:root.theme-light,
:root {
  --base-font-size: 100%;
  --app-font-family: "Inter", "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", "Liberation Sans", sans-serif;
  --app-heading-font-family: "Poppins", "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif;
}

:root.theme-light,
.theme-light {
  --bg-color: #f3f6fd;
  --text-color: #12263a;
  --muted-color: #4b5563;
  --nav-bg: #e4edff;
  --nav-text: #0f2b52;
  --nav-subtle: #2f6ac4;
  --card-bg: #ffffff;
  --border-color: #d7e2f3;
  --brand-accent: #1f5fc7;
  --header-bg: linear-gradient(135deg, #eaf2ff, #f9fbff);
  --badge-soft-bg: rgba(31, 95, 199, 0.12);
  --badge-soft-text: #1b3f7a;
  --input-bg: #f7faff;
  --input-border: #c9d8f0;
  --button-text: #0f2b52;
}

:root.theme-contrast,
.theme-contrast {
  --bg-color: #0f172a;
  --text-color: #dbe2f7;
  --muted-color: #9fb3c8;
  --nav-bg: #0f2a4a;
  --nav-text: #c7defc;
  --nav-subtle: #7cb7ff;
  --card-bg: #111c32;
  --border-color: #223556;
  --brand-accent: #69a8ff;
  --header-bg: linear-gradient(135deg, #0f2a4a, #13243b);
  --badge-soft-bg: rgba(121, 171, 255, 0.16);
  --badge-soft-text: #dbe7ff;
  --input-bg: #0f1f36;
  --input-border: #29456f;
  --button-text: #0f172a;
  --table-bg: #0f1a2d;
  --table-head-bg: #172743;
  --table-head-text: #e5efff;
  --table-striped-bg: #14233b;
  --table-hover-bg: #1c2c47;
  --table-border: #2b3f5e;
}

html {
  font-size: var(--base-font-size);
}

body {
  background: var(--bg-color);
  color: var(--text-color);
  font-family: var(--app-font-family);
}

h1,
h2,
h3,
h4,
h5,
h6,
.navbar .navbar-brand-text {
  font-family: var(--app-heading-font-family);
}

a {
  color: var(--nav-subtle);
}

.app-navbar {
  background: var(--nav-bg);
  border-bottom: 1px solid var(--border-color);
}

.navbar .navbar-brand-text {
  color: var(--nav-text);
  letter-spacing: 0.02em;
}

.brand-logo-wrap {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 8px 12px;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.35);
  border: 1px solid rgba(255, 255, 255, 0.5);
}

.theme-contrast .brand-logo-wrap {
  background: rgba(255, 255, 255, 0.05);
  border-color: rgba(255, 255, 255, 0.12);
}

.brand-mark {
  height: 128px;
  width: auto;
  filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.2));
}

.app-navbar .navbar-brand {
  padding-top: 12px;
  padding-bottom: 12px;
}

.app-navbar .navbar-nav {
  align-items: center;
}

.navbar .nav-link {
  color: var(--nav-text);
  font-weight: 600;
}

.navbar .nav-link:hover,
.navbar .nav-link:focus,
.navbar .nav-link.active {
  color: var(--nav-subtle);
}

.navbar .nav-link .nav-link-icon {
  opacity: 0.8;
}

.navbar .btn-outline-light,
.navbar .btn-outline-light:active,
.navbar .btn-outline-light:focus {
  color: var(--nav-text);
  border-color: var(--nav-subtle);
  background: var(--card-bg);
  box-shadow: 0 0 0 1px rgba(47, 106, 196, 0.08);
}

.navbar .badge.text-bg-soft {
  background: var(--badge-soft-bg);
  color: var(--badge-soft-text);
  border: 1px solid var(--border-color);
}

.navbar .search-control {
  background: var(--input-bg);
  border: 1px solid var(--input-border);
  color: var(--text-color);
}

.navbar .search-control::placeholder {
  color: var(--muted-color);
}

.navbar .search-control:focus {
  background: var(--card-bg);
  border-color: var(--nav-subtle);
  box-shadow: 0 0 0 2px rgba(31, 95, 199, 0.12);
}

.btn-primary {
  background: linear-gradient(135deg, #cfe1ff, #a9c9ff);
  border-color: #8bb4ff;
  color: var(--button-text);
  box-shadow: 0 12px 30px rgba(31, 95, 199, 0.15);
}

.theme-contrast .btn-primary {
  background: linear-gradient(135deg, #2e5b99, #4f7bc4);
  border-color: #4f7bc4;
  color: #e6efff;
}

.btn-primary:hover,
.btn-primary:focus {
  background: linear-gradient(135deg, #bdd4ff, #95bdff);
  border-color: #7da9f1;
}

.btn-outline-light {
  color: var(--nav-text);
  border-color: var(--nav-subtle);
}

.btn-outline-light:hover,
.btn-outline-light:focus {
  background: var(--badge-soft-bg);
  color: var(--nav-subtle);
}

.font-size-toolbar {
  background: color-mix(in srgb, var(--card-bg) 75%, transparent);
  border: 1px solid var(--border-color);
  border-radius: 10px;
  padding: 4px 8px;
}

.font-size-toolbar .text-muted {
  color: var(--muted-color) !important;
  letter-spacing: 0.03em;
}

.font-size-value {
  min-width: 52px;
  text-align: center;
  font-weight: 700;
  color: var(--nav-text);
  background: color-mix(in srgb, var(--nav-subtle) 18%, transparent);
  border-radius: 8px;
  padding: 4px 6px;
  border: 1px solid var(--border-color);
}

.theme-toggle {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-weight: 600;
}

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

.page-header h2 {
  color: var(--text-color);
}

.page-header .subtitle {
  color: var(--muted-color);
}

.line-clamp {
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.timeline {
  position: relative;
}

.timeline .timeline-item {
  padding-left: 1.5rem;
  position: relative;
  margin-bottom: 1.25rem;
}

.timeline .timeline-item::before {
  content: '';
  position: absolute;
  left: 6px;
  top: 0;
  width: 2px;
  height: 100%;
  background: rgba(32, 95, 199, 0.12);
}

.timeline .timeline-item::after {
  content: '';
  position: absolute;
  left: 0;
  top: 4px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: #205fc7;
}

.auth-card {
  border-radius: 16px;
  border: 1px solid var(--border-color);
  box-shadow: 0 14px 35px rgba(15, 31, 45, 0.05);
  background: var(--card-bg);
}

.login-logo {
  max-height: 450px;
  width: auto;
}

.auth-subtitle {
  color: var(--muted-color);
}

.input-icon {
  color: var(--nav-subtle);
}

.form-control,
.form-check-input {
  border-radius: 10px;
}

.compact-helper {
  color: var(--muted-color);
}

.footer {
  background: var(--card-bg);
  border-top: 1px solid var(--border-color);
}

.theme-contrast .table {
  --bs-table-color: var(--text-color);
  --bs-table-bg: var(--table-bg);
  --bs-table-striped-bg: var(--table-striped-bg);
  --bs-table-hover-bg: var(--table-hover-bg);
  --bs-table-border-color: var(--table-border);
  --bs-table-head-bg: var(--table-head-bg);
  --bs-table-head-color: var(--table-head-text);
  color: var(--text-color);
  border-color: var(--table-border);
}

.theme-contrast .table > :not(caption) > * > * {
  background-color: var(--bs-table-bg);
}

.theme-contrast .table thead th {
  color: var(--table-head-text);
  border-bottom-color: var(--table-border);
}