:root {
  --app-bg: #f4f6f8;
  --app-surface: #ffffff;
  --app-surface-soft: #f8fafb;
  --app-border: #dde4ea;
  --app-border-strong: #c8d2dc;
  --app-text: #1f2933;
  --app-muted: #667784;
  --app-primary: #2364aa;
  --app-primary-strong: #174f88;
  --app-teal: #168a7a;
  --app-amber: #b87503;
  --app-rose: #ba3b46;
  --app-indigo: #5867c3;
  --app-shadow: 0 12px 28px rgba(31, 41, 51, 0.08);
}

* {
  letter-spacing: 0;
}

body {
  min-height: 100vh;
  background: var(--app-bg);
  color: var(--app-text);
  font-size: 0.95rem;
}

a {
  color: var(--app-primary);
}

.app-navbar {
  position: sticky;
  top: 0;
  z-index: 1020;
  background: rgba(255, 255, 255, 0.96);
  border-bottom: 1px solid var(--app-border);
  box-shadow: 0 1px 0 rgba(31, 41, 51, 0.02);
  backdrop-filter: blur(10px);
}

.app-brand {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  min-width: 220px;
  margin-right: 1.25rem;
}

.app-brand-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: 8px;
  background: #e7f5f2;
  color: var(--app-teal);
  font-weight: 800;
  font-size: 0.9rem;
  border: 1px solid #bfe2dc;
}

.app-brand-title,
.app-brand-subtitle {
  display: block;
  line-height: 1.1;
}

.app-brand-title {
  font-weight: 800;
  color: var(--app-text);
}

.app-brand-subtitle {
  margin-top: 0.15rem;
  color: var(--app-muted);
  font-size: 0.74rem;
  font-weight: 600;
  text-transform: uppercase;
}

.app-nav-links {
  gap: 0.15rem;
}

.app-nav-links .nav-link,
.app-user-nav .nav-link,
.logout-button {
  display: inline-flex;
  align-items: center;
  gap: 0.42rem;
  min-height: 38px;
  border-radius: 8px;
  color: #465661;
  font-weight: 650;
  padding: 0.45rem 0.7rem;
}

.app-nav-links .nav-link svg,
.app-user-nav .nav-link svg,
.btn svg {
  width: 17px;
  height: 17px;
  flex: 0 0 auto;
}

.app-nav-links .nav-link:hover,
.app-user-nav .nav-link:hover,
.logout-button:hover {
  background: var(--app-surface-soft);
  color: var(--app-primary);
}

.app-nav-links .nav-link.active {
  background: #eaf2fb;
  color: var(--app-primary-strong);
}

.app-user-pill {
  background: var(--app-surface-soft);
  border: 1px solid var(--app-border);
}

.logout-form {
  margin: 0;
}

.logout-button {
  width: 100%;
  border: 0;
  background: transparent;
  text-align: left;
}

.app-main {
  max-width: 1480px;
  padding-top: 1.35rem;
  padding-bottom: 3rem;
}

.app-alert-stack {
  margin-bottom: 1rem;
}

.app-page-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1.15rem;
}

.app-page-kicker {
  color: var(--app-muted);
  font-size: 0.76rem;
  font-weight: 800;
  text-transform: uppercase;
  margin-bottom: 0.25rem;
}

.app-page-header h1 {
  margin: 0;
  font-size: clamp(1.45rem, 2vw, 2rem);
  font-weight: 800;
}

.app-page-subtitle {
  max-width: 760px;
  margin: 0.35rem 0 0;
  color: var(--app-muted);
}

.app-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 0.55rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.42rem;
  min-height: 38px;
  border-radius: 8px;
  font-weight: 700;
}

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

.btn-primary:hover {
  background: var(--app-primary-strong);
  border-color: var(--app-primary-strong);
}

.btn-outline-primary {
  color: var(--app-primary);
  border-color: #a9c7e8;
}

.btn-outline-primary:hover {
  background: var(--app-primary);
  border-color: var(--app-primary);
}

.btn-outline-secondary {
  color: #4d5e6a;
  border-color: var(--app-border-strong);
}

.section-panel,
.metric-card,
.form-panel,
.auth-card {
  background: var(--app-surface);
  border: 1px solid var(--app-border);
  border-radius: 8px;
  box-shadow: var(--app-shadow);
}

.section-panel {
  margin-bottom: 1rem;
}

.section-panel-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem 1.1rem;
  border-bottom: 1px solid var(--app-border);
}

.section-panel-title {
  margin: 0;
  font-size: 1rem;
  font-weight: 800;
}

.section-panel-subtitle {
  margin: 0.2rem 0 0;
  color: var(--app-muted);
  font-size: 0.88rem;
}

.section-panel-body {
  padding: 1.1rem;
}

.metric-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1rem;
  margin-bottom: 1rem;
}

.metric-card {
  position: relative;
  overflow: hidden;
  min-height: 154px;
  padding: 1rem;
}

.metric-card::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 4px;
  background: var(--metric-accent, var(--app-primary));
}

.metric-label {
  color: var(--app-muted);
  font-size: 0.78rem;
  font-weight: 800;
  text-transform: uppercase;
}

.metric-value {
  margin: 0.45rem 0 0.4rem;
  color: var(--app-text);
  font-size: 2rem;
  line-height: 1;
  font-weight: 850;
}

.metric-note {
  color: var(--app-muted);
  margin: 0;
  min-height: 42px;
}

.metric-link {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  margin-top: 0.85rem;
  font-weight: 800;
  text-decoration: none;
}

.metric-card.primary { --metric-accent: var(--app-primary); }
.metric-card.teal { --metric-accent: var(--app-teal); }
.metric-card.amber { --metric-accent: var(--app-amber); }
.metric-card.indigo { --metric-accent: var(--app-indigo); }

.quick-action-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.7rem;
}

.quick-action {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  min-height: 62px;
  padding: 0.8rem;
  color: var(--app-text);
  text-decoration: none;
  border: 1px solid var(--app-border);
  border-radius: 8px;
  background: var(--app-surface-soft);
}

.quick-action:hover {
  color: var(--app-primary-strong);
  border-color: #a9c7e8;
  background: #f1f7fd;
}

.quick-action-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border-radius: 8px;
  background: #eaf2fb;
  color: var(--app-primary);
}

.quick-action-title {
  display: block;
  font-weight: 800;
}

.quick-action-caption {
  display: block;
  color: var(--app-muted);
  font-size: 0.84rem;
}

.table {
  --bs-table-bg: transparent;
  margin-bottom: 0;
}

.table thead th {
  color: #52626e;
  background: var(--app-surface-soft);
  border-bottom: 1px solid var(--app-border);
  font-size: 0.76rem;
  font-weight: 850;
  text-transform: uppercase;
  white-space: nowrap;
}

.table tbody td,
.table tfoot th {
  border-color: #e8edf2;
  vertical-align: middle;
}

.table tbody tr:hover {
  background: #fbfcfd;
}

.table-action-group {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.status-badge {
  display: inline-flex;
  align-items: center;
  min-height: 26px;
  border-radius: 999px;
  padding: 0.2rem 0.55rem;
  font-size: 0.78rem;
  font-weight: 850;
  border: 1px solid transparent;
}

.status-open,
.status-pending {
  color: #7a4b00;
  background: #fff5df;
  border-color: #f1d49a;
}

.status-approved,
.status-accepted {
  color: #0e665a;
  background: #e6f5f2;
  border-color: #bfe2dc;
}

.status-rejected,
.status-canceled {
  color: #983341;
  background: #fdecef;
  border-color: #f3c0c7;
}

.detail-strip {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 0.7rem;
  margin: 1rem 0;
}

.detail-item {
  min-height: 74px;
  padding: 0.8rem;
  background: var(--app-surface);
  border: 1px solid var(--app-border);
  border-radius: 8px;
}

.detail-label {
  color: var(--app-muted);
  display: block;
  font-size: 0.74rem;
  font-weight: 850;
  text-transform: uppercase;
}

.detail-value {
  display: block;
  margin-top: 0.25rem;
  font-weight: 800;
}

.form-panel {
  padding: 1.15rem;
}

.form-label,
label {
  color: #40515c;
  font-weight: 800;
  margin-bottom: 0.35rem;
}

.form-control,
.form-select {
  border-color: var(--app-border-strong);
  border-radius: 8px;
  min-height: 40px;
}

.form-control:focus,
.form-select:focus {
  border-color: #8ebbe8;
  box-shadow: 0 0 0 0.2rem rgba(35, 100, 170, 0.14);
}

.empty-state {
  padding: 2rem 1rem;
  color: var(--app-muted);
  text-align: center;
}

.auth-wrap {
  min-height: calc(100vh - 160px);
  display: flex;
  align-items: center;
  justify-content: center;
}

.auth-card {
  width: min(100%, 460px);
  padding: 1.4rem;
}

.auth-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 46px;
  height: 46px;
  border-radius: 8px;
  background: #e7f5f2;
  color: var(--app-teal);
  border: 1px solid #bfe2dc;
  font-weight: 850;
  margin-bottom: 1rem;
}

.chart-wrap {
  position: relative;
  min-height: 280px;
}

.upload-format-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.75rem;
}

.format-card {
  border: 1px solid var(--app-border);
  border-radius: 8px;
  background: var(--app-surface-soft);
  padding: 0.9rem;
}

.format-card h3 {
  font-size: 0.95rem;
  font-weight: 850;
  margin-bottom: 0.55rem;
}

@media (max-width: 1100px) {
  .metric-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .detail-strip {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 767.98px) {
  .app-page-header,
  .section-panel-header {
    flex-direction: column;
  }

  .app-actions {
    width: 100%;
    justify-content: flex-start;
  }

  .metric-grid,
  .quick-action-list,
  .upload-format-grid,
  .detail-strip {
    grid-template-columns: 1fr;
  }

  .app-brand {
    min-width: 0;
  }

  .app-main {
    padding-top: 1rem;
  }
}