:root {
    color-scheme: light;
    --app-bg: #ffffff;
    --app-text: #212529;
    --app-muted: #6c757d;
    --app-border: #dee2e6;
    --app-card-bg: #ffffff;
    --app-card-text: #212529;
    --app-navbar-bg: #f8f9fa;
    --app-navbar-text: #212529;
    --app-dropdown-bg: #ffffff;
    --app-dropdown-text: #212529;
    --app-table-bg: #ffffff;
    --app-table-text: #212529;
    --app-input-bg: #ffffff;
    --app-input-text: #212529;
    --app-input-border: #ced4da;
    --app-link: #212529;
    --app-focus: rgba(0, 0, 0, 0.15);
    --chart-text: #1f2937;
    --chart-grid: rgba(15, 23, 42, 0.08);
    --chart-tooltip-bg: rgba(15, 23, 42, 0.9);
    --chart-tooltip-text: #f8fafc;
    --card-shadow: 0 10px 24px rgba(15, 23, 42, 0.08);
    --card-radius: 14px;
    --card-header-bg: rgba(15, 23, 42, 0.04);
    --card-header-border: rgba(15, 23, 42, 0.08);
    --card-primary: #1f6feb;
    --card-success: #16a34a;
    --card-danger: #dc2626;
    --card-warning: #f59e0b;
    --card-info: #0ea5e9;
    --card-accent: #7c3aed;
}

html[data-theme="dark"] {
    color-scheme: dark;
    --app-bg: #0f141b;
    --app-text: #e6e9ef;
    --app-muted: #a3adba;
    --app-border: #263140;
    --app-card-bg: #121924;
    --app-card-text: #e6e9ef;
    --app-navbar-bg: #101722;
    --app-navbar-text: #e6e9ef;
    --app-dropdown-bg: #121924;
    --app-dropdown-text: #e6e9ef;
    --app-table-bg: #121924;
    --app-table-text: #e6e9ef;
    --app-input-bg: #0f141b;
    --app-input-text: #e6e9ef;
    --app-input-border: #2b3646;
    --app-link: #e6e9ef;
    --app-focus: rgba(255, 255, 255, 0.2);
    --chart-text: #e6e9ef;
    --chart-grid: rgba(255, 255, 255, 0.12);
    --chart-tooltip-bg: rgba(10, 15, 22, 0.95);
    --chart-tooltip-text: #f8fafc;
    --card-shadow: 0 16px 30px rgba(0, 0, 0, 0.35);
    --card-header-bg: rgba(255, 255, 255, 0.04);
    --card-header-border: rgba(255, 255, 255, 0.08);
    --card-primary: #3b82f6;
    --card-success: #22c55e;
    --card-danger: #f87171;
    --card-warning: #fbbf24;
    --card-info: #38bdf8;
    --card-accent: #a78bfa;
}

body {
    background-color: var(--app-bg);
    color: var(--app-text);
}

.navbar {
    background-color: var(--app-navbar-bg) !important;
}

.navbar .nav-link,
.navbar .navbar-brand {
    color: var(--app-navbar-text) !important;
}

.dropdown-menu {
    background-color: var(--app-dropdown-bg) !important;
    color: var(--app-dropdown-text) !important;
    border-color: var(--app-border) !important;
}

.dropdown-item {
    color: var(--app-dropdown-text) !important;
}

.dropdown-item:hover,
.dropdown-item:focus {
    background-color: var(--app-focus) !important;
}

.card {
    background-color: var(--app-card-bg) !important;
    color: var(--app-card-text) !important;
    border-color: var(--app-border) !important;
    border-radius: var(--card-radius);
    box-shadow: var(--card-shadow);
}

.card-header {
    background-color: var(--card-header-bg) !important;
    border-bottom: 1px solid var(--card-header-border) !important;
}

.card-title {
    letter-spacing: 0.2px;
}

.bg-primary {
    background: linear-gradient(135deg, var(--card-primary), #2563eb) !important;
}

.bg-success {
    background: linear-gradient(135deg, var(--card-success), #15803d) !important;
}

.bg-danger {
    background: linear-gradient(135deg, var(--card-danger), #b91c1c) !important;
}

.bg-warning {
    background: linear-gradient(135deg, var(--card-warning), #d97706) !important;
    color: #ffffff !important;
}

.bg-info {
    background: linear-gradient(135deg, var(--card-info), #0284c7) !important;
}

.bg-primary,
.bg-success,
.bg-danger,
.bg-warning,
.bg-info,
.card[style*="background-color: #9932cc"] {
    color: #ffffff !important;
}

.card.bg-primary,
.card.bg-success,
.card.bg-danger,
.card.bg-warning,
.card.bg-info,
.card[style*="background-color: #9932cc"] {
    color: #ffffff !important;
}

.card.bg-primary *,
.card.bg-success *,
.card.bg-danger *,
.card.bg-warning *,
.card.bg-info *,
.card[style*="background-color: #9932cc"] * {
    color: #ffffff !important;
    fill: #ffffff !important;
    stroke: #ffffff !important;
}

.card.bg-primary .text-dark,
.card.bg-success .text-dark,
.card.bg-danger .text-dark,
.card.bg-warning .text-dark,
.card.bg-info .text-dark,
.card[style*="background-color: #9932cc"] .text-dark {
    color: #ffffff !important;
}

.card[style*="background-color: #9932cc"] {
    background: linear-gradient(135deg, var(--card-accent), #6d28d9) !important;
}

.table {
    color: var(--app-table-text) !important;
}

html[data-theme="dark"] .table,
html[data-theme="dark"] .table td,
html[data-theme="dark"] .table th,
html[data-theme="dark"] .table thead th {
    color: #ffffff !important;
}

.table-striped tbody tr:nth-of-type(odd) {
    background-color: rgba(0, 0, 0, 0.03);
}

html[data-theme="dark"] .table-striped tbody tr:nth-of-type(odd) {
    background-color: rgba(255, 255, 255, 0.03);
}

.form-control,
.form-select {
    background-color: var(--app-input-bg) !important;
    color: var(--app-input-text) !important;
    border-color: var(--app-input-border) !important;
}

.form-control:focus,
.form-select:focus {
    box-shadow: 0 0 0 0.2rem rgba(13, 110, 253, 0.15);
}

a {
    color: var(--app-link);
}

.theme-toggle {
    border: 1px solid var(--app-border);
    background: transparent;
    color: var(--app-navbar-text);
    border-radius: 999px;
    padding: 0.25rem 0.6rem;
}

.theme-toggle:focus {
    outline: none;
    box-shadow: 0 0 0 0.2rem rgba(13, 110, 253, 0.15);
}