:root,
[data-bs-theme="dark"] {
    color-scheme: dark;
    --app-bg: #0a1120;
    --app-bg-deep: #060b15;
    --app-surface: rgba(14, 21, 36, 0.88);
    --app-surface-strong: rgba(18, 28, 46, 0.94);
    --app-surface-soft: rgba(96, 127, 170, 0.12);
    --app-border: rgba(145, 170, 205, 0.18);
    --app-border-strong: rgba(145, 170, 205, 0.3);
    --app-shadow: 0 22px 60px rgba(0, 0, 0, 0.28);
    --app-primary: #64b5ff;
    --app-primary-rgb: 100, 181, 255;
    --app-primary-strong: #2e7cff;

    --bs-primary: var(--app-primary);
    --bs-primary-rgb: var(--app-primary-rgb);
    --bs-body-bg: var(--app-bg);
    --bs-body-color: #e6edf8;
    --bs-emphasis-color: #f8fbff;
    --bs-secondary-color: #95a7c2;
    --bs-secondary-color-rgb: 149, 167, 194;
    --bs-tertiary-color: #73849d;
    --bs-secondary-bg: #121b2c;
    --bs-tertiary-bg: #172239;
    --bs-border-color: var(--app-border);
    --bs-border-color-translucent: rgba(145, 170, 205, 0.14);
    --bs-card-bg: var(--app-surface);
    --bs-card-cap-bg: var(--app-surface-strong);
    --bs-link-color: #92d0ff;
    --bs-link-hover-color: #d1ebff;
    --bs-code-color: #a4d8ff;
    --bs-danger-rgb: 248, 113, 113;
    --bs-success-rgb: 74, 222, 128;
    --bs-warning-rgb: 245, 158, 11;
    --bs-info-rgb: 56, 189, 248;
}

html {
    min-height: 100%;
}

body.app-body {
    min-height: 100vh;
    color: var(--bs-body-color);
    background:
        radial-gradient(circle at top left, rgba(var(--bs-primary-rgb), 0.18), transparent 32%),
        radial-gradient(circle at top right, rgba(59, 130, 246, 0.12), transparent 26%),
        linear-gradient(180deg, #0d1526 0%, var(--app-bg) 46%, var(--app-bg-deep) 100%);
    background-attachment: fixed;
}

::selection {
    background: rgba(var(--bs-primary-rgb), 0.3);
    color: #fff;
}

a {
    text-underline-offset: 0.18em;
}

.app-navbar {
    position: sticky;
    top: 0;
    z-index: 1030;
    border-bottom: 1px solid var(--app-border);
    background: rgba(7, 11, 19, 0.82) !important;
    backdrop-filter: blur(18px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.16);
}

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

.app-navbar .nav-link,
.app-navbar .btn-link.nav-link {
    color: rgba(230, 237, 248, 0.78);
    transition: color 0.15s ease, opacity 0.15s ease;
}

.app-navbar .nav-link:hover,
.app-navbar .btn-link.nav-link:hover {
    color: #fff;
}

.app-shell {
    padding-top: 0.5rem;
    padding-bottom: 2rem;
}

.card,
.dropdown-menu,
.modal-content {
    border: 1px solid var(--bs-border-color-translucent);
    background:
        linear-gradient(180deg, rgba(19, 29, 48, 0.96) 0%, rgba(11, 18, 31, 0.92) 100%);
    box-shadow: var(--app-shadow);
    backdrop-filter: blur(8px);
}

.card-header {
    border-bottom-color: var(--bs-border-color);
    background: rgba(20, 31, 51, 0.78);
}

.table {
    --bs-table-bg: transparent;
    --bs-table-color: var(--bs-body-color);
    --bs-table-border-color: var(--bs-border-color);
    --bs-table-hover-bg: rgba(var(--bs-primary-rgb), 0.08);
    --bs-table-striped-bg: rgba(255, 255, 255, 0.03);
    --bs-table-striped-color: var(--bs-body-color);
    margin-bottom: 0;
}

.table thead th {
    color: var(--bs-secondary-color);
    font-size: 0.78rem;
    font-weight: 600;
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

.form-control,
.form-select,
.input-group-text {
    border-color: var(--bs-border-color);
    background-color: rgba(7, 12, 22, 0.72);
    color: var(--bs-body-color);
}

.form-control::placeholder,
.form-select::placeholder {
    color: var(--bs-secondary-color);
}

.form-control:focus,
.form-select:focus,
.form-check-input:focus {
    border-color: rgba(var(--bs-primary-rgb), 0.55);
    background-color: rgba(7, 12, 22, 0.9);
    color: var(--bs-body-color);
    box-shadow: 0 0 0 0.25rem rgba(var(--bs-primary-rgb), 0.16);
}

.form-check-input {
    border-color: var(--bs-border-color);
    background-color: rgba(7, 12, 22, 0.72);
}

.form-check-input:checked {
    background-color: var(--bs-primary);
    border-color: var(--bs-primary);
}

.btn {
    border-radius: 0.85rem;
    font-weight: 500;
    letter-spacing: 0.01em;
}

.btn-primary {
    border-color: rgba(255, 255, 255, 0.08);
    background: linear-gradient(135deg, var(--app-primary) 0%, var(--app-primary-strong) 100%);
    box-shadow: 0 14px 28px rgba(46, 124, 255, 0.24);
}

.btn-primary:hover,
.btn-primary:focus-visible {
    border-color: rgba(255, 255, 255, 0.1);
    background: linear-gradient(135deg, #78c1ff 0%, #4f92ff 100%);
}

.btn-dark,
.btn-secondary {
    border-color: var(--app-border-strong);
    background: rgba(21, 32, 53, 0.92);
    color: var(--bs-body-color);
}

.btn-dark:hover,
.btn-dark:focus-visible,
.btn-secondary:hover,
.btn-secondary:focus-visible {
    border-color: rgba(var(--bs-primary-rgb), 0.34);
    background: rgba(29, 42, 67, 0.96);
    color: #fff;
}

.btn-outline-secondary,
.btn-outline-dark {
    border-color: var(--app-border-strong);
    color: var(--bs-secondary-color);
}

.btn-outline-secondary:hover,
.btn-outline-secondary:focus-visible,
.btn-outline-dark:hover,
.btn-outline-dark:focus-visible {
    border-color: rgba(var(--bs-primary-rgb), 0.34);
    background: rgba(255, 255, 255, 0.04);
    color: var(--bs-body-color);
}

.btn-close {
    filter: invert(1) grayscale(100%) brightness(200%);
}

.alert {
    border-color: transparent;
    box-shadow: 0 16px 34px rgba(0, 0, 0, 0.16);
}

.alert-light {
    background: rgba(120, 145, 178, 0.13);
    border-color: rgba(120, 145, 178, 0.24);
    color: var(--bs-body-color);
}

.alert-info {
    background: rgba(var(--bs-info-rgb), 0.14);
    border-color: rgba(var(--bs-info-rgb), 0.3);
    color: #caefff;
}

.alert-success {
    background: rgba(var(--bs-success-rgb), 0.14);
    border-color: rgba(var(--bs-success-rgb), 0.28);
    color: #cbffd9;
}

.alert-warning {
    background: rgba(var(--bs-warning-rgb), 0.14);
    border-color: rgba(var(--bs-warning-rgb), 0.28);
    color: #ffe19c;
}

.alert-danger {
    background: rgba(var(--bs-danger-rgb), 0.14);
    border-color: rgba(var(--bs-danger-rgb), 0.28);
    color: #ffd1d1;
}

.bg-light,
.bg-white {
    background-color: rgba(16, 25, 42, 0.78) !important;
}

pre,
code,
kbd {
    border-radius: 0.75rem;
}

code,
kbd {
    padding: 0.12rem 0.42rem;
    border: 1px solid rgba(145, 170, 205, 0.12);
    background: rgba(7, 12, 22, 0.72);
    color: var(--bs-code-color);
}

pre {
    border: 1px solid var(--bs-border-color);
    background: rgba(7, 12, 22, 0.72);
    color: #dbe7f6;
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.02);
}

pre code {
    padding: 0;
    border: 0;
    background: transparent;
}

.list-group {
    --bs-list-group-color: var(--bs-body-color);
    --bs-list-group-bg: transparent;
    --bs-list-group-border-color: var(--bs-border-color);
    --bs-list-group-action-color: var(--bs-body-color);
    --bs-list-group-action-hover-color: var(--bs-emphasis-color);
    --bs-list-group-action-hover-bg: rgba(var(--bs-primary-rgb), 0.08);
    --bs-list-group-action-active-bg: rgba(var(--bs-primary-rgb), 0.16);
    --bs-list-group-action-active-color: #fff;
}

.badge.bg-secondary,
.text-bg-secondary {
    background: rgba(124, 144, 171, 0.18) !important;
    color: #e6edf8 !important;
}

.badge.bg-info {
    background: rgba(var(--bs-info-rgb), 0.18) !important;
    color: #d5f4ff !important;
}

.text-bg-warning {
    background: rgba(250, 204, 21, 0.18) !important;
    color: #ffe8a3 !important;
}

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

.border,
.border-top,
.border-end,
.border-bottom,
.border-start {
    border-color: var(--bs-border-color) !important;
}