:root {
    --sidebar-width: 240px;
    --navbar-height: 56px;
    --primary: #6366f1;
    --primary-dark: #4f46e5;
    --sidebar-bg: #f8f9fa;
    --body-bg: #f1f5f9;
}

[data-bs-theme="dark"] {
    --sidebar-bg: #1e293b;
    --body-bg: #0f172a;
}

body {
    background-color: var(--body-bg);
    min-height: 100vh;
}

.sidebar {
    width: var(--sidebar-width);
    min-height: 100vh;
    background: var(--sidebar-bg);
    border-right: 1px solid var(--bs-border-color);
    position: fixed;
    top: 0;
    left: 0;
    z-index: 1040;
    padding-top: 4rem;
    transition: transform .3s ease;
}

.main-content {
    margin-left: var(--sidebar-width);
    padding: 1.5rem;
    padding-top: calc(var(--navbar-height) + 1.5rem);
    min-height: 100vh;
    transition: margin-left .3s ease;
}

.navbar-brand {
    font-weight: 700;
    letter-spacing: -0.5px;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: .6rem;
    padding: .6rem 1rem;
    border-radius: .5rem;
    color: var(--bs-body-color);
    transition: background .15s;
}

.nav-link:hover, .nav-link.active {
    background: rgba(99, 102, 241, .1);
    color: var(--primary);
}

.kpi-card {
    border: none;
    border-radius: .75rem;
    box-shadow: 0 1px 3px rgba(0,0,0,.06);
}

.status-chip {
    display: inline-flex;
    align-items: center;
    gap: .35rem;
    font-size: .75rem;
    padding: .25rem .6rem;
    border-radius: 999px;
    font-weight: 500;
}

.status-scheduled { background: #dbeafe; color: #1d4ed8; }
.status-done      { background: #dcfce7; color: #15803d; }
.status-cancelled { background: #f3f4f6; color: #6b7280; }
.status-overdue   { background: #fee2e2; color: #991b1b; }

.table-hover tbody tr { cursor: pointer; }

.empty-state {
    text-align: center;
    padding: 4rem 1rem;
    opacity: .6;
}

@media print {
    .sidebar, .navbar, .no-print { display: none !important; }
    .main-content { margin-left: 0 !important; padding-top: 0 !important; }
    body { font-size: 11px; }
    a[href]:after { content: none !important; }
    .table { font-size: 11px; }
    .status-chip { border: 1px solid currentColor; }
    .page-break { page-break-after: always; }
}

@media (max-width: 991px) {
    .sidebar {
        transform: translateX(-100%);
    }
    .sidebar.show {
        transform: translateX(0);
    }
    .main-content {
        margin-left: 0;
        padding-top: calc(var(--navbar-height) + 1rem);
    }
}