/* CESCAC Contable — Estilos globales */
:root {
    --sidebar-width: 260px;
    --primary-dark: #0f172a;
    --primary-accent: #1e40af;
    --primary-light: #3b82f6;
    --success: #059669;
    --card-radius: 12px;
    --shadow: 0 4px 6px -1px rgba(0,0,0,.08), 0 2px 4px -2px rgba(0,0,0,.06);
    --shadow-hover: 0 10px 15px -3px rgba(0,0,0,.08), 0 4px 6px -4px rgba(0,0,0,.06);
}
body { font-family: 'Segoe UI', system-ui, -apple-system, sans-serif; background: #f8fafc; }
.sidebar {
    width: var(--sidebar-width);
    min-height: 100vh;
    background: linear-gradient(180deg, var(--primary-dark) 0%, #1e293b 100%);
    box-shadow: 2px 0 12px rgba(0,0,0,.08);
}
.sidebar .nav-link {
    color: #94a3b8;
    border-radius: 8px;
    margin: 2px 8px;
    padding: 10px 14px;
}
.sidebar .nav-link:hover { color: #fff; background: rgba(255,255,255,.1); }
.sidebar .nav-link.active { color: #fff; background: var(--primary-accent); }
.sidebar .brand { font-weight: 700; letter-spacing: -0.02em; }
.main-content { margin-left: var(--sidebar-width); min-height: 100vh; padding: 1.5rem 2rem; }
@media (max-width: 991px) {
    .sidebar { width: 100%; }
    .main-content { margin-left: 0; }
}
.card {
    border: none;
    border-radius: var(--card-radius);
    box-shadow: var(--shadow);
    transition: box-shadow .2s ease, transform .2s ease;
}
.card:hover { box-shadow: var(--shadow-hover); }
.table { border-radius: var(--card-radius); overflow: hidden; }
.table thead th { background: #f1f5f9; font-weight: 600; color: #475569; border-bottom: 2px solid #e2e8f0; }
.btn { border-radius: 8px; font-weight: 500; }
.btn-primary { background: var(--primary-accent); border-color: var(--primary-accent); }
.btn-primary:hover { background: var(--primary-light); border-color: var(--primary-light); }
h1.h4 { font-weight: 700; color: #0f172a; }
.badge { font-weight: 500; padding: .35em .65em; }
.alert { border: none; border-radius: 10px; }