/* UpLedger Swiss Functional Design System (DESIGN.md) */
@import url('https://fonts.googleapis.com/css2?family=Hanken+Grotesk:wght@600;700;800&family=IBM+Plex+Sans:ital,wght@0,400;0,500;0,600;0,700;1,400&family=JetBrains+Mono:wght@400;500;600;700&display=swap');

:root {
  --upledger-primary: #01579B;
  --upledger-primary-dark: #014377;
  --upledger-primary-deep: #01345D;
  --upledger-secondary: #0288D1;
  --upledger-secondary-light: #51b2fe;
  --upledger-success: #2E7D32;
  --upledger-success-bg: #E8F5E9;
  --upledger-success-border: #A5D6A7;
  --upledger-warning: #F57F17;
  --upledger-warning-bg: #FFF8E1;
  --upledger-warning-border: #FFE082;
  --upledger-danger: #C62828;
  --upledger-danger-bg: #FFEBEE;
  --upledger-danger-border: #FFCDD2;
  --upledger-canvas: #F4F6F9;
  --upledger-surface: #FFFFFF;
  --upledger-border: #E2E8F0;
  --upledger-border-strong: #CBD5E1;
  --upledger-text: #191C1E;
  --upledger-text-muted: #475569;
  --upledger-font-headline: 'Hanken Grotesk', -apple-system, BlinkMacSystemFont, sans-serif;
  --upledger-font-body: 'IBM Plex Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  --upledger-font-mono: 'JetBrains Mono', monospace;
}

/* Zero Radius Mandate */
*, *::before, *::after,
.btn, .form-control, .form-select, .card, .modal-content, .dropdown-menu,
.badge, .alert, .table, .pagination .page-link, .nav-tabs .nav-link,
.input-group-text, .list-group-item {
  border-radius: 0px !important;
}

html, body {
  background-color: var(--upledger-canvas);
  color: var(--upledger-text);
  font-family: var(--upledger-font-body);
  font-size: 14px;
  line-height: 1.5;
  margin: 0;
  padding: 0;
  width: 100%;
  max-width: 100vw;
  box-sizing: border-box;
}

h1, h2, h3, h4, h5, h6, .navbar-brand {
  font-family: var(--upledger-font-headline);
  font-weight: 700;
  letter-spacing: -0.01em;
  color: #0F172A;
}

/* Monospace & Tabular Data Alignment */
.data-tabular, .amount, .currency-tag, .ref-code, .timestamp, td.text-end {
  font-family: var(--upledger-font-mono) !important;
  font-variant-numeric: tabular-nums lining-nums;
}

/* Layout Wrappers */
#app-layout {
  display: flex;
  min-height: 100vh;
  width: 100%;
  max-width: 100vw;
  box-sizing: border-box;
}

#sidebar {
  width: 250px;
  background-color: #0F172A;
  color: #FFFFFF;
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  border-right: 1px solid #1E293B;
  transition: width 0.2s ease;
}

#sidebar .brand-container {
  padding: 18px 20px;
  background-color: #080D1A;
  border-bottom: 1px solid #1E293B;
  display: flex;
  align-items: center;
  gap: 12px;
}

#sidebar .brand-container img {
  height: 38px;
  width: auto;
}

#sidebar .nav-link {
  color: #94A3B8;
  font-size: 13px;
  font-weight: 500;
  padding: 10px 20px;
  display: flex;
  align-items: center;
  gap: 12px;
  border-left: 3px solid transparent;
  text-decoration: none;
  transition: all 0.15s ease;
}

#sidebar .nav-link:hover {
  color: #FFFFFF;
  background-color: #1E293B;
  border-left-color: var(--upledger-secondary);
}

#sidebar .nav-link.active {
  color: #FFFFFF;
  background-color: #1E293B;
  border-left-color: var(--upledger-secondary);
  font-weight: 600;
}

#sidebar .sidebar-heading {
  font-size: 10px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #64748B;
  padding: 16px 20px 6px;
  font-weight: 700;
}

#main-content {
  flex-grow: 1;
  display: flex;
  flex-direction: column;
  min-width: 0;
  background-color: var(--upledger-canvas);
}

.top-navbar {
  height: 60px;
  background-color: var(--upledger-surface);
  border-bottom: 1px solid var(--upledger-border);
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.content-body {
  padding: 24px;
  flex-grow: 1;
}

/* Swiss Functional Cards */
.upledger-card {
  background-color: var(--upledger-surface);
  border: 1px solid var(--upledger-border);
  box-shadow: none;
  margin-bottom: 20px;
}

.upledger-card-header {
  padding: 14px 20px;
  border-bottom: 1px solid var(--upledger-border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  background-color: #FFFFFF;
}

.upledger-card-header h5 {
  margin: 0;
  font-size: 15px;
  font-weight: 700;
  color: #0F172A;
}

.upledger-card-body {
  padding: 20px;
}

/* Buttons */
.btn-primary {
  background-color: var(--upledger-primary) !important;
  border-color: var(--upledger-primary) !important;
  color: #FFFFFF !important;
  font-weight: 600;
  font-size: 13px;
  padding: 8px 16px;
}

.btn-primary:hover, .btn-primary:focus {
  background-color: var(--upledger-primary-dark) !important;
  border-color: var(--upledger-primary-dark) !important;
}

.btn-secondary {
  background-color: #FFFFFF !important;
  border-color: var(--upledger-border-strong) !important;
  color: var(--upledger-text-muted) !important;
  font-weight: 600;
  font-size: 13px;
}

.btn-secondary:hover {
  background-color: #F8FAFC !important;
  color: #0F172A !important;
}

.btn-outline-primary {
  color: var(--upledger-primary) !important;
  border-color: var(--upledger-primary) !important;
  font-weight: 600;
}

.btn-outline-primary:hover {
  background-color: var(--upledger-primary) !important;
  color: #FFFFFF !important;
}

.btn-danger {
  background-color: var(--upledger-danger) !important;
  border-color: var(--upledger-danger) !important;
}

/* Inputs & Form Controls */
.form-control, .form-select {
  border: 1px solid var(--upledger-border-strong);
  font-size: 13px;
  padding: 8px 12px;
  color: var(--upledger-text);
  background-color: #FFFFFF;
}

.form-control:focus, .form-select:focus {
  border-color: var(--upledger-secondary);
  box-shadow: 0 0 0 1px var(--upledger-secondary);
  outline: none;
}

.form-label {
  font-size: 12px;
  font-weight: 600;
  color: #334155;
  margin-bottom: 4px;
}

/* Institutional Badges */
.badge-status {
  font-family: var(--upledger-font-mono);
  font-size: 11px;
  font-weight: 600;
  padding: 3px 8px;
  display: inline-flex;
  align-items: center;
  border: 1px solid transparent;
}

.badge-approved, .badge-paid, .badge-active {
  background-color: var(--upledger-success-bg);
  color: var(--upledger-success);
  border-color: var(--upledger-success-border);
}

.badge-pending, .badge-draft, .badge-submitted {
  background-color: var(--upledger-warning-bg);
  color: var(--upledger-warning);
  border-color: var(--upledger-warning-border);
}

.badge-rejected, .badge-voided, .badge-cancelled {
  background-color: var(--upledger-danger-bg);
  color: var(--upledger-danger);
  border-color: var(--upledger-danger-border);
}

/* Metric KPI Blocks */
.kpi-block {
  padding: 16px 20px;
  background-color: #FFFFFF;
  border: 1px solid var(--upledger-border);
}

.kpi-title {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 700;
  color: #64748B;
  margin-bottom: 6px;
}

.kpi-value {
  font-family: var(--upledger-font-mono);
  font-size: 22px;
  font-weight: 700;
  color: #0F172A;
  font-variant-numeric: tabular-nums lining-nums;
}

.kpi-subtext {
  font-size: 11px;
  color: #94A3B8;
  margin-top: 4px;
}

/* DataTables Overrides */
table.dataTable {
  border-collapse: collapse !important;
  width: 100% !important;
}

table.dataTable thead th {
  background-color: #F8FAFC !important;
  color: #475569 !important;
  font-size: 11px !important;
  font-weight: 700 !important;
  text-transform: uppercase !important;
  letter-spacing: 0.05em !important;
  border-bottom: 2px solid var(--upledger-border-strong) !important;
  padding: 10px 14px !important;
}

table.dataTable tbody td {
  padding: 10px 14px !important;
  border-bottom: 1px solid var(--upledger-border) !important;
  font-size: 13px !important;
  vertical-align: middle !important;
}

table.dataTable tbody tr:hover {
  background-color: #F1F5F9 !important;
}

table.dataTable tbody tr.selected {
  background-color: #E1F0FA !important;
  border-left: 3px solid var(--upledger-secondary) !important;
}

/* Modals */
.modal-content {
  border: 1px solid var(--upledger-border-strong);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
}

.modal-header {
  border-bottom: 1px solid var(--upledger-border);
  background-color: #F8FAFC;
  padding: 14px 20px;
}

.modal-header .modal-title {
  font-size: 16px;
  font-weight: 700;
}

.modal-footer {
  border-top: 1px solid var(--upledger-border);
  background-color: #F8FAFC;
  padding: 12px 20px;
}

/* Responsive adjustments */
@media (max-width: 992px) {
  #sidebar {
    width: 60px;
  }
  #sidebar .nav-text, #sidebar .sidebar-heading, #sidebar .brand-text {
    display: none;
  }
  #sidebar .brand-container {
    padding: 14px;
    justify-content: center;
  }
  #sidebar .nav-link {
    justify-content: center;
    padding: 12px;
  }
}