/* ==========================================================================
   DDM QA System — Design System v2
   Collapsible dark sidebar layout, indigo accent, soft neutral content area.
   Matches the visual language of the existing DDM CQI Hub tool.
   Centralized here so the whole app's look can be tuned from one file.
   ========================================================================== */

:root {
  /* Content area palette */
  --c-bg: #f6f6fa;
  --c-surface: #ffffff;
  --c-border: #e7e7f0;
  --c-ink: #1f2233;
  --c-ink-muted: #6b6e82;

  /* Accent (indigo, matches the CQI Hub's active nav / tag color) */
  --c-accent: #5b5fea;
  --c-accent-soft: #edecfe;
  --c-accent-strong: #4548c2;

  /* Sidebar palette */
  --c-sidebar-bg: #14152b;
  --c-sidebar-text: #9ea0b8;
  --c-sidebar-text-active: #ffffff;
  --c-sidebar-hover: rgba(255, 255, 255, 0.06);
  --c-sidebar-border: rgba(255, 255, 255, 0.08);

  /* Status colors */
  --c-success: #1a9c6b;
  --c-success-soft: #e2f5ec;
  --c-warning: #c88a1f;
  --c-warning-soft: #fbf0dc;
  --c-danger: #d1453e;
  --c-danger-soft: #fbe7e6;
  --c-info: #3673b8;
  --c-info-soft: #e6f0fa;
  --c-weak: #d17a2e;
  --c-weak-soft: #fbedd9;

  --sidebar-width: 250px;
  --sidebar-width-collapsed: 76px;

  --bs-body-font-family: system-ui, -apple-system, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --bs-body-color: var(--c-ink);
  --bs-body-bg: var(--c-bg);
  --bs-border-color: var(--c-border);
  --bs-primary: var(--c-accent);
  --bs-primary-rgb: 91, 95, 234;
  --bs-success: var(--c-success);
  --bs-success-rgb: 26, 156, 107;
  --bs-warning: var(--c-warning);
  --bs-warning-rgb: 200, 138, 31;
  --bs-danger: var(--c-danger);
  --bs-danger-rgb: 209, 69, 62;
  --bs-info: var(--c-info);
  --bs-info-rgb: 54, 115, 184;
  --bs-secondary: var(--c-ink-muted);
  --bs-secondary-rgb: 107, 110, 130;
  --bs-border-radius: 10px;
  --bs-border-radius-lg: 14px;
  --bs-border-radius-sm: 8px;
}

html {
  font-size: 13px;
}

body {
  font-family: var(--bs-body-font-family);
  color: var(--c-ink);
  background-color: var(--c-bg);
}

h1, h2, h3, h4, h5, h6 {
  font-weight: 500;
  color: var(--c-ink);
}

.text-muted { color: var(--c-ink-muted) !important; }

/* ==========================================================================
   Sidebar layout
   ========================================================================== */

.app-shell { display: flex; min-height: 100vh; }

.sidebar {
  width: var(--sidebar-width);
  background: var(--c-sidebar-bg);
  color: var(--c-sidebar-text);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0; left: 0; bottom: 0;
  z-index: 1000;
  transition: width 0.2s ease;
  overflow-x: hidden;
}
.sidebar.collapsed { width: var(--sidebar-width-collapsed); }

.sidebar-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.1rem 1.1rem;
  border-bottom: 1px solid var(--c-sidebar-border);
  white-space: nowrap;
}
.sidebar-brand { display: flex; align-items: center; gap: 0.65rem; overflow: hidden; }
.sidebar-brand-icon {
  width: 36px; height: 36px; min-width: 36px;
  border-radius: 10px;
  background: var(--c-accent);
  display: flex; align-items: center; justify-content: center;
  color: #fff; font-size: 1.1rem;
}
.sidebar-brand-text { line-height: 1.2; overflow: hidden; }
.sidebar-brand-title { color: #fff; font-weight: 600; font-size: 0.9rem; }
.sidebar-brand-sub { color: var(--c-sidebar-text); font-size: 0.75rem; }
.sidebar.collapsed .sidebar-brand-text { display: none; }

.sidebar-toggle {
  background: rgba(255,255,255,0.06);
  border: none;
  color: var(--c-sidebar-text);
  width: 28px; height: 28px;
  border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
  cursor: pointer;
}
.sidebar-toggle:hover { background: rgba(255,255,255,0.12); color: #fff; }
.sidebar.collapsed .sidebar-toggle i { transform: rotate(180deg); }

.sidebar-nav { flex: 1; padding: 0.75rem 0.75rem; overflow-y: auto; }
.sidebar-section-label {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  color: var(--c-sidebar-text);
  font-size: 0.68rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin: 1rem 0.5rem 0.5rem;
  opacity: 0.7;
}
.sidebar-section-label::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--c-sidebar-border);
}
.sidebar.collapsed .sidebar-section-label { justify-content: center; }
.sidebar.collapsed .sidebar-section-label span { display: none; }
.sidebar.collapsed .sidebar-section-label::after { display: none; }
.sidebar-link {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.6rem 0.75rem;
  border-radius: 9px;
  color: var(--c-sidebar-text);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  white-space: nowrap;
  margin-bottom: 0.15rem;
  transition: background 0.15s ease, color 0.15s ease;
}
.sidebar-link i { font-size: 1.05rem; width: 20px; text-align: center; flex-shrink: 0; }
.sidebar-link:hover { background: var(--c-sidebar-hover); color: #fff; }
.sidebar-link.active { background: var(--c-accent); color: #fff; }
.sidebar.collapsed .sidebar-link span { display: none; }
.sidebar.collapsed .sidebar-link { justify-content: center; }

.sidebar-footer {
  padding: 0.9rem 1rem;
  border-top: 1px solid var(--c-sidebar-border);
  white-space: nowrap;
}
.sidebar-user {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: #d7d8e6;
  font-size: 0.85rem;
  margin-bottom: 0.5rem;
  overflow: hidden;
}
.sidebar-user .status-dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--c-success); flex-shrink: 0;
}
.sidebar.collapsed .sidebar-user span.user-name { display: none; }
.sidebar-logout {
  display: flex; align-items: center; gap: 0.6rem;
  color: #f0918c;
  text-decoration: none;
  font-size: 0.85rem;
  font-weight: 500;
}
.sidebar-logout:hover { color: #fff; }
.sidebar.collapsed .sidebar-logout span { display: none; }

/* Main content area */
.main-content {
  flex: 1;
  margin-left: var(--sidebar-width);
  transition: margin-left 0.2s ease;
  min-width: 0;
}
.main-content.expanded { margin-left: var(--sidebar-width-collapsed); }
.content-container { padding: 2rem 2.25rem 3rem; }

@media (max-width: 900px) {
  .sidebar { width: var(--sidebar-width-collapsed); }
  .sidebar .sidebar-brand-text,
  .sidebar .sidebar-link span,
  .sidebar .sidebar-user span.user-name,
  .sidebar .sidebar-logout span { display: none; }
  .sidebar-link { justify-content: center; }
  .main-content { margin-left: var(--sidebar-width-collapsed); }
  .content-container { padding: 1.25rem; }
}

/* ==========================================================================
   Shared components (cards, buttons, badges, tables, forms)
   ========================================================================== */

.card {
  background-color: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--bs-border-radius-lg);
  box-shadow: 0 1px 2px rgba(20, 21, 43, 0.04);
}

.btn { font-weight: 500; border-radius: var(--bs-border-radius); }
.btn-primary, .btn-dark {
  background-color: var(--c-accent);
  border-color: var(--c-accent);
  color: #fff;
}
.btn-primary:hover, .btn-primary:focus,
.btn-dark:hover, .btn-dark:focus {
  background-color: var(--c-accent-strong);
  border-color: var(--c-accent-strong);
  color: #fff;
}
.btn-success { background-color: var(--c-success); border-color: var(--c-success); }
.btn-success:hover { background-color: #157a54; border-color: #157a54; }
.btn-outline-primary { color: var(--c-accent); border-color: var(--c-accent); }
.btn-outline-primary:hover { background-color: var(--c-accent); border-color: var(--c-accent); }
.btn-outline-secondary { color: var(--c-ink-muted); border-color: var(--c-border); }
.btn-outline-dark { color: var(--c-ink); border-color: var(--c-border); }
.btn-outline-dark:hover { background-color: var(--c-ink); border-color: var(--c-ink); }
.btn-outline-danger { color: var(--c-danger); border-color: var(--c-danger); }
.btn-outline-danger:hover { background-color: var(--c-danger); border-color: var(--c-danger); }

.badge {
  font-weight: 500;
  padding: 0.4em 0.75em;
  border-radius: 999px;
}
.badge.bg-success { background-color: var(--c-success-soft) !important; color: var(--c-success) !important; }
.badge.bg-warning { background-color: var(--c-warning-soft) !important; color: var(--c-warning) !important; }
.badge.bg-danger  { background-color: var(--c-danger-soft) !important; color: var(--c-danger) !important; }
.badge.bg-info    { background-color: var(--c-info-soft) !important; color: var(--c-info) !important; }
.badge.bg-primary { background-color: var(--c-accent-soft) !important; color: var(--c-accent) !important; }
.badge.bg-secondary { background-color: #eeeef4 !important; color: var(--c-ink-muted) !important; }
.badge.bg-dark   { background-color: #eeeef4 !important; color: var(--c-ink) !important; }
.badge.bg-light  { background-color: var(--c-bg) !important; color: var(--c-ink-muted) !important; border-color: var(--c-border) !important; }
.badge-orange, .bar-orange { background-color: var(--c-weak-soft) !important; color: var(--c-weak) !important; }

.table thead th {
  color: var(--c-ink-muted);
  font-weight: 500;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  border-bottom: 1px solid var(--c-border);
}
.sortable-th {
  cursor: pointer;
  user-select: none;
  white-space: nowrap;
}
.sortable-th:hover { color: var(--c-accent); }
.sortable-th .sort-icon { font-size: 0.75rem; opacity: 0.5; margin-left: 0.2rem; }
.sortable-th:hover .sort-icon { opacity: 1; }
.table td, .table th { border-color: var(--c-border); vertical-align: middle; }
.table-hover tbody tr:hover { background-color: var(--c-accent-soft); }

.form-control, .form-select {
  border-color: var(--c-border);
  border-radius: var(--bs-border-radius);
}
.form-control:focus, .form-select:focus {
  border-color: var(--c-accent);
  box-shadow: 0 0 0 0.2rem var(--c-accent-soft);
}
.form-label { font-weight: 500; font-size: 0.9rem; color: var(--c-ink); }

.breadcrumb { font-size: 0.875rem; }
.breadcrumb a { color: var(--c-ink-muted); text-decoration: none; }
.breadcrumb a:hover { color: var(--c-accent); }

.alert-success { background-color: var(--c-success-soft); color: var(--c-success); border: none; }
.alert-danger  { background-color: var(--c-danger-soft); color: var(--c-danger); border: none; }
.alert-info    { background-color: var(--c-info-soft); color: var(--c-info); border: none; }

/* ---- Settings page: Custom Navigation Links (matches reference design) ---- */
.settings-card { padding: 0 !important; overflow: hidden; }
.settings-card-header {
  background: var(--c-bg);
  padding: 1.1rem 1.5rem;
  border-bottom: 1px solid var(--c-border);
}
.settings-card-header h5 { margin-bottom: 0.25rem; }
.settings-card-body { padding: 1.5rem; }

.settings-form-label {
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--c-ink);
  margin-bottom: 0.15rem;
}
.settings-form-hint {
  font-size: 0.8rem;
  color: var(--c-ink-muted);
  margin-bottom: 0.5rem;
}

.settings-link-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  padding: 0.9rem 0;
  border-bottom: 1px solid var(--c-border);
}
.settings-link-row:last-child { border-bottom: none; }
.settings-link-icon {
  width: 34px; height: 34px; border-radius: 8px;
  background: var(--c-accent-soft); color: var(--c-accent);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0; font-size: 0.9rem;
}
.settings-link-info { min-width: 0; flex: 1; }
.settings-link-label { font-weight: 600; color: var(--c-ink); }
.settings-link-url {
  color: var(--c-accent); font-size: 0.85em;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis; display: block;
  text-decoration: none;
}
.settings-link-url:hover { text-decoration: underline; }
.settings-link-remove {
  color: var(--c-ink-muted);
  font-size: 0.85rem;
  display: flex;
  align-items: center;
  gap: 0.3rem;
  text-decoration: none;
  white-space: nowrap;
  flex-shrink: 0;
}
.settings-link-remove:hover { color: var(--c-danger); }

/* ==========================================================================
   Standalone pages (login, public survey response) — no sidebar
   ========================================================================== */
.standalone-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  background-color: var(--c-bg);
}

/* ---- Audit Trail: date group labels and clickable record links ---- */
.audit-date-label {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--c-ink-muted);
  margin: 1.25rem 0 0.5rem;
}
.audit-date-label:first-of-type { margin-top: 0; }
.audit-link {
  color: var(--c-ink);
  text-decoration: none;
}
.audit-link:hover {
  color: var(--c-accent);
  text-decoration: underline;
}