/* Modern Executive Design System for Unified MCA & GST Hub */
:root {
  --primary: #2563eb;
  --primary-hover: #1d4ed8;
  --primary-light: #eff6ff;
  --secondary: #64748b;
  --dark-sidebar: #0f172a;
  --sidebar-hover: #1e293b;
  --sidebar-active: #334155;
  --body-bg: #f8fafc;
  --card-bg: #ffffff;
  --border-color: #e2e8f0;
  --text-main: #0f172a;
  --text-muted: #64748b;
  --success: #10b981;
  --success-light: #ecfdf5;
  --danger: #ef4444;
  --danger-light: #fef2f2;
  --warning: #f59e0b;
  --warning-light: #fffbeb;
  --info: #0ea5e9;
  --info-light: #f0f9ff;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background-color: var(--body-bg);
  color: var(--text-main);
  min-height: 100vh;
}

/* Layout */
.app-container {
  display: flex;
  min-height: 100vh;
}

.sidebar {
  width: 270px;
  background-color: var(--dark-sidebar);
  color: #f1f5f9;
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  transition: all 0.25s ease;
  z-index: 1000;
}

.sidebar-brand {
  padding: 1.25rem 1.5rem;
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: #ffffff;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
}

.sidebar-nav {
  padding: 1rem 0.75rem;
  flex: 1;
  overflow-y: auto;
}

.nav-section-title {
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: #64748b;
  padding: 0.75rem 0.75rem 0.25rem 0.75rem;
}

.nav-item-link {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.65rem 0.85rem;
  border-radius: 0.5rem;
  color: #cbd5e1;
  font-size: 0.875rem;
  font-weight: 500;
  text-decoration: none;
  transition: all 0.15s ease-in-out;
  margin-bottom: 0.15rem;
}

.nav-item-link:hover {
  background-color: var(--sidebar-hover);
  color: #ffffff;
}

.nav-item-link.active {
  background-color: var(--primary);
  color: #ffffff;
  font-weight: 600;
}

.nav-item-link i {
  font-size: 1.1rem;
}

.nav-badge {
  margin-left: auto;
  font-size: 0.7rem;
  font-weight: 700;
  padding: 0.15rem 0.5rem;
  border-radius: 9999px;
}

.sidebar-backdrop {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background-color: rgba(0, 0, 0, 0.5);
  z-index: 999;
  opacity: 0;
  transition: opacity 0.25s ease;
}
.sidebar-backdrop.show {
  display: block;
  opacity: 1;
}

@media (max-width: 991.98px) {
  .sidebar {
    position: fixed;
    top: 0;
    left: -270px;
    height: 100vh;
    box-shadow: 4px 0 10px rgba(0, 0, 0, 0.1);
  }
  .sidebar.show {
    left: 0;
  }
  .topbar {
    padding: 0.75rem 1rem;
  }
  .content-body {
    padding: 1rem;
  }
}

.main-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-width: 0; /* Prevents flex children from causing horizontal scroll */
  overflow-x: hidden;
}

.topbar {
  background-color: #ffffff;
  border-bottom: 1px solid var(--border-color);
  padding: 0.75rem 2rem;
  display: flex;
  align-items: center;
  position: sticky;
  top: 0;
  z-index: 100;
}

.content-body {
  padding: 2rem;
  flex: 1;
  max-width: 100%;
}

/* Responsive Table overrides */
.table-responsive {
  width: 100%;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

/* Cards & Surfaces */
.card-custom {
  background: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: 0.75rem;
  box-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.04), 0 1px 2px -1px rgba(0, 0, 0, 0.03);
  transition: box-shadow 0.2s ease, border-color 0.2s ease;
}

.card-custom:hover {
  border-color: #cbd5e1;
}

.card-header-custom {
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid var(--border-color);
  background-color: #ffffff;
  border-top-left-radius: 0.75rem;
  border-top-right-radius: 0.75rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* KPI Stat Cards */
.kpi-card {
  padding: 1.25rem 1.5rem;
  border-radius: 0.75rem;
  background: #ffffff;
  border: 1px solid var(--border-color);
  position: relative;
  overflow: hidden;
}

.kpi-title {
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
}

.kpi-value {
  font-size: 1.75rem;
  font-weight: 750;
  color: var(--text-main);
  line-height: 1.2;
  margin-top: 0.35rem;
}

.kpi-icon-box {
  position: absolute;
  top: 1.25rem;
  right: 1.25rem;
  width: 44px;
  height: 44px;
  border-radius: 0.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
}

/* Badges */
.badge-valid {
  background-color: var(--success-light);
  color: #065f46;
  border: 1px solid #a7f3d0;
  font-weight: 600;
  font-size: 0.75rem;
  padding: 0.25rem 0.55rem;
  border-radius: 0.375rem;
}

.badge-flagged {
  background-color: var(--danger-light);
  color: #991b1b;
  border: 1px solid #fecaca;
  font-weight: 600;
  font-size: 0.75rem;
  padding: 0.25rem 0.55rem;
  border-radius: 0.375rem;
}

.badge-blank {
  background-color: #f1f5f9;
  color: #475569;
  border: 1px solid #cbd5e1;
  font-weight: 600;
  font-size: 0.75rem;
  padding: 0.25rem 0.55rem;
  border-radius: 0.375rem;
}

.badge-company {
  background-color: #eff6ff;
  color: #1e40af;
  border: 1px solid #bfdbfe;
  font-weight: 700;
  font-size: 0.75rem;
  padding: 0.25rem 0.5rem;
  border-radius: 0.375rem;
}

.badge-llp {
  background-color: #f0fdf4;
  color: #166534;
  border: 1px solid #bbf7d0;
  font-weight: 700;
  font-size: 0.75rem;
  padding: 0.25rem 0.5rem;
  border-radius: 0.375rem;
}

/* Tables */
.table-custom {
  width: 100%;
  margin-bottom: 0;
  color: var(--text-main);
  border-collapse: separate;
  border-spacing: 0;
}

.table-custom th {
  background-color: #f8fafc;
  font-weight: 650;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: #475569;
  padding: 0.85rem 1rem;
  border-bottom: 1px solid var(--border-color);
  border-top: none;
}

.table-custom td {
  padding: 0.85rem 1rem;
  vertical-align: middle;
  border-bottom: 1px solid #f1f5f9;
  font-size: 0.875rem;
}

.table-custom tr:hover td {
  background-color: #f8fafc;
}

/* Stepper Component */
.stepper-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 2rem;
  position: relative;
}

.stepper-nav::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 0;
  right: 0;
  height: 2px;
  background-color: var(--border-color);
  z-index: 1;
}

.stepper-step {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  background-color: #ffffff;
  padding: 0.4rem 1rem;
  border: 2px solid var(--border-color);
  border-radius: 2rem;
  position: relative;
  z-index: 2;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-muted);
}

.stepper-step.active {
  border-color: var(--primary);
  background-color: var(--primary-light);
  color: var(--primary);
}

.stepper-step.completed {
  border-color: var(--success);
  background-color: var(--success-light);
  color: #065f46;
}

.stepper-circle {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background-color: var(--border-color);
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  font-weight: 700;
}

.stepper-step.active .stepper-circle {
  background-color: var(--primary);
}

.stepper-step.completed .stepper-circle {
  background-color: var(--success);
}

/* Expandable Entity Details Styling */
.btn-row-toggle {
  background: transparent;
  border: 1px solid #cbd5e1;
  color: #475569;
  width: 24px;
  height: 24px;
  padding: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 4px;
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  cursor: pointer;
  flex-shrink: 0;
  line-height: 1;
}

.btn-row-toggle:hover {
  background: #f1f5f9;
  border-color: #94a3b8;
  color: #0f172a;
}

.btn-row-toggle:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}

.btn-row-toggle[aria-expanded="true"] {
  background: #eff6ff;
  border-color: #93c5fd;
  color: var(--primary);
}

.entity-detail-row > td {
  padding: 0 !important;
  border-bottom: 1px solid var(--border-color);
}

.entity-detail-collapse {
  transition: height 0.28s cubic-bezier(0.4, 0, 0.2, 1);
}

.entity-detail-container {
  background: #f8fafc;
  border-top: 1px solid #e2e8f0;
  border-bottom: 2px solid #cbd5e1;
  padding: 1.25rem 1.5rem;
}

.entity-field-card {
  background: #ffffff;
  border: 1px solid #e2e8f0;
  border-radius: 6px;
  padding: 0.75rem 0.9rem;
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.entity-field-card .field-label {
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: #64748b;
  margin-bottom: 0.25rem;
}

.entity-field-card .field-value {
  font-size: 0.875rem;
  font-weight: 600;
  color: #0f172a;
  word-break: break-word;
}

/* ========================================================
   MCA Sub-Navbar & Reference-Image Action Toolbar Styling
   ======================================================== */
.mca-navbar-wrapper,
.gst-navbar-wrapper {
  margin-top: -0.25rem;
}

.mca-header-tier,
.gst-header-tier {
  background-color: #0d1e3a; /* Dark navy background matching reference image */
  border-radius: 8px;
}

.mca-nav-tier {
  background-color: #f1f5f9;
  border-bottom: 1px solid #e2e8f0;
}

/* Action Toolbar Buttons Matching Reference Image */
.btn-mca-blue {
  background-color: #1d68ed !important;
  color: #ffffff !important;
  border: 1px solid #1a5cd1 !important;
  border-radius: 4px !important;
  font-weight: 600 !important;
  padding: 0.35rem 0.75rem !important;
  transition: all 0.15s ease-in-out;
}
.btn-mca-blue:hover {
  background-color: #1555c7 !important;
  color: #ffffff !important;
  box-shadow: 0 2px 4px rgba(29, 104, 237, 0.3);
}

.btn-mca-white {
  background-color: #ffffff !important;
  color: #0f172a !important;
  border: 1px solid #cbd5e1 !important;
  border-radius: 4px !important;
  font-weight: 600 !important;
  padding: 0.35rem 0.75rem !important;
  transition: all 0.15s ease-in-out;
}
.btn-mca-white:hover {
  background-color: #f8fafc !important;
  color: #1d68ed !important;
  border-color: #94a3b8 !important;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
}

.btn-mca-green {
  background-color: #0b8252 !important;
  color: #ffffff !important;
  border: 1px solid #096f46 !important;
  border-radius: 4px !important;
  font-weight: 600 !important;
  padding: 0.35rem 0.75rem !important;
  transition: all 0.15s ease-in-out;
}
.btn-mca-green:hover {
  background-color: #086b43 !important;
  color: #ffffff !important;
  box-shadow: 0 2px 4px rgba(11, 130, 82, 0.3);
}

.btn-mca-red {
  background-color: #c52222 !important;
  color: #ffffff !important;
  border: 1px solid #a81c1c !important;
  border-radius: 4px !important;
  font-weight: 600 !important;
  padding: 0.35rem 0.75rem !important;
  transition: all 0.15s ease-in-out;
}
.btn-mca-red:hover {
  background-color: #aa1a1a !important;
  color: #ffffff !important;
  box-shadow: 0 2px 4px rgba(197, 34, 34, 0.3);
}

/* Nav Link Pills */
.mca-subnav .mca-nav-item {
  color: #475569;
  border-radius: 20px;
  font-size: 0.815rem;
  transition: all 0.15s ease;
  text-decoration: none;
}
.mca-subnav .mca-nav-item:hover {
  background-color: #e2e8f0;
  color: #0f172a;
}
.mca-subnav .mca-nav-item.active {
  background-color: #1d68ed !important;
  color: #ffffff !important;
  font-weight: 600;
  box-shadow: 0 2px 6px rgba(29, 104, 237, 0.25);
}

.shadow-xs {
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.06);
}