body {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

[data-bs-theme="dark"] {
    --bs-body-bg: #0a0e27;
    --bs-card-bg: rgba(255, 255, 255, 0.05);
    --bs-border-color: rgba(255, 255, 255, 0.1);
}

[data-bs-theme="dark"] body {
    background: linear-gradient(135deg, #0a0e27 0%, #1a1d3a 50%, #252840 100%);
    background-attachment: fixed;
    color: #e2e4e9;
}

[data-bs-theme="light"] {
    --bs-body-bg: #f8f9fa;
    --bs-card-bg: #fff;
    --bs-border-color: rgba(0, 0, 0, 0.1);
}

[data-bs-theme="light"] body {
    background: #f8f9fa;
    color: #1a1d3a;
}

[data-bs-theme="dark"] .navbar {
    background: rgba(0, 0, 0, 0.15);
    backdrop-filter: blur(10px);
}

[data-bs-theme="light"] .navbar {
    background: #fff;
    border-bottom: 1px solid rgba(0, 0, 0, 0.08);
}

[data-bs-theme="dark"] footer {
    background: rgba(0, 0, 0, 0.1);
}

[data-bs-theme="light"] footer {
    background: #fff;
}

[data-bs-theme="dark"] .card {
    backdrop-filter: blur(8px);
    border: 1px solid rgba(255, 255, 255, 0.08);
}

[data-bs-theme="light"] .card {
    border: 1px solid rgba(0, 0, 0, 0.08);
}

[data-bs-theme="dark"] .modal-content {
    background: #1a1d3a;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

[data-bs-theme="light"] .modal-content {
    background: #fff;
    border: 1px solid rgba(0, 0, 0, 0.1);
}

[data-bs-theme="dark"] .btn-primary {
    background: rgba(76, 125, 255, 0.12);
    color: #6ea8ff;
    border: 1px solid rgba(76, 125, 255, 0.45);
    transition: all 0.15s ease;
}

[data-bs-theme="dark"] .btn-primary:hover {
    background: rgba(76, 125, 255, 0.18);
    border-color: #5f9bff;
    color: #9cc2ff;
    box-shadow: 0 0 6px rgba(76, 125, 255, 0.35),
    inset 0 0 6px rgba(76, 125, 255, 0.25);
}

[data-bs-theme="dark"] .btn-outline-primary,
[data-bs-theme="dark"] .btn-outline-secondary,
[data-bs-theme="dark"] .btn-outline-danger {
    background: transparent;
    border: 1px solid rgba(255, 255, 255, 0.15);
    color: rgba(255, 255, 255, 0.7);
    transition: background 0.15s, border-color 0.15s, color 0.15s;
}

[data-bs-theme="dark"] .btn-outline-primary:hover,
[data-bs-theme="dark"] .btn-outline-secondary:hover {
    background: rgba(255, 255, 255, 0.06);
    border-color: rgba(255, 255, 255, 0.2);
    color: rgba(255, 255, 255, 0.9);
}

[data-bs-theme="dark"] .btn-outline-danger:hover {
    background: rgba(220, 53, 69, 0.15);
    border-color: rgba(220, 53, 69, 0.4);
    color: #f87171;
}

.table {
    --bs-table-bg: transparent;
}

.card:has(.table) {
    padding: 20px 22px 18px 22px;
    border-radius: 16px;
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.45);
    border: 1px solid rgba(255, 255, 255, 0.06);
}

[data-bs-theme="dark"] .card:has(.table) {
    background: rgba(10, 12, 32, 0.96);
}

[data-bs-theme="light"] .card:has(.table) {
    background: #fff;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
    border: 1px solid rgba(0, 0, 0, 0.08);
}

main {
    flex: 1;
}

.auth-card {
    max-width: 440px;
    margin: 0 auto;
}

.theme-toggle {
    cursor: pointer;
    background: none;
    border: none;
    font-size: 1.25rem;
    padding: 0.25rem 0.5rem;
}

.hero {
    min-height: 60vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

.stat-label {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.stat-value {
    font-size: 1.15rem;
    font-weight: 600;
    margin-top: 0.25rem;
}

.table-device-col {
    max-width: 220px;
    overflow-x: auto;
    white-space: nowrap;
}

.table-device-col::-webkit-scrollbar {
    height: 4px;
}

.table-device-col::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.15);
    border-radius: 2px;
}

[data-bs-theme="light"] .table-device-col::-webkit-scrollbar-thumb {
    background: rgba(0, 0, 0, 0.15);
}

[data-bs-theme="dark"] .password-toggle img {
    filter: invert(1) opacity(0.8);
}

[data-bs-theme="dark"] .alert-unread {
    background: rgba(76, 125, 255, 0.08);
    border-left: 3px solid rgba(76, 125, 255, 0.5);
}

[data-bs-theme="light"] .alert-unread {
    background: rgba(76, 125, 255, 0.06);
    border-left: 3px solid rgba(76, 125, 255, 0.5);
}