:root {
  --modern-font-body: 'Manrope', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --modern-font-heading: 'Space Grotesk', 'Manrope', sans-serif;
  --modern-bg: #eef4ff;
  --modern-surface: rgba(255, 255, 255, 0.9);
  --modern-surface-strong: rgba(255, 255, 255, 0.96);
  --modern-border: rgba(148, 163, 184, 0.22);
  --modern-text: #0f172a;
  --modern-muted: #475569;
  --modern-primary: #1d4ed8;
  --modern-teal: #0f766e;
  --modern-success: #059669;
  --modern-warning: #d97706;
  --modern-danger: #dc2626;
  --modern-shadow-sm: 0 10px 24px rgba(15, 23, 42, 0.08);
  --modern-shadow-md: 0 20px 48px rgba(15, 23, 42, 0.12);
  --modern-shadow-lg: 0 30px 80px rgba(15, 23, 42, 0.18);
  --modern-radius: 20px;
  --modern-radius-lg: 28px;
  --modern-gradient: linear-gradient(135deg, #08111d 0%, #14376e 52%, #0f766e 100%);
}

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

body {
  font-family: var(--modern-font-body);
  color: var(--modern-text);
  background:
    radial-gradient(circle at top left, rgba(56, 189, 248, 0.16), transparent 28%),
    radial-gradient(circle at top right, rgba(29, 78, 216, 0.16), transparent 30%),
    linear-gradient(180deg, #eef4ff 0%, #f8fbff 46%, #eef4ff 100%);
}

h1,
h2,
h3,
h4,
h5,
h6,
.display-1,
.display-2,
.display-3,
.display-4,
.display-5,
.display-6,
.navbar-brand {
  font-family: var(--modern-font-heading);
  letter-spacing: -0.03em;
}

.text-muted,
.text-white-50,
.lead {
  color: var(--modern-muted) !important;
}

.navbar {
  background: linear-gradient(135deg, rgba(8, 17, 29, 0.92) 0%, rgba(20, 55, 110, 0.94) 54%, rgba(15, 118, 110, 0.9) 100%) !important;
  box-shadow: 0 20px 45px rgba(15, 23, 42, 0.16);
  backdrop-filter: blur(18px);
  padding-top: 0.9rem;
  padding-bottom: 0.9rem;
}

.navbar .container-fluid,
.container-fluid {
  position: relative;
}

.navbar-brand {
  display: inline-flex;
  align-items: center;
  gap: 0.85rem;
  font-size: 1.12rem;
  line-height: 1.1;
}

.navbar-brand img {
  width: 46px;
  height: 46px;
  border-radius: 14px;
  padding: 0.35rem;
  background: rgba(255, 255, 255, 0.14);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.12);
}

.navbar-brand::after {
  content: 'MRI monitoring cockpit';
  display: block;
  position: absolute;
  left: 69px;
  top: 36px;
  font-family: var(--modern-font-body);
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: rgba(255, 255, 255, 0.72);
}

.navbar .btn-outline-light,
.navbar .dropdown-toggle {
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.24);
  background: rgba(255, 255, 255, 0.08);
  min-height: 44px;
}

.dropdown-menu {
  border-radius: 18px;
  border: 1px solid var(--modern-border);
  box-shadow: var(--modern-shadow-md);
  backdrop-filter: blur(18px);
  background: rgba(255, 255, 255, 0.94);
  overflow: hidden;
}

.dropdown-item,
.dropdown-item-text {
  padding-top: 0.8rem;
  padding-bottom: 0.8rem;
}

.custom-sidebar {
  background: linear-gradient(180deg, rgba(9, 18, 33, 0.97) 0%, rgba(15, 23, 42, 0.98) 100%) !important;
  border-right: 1px solid rgba(148, 163, 184, 0.14) !important;
  border-radius: 0 26px 26px 0;
  box-shadow: 26px 0 60px rgba(2, 8, 23, 0.18) !important;
  padding: 1rem 0.75rem !important;
  backdrop-filter: blur(18px);
}

.custom-sidebar .nav-link {
  color: #dbeafe !important;
  margin: 0.18rem 0 !important;
  padding: 0.9rem 1rem !important;
  border-radius: 16px !important;
  font-weight: 700;
}

.custom-sidebar .nav-link:hover {
  background: rgba(255, 255, 255, 0.08) !important;
  transform: translateX(4px) !important;
  border-left-color: #38bdf8 !important;
}

.custom-sidebar .nav-link.active {
  background: linear-gradient(135deg, rgba(29, 78, 216, 0.95) 0%, rgba(20, 184, 166, 0.88) 100%) !important;
  box-shadow: 0 18px 40px rgba(29, 78, 216, 0.28) !important;
  border-left-color: #7dd3fc !important;
}

.custom-sidebar .text-muted {
  color: #93c5fd !important;
  letter-spacing: 0.12em !important;
}

.main-content {
  padding-top: 1.1rem;
  padding-bottom: 2rem;
}

.hero-section {
  background: var(--modern-gradient) !important;
  border-radius: var(--modern-radius-lg);
  box-shadow: var(--modern-shadow-lg);
  padding: 4.5rem 0 !important;
  overflow: hidden;
  position: relative;
}

.hero-section::before {
  background:
    linear-gradient(120deg, rgba(255, 255, 255, 0.06), transparent 48%),
    url("data:image/svg+xml,%3Csvg width='80' height='80' viewBox='0 0 80 80' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none'%3E%3Cg fill='%23ffffff' fill-opacity='0.06'%3E%3Cpath d='M0 0h1v1H0zM40 40h1v1h-1zM79 79h1v1h-1z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E") !important;
}

.hero-section .lead,
.hero-section .text-white-50 {
  color: rgba(255, 255, 255, 0.72) !important;
}

.hero-section .btn-light {
  color: #0f172a;
  background: rgba(255, 255, 255, 0.96);
  border: none;
}

.hero-section .btn-outline-light {
  background: rgba(255, 255, 255, 0.08);
}

.card,
.alert,
.list-group-item,
.modal-content,
.table,
footer.footer-sidebar {
  border-radius: var(--modern-radius);
}

.card,
.alert,
.modal-content,
.list-group-item,
.table-responsive,
.table {
  border: 1px solid var(--modern-border);
  box-shadow: var(--modern-shadow-sm);
  background: var(--modern-surface);
  backdrop-filter: blur(18px);
}

.card {
  overflow: hidden;
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--modern-shadow-md);
}

.card-header,
.card-footer {
  background: rgba(255, 255, 255, 0.6);
  border-color: var(--modern-border);
}

.btn {
  border-radius: 999px;
  font-weight: 700;
  letter-spacing: -0.01em;
  padding: 0.72rem 1.2rem;
}

.btn-primary {
  background: linear-gradient(135deg, #1d4ed8 0%, #0f766e 100%);
  box-shadow: 0 14px 30px rgba(29, 78, 216, 0.28);
}

.btn-success {
  background: linear-gradient(135deg, #14b8a6 0%, #0f766e 100%);
  box-shadow: 0 14px 30px rgba(20, 184, 166, 0.24);
}

.btn-warning {
  background: linear-gradient(135deg, #f59e0b 0%, #ea580c 100%);
  color: #fff;
}

.btn-info {
  background: linear-gradient(135deg, #38bdf8 0%, #2563eb 100%);
  color: #fff;
}

.btn-outline-light,
.btn-outline-primary,
.btn-outline-secondary {
  color: var(--modern-text);
  background: rgba(255, 255, 255, 0.56);
  border: 1px solid rgba(148, 163, 184, 0.28);
}

.badge {
  border-radius: 999px;
  font-weight: 700;
  padding: 0.42rem 0.72rem;
  letter-spacing: 0.02em;
}

.badge.bg-success {
  background: linear-gradient(135deg, #14b8a6 0%, #0f766e 100%) !important;
}

.badge.bg-warning {
  background: linear-gradient(135deg, #f59e0b 0%, #ea580c 100%) !important;
  color: #fff;
}

.badge.bg-danger {
  background: linear-gradient(135deg, #ef4444 0%, #dc2626 100%) !important;
}

.badge.bg-secondary {
  background: linear-gradient(135deg, #64748b 0%, #334155 100%) !important;
}

.table thead th {
  background: rgba(241, 245, 249, 0.85);
  text-transform: uppercase;
  font-size: 0.76rem;
  letter-spacing: 0.08em;
  font-weight: 800;
  color: #334155;
}

.table tbody td {
  border-color: rgba(148, 163, 184, 0.18);
}

.form-control,
.form-select {
  border-radius: 16px;
  border: 1px solid rgba(148, 163, 184, 0.22);
  background: rgba(255, 255, 255, 0.72);
  padding: 0.8rem 1rem;
}

.form-control:focus,
.form-select:focus {
  box-shadow: 0 0 0 4px rgba(29, 78, 216, 0.12);
  border-color: #1d4ed8;
}

.card.border-left-primary,
.card.border-left-success,
.card.border-left-warning,
.card.border-left-danger {
  border-left-width: 5px !important;
}

.card.border-left-primary {
  border-left-color: #1d4ed8 !important;
}

.card.border-left-success {
  border-left-color: #059669 !important;
}

.card.border-left-warning {
  border-left-color: #f59e0b !important;
}

.card.border-left-danger {
  border-left-color: #dc2626 !important;
}

.card.border-left-primary .card-body,
.card.border-left-success .card-body,
.card.border-left-warning .card-body,
.card.border-left-danger .card-body {
  position: relative;
}

.card.border-left-primary .fa-server,
.card.border-left-success .fa-wifi,
.card.border-left-warning .fa-bell,
.card.border-left-danger .fa-exclamation-triangle {
  opacity: 0.22;
}

.main-content > .d-flex.justify-content-between.align-items-center.mb-4 {
  margin-bottom: 1.5rem !important;
  padding: 1.35rem 1.5rem;
  border: 1px solid var(--modern-border);
  border-radius: var(--modern-radius-lg);
  background: rgba(255, 255, 255, 0.72);
  box-shadow: var(--modern-shadow-sm);
  backdrop-filter: blur(18px);
}

.main-content > .d-flex.justify-content-between.align-items-center.mb-4 h1 {
  margin-bottom: 0;
}

.card .card-text {
  display: grid;
  gap: 0.65rem;
  margin-bottom: 1rem;
}

.card .card-text strong {
  display: block;
  margin-bottom: 0.15rem;
  font-size: 0.76rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--modern-muted);
}

.card .card-text code {
  display: inline-flex;
  padding: 0.22rem 0.55rem;
  border-radius: 999px;
  background: rgba(29, 78, 216, 0.08);
  color: #1d4ed8;
}

.card .alert-warning {
  background: rgba(245, 158, 11, 0.12);
  border-color: rgba(245, 158, 11, 0.2);
  color: #9a6700;
}

.card-footer .btn-group {
  gap: 0.5rem;
}

.card-footer .btn-group > .btn {
  border-radius: 999px !important;
}

.list-group-flush > .list-group-item {
  border-left: 0;
  border-right: 0;
  border-radius: 0;
  background: transparent;
}

footer.footer-sidebar {
  margin-top: 1rem;
  background: linear-gradient(180deg, rgba(9, 18, 33, 0.97) 0%, rgba(15, 23, 42, 0.98) 100%) !important;
  border: 1px solid rgba(148, 163, 184, 0.14);
  box-shadow: var(--modern-shadow-sm);
}

[data-bs-theme="dark"] body {
  background:
    radial-gradient(circle at top left, rgba(56, 189, 248, 0.08), transparent 28%),
    radial-gradient(circle at top right, rgba(29, 78, 216, 0.08), transparent 30%),
    linear-gradient(180deg, #07111f 0%, #0b1324 46%, #07111f 100%);
}

[data-bs-theme="dark"] .card,
[data-bs-theme="dark"] .alert,
[data-bs-theme="dark"] .modal-content,
[data-bs-theme="dark"] .list-group-item,
[data-bs-theme="dark"] .table,
[data-bs-theme="dark"] .main-content > .d-flex.justify-content-between.align-items-center.mb-4,
[data-bs-theme="dark"] .dropdown-menu {
  background: rgba(15, 23, 42, 0.8);
  border-color: rgba(148, 163, 184, 0.14);
  color: #e5eefb;
}

[data-bs-theme="dark"] .card-header,
[data-bs-theme="dark"] .card-footer,
[data-bs-theme="dark"] .table thead th {
  background: rgba(15, 23, 42, 0.72);
  color: #e5eefb;
}

[data-bs-theme="dark"] .text-muted,
[data-bs-theme="dark"] .lead,
[data-bs-theme="dark"] .card .card-text strong,
[data-bs-theme="dark"] .hero-section .text-white-50 {
  color: #94a3b8 !important;
}

[data-bs-theme="dark"] .btn-outline-light,
[data-bs-theme="dark"] .btn-outline-primary,
[data-bs-theme="dark"] .btn-outline-secondary,
[data-bs-theme="dark"] .form-control,
[data-bs-theme="dark"] .form-select {
  background: rgba(15, 23, 42, 0.72);
  color: #e5eefb;
}

[data-bs-theme="dark"] .card .card-text code {
  background: rgba(59, 130, 246, 0.16);
  color: #93c5fd;
}

@media (max-width: 991.98px) {
  .navbar-brand::after {
    display: none;
  }
}

@media (max-width: 767.98px) {
  .hero-section {
    padding: 3rem 0 !important;
    border-radius: 22px;
  }

  .main-content > .d-flex.justify-content-between.align-items-center.mb-4 {
    flex-direction: column;
    align-items: stretch !important;
  }

  .card-footer .btn-group {
    flex-direction: column;
  }
}

.table-responsive {
  background: transparent !important;
  border-color: rgba(148, 163, 184, 0.18) !important;
  scrollbar-color: rgba(148, 163, 184, 0.38) rgba(15, 23, 42, 0.24);
}

.table-responsive::-webkit-scrollbar {
  height: 12px;
  width: 12px;
}

.table-responsive::-webkit-scrollbar-track {
  background: rgba(15, 23, 42, 0.2);
  border-radius: 999px;
}

.table-responsive::-webkit-scrollbar-thumb {
  background: linear-gradient(180deg, rgba(96, 165, 250, 0.7) 0%, rgba(20, 184, 166, 0.58) 100%);
  border-radius: 999px;
  border: 2px solid rgba(15, 23, 42, 0.16);
}

[data-bs-theme="dark"] .table-responsive {
  background: rgba(15, 23, 42, 0.18) !important;
  border-color: rgba(148, 163, 184, 0.14) !important;
}

[data-bs-theme="dark"] .table-responsive::-webkit-scrollbar-track {
  background: rgba(2, 8, 23, 0.5);
}

[data-bs-theme="dark"] .table-responsive::-webkit-scrollbar-thumb {
  border-color: rgba(2, 8, 23, 0.42);
}