:root {
  color-scheme: dark;
  --brand-gradient: radial-gradient(160% 160% at 0% 0%, rgba(99, 102, 241, 0.18), transparent 55%),
    radial-gradient(140% 140% at 100% 0%, rgba(236, 72, 153, 0.16), transparent 55%), #060b16;
  --surface-primary: rgba(16, 20, 32, 0.9);
  --surface-secondary: rgba(22, 27, 43, 0.9);
  --surface-muted: rgba(12, 17, 29, 0.82);
  --surface-elevated: rgba(9, 13, 24, 0.92);
  --border-color: rgba(255, 255, 255, 0.12);
  --border-color-strong: rgba(255, 255, 255, 0.26);
  --text-primary: #ffffff;
  --text-secondary: rgba(255, 255, 255, 0.88);
  --text-muted: rgba(255, 255, 255, 0.72);
  --field-background: rgba(13, 18, 31, 0.92);
  --field-border: rgba(148, 163, 184, 0.35);
  --field-border-strong: rgba(148, 163, 184, 0.55);
  --accent-primary: #6366f1;
  --accent-primary-soft: rgba(99, 102, 241, 0.22);
  --accent-secondary: #ec4899;
  --danger: #f87171;
  --success: #34d399;
  --warning: #fbbf24;
  --info: #38bdf8;
  --radius-lg: 20px;
  --radius-md: 14px;
  --radius-sm: 10px;
  --shadow-soft: 0 16px 36px rgba(8, 12, 24, 0.66);
  --shadow-glow: 0 0 1px rgba(99, 102, 241, 0.55), 0 20px 46px rgba(8, 12, 24, 0.72);
}

* {
  box-sizing: border-box;
}

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

body {
  margin: 0;
  font-family: 'Inter', 'Roboto Flex', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: var(--brand-gradient);
  color: var(--text-primary);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  --bs-body-bg: transparent;
  --bs-body-color: var(--text-secondary);
}

code,
pre {
  font-family: 'Roboto Mono', 'Fira Code', Consolas, 'SFMono-Regular', monospace;
}

a,
button {
  transition: all 0.2s ease;
}

a:focus-visible,
button:focus-visible,
.btn:focus-visible,
.form-control:focus-visible,
.form-select:focus-visible {
  outline: 2px solid rgba(99, 102, 241, 0.7);
  outline-offset: 2px;
}

a {
  color: #ffffff;
  text-decoration: none;
}

a:hover {
  color: #ffffff;
}

.app-shell {
  min-height: 100vh;
  background: linear-gradient(180deg, rgba(5, 9, 18, 0.92), rgba(5, 9, 18, 0.98));
}

.container,
.container-fluid {
  max-width: 1280px;
}

.navbar.app-navbar,
.navbar.bg-dark,
.navbar.bg-black {
  background: rgba(12, 16, 27, 0.85) !important;
  backdrop-filter: blur(18px);
  border-bottom: 1px solid var(--border-color);
  box-shadow: 0 12px 24px rgba(2, 6, 23, 0.55);
}

.navbar-brand {
  font-weight: 700;
  letter-spacing: 0.02em;
}

.navbar .btn {
  border-radius: var(--radius-sm);
}

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

.bg-dark,
.bg-black {
  background-color: var(--surface-primary) !important;
}

.card {
  background: var(--surface-primary) !important;
  border: 1px solid var(--border-color) !important;
  border-radius: var(--radius-lg) !important;
  box-shadow: var(--shadow-soft);
  backdrop-filter: blur(22px);
}

.card-header,
.card-footer {
  background-color: transparent !important;
  border-color: var(--border-color) !important;
}

.card-body {
  color: var(--text-secondary);
}

.card h5,
.card h4,
.card h3,
.card h2 {
  color: var(--text-primary);
}

h1,
h2,
h3,
h4,
h5,
h6 {
  color: var(--text-primary);
  letter-spacing: 0.01em;
}

p,
li,
span,
small,
label {
  color: var(--text-secondary);
}

.btn {
  border-radius: var(--radius-sm);
  border-width: 1px;
  font-weight: 600;
  letter-spacing: 0.01em;
}

.btn-primary,
.btn-danger,
.btn-outline-light:hover,
.btn-outline-primary:hover {
  color: #fff !important;
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent-primary), #7c3aed);
  border-color: transparent;
  box-shadow: var(--shadow-glow);
}

.btn-outline-light {
  color: var(--text-primary);
  border-color: rgba(255, 255, 255, 0.25);
  background: rgba(255, 255, 255, 0.03);
}

.btn-outline-light:hover {
  border-color: transparent;
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.65), rgba(236, 72, 153, 0.6));
  box-shadow: var(--shadow-glow);
}

.btn-outline-secondary {
  color: var(--text-secondary);
  border-color: rgba(255, 255, 255, 0.18);
  background: rgba(148, 163, 184, 0.08);
}

.btn-outline-secondary:hover {
  border-color: transparent;
  background: rgba(148, 163, 184, 0.22);
}

.btn-danger {
  background: linear-gradient(135deg, #ef4444, #dc2626);
  border-color: transparent;
}

.btn-success {
  background: linear-gradient(135deg, #22c55e, #16a34a);
  border-color: transparent;
}


.form-label,
.form-check-label {
  font-weight: 600;
  letter-spacing: 0.01em;
  color: var(--text-primary);
  font-size: 0.95rem;
}

.form-control,
.form-select,
textarea.form-control {
  background: var(--field-background) !important;
  border-radius: var(--radius-sm);
  border: 1px solid var(--field-border) !important;
  color: var(--text-primary) !important;
  font-size: 1rem;
  line-height: 1.6;
  padding: 0.85rem 1rem;
  transition: border-color 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
  caret-color: var(--accent-primary);
}

input::file-selector-button,
.form-control::file-selector-button {
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.8), rgba(236, 72, 153, 0.75));
  border: none;
  color: #fff;
  padding: 0.65rem 1rem;
  border-radius: calc(var(--radius-sm) - 2px);
  margin-right: 1rem;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

input::file-selector-button:hover,
.form-control::file-selector-button:hover {
  transform: translateY(-1px);
  box-shadow: 0 10px 25px rgba(99, 102, 241, 0.35);
}

.form-control::placeholder,
textarea.form-control::placeholder {
  color: rgba(255, 255, 255, 0.65) !important;
  opacity: 1;
}

.form-control:focus,
.form-select:focus,
textarea.form-control:focus {
  border-color: var(--field-border-strong) !important;
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.28);
  background: rgba(10, 15, 26, 0.98) !important;
}

.input-group-text {
  background: rgba(17, 23, 36, 0.9) !important;
  border: 1px solid var(--field-border) !important;
  color: var(--text-secondary) !important;
}

.form-control:disabled,
.form-select:disabled,
textarea.form-control:disabled {
  background: rgba(255, 255, 255, 0.08) !important;
  color: rgba(255, 255, 255, 0.55) !important;
  cursor: not-allowed;
}

input:-webkit-autofill,
textarea:-webkit-autofill,
select:-webkit-autofill {
  -webkit-text-fill-color: var(--text-primary) !important;
  caret-color: var(--accent-primary);
  box-shadow: 0 0 0 1000px rgba(12, 17, 29, 0.96) inset;
  border-radius: var(--radius-sm);
}

.form-check-input {
  background-color: rgba(255, 255, 255, 0.12);
  border-color: rgba(255, 255, 255, 0.35);
}

.form-check-input:checked {
  background-color: var(--accent-primary);
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.3);
}

.form-text {
  color: rgba(255, 255, 255, 0.8) !important;
  font-size: 0.875rem;
}

.table {
  color: var(--text-secondary);
  border-color: var(--border-color);
}

.table thead {
  color: var(--text-primary);
  background: rgba(99, 102, 241, 0.12);
}

.table-hover tbody tr:hover {
  background: rgba(99, 102, 241, 0.08);
}

.badge {
  border-radius: var(--radius-sm);
  padding: 0.4rem 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.badge.bg-secondary {
  background: rgba(148, 163, 184, 0.25) !important;
  color: #ffffff !important;
}

.badge.bg-success {
  background: rgba(34, 197, 94, 0.25) !important;
  color: #ffffff !important;
}

.badge.bg-danger {
  background: rgba(248, 113, 113, 0.25) !important;
  color: #ffffff !important;
}

.alert {
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color-strong);
  background: rgba(14, 18, 30, 0.9);
  box-shadow: 0 8px 18px rgba(15, 23, 42, 0.45);
}

.modal-content,
.offcanvas {
  border-radius: var(--radius-lg) !important;
  border: 1px solid var(--border-color) !important;
  background: var(--surface-primary) !important;
  color: var(--text-primary) !important;
  box-shadow: var(--shadow-soft);
  backdrop-filter: blur(20px);
}

.modal-header,
.modal-footer,
.offcanvas-header {
  border-color: var(--border-color) !important;
}

.offcanvas-backdrop {
  background-color: rgba(8, 11, 19, 0.6) !important;
}

.toast {
  border-radius: var(--radius-md) !important;
  background: rgba(15, 23, 42, 0.92) !important;
  border: 1px solid rgba(99, 102, 241, 0.2) !important;
}

.toast-body {
  color: var(--text-primary);
}

.nav.nav-pills .nav-link {
  border-radius: var(--radius-md);
  padding: 0.65rem 1.2rem;
  color: var(--text-secondary);
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid transparent;
  font-weight: 500;
}

.nav.nav-pills .nav-link.active {
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.75), rgba(236, 72, 153, 0.65));
  color: #fff;
  border-color: transparent;
  box-shadow: var(--shadow-glow);
}

.nav.nav-tabs {
  border-bottom: none;
}

.list-group-item {
  background: rgba(25, 30, 46, 0.85);
  border-color: var(--border-color);
  color: var(--text-secondary);
}

.list-group-item + .list-group-item {
  border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.dropdown-menu {
  background: rgba(14, 19, 33, 0.96);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-soft);
  padding: 0.65rem;
}

.dropdown-item {
  color: var(--text-secondary);
  border-radius: var(--radius-sm);
  padding: 0.6rem 0.85rem;
}

.dropdown-item:hover,
.dropdown-item:focus {
  color: #fff;
  background: rgba(99, 102, 241, 0.25);
}

.text-white {
  color: #ffffff !important;
}

.text-secondary {
  color: #ffffff !important;
}

.small,
.text-muted {
  color: #ffffff !important;
}

::-webkit-scrollbar {
  width: 10px;
  height: 10px;
}

::-webkit-scrollbar-track {
  background: rgba(255, 255, 255, 0.06);
}

::-webkit-scrollbar-thumb {
  border-radius: 6px;
  background: rgba(99, 102, 241, 0.55);
}

@media (max-width: 991.98px) {
  .navbar.app-navbar {
    border-bottom: 1px solid transparent;
  }

  .container,
  .container-fluid {
    padding-left: 1.2rem;
    padding-right: 1.2rem;
  }

  .card {
    border-radius: 18px !important;
  }
}

@media (max-width: 575.98px) {
  .nav.nav-pills {
    gap: 0.6rem;
  }

  .nav.nav-pills .nav-link {
    width: 100%;
  }

  .btn {
    width: 100%;
  }
}