bd);
  color: var(--qa9-error-tx);
}

.qa9-badge-warn {
  background: var(--qa9-warning-bg);
  border-color: var(--qa9-warning-bd);
  color: var(--qa9-warning-tx);
}

/* ───────────────────────────────────────────────────────────────────
   16. STATUS / ALERT BLOCKS — spec §18
   ─────────────────────────────────────────────────────────────────── */
.qa9-alert {
  border: 1px solid;
  padding: 8px 10px;
  margin: 8px 0;
  font-size: 12px;
  line-height: 1.4;
}

.qa9-alert-success {
  background: var(--qa9-success-bg);
  border-color: var(--qa9-success-bd);
  color: var(--qa9-success-tx);
}

.qa9-alert-error {
  background: var(--qa9-error-bg);
  border-color: var(--qa9-error-bd);
  color: var(--qa9-error-tx);
}

.qa9-alert-warning {
  background: var(--qa9-warning-bg);
  border-color: var(--qa9-warning-bd);
  color: var(--qa9-warning-tx);
}

.qa9-alert-info {
  background: var(--qa9-panel);
  border-color: var(--qa9-border);
  color: var(--qa9-text);
}

/* ───────────────────────────────────────────────────────────────────
   17. METADATA LINES — spec §19
   ─────────────────────────────────────────────────────────────────── */
.meta,
.meta-line {
  font-size: 12px;
  color: var(--qa9-text-muted);
  line-height: 1.4;
  transition: color var(--qa9-transition);
}

/* ───────────────────────────────────────────────────────────────────
   18. MODALS — spec §20
   ─────────────────────────────────────────────────────────────────── */
.qa9-modal .modal-content {
  border: 1px solid var(--qa9-border-strong) !important;
  background: var(--qa9-surface) !important;
  border-radius: 0 !important;
  min-width: 360px;
  max-width: 560px;
}

.qa9-modal .modal-header {
  background: var(--qa9-accent);
  border-bottom: 1px solid var(--qa9-accent-border);
  padding: 8px 12px;
  border-radius: 0 !important;
}

.qa9-modal .modal-title {
  color: #ffffff;
  font-size: 14px;
  font-weight: 700;
  font-family: Tahoma, "MS Sans Serif", Arial, sans-serif;
}

.qa9-modal .btn-close {
  filter: invert(1);
  opacity: 0.8;
}
.qa9-modal .btn-close:hover {
  opacity: 1;
}

.qa9-modal .modal-body {
  padding: 12px;
  color: var(--qa9-text);
  font-size: 13px;
}

.qa9-modal .modal-footer {
  background: var(--qa9-panel);
  border-top: 1px solid var(--qa9-border);
  padding: 8px 12px;
  gap: 6px;
  border-radius: 0 !important;
}

/* ───────────────────────────────────────────────────────────────────
   19. LOGIN PAGE — custom layout
   ─────────────────────────────────────────────────────────────────── */
.qa9-login-body {
  background: var(--qa9-page-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  margin: 0;
}

[data-theme="dark"] .qa9-login-body {
  background: linear-gradient(to bottom, #0b1320, #111b2a);
}

.qa9-login-wrap {
  width: 100%;
  max-width: 380px;
  padding: 16px;
}

.qa9-login-header {
  text-align: center;
  margin-bottom: 16px;
}

.qa9-login-brand {
  font-size: 22px;
  font-weight: 700;
  color: var(--qa9-accent);
  letter-spacing: 0.2px;
}

.qa9-login-subtitle {
  font-size: 12px;
  color: var(--qa9-text-muted);
  margin-top: 3px;
}

.qa9-login-card {
  border: 1px solid var(--qa9-border-strong);
  background: var(--qa9-surface);
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.55);
  transition:
    background-color var(--qa9-transition),
    border-color var(--qa9-transition);
}

.qa9-login-card-title {
  background: var(--qa9-accent);
  border-bottom: 1px solid var(--qa9-accent-border);
  color: #ffffff;
  font-size: 14px;
  font-weight: 700;
  padding: 8px 12px;
}

.qa9-login-card-body {
  padding: 16px;
}

.qa9-login-footer {
  text-align: center;
  font-size: 11px;
  color: var(--qa9-text-muted);
  margin-top: 12px;
}

/* ───────────────────────────────────────────────────────────────────
   20. UTILITY CLASSES
   ─────────────────────────────────────────────────────────────────── */
.text-muted-qa9 {
  color: var(--qa9-text-muted) !important;
}

.text-accent {
  color: var(--qa9-accent) !important;
}

.surface {
  background: var(--qa9-surface);
  transition: background-color var(--qa9-transition);
}

.panel {
  background: var(--qa9-panel);
  transition: background-color var(--qa9-transition);
}

.border-qa9 {
  border: 1px solid var(--qa9-border);
}

/* Stat value display */
.stat-val {
  font-size: 24px;
  font-weight: 700;
  color: var(--qa9-accent);
  line-height: 1.1;
}

.stat-label {
  font-size: 12px;
  color: var(--qa9-text-muted);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.3px;
}

/* Responsive spacing */
@media (max-width: 860px) {
  .qa9-page-wrap {
    margin: 8px auto 12px;
    padding: 0 8px 12px;
  }
}

/* Dark mode — surface and panel overrides for Bootstrap components */
[data-theme="dark"] .qa9-table tbody tr:nth-child(even) td {
  background: #1a2d42;
}
[data-theme="dark"] .qa9-table tbody tr:nth-child(odd) td {
  background: var(--qa9-surface);
}

[data-theme="dark"] .window-frame {
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.08);
}

[data-theme="dark"] .form-control,
[data-theme="dark"] .form-select,
[data-theme="dark"] input[type="text"],
[data-theme="dark"] input[type="number"],
[data-theme="dark"] input[type="date"],
[data-theme="dark"] input[type="email"],
[data-theme="dark"] input[type="search"],
[data-theme="dark"] input[type="tel"],
[data-theme="dark"] input[type="url"],
[data-theme="dark"] input[type="password"],
[data-theme="dark"] select,
[data-theme="dark"] textarea {
  background: var(--qa9-panel) !important;
  border-color: var(--qa9-border) !important;
  color: var(--qa9-text) !important;
}

[data-theme="dark"] .btn-default,
[data-theme="dark"] .btn-outline-secondary {
  background: var(--qa9-panel) !important;
  border-color: var(--qa9-border-strong) !important;
  color: var(--qa9-text) !important;
}
[data-theme="dark"] .btn-default:hover,
[data-theme="dark"] .btn-outline-secondary:hover {
  background: var(--qa9-border) !important;
}

[data-theme="dark"] .qa9-nav-btn {
  background: rgba(255,255,255,0.12);
  color: #ecf3fb;
  border-color: rgba(255,255,255,0.18);
}
[data-theme="dark"] .qa9-nav-btn:hover {
  background: rgba(255,255,255,0.2);
}

[data-theme="dark"] .qa9-menu {
  background: var(--qa9-surface);
  border-color: var(--qa9-border-strong);
}

[data-theme="dark"] .qa9-pin-chip {
  background: var(--qa9-panel);
  border-color: var(--qa9-border);
  color: var(--qa9-text);
}
[data-theme="dark"] .qa9-pin-chip:hover {
  background: var(--qa9-border);
}

/* ═══════════════════════════════════════════════════════════════════
   DARK MODE ENHANCEMENT LAYER
   The accent color (#243447) works as a background in both modes,
   but is unreadable as TEXT on dark surfaces. Every element that uses
   the accent as a foreground color needs a remapped value in dark mode.
   ═══════════════════════════════════════════════════════════════════ */

/* ── Accent-as-text colour remap ──────────────────────────────────── */
/* Light blue that reads clearly on all dark surfaces */
:root { --qa9-accent-lit: #7bbfff; }

[data-theme="dark"] .tool-card-title,
[data-theme="dark"] .tool-card-title:hover,
[data-theme="dark"] .tool-group-title,
[data-theme="dark"] .qa9-section-title,
[data-theme="dark"] .text-accent,
[data-theme="dark"] .stat-val {
  color: var(--qa9-accent-lit) !important;
}

/* ── Tool group container ─────────────────────────────────────────── */
[data-theme="dark"] .tool-group {
  background: var(--qa9-surface);        /* #162133 */
  border-color: var(--qa9-border-strong);
}

/* Group title divider line */
[data-theme="dark"] .tool-group-title {
  border-bottom-color: var(--qa9-border-strong);
}

/* ── Tool cards ───────────────────────────────────────────────────── */
/* Give cards a slightly elevated surface so they read above the group bg */
[data-theme="dark"] .tool-card {
  background: #1d2f46;
  border-color: var(--qa9-border);
}

[data-theme="dark"] .tool-card:hover {
  border-color: var(--qa9-border-strong);
  background: #213549;
}

[data-theme="dark"] .tool-card-desc {
  color: #c0cfe0;
}

/* ── Default buttons (Open, Reports, etc.) ────────────────────────── */
/* The current panel bg is too close to the card bg — lift it noticeably */
[data-theme="dark"] .btn-default,
[data-theme="dark"] .btn-outline-secondary {
  background: #243547 !important;
  border: 1px solid #45617e !important;
  color: #d6e8f8 !important;
}
[data-theme="dark"] .btn-default:hover,
[data-theme="dark"] .btn-outline-secondary:hover {
  background: #2e4460 !important;
  color: #ecf3fb !important;
}

/* ── Sections ─────────────────────────────────────────────────────── */
[data-theme="dark"] .qa9-section {
  border-color: var(--qa9-border-strong);
}

[data-theme="dark"] .qa9-section-head {
  background: #192841;
  border-bottom-color: var(--qa9-border-strong);
}

[data-theme="dark"] .qa9-section-body {
  background: var(--qa9-surface);
}

/* ── Intro panel ──────────────────────────────────────────────────── */
[data-theme="dark"] .intro-panel {
  background: #192030;
  border-color: var(--qa9-border-strong);
  color: var(--qa9-text-muted);
}

/* ── Window frame ─────────────────────────────────────────────────── */
[data-theme="dark"] .window-frame {
  border-color: var(--qa9-border-strong);
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,0.06),
    0 0 0 1px rgba(0,0,0,0.4);
}

/* Window body gets a slightly different shade than the frame border */
[data-theme="dark"] .window-body {
  background: #131e2e;
}

/* ── Index status bar ─────────────────────────────────────────────── */
[data-theme="dark"] .index-statusbar {
  background: #192030;
  border-color: var(--qa9-border-strong);
  color: var(--qa9-text-muted);
}

/* ── Nav dropdown menus ───────────────────────────────────────────── */
[data-theme="dark"] .qa9-menu-item:hover {
  background: #243547;
  color: var(--qa9-text);
}

[data-theme="dark"] .qa9-menu-row {
  color: var(--qa9-text);
}

/* ── Table headers stay accent-filled (correct); just sharpen borders */
[data-theme="dark"] .qa9-table {
  border: 1px solid var(--qa9-border-strong);
}
[data-theme="dark"] .qa9-table td {
  border-bottom-color: var(--qa9-border);
}

/* ── Semantic alerts in dark mode ─────────────────────────────────── */
[data-theme="dark"] .qa9-alert-success {
  background: #0d2b14;
  border-color: #3a7a45;
  color: #7fd48a;
}
[data-theme="dark"] .qa9-alert-error {
  background: #2b0d0d;
  border-color: #8a4444;
  color: #f0a0a0;
}
[data-theme="dark"] .qa9-alert-warning {
  background: #2b2000;
  border-color: #8a6a20;
  color: #f0c860;
}
[data-theme="dark"] .qa9-alert-info {
  background: var(--qa9-panel);
  border-color: var(--qa9-border-strong);
  color: var(--qa9-text);
}

/* ── Badges in dark mode ──────────────────────────────────────────── */
[data-theme="dark"] .qa9-badge {
  background: #243040;
  border-color: #3a5270;
  color: #b2c0d0;
}
[data-theme="dark"] .qa9-badge-ok {
  background: #0d2b14;
  border-color: #3a7a45;
  color: #7fd48a;
}
[data-theme="dark"] .qa9-badge-error {
  background: #2b0d0d;
  border-color: #8a4444;
  color: #f0a0a0;
}
[data-theme="dark"] .qa9-badge-warn {
  background: #2b2000;
  border-color: #8a6a20;
  color: #f0c860;
}

/* ── Login card in dark mode ──────────────────────────────────────── */
[data-theme="dark"] .qa9-login-card {
  border-color: var(--qa9-border-strong);
  box-shadow: 0 4px 24px rgba(0,0,0,0.5);
}
[data-theme="dark"] .qa9-login-brand {
  color: var(--qa9-accent-lit);
}

/* ── Modal in dark mode ───────────────────────────────────────────── */
[data-theme="dark"] .qa9-modal .modal-content {
  background: var(--qa9-surface) !important;
  border-color: var(--qa9-border-strong) !important;
}
[data-theme="dark"] .qa9-modal .modal-footer {
  background: #192030;
  border-top-color: var(--qa9-border-strong);
}

/* ── Page wrap links ──────────────────────────────────────────────── */
[data-theme="dark"] a {
  color: #9fcbff;
}
[data-theme="dark"] a:hover {
  color: #bfdcff;
}

/* ══════════════════════════════════════════════════════════════════════
   AVATARS
   ══════════════════════════════════════════════════════════════════════ */
.qa9-avatar {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  flex-shrink: 0;
  background: var(--qa9-accent);
  color: #fff;
  font-weight: 700;
}
.qa9-avatar img {
  width: 100%; height: 100%;
  object-fit: cover;
  display: block;
}
.qa9-avatar-xs  { width: 20px; height: 20px; font-size: 9px; }
.qa9-avatar-sm  { width: 32px; height: 32px; font-size: 13px; }
.qa9-avatar-md  { width: 48px; height: 48px; font-size: 19px; }
.qa9-avatar-lg  { width: 72px; height: 72px; font-size: 28px; }
.qa9-avatar-xl  { width: 96px; height: 96px; font-size: 38px; }
.qa9-avatar-initials { line-height: 1; }

/* Nav user button with avatar */
.qa9-nav-btn-user { display: flex; align-items: center; gap: 6px; padding: 4px 8px; }
.nav-avatar-img {
  width: 22px; height: 22px;
  object-fit: cover;
  border: 1px solid rgba(255,255,255,0.3);
}
.nav-avatar-initials {
  width: 22px; height: 22px;
  background: rgba(255,255,255,0.2);
  color: #fff;
  font-size: 11px; font-weight: 700;
  display: inline-flex; align-items: center; justify-content: center;
  border: 1px solid rgba(255,255,255,0.3);
}
.nav-user-name { max-width: 120px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

[data-theme="dark"] .nav-avatar-img    { border-color: rgba(255,255,255,0.2); }
[data-theme="dark"] .nav-avatar-initials { background: rgba(255,255,255,0.12); }