body {
    font-family: "Inter", sans-serif;
    background-color: var(--bs-body-bg);
    color: var(--bs-body-color);
    transition:
        background-color 0.3s ease,
        color 0.3s ease;
}
.hidden {
    display: none !important;
}
.navbar {
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.06);
    transition: background-color 0.3s ease;
}
.nav-link {
    font-weight: 500;
    cursor: pointer;
    padding: 0.5rem 1rem !important;
    transition: all 0.2s;
}
.nav-link.active {
    color: #0d6efd !important;
    font-weight: 600;
    background-color: rgba(13, 110, 253, 0.1);
    border-radius: 8px;
}
.card {
    border: none;
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.04);
    transition:
        background-color 0.3s ease,
        border-color 0.3s ease;
    overflow: hidden;
}
.card-header {
    background-color: var(--bs-card-cap-bg);
    border-bottom: 1px solid var(--bs-border-color);
    padding: 1.25rem 1.5rem;
}

/* --- MODERN AUTH UI --- */
.auth-wrapper {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #e0eafc 0%, #cfdef3 100%);
    padding: 1rem;
}
[data-bs-theme="dark"] .auth-wrapper {
    background: linear-gradient(135deg, #0f2027 0%, #203a43 50%, #2c5364 100%);
}

.auth-card {
    width: 100%;
    max-width: 420px;
    padding: 3rem 2.5rem;
    border-radius: 24px;
    border: none;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.08);
    transition:
        transform 0.3s ease,
        opacity 0.3s ease;
}
[data-bs-theme="dark"] .auth-card {
    background: rgba(30, 30, 30, 0.95);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.auth-icon-wrapper {
    width: 72px;
    height: 72px;
    background: linear-gradient(135deg, #0d6efd 0%, #00d2ff 100%);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    color: white;
    box-shadow: 0 10px 20px rgba(13, 110, 253, 0.3);
    transform: rotate(-5deg);
}
.auth-icon-wrapper.success-gradient {
    background: linear-gradient(135deg, #198754 0%, #20c997 100%);
    box-shadow: 0 10px 20px rgba(25, 135, 84, 0.3);
}
.auth-icon-wrapper i {
    transform: rotate(5deg);
}

.form-floating .form-control {
    border-radius: 14px;
    border: 1.5px solid #dee2e6;
    background-color: #f8f9fa;
    transition: all 0.2s;
}
.form-floating .form-control:focus {
    background-color: #fff;
    border-color: #0d6efd;
    box-shadow: 0 0 0 4px rgba(13, 110, 253, 0.1);
}
[data-bs-theme="dark"] .form-floating .form-control {
    background-color: #2a2a2a;
    border-color: #404040;
    color: #fff;
}
[data-bs-theme="dark"] .form-floating .form-control:focus {
    background-color: #1e1e1e;
    border-color: #0d6efd;
}

.btn-auth {
    border-radius: 14px;
    padding: 0.85rem;
    font-weight: 700;
    letter-spacing: 0.5px;
    border: none;
    transition: all 0.3s ease;
}
.btn-auth-primary {
    background: linear-gradient(135deg, #0d6efd 0%, #0a58ca 100%);
    color: white;
}
.btn-auth-success {
    background: linear-gradient(135deg, #198754 0%, #146c43 100%);
    color: white;
}
.btn-auth:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 15px rgba(0, 0, 0, 0.2);
    color: white;
}

/* --- TOM SELECT DARK MODE --- */
[data-bs-theme="dark"] .ts-control {
    background-color: #2a2a2a;
    border-color: #404040;
    color: #fff;
}
[data-bs-theme="dark"] .ts-dropdown {
    background-color: #2a2a2a;
    border-color: #404040;
    color: #fff;
}
[data-bs-theme="dark"] .ts-dropdown .option {
    color: #adb5bd;
}
[data-bs-theme="dark"] .ts-dropdown .active {
    background-color: #0d6efd;
    color: #fff;
}
[data-bs-theme="dark"] .ts-control input {
    color: #fff;
}

[data-bs-theme="dark"] body {
    background-color: #121212;
}
[data-bs-theme="dark"] .card {
    background-color: #1e1e1e;
    border: 1px solid #2d2d2d;
}
.chart-container {
    position: relative;
    height: 300px;
    width: 100%;
    display: flex;
    justify-content: center;
}
.table-container {
    border-top: 1px solid var(--bs-border-color);
}
.table thead th {
    background-color: var(--bs-tertiary-bg);
    border-bottom: 1px solid var(--bs-border-color);
}
.sortable {
    cursor: pointer;
}
.sortable:hover {
    background-color: var(--bs-secondary-bg) !important;
}
.sort-icon {
    font-size: 0.8rem;
    margin-left: 5px;
    opacity: 0.3;
}
.sort-active {
    opacity: 1 !important;
    color: #0d6efd;
}
#themeToggle {
    width: 38px;
    height: 38px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    border: 1px solid var(--bs-border-color);
    cursor: pointer;
    background: transparent;
    color: var(--bs-body-color);
}