:root {
  --ctb-blue: #005d90;
  --ctb-blue-dark: #003b5c;
  --ctb-blue-soft: #e9f4fb;
  --ctb-yellow: #f6c343;
  --ctb-sand: #fff7df;
  --ctb-text: #17324d;
  --ctb-surface: #f6f9fc;
  --ctb-border: #d8e4ef;
}

html {
  font-size: 15px;
  min-height: 100%;
}

@media (min-width: 768px) {
  html {
    font-size: 16px;
  }
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  color: var(--ctb-text);
  background: var(--ctb-surface);
}

a {
  text-decoration: none;
}

.site-shell {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.page-shell {
  flex: 1 0 auto;
}

.site-header .navbar {
  background: linear-gradient(90deg, var(--ctb-blue-dark), var(--ctb-blue));
}

.navbar-brand {
  font-size: 1.45rem;
  letter-spacing: 0.02em;
}

.brand-logo-link {
  display: inline-flex;
  align-items: center;
  gap: 0.85rem;
}

.brand-logo-image {
  height: 42px;
  width: auto;
  display: block;
  border-radius: 0.4rem;
  box-shadow: 0 0.25rem 0.75rem rgba(0, 0, 0, 0.12);
}

.brand-product-name {
  color: #fff;
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: 0.03em;
}

.navbar-brand span {
  color: var(--ctb-yellow);
}

.nav-link {
  color: rgba(255, 255, 255, 0.82) !important;
  font-weight: 500;
}

.nav-link.active,
.nav-link:hover {
  color: #fff !important;
}

.user-chip {
  display: inline-flex;
  align-items: center;
  padding: 0.45rem 0.85rem;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.14);
  color: #fff;
  font-size: 0.9rem;
}

.hero-section {
  background: linear-gradient(135deg, rgba(0, 59, 92, 0.96), rgba(0, 93, 144, 0.88)), radial-gradient(circle at top right, rgba(246, 195, 67, 0.2), transparent 28%);
}

.section-kicker {
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--ctb-yellow);
}

.hero-card,
.feature-card,
.timeline-card,
.content-panel,
.auth-card,
.summary-card,
.dashboard-card,
.form-panel,
.table-panel,
.profile-card {
  border-radius: 1.25rem;
  background: #fff;
  border: 1px solid rgba(216, 228, 239, 0.9);
}

.hero-card {
  padding: 1.5rem;
  background: rgba(255, 255, 255, 0.12);
  backdrop-filter: blur(8px);
  border-color: rgba(255, 255, 255, 0.2);
}

.metric-card {
  padding: 1rem;
  border-radius: 1rem;
  min-height: 120px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.metric-card strong {
  font-size: 1.5rem;
  color: #fff;
}

.metric-label {
  color: rgba(255, 255, 255, 0.84);
  font-size: 0.9rem;
}

.accent-blue {
  background: rgba(0, 93, 144, 0.92);
}

.accent-yellow {
  background: rgba(246, 195, 67, 0.92);
}

.accent-yellow strong,
.accent-yellow .metric-label,
.accent-white strong,
.accent-white .metric-label,
.accent-soft strong,
.accent-soft .metric-label {
  color: var(--ctb-text);
}

.accent-white {
  background: rgba(255, 255, 255, 0.96);
}

.accent-soft {
  background: rgba(233, 244, 251, 0.96);
}

.feature-card,
.timeline-card,
.content-panel,
.auth-card,
.summary-card,
.dashboard-card,
.form-panel,
.table-panel,
.profile-card {
  padding: 1.5rem;
  box-shadow: 0 1rem 2.4rem rgba(12, 46, 77, 0.07);
}

.feature-card h3,
.timeline-card h4,
.content-panel h3,
.auth-card h1,
.summary-card h2,
.dashboard-card h3,
.profile-card h3 {
  color: var(--ctb-blue-dark);
}

.timeline-step {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 999px;
  margin-bottom: 1rem;
  background: var(--ctb-blue-soft);
  color: var(--ctb-blue);
  font-weight: 700;
}

.section-surface {
  background: linear-gradient(180deg, #f9fcff 0%, #eef5fb 100%);
}

.demo-credential {
  padding: 1rem;
  border-radius: 1rem;
  background: var(--ctb-surface);
  border: 1px solid var(--ctb-border);
}

.site-footer {
  background: linear-gradient(180deg, var(--ctb-blue-dark), #062b43);
  color: #fff;
}

.footer-brand {
  color: #fff;
  font-weight: 700;
}

.footer-logo {
  display: block;
  width: min(100%, 280px);
  height: auto;
  border-radius: 0.4rem;
  background: rgba(255, 255, 255, 0.98);
  padding: 0.3rem;
}

.footer-links li + li {
  margin-top: 0.6rem;
}

.footer-links a,
.footer-bottom span {
  color: rgba(255, 255, 255, 0.78);
}

.footer-links a:hover {
  color: #fff;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.auth-section,
.dashboard-section {
  padding: 3rem 0;
}

.auth-card {
  max-width: 560px;
  margin: 0 auto;
}

.auth-side-card {
  padding: 1.5rem;
  border-radius: 1.25rem;
  background: linear-gradient(180deg, var(--ctb-blue), var(--ctb-blue-dark));
  color: #fff;
  box-shadow: 0 1rem 2rem rgba(6, 43, 67, 0.2);
}

.auth-side-card .section-kicker {
  color: rgba(246, 195, 67, 0.95);
}

.form-control,
.form-select {
  border-radius: 0.8rem;
  border-color: var(--ctb-border);
  padding: 0.8rem 0.95rem;
}

.form-control:focus,
.form-select:focus,
.btn:focus,
.btn:active:focus {
  box-shadow: 0 0 0 0.2rem rgba(0, 93, 144, 0.18);
  border-color: rgba(0, 93, 144, 0.45);
}

.btn-primary {
  background-color: var(--ctb-blue);
  border-color: var(--ctb-blue);
}

.btn-primary:hover {
  background-color: var(--ctb-blue-dark);
  border-color: var(--ctb-blue-dark);
}

.summary-card {
  height: 100%;
}

.summary-card .label,
.dashboard-card .label {
  color: #5f7285;
  display: block;
  margin-bottom: 0.5rem;
}

.summary-card .value,
.dashboard-card .value {
  font-size: 1.9rem;
  font-weight: 700;
  color: var(--ctb-blue-dark);
}

.summary-card.warning {
  background: linear-gradient(180deg, #fff9e7, #fff);
}

.summary-card.info {
  background: linear-gradient(180deg, #edf7fd, #fff);
}

.summary-card.success {
  background: linear-gradient(180deg, #eefbf1, #fff);
}

.summary-card.dark {
  background: linear-gradient(180deg, #ecf0f6, #fff);
}

.status-pill {
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  padding: 0.35rem 0.75rem;
  font-size: 0.8rem;
  font-weight: 700;
}

.badge-soft-success {
  background: #e9f9ef;
  color: #157347;
}

.badge-soft-warning {
  background: #fff6de;
  color: #9a6700;
}

.badge-soft-danger {
  background: #fdecee;
  color: #b42318;
}

.badge-soft-info {
  background: #eaf4ff;
  color: #0b63a6;
}

.badge-soft-secondary {
  background: #eef2f6;
  color: #445467;
}

.table-panel .table thead th,
.content-panel .table thead th {
  border-bottom: 1px solid var(--ctb-border);
  color: #5f7285;
  font-size: 0.83rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.table > :not(caption) > * > * {
  padding: 1rem 0.8rem;
}

.panel-title {
  color: var(--ctb-blue-dark);
  margin-bottom: 1.25rem;
}

.narrow-panel {
  max-width: 820px;
}

.stat-strip {
  padding: 0.9rem 1rem;
  border-radius: 1rem;
  background: var(--ctb-surface);
  border: 1px solid var(--ctb-border);
}

.empty-state {
  padding: 2rem;
  text-align: center;
  border: 1px dashed var(--ctb-border);
  border-radius: 1rem;
  color: #5f7285;
}

.receipt-photo {
  width: 100%;
  border-radius: 1rem;
  border: 1px solid var(--ctb-border);
  background: #fff;
  object-fit: cover;
}

.file-upload-hint {
  padding: 0.9rem 1rem;
  border-radius: 1rem;
  background: var(--ctb-sand);
  border: 1px solid rgba(246, 195, 67, 0.35);
}

.profile-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.profile-list li {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.85rem 0;
  border-bottom: 1px solid var(--ctb-border);
}

.profile-list li:last-child {
  border-bottom: 0;
}

@media (max-width: 991.98px) {
  .user-chip {
    margin: 0.75rem 0;
  }
}

.approval-hero {
  padding: 1.5rem;
  border-radius: 1.5rem;
  background: linear-gradient(135deg, rgba(0, 59, 92, 0.98), rgba(0, 93, 144, 0.92));
  color: #fff;
  box-shadow: 0 1rem 2.4rem rgba(12, 46, 77, 0.18);
}

.approval-hero .section-kicker,
.approval-hero .text-muted {
  color: rgba(255, 255, 255, 0.8) !important;
}

.approval-work-item {
  padding: 1.25rem;
  border: 1px solid var(--ctb-border);
  border-radius: 1.1rem;
  background: linear-gradient(180deg, #fff, #f9fcff);
}

.approval-work-item + .approval-work-item {
  margin-top: 1rem;
}

.approval-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.25rem;
  color: #5f7285;
  font-size: 0.92rem;
}

.approval-timeline {
  list-style: none;
  padding: 0;
  margin: 0;
}

.approval-timeline li {
  position: relative;
  padding-left: 1.75rem;
  color: #5f7285;
}

.approval-timeline li + li {
  margin-top: 1rem;
}

.approval-timeline li::before {
  content: "";
  position: absolute;
  left: 0.35rem;
  top: 0.45rem;
  width: 0.55rem;
  height: 0.55rem;
  border-radius: 999px;
  background: var(--ctb-blue);
  box-shadow: 0 0 0 0.3rem rgba(0, 93, 144, 0.12);
}

.approval-note {
  padding: 0.85rem 1rem;
  border-radius: 1rem;
  background: var(--ctb-surface);
  border: 1px solid var(--ctb-border);
  color: #5f7285;
}

.review-action-card {
  position: sticky;
  top: 6rem;
}