:root {
  --app-bg: #eef3f7;
  --app-surface: #ffffff;
  --app-surface-alt: #f6f9fb;
  --app-border: #d7e1e8;
  --app-text: #0f172a;
  --app-muted: #53657a;
  --app-accent: #0f766e;
  --app-accent-2: #2563eb;
  --app-success: #15803d;
  --app-warning: #b45309;
  --app-danger: #b91c1c;
  --app-shadow: 0 14px 40px rgba(15, 23, 42, 0.08);
  --app-radius: 8px;
  --app-sidebar: #08111d;
  --app-sidebar-soft: rgba(255, 255, 255, 0.05);
  --app-sidebar-border: rgba(255, 255, 255, 0.08);
}

* {
  box-sizing: border-box;
}

html, body {
  min-height: 100%;
}

body {
  margin: 0;
  font-family: Inter, "Segoe UI", system-ui, -apple-system, BlinkMacSystemFont, "Helvetica Neue", Arial, sans-serif;
  background: var(--app-bg);
  color: var(--app-text);
  letter-spacing: 0;
}

a {
  text-decoration: none;
}

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

.app-frame {
  min-height: 100vh;
}

.app-sidebar {
  width: 280px;
  background: linear-gradient(180deg, #08111d 0%, #0b1626 100%);
  color: #dbe7f3;
  border-right: 1px solid var(--app-sidebar-border);
  transition: width 0.2s ease, flex-basis 0.2s ease;
  --bs-offcanvas-bg: #08111d;
  --bs-offcanvas-color: #dbe7f3;
  --bs-offcanvas-width: 280px;
  --bs-offcanvas-border-color: var(--app-sidebar-border);
  --bs-offcanvas-padding-x: 0;
  --bs-offcanvas-padding-y: 0;
}

@media (min-width: 992px) {
  .app-frame {
    display: flex;
  }

  .app-sidebar {
    position: sticky;
    top: 0;
    height: 100vh;
    flex: 0 0 280px;
    overflow-y: auto;
  }

  .app-main {
    min-width: 0;
    flex: 1;
  }

  html.sidebar-collapsed .app-sidebar {
    width: 76px;
    flex-basis: 76px;
  }

  html.sidebar-collapsed .app-sidebar .brand {
    padding-inline: 0.75rem;
  }

  html.sidebar-collapsed .app-sidebar .brand .d-flex {
    justify-content: center;
  }

  html.sidebar-collapsed .app-sidebar .brand-text,
  html.sidebar-collapsed .app-sidebar .nav-label,
  html.sidebar-collapsed .app-sidebar .nav-section {
    display: none;
  }

  html.sidebar-collapsed .app-sidebar .nav {
    padding-inline: 0.6rem;
  }

  html.sidebar-collapsed .app-sidebar .nav-link {
    justify-content: center;
    gap: 0;
    padding-inline: 0;
    min-height: 46px;
  }

  html.sidebar-collapsed .app-sidebar .nav-link:hover,
  html.sidebar-collapsed .app-sidebar .nav-link.active {
    transform: none;
  }
}

@media (max-width: 991.98px) {
  .app-frame {
    display: block;
  }

  .app-sidebar {
    width: min(88vw, 320px);
    max-width: 320px;
  }
}

.app-sidebar .brand {
  padding: 1rem 1.15rem;
  border-bottom: 1px solid var(--app-sidebar-border);
  background: rgba(255, 255, 255, 0.02);
}

.app-sidebar .brand small {
  color: rgba(219, 231, 243, 0.68);
}

.app-sidebar .nav {
  padding: 0.75rem 0.75rem 1rem;
}

.app-sidebar .offcanvas-body {
  padding: 0;
}

.app-sidebar .nav-link {
  color: rgba(219, 231, 243, 0.82);
  border-radius: var(--app-radius);
  padding: 0.78rem 0.92rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-weight: 500;
  border: 1px solid transparent;
  transition: background-color 0.18s ease, color 0.18s ease, border-color 0.18s ease, transform 0.18s ease;
}

.app-sidebar .nav-link svg {
  flex-shrink: 0;
  color: #9fb2c7;
}

.app-sidebar .nav-link:hover,
.app-sidebar .nav-link.active {
  background: linear-gradient(90deg, rgba(15, 118, 110, 0.3), rgba(37, 99, 235, 0.14));
  color: #fff;
  border-color: rgba(255, 255, 255, 0.08);
  transform: translateX(1px);
}

.app-sidebar .nav-link.active svg,
.app-sidebar .nav-link:hover svg {
  color: #fff;
}

.app-sidebar .nav-section {
  margin: 1rem 0 0.5rem;
  padding: 0 1rem;
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0;
  color: rgba(219, 231, 243, 0.55);
}

.app-main {
  min-width: 0;
  display: flex;
  flex-direction: column;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.34) 0%, rgba(255, 255, 255, 0.22) 100%);
}

.app-topbar {
  position: sticky;
  top: 0;
  z-index: 1030;
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(215, 225, 232, 0.9);
  box-shadow: 0 6px 24px rgba(15, 23, 42, 0.04);
}

.app-content {
  padding: 1rem;
  width: 100%;
}

.panel {
  background: var(--app-surface);
  border: 1px solid var(--app-border);
  border-radius: var(--app-radius);
  box-shadow: var(--app-shadow);
}

.panel-soft {
  background: var(--app-surface-alt);
  border: 1px solid var(--app-border);
  border-radius: var(--app-radius);
}

.metric-card {
  background: var(--app-surface);
  border: 1px solid var(--app-border);
  border-radius: var(--app-radius);
  box-shadow: 0 10px 28px rgba(15, 23, 42, 0.05);
  padding: 1rem;
  height: 100%;
  position: relative;
  overflow: hidden;
}

.metric-card::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 3px;
  background: linear-gradient(180deg, var(--app-accent), var(--app-accent-2));
}

.metric-label {
  font-size: 0.78rem;
  color: var(--app-muted);
  text-transform: uppercase;
  letter-spacing: 0;
}

.metric-value {
  font-size: 1.42rem;
  font-weight: 700;
  line-height: 1.1;
}

.metric-delta {
  font-size: 0.84rem;
  color: var(--app-muted);
}

.btn {
  border-radius: var(--app-radius);
  letter-spacing: 0;
}

.btn-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
}

.btn-accent {
  background: var(--app-accent);
  border-color: var(--app-accent);
  color: #fff;
}

.btn-accent:hover {
  background: #0c615a;
  border-color: #0c615a;
  color: #fff;
}

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

.badge-soft {
  background: rgba(15, 118, 110, 0.12);
  color: var(--app-accent);
  border: 1px solid rgba(15, 118, 110, 0.18);
}

.table {
  margin-bottom: 0;
  color: var(--app-text);
}

.table thead th {
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0;
  color: var(--app-muted);
  border-bottom-width: 1px;
}

.table td, .table th {
  vertical-align: middle;
}

.form-control,
.form-select {
  border-radius: var(--app-radius);
  border-color: #cbd5e1;
  min-height: 42px;
}

.form-control:focus,
.form-select:focus {
  border-color: var(--app-accent);
  box-shadow: 0 0 0 0.2rem rgba(15, 118, 110, 0.12);
}

.input-group-text {
  border-color: #cbd5e1;
}

.search-dropdown {
  position: absolute;
  top: calc(100% + 0.5rem);
  left: 0;
  right: 0;
  background: #fff;
  border: 1px solid var(--app-border);
  border-radius: var(--app-radius);
  box-shadow: var(--app-shadow);
  max-height: 420px;
  overflow: auto;
  z-index: 1040;
}

.search-item {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.75rem 1rem;
  color: var(--app-text);
  border-bottom: 1px solid #eef2f7;
}

.search-item:hover {
  background: var(--app-surface-alt);
}

.search-item:last-child {
  border-bottom: 0;
}

.page-title {
  font-size: 1.2rem;
  font-weight: 700;
  margin: 0;
}

.page-subtitle {
  color: var(--app-muted);
  margin: 0.25rem 0 0;
}

.avatar-chip {
  width: 36px;
  height: 36px;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: rgba(15, 118, 110, 0.12);
  color: var(--app-accent);
  font-weight: 700;
}

.auth-shell {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 1rem;
  background: linear-gradient(180deg, #f4f7f9 0%, #eef4f6 100%);
}

.auth-card {
  width: min(100%, 1040px);
  background: #fff;
  border: 1px solid var(--app-border);
  border-radius: 14px;
  box-shadow: var(--app-shadow);
  overflow: hidden;
}

.auth-brand {
  background: #0f1720;
  color: #fff;
  padding: 2rem;
}

.auth-brand h1 {
  font-size: 2rem;
  margin-bottom: 0.75rem;
}

.auth-brand p,
.auth-brand li {
  color: rgba(226, 232, 240, 0.82);
}

.auth-form {
  padding: 2rem;
}

.chart-wrap {
  min-height: 320px;
}

.pill-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.pill {
  border-radius: 999px;
  padding: 0.35rem 0.7rem;
  font-size: 0.8rem;
  border: 1px solid var(--app-border);
  background: #fff;
  color: var(--app-text);
}

@media (max-width: 991.98px) {
  .app-content {
    padding: 0.85rem;
  }

  .auth-brand,
  .auth-form {
    padding: 1.25rem;
  }

  .chart-wrap {
    min-height: 260px;
  }

  .page-title {
    font-size: 1.08rem;
  }
}