/* =====================================================
   RENAEN — Estilos personalizados
   ===================================================== */

:root {
    --renaen-primary: #1a3a5c;
    --renaen-secondary: #2c6faa;
    --renaen-accent: #17a2b8;
    --renaen-light: #f0f4f8;
    --renaen-border: #d1d9e0;
    --sidebar-width: 250px;
}

/* --- Base --- */
body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    color: #333;
    background-color: #f8f9fa;
}

/* --- Navbar pública --- */
.navbar-renaen {
    background-color: var(--renaen-primary);
}
.navbar-renaen .navbar-brand,
.navbar-renaen .nav-link {
    color: #fff;
}
.navbar-renaen .nav-link:hover {
    color: var(--renaen-accent);
}

/* --- Header institucional --- */
.header-institucional {
    background-color: var(--renaen-primary);
    color: #fff;
    padding: 1.5rem 0;
}
.header-institucional h1 {
    font-size: 1.4rem;
    font-weight: 600;
    margin: 0;
}
.header-institucional .subtitulo {
    font-size: 0.85rem;
    opacity: 0.85;
}

/* --- Footer --- */
.footer-renaen {
    background-color: var(--renaen-primary);
    color: rgba(255,255,255,0.7);
    padding: 1.5rem 0;
    font-size: 0.85rem;
}
.footer-renaen a {
    color: rgba(255,255,255,0.9);
    text-decoration: none;
}

/* --- Botones --- */
.btn-renaen {
    background-color: var(--renaen-secondary);
    border-color: var(--renaen-secondary);
    color: #fff;
}
.btn-renaen:hover {
    background-color: var(--renaen-primary);
    border-color: var(--renaen-primary);
    color: #fff;
}

/* --- Cards / Tablas --- */
.card {
    border: 1px solid var(--renaen-border);
}
.badge-pendiente { background-color: #ffc107; color: #333; }
.badge-aprobado  { background-color: #28a745; }
.badge-rechazado { background-color: #dc3545; }
.tabla-resultados th {
    background-color: var(--renaen-light);
    font-weight: 600;
    font-size: 0.9rem;
}
main {
    min-height: calc(100vh - 220px);
}

/* --- Panel de administración --- */
body.panel-layout {
    background-color: #f1f3f5;
}
.sidebar {
    width: var(--sidebar-width);
    min-height: 100vh;
    background-color: var(--renaen-primary);
    position: fixed;
    top: 0; left: 0;
    z-index: 100;
    transition: transform 0.3s;
}
.sidebar .brand {
    padding: 1.2rem 1rem;
    border-bottom: 1px solid rgba(255,255,255,0.1);
    color: #fff;
    font-weight: 700;
    font-size: 1.05rem;
}
.sidebar .nav-link {
    color: rgba(255,255,255,0.75);
    padding: 0.7rem 1rem;
    font-size: 0.9rem;
    border-left: 3px solid transparent;
}
.sidebar .nav-link:hover,
.sidebar .nav-link.active {
    background-color: rgba(255,255,255,0.08);
    color: #fff;
    border-left-color: var(--renaen-secondary);
}
.sidebar .nav-link i { width: 22px; }
.main-content {
    margin-left: var(--sidebar-width);
    padding: 1.5rem;
}
.topbar {
    background: #fff;
    border-bottom: 1px solid #dee2e6;
    padding: 0.75rem 1.5rem;
    margin: -1.5rem -1.5rem 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
@media (max-width: 768px) {
    .sidebar { transform: translateX(-100%); }
    .sidebar.show { transform: translateX(0); }
    .main-content { margin-left: 0; }
}