/* ===========================================================================
   PROYECTO BASE - ESTILOS
   El color primario se inyecta desde la configuracion (variable --pb-primario).
   =========================================================================== */

:root {
    --pb-primario: #0d6efd;
    --pb-sidebar-w: 240px;
    --pb-topbar-h: 56px;
    --pb-gris-claro: #f4f5f7;
    --pb-borde: #e3e6ea;
}

* { box-sizing: border-box; }
body { margin: 0; font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; background: var(--pb-gris-claro); }

/* --- Login y pantallas simples ------------------------------------------ */
.pb-centrado { display: flex; align-items: center; justify-content: center; min-height: 100vh; }

/* --- Estructura general ------------------------------------------------- */
.pb-layout { display: flex; min-height: 100vh; }

.pb-sidebar {
    width: var(--pb-sidebar-w);
    background: #1f2937;
    color: #cbd5e1;
    flex-shrink: 0;
    transition: width .2s;
}
.pb-brand {
    height: var(--pb-topbar-h);
    display: flex; align-items: center; gap: .6rem;
    padding: 0 1rem; font-weight: 600; color: #fff;
    background: rgba(0,0,0,.2);
}
.pb-brand i { color: var(--pb-primario); font-size: 1.3rem; }

.pb-nav { display: flex; flex-direction: column; padding: .5rem 0; }
.pb-nav a {
    display: flex; align-items: center; gap: .75rem;
    padding: .65rem 1rem; color: #cbd5e1; text-decoration: none;
    border-left: 3px solid transparent;
}
.pb-nav a:hover { background: rgba(255,255,255,.06); color: #fff; }
.pb-nav a.activo {
    background: rgba(255,255,255,.08);
    color: #fff; border-left-color: var(--pb-primario); font-weight: 600;
}
.pb-nav i { width: 1.2rem; text-align: center; }

.pb-main { flex: 1; display: flex; flex-direction: column; min-width: 0; }

.pb-topbar {
    height: var(--pb-topbar-h);
    background: #fff; border-bottom: 1px solid var(--pb-borde);
    display: flex; align-items: center; justify-content: space-between;
    padding: 0 1rem;
}
.pb-toggle { border: 0; background: none; font-size: 1.3rem; cursor: pointer; }
.pb-user { display: flex; align-items: center; gap: .6rem; }
.pb-user i.bi-person-circle { font-size: 1.4rem; color: var(--pb-primario); }
.pb-logout { color: #6b7280; font-size: 1.2rem; }

.pb-content { padding: 1.5rem; flex: 1; }
.pb-title { font-size: 1.5rem; margin-bottom: 1rem; }
.pb-footer { padding: .75rem 1.5rem; color: #6b7280; font-size: .85rem; border-top: 1px solid var(--pb-borde); }

/* --- Sidebar colapsado -------------------------------------------------- */
.pb-collapsed .pb-sidebar { width: 0; overflow: hidden; }

/* --- Botones con el color primario -------------------------------------- */
.btn-primary { background-color: var(--pb-primario); border-color: var(--pb-primario); }
.btn-primary:hover { filter: brightness(.92); background-color: var(--pb-primario); border-color: var(--pb-primario); }
.btn-outline-primary { color: var(--pb-primario); border-color: var(--pb-primario); }
.btn-outline-primary:hover { background-color: var(--pb-primario); border-color: var(--pb-primario); }
a { color: var(--pb-primario); }