:root {
  --bg-1: #0c2f7d;
  --bg-2: #4f89cc;
  --bg-3: #b7d9f3;
  --surface: #f4f6fb;
  --surface-strong: #ffffff;
  --border: #d3d8e4;
  --ink: #1d1d22;
  --muted: #5f6778;
  --brand: #321298;
  --brand-2: #1e53d8;
}

body {
  font-family: "Poppins", "Segoe UI", sans-serif;
  color: var(--ink);
  background:
    radial-gradient(65rem 30rem at 70% 35%, rgba(206, 234, 255, 0.55), transparent 60%),
    linear-gradient(135deg, var(--bg-1) 0%, var(--bg-2) 55%, var(--bg-3) 100%);
  min-height: 100vh;
}

.app-navbar {
  position: sticky;
  top: 0;
  z-index: 1020;
  background: linear-gradient(90deg, #0c1f4b 0%, #112d6a 52%, #1e4c9e 100%);
  border-bottom: 1px solid rgba(255, 255, 255, 0.16);
  box-shadow: 0 10px 24px rgba(7, 17, 44, 0.25);
}

.app-navbar .navbar-brand {
  color: #fff;
  letter-spacing: 0.3px;
}

.top-menu {
  display: flex;
  gap: 0.55rem;
  flex-wrap: wrap;
}

.top-menu .nav-chip {
  display: inline-flex;
  align-items: center;
  border-radius: 14px;
  padding: 0.45rem 0.9rem;
  background: rgba(255, 255, 255, 0.16);
  color: rgba(255, 255, 255, 0.95);
  border: 1px solid rgba(255, 255, 255, 0.16);
  font-weight: 600;
  line-height: 1;
}

.top-menu .nav-chip:hover,
.top-menu .nav-chip:focus {
  background: rgba(255, 255, 255, 0.26);
  color: #fff;
}

.top-menu .nav-chip.active {
  background: #111111;
  border-color: #111111;
  color: #fff;
}

.page-shell {
  background: rgba(236, 241, 250, 0.74);
  border: 1px solid rgba(255, 255, 255, 0.52);
  border-radius: 20px;
  box-shadow: 0 22px 56px rgba(15, 25, 52, 0.18);
  backdrop-filter: blur(3px);
  padding: 1.1rem;
}

.page-title {
  font-size: 2.15rem;
  font-weight: 700;
  margin-bottom: 1.1rem;
}

.panel {
  border: 1px solid var(--border);
  border-radius: 16px;
  background: var(--surface-strong);
  box-shadow: 0 10px 26px rgba(30, 48, 87, 0.1);
}

.panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.8rem;
  padding: 1rem 1.25rem;
  border-bottom: 1px solid #e5e9f2;
}

.panel-body {
  padding: 1rem 1.25rem 1.25rem;
}

.panel-title {
  font-size: 1.35rem;
  font-weight: 700;
  margin: 0;
}

.grid-table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  font-size: 0.95rem;
}

.grid-table thead th {
  background: #e8edf6;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  color: #1e2b45;
  padding: 0.72rem 0.58rem;
}

.grid-table tbody td {
  border-bottom: 1px solid #e7ecf3;
  padding: 0.58rem;
  vertical-align: top;
  background: #fff;
}

.grid-table input:disabled,
.grid-table select:disabled,
.grid-table textarea:disabled {
  background: var(--surface);
  border-color: #dfe4ef;
  color: #4f5c70;
  opacity: 1;
}

.grid-table .is-editing {
  border-color: #8fb0fb;
  box-shadow: 0 0 0 0.16rem rgba(46, 104, 223, 0.14);
}

.action-stack {
  display: flex;
  gap: 0.35rem;
  flex-wrap: wrap;
}

.btn-primary {
  background: linear-gradient(120deg, var(--brand) 0%, var(--brand-2) 100%);
  border: none;
}

.btn-primary:hover,
.btn-primary:focus {
  filter: brightness(1.07);
}

.modal-backdrop.show {
  opacity: 0.2;
}

.modal-content {
  border-radius: 18px;
  border: 1px solid #d8deea;
  box-shadow: 0 22px 44px rgba(24, 31, 56, 0.22);
  overflow-x: hidden;
}

.modal-body,
.modal .panel-body {
  overflow-x: hidden;
}

.modal .panel {
  border: none;
  box-shadow: none;
}

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

@media (max-width: 992px) {
  .page-title {
    font-size: 1.7rem;
  }

  .page-shell {
    border-radius: 14px;
    padding: 0.75rem;
  }

  .top-menu .nav-chip {
    padding: 0.4rem 0.75rem;
  }
}