/* Navbar SaaS style extracted from index.php to keep layout clean and reusable */
body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    margin: 0;
    padding: 0;
}

/* Icon button (info) */
.nav-icon-btn {
    color: #94a3b8;
    background: transparent;
    border: none;
    font-size: 15px;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    border-radius: 6px;
    transition: all 0.15s;
    padding: 0;
}
.nav-icon-btn:hover {
    color: #ffffff;
    background: rgba(255,255,255,0.08);
}
.nav-icon-btn-accent {
    color: #3b82f6;
}
.nav-icon-btn-accent:hover {
    color: #ffffff;
    background: rgba(255,255,255,0.08);
}

/* Modal base */
.modal-backdrop-lite {
    position: fixed;
    inset: 0;
    background: rgba(15, 23, 42, 0.55);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 9999;
}
.modal-backdrop-lite.show { display: flex; }
.modal-card {
    background: #ffffff;
    color: #0f172a;
    border-radius: 8px;
    width: 420px;
    max-width: 90vw;
    box-shadow: 0 20px 25px -5px rgba(0,0,0,0.1), 0 8px 10px -6px rgba(0,0,0,0.1);
    padding: 20px 22px;
    position: relative;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}
.modal-card h4 {
    margin: 0 0 10px 0;
    font-size: 16px;
    font-weight: 700;
    color: #0f172a;
}
.modal-card p {
    margin: 6px 0;
    font-size: 13px;
    color: #334155;
    line-height: 1.45;
}
.modal-card .muted { color: #64748b; font-size: 12px; }
.modal-close-btn {
    position: absolute;
    top: 10px;
    right: 10px;
    background: transparent;
    border: none;
    color: #94a3b8;
    font-size: 18px;
    cursor: pointer;
}
.modal-close-btn:hover { color: #0f172a; }
.nav-overlay {
    position: fixed;
    inset: 0;
    background: transparent;
    display: none;
    z-index: 25;
}
.nav-container {
    background: #0f172a;
    color: #f8fafc;
    padding: 0 18px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
    border-bottom: 1px solid #111827;
}
.nav-left { display: flex; align-items: center; gap: 20px; height: 100%; }
.nav-brand {
    display: flex;
    align-items: center;
    gap: 8px;
    color: #ffffff;
    font-weight: 700;
    font-size: 16px;
    text-decoration: none;
    letter-spacing: 0.5px;
}
.nav-brand i { color: #3b82f6; font-size: 17px; }
.nav-menu { display: flex; align-items: center; height: 100%; gap: 4px; }
.nav-root {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    align-items: center;
    height: 100%;
}
.nav-item { position: relative; height: 100%; }
.nav-root > .nav-item > a {
    color: #94a3b8;
    text-decoration: none;
    font-weight: 500;
    font-size: 14px;
    padding: 0 12px;
    height: 100%;
    display: inline-flex;
    align-items: center;
    border-bottom: 2px solid transparent;
    transition: all 0.15s ease;
    gap: 6px;
}
.nav-root > .nav-item > a:hover {
    color: #f8fafc;
    background: rgba(255,255,255,0.05);
    border-bottom-color: #3b82f6;
}
.nav-root > .nav-item.active > a {
    color: #ffffff;
    border-bottom-color: #3b82f6;
    background: rgba(255,255,255,0.02);
}
.nav-root > .nav-item.has-children > a { padding-right: 10px; }
.nav-label { display: inline-flex; align-items: center; gap: 6px; }
.nav-caret {
    font-size: 10px;
    color: #94a3b8;
    margin-left: 2px;
    transition: transform 0.15s ease, color 0.15s ease;
}
.nav-item.has-children:hover > a .nav-caret,
.nav-item.has-children.show > a .nav-caret { transform: rotate(180deg); color: #f8fafc; }
/* ---------------------------------------------------------------------------
   Desplegables del menú: panel blanco tipo "mega menú" con encabezado
   (ícono + título + descripción), ítems con tile de ícono, y una
   flecha que apunta al ítem raíz que lo abrió.
   Es un grid que fluye por columnas: con .nav-sub-cols se parte en dos
   columnas y la cantidad de filas la fija --nav-sub-rows (calculada en PHP),
   así los ítems se leen de arriba hacia abajo como en una lista normal.
   --------------------------------------------------------------------------- */
.nav-sub {
    --nav-sub-rows: 1;
    list-style: none;
    margin: 0;
    padding: 10px;
    background: #ffffff;
    border: 1px solid #e2e8f0;
    border-radius: 14px;
    display: none;
    position: absolute;
    top: calc(100% + 8px);
    left: 0;
    min-width: 320px;
    z-index: 30;
    box-shadow: 0 24px 48px -12px rgba(15, 23, 42, 0.28), 0 4px 12px -2px rgba(15, 23, 42, 0.08);
    grid-template-columns: minmax(0, 1fr);
    grid-template-rows: auto repeat(var(--nav-sub-rows), auto);
    grid-auto-flow: column;
    column-gap: 8px;
    row-gap: 2px;
}
.nav-sub-cols {
    min-width: 640px;
    grid-template-columns: repeat(2, minmax(0, 1fr));
}
/* Flecha que apunta al ítem raíz: un cuadrado rotado con el mismo borde que
   el panel, pisado por el fondo blanco para que se vea como una sola pieza. */
.nav-sub::before {
    content: "";
    position: absolute;
    top: -7px;
    left: 28px;
    width: 12px;
    height: 12px;
    background: #ffffff;
    border-left: 1px solid #e2e8f0;
    border-top: 1px solid #e2e8f0;
    transform: rotate(45deg);
}
.nav-item.has-children.show > .nav-sub { display: grid; }

/* Encabezado de sección: ocupa todo el ancho (ambas columnas). */
.nav-sub-header {
    grid-column: 1 / -1;
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 8px 8px 12px 8px;
    margin-bottom: 4px;
    border-bottom: 1px solid #f1f5f9;
}
.nav-sub-header-icon {
    flex: 0 0 auto;
    width: 40px;
    height: 40px;
    border-radius: 10px;
    background: #2563eb;
    color: #ffffff;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 17px;
    box-shadow: 0 4px 10px -2px rgba(37, 99, 235, 0.45);
}
.nav-sub-header-text { display: flex; flex-direction: column; gap: 3px; min-width: 0; }
.nav-sub-header-title {
    font-size: 13px;
    font-weight: 700;
    color: #0f172a;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    line-height: 1.2;
}
.nav-sub-header-desc {
    font-size: 12px;
    font-weight: 400;
    color: #64748b;
    line-height: 1.35;
}

/* Ítems del desplegable. */
.nav-sub .nav-item { margin: 0; height: auto; }
.nav-sub .nav-item > a {
    color: #1e293b;
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 6px 14px 6px 6px;
    border-radius: 10px;
    text-decoration: none;
    font-weight: 500;
    font-size: 13px;
    white-space: nowrap;
    transition: background 0.15s, color 0.15s;
}
.nav-sub-icon {
    flex: 0 0 auto;
    width: 36px;
    height: 36px;
    border-radius: 10px;
    background: #f1f5f9;
    color: #1e3a8a;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 15px;
    transition: background 0.15s, color 0.15s;
}
.nav-sub .nav-item > a .nav-label { flex: 1 1 auto; min-width: 0; }
.nav-sub .nav-item > a:hover,
.nav-sub .nav-item > a:focus {
    color: #1d4ed8;
    background: #eff6ff;
    outline: none;
}
.nav-sub .nav-item > a:hover .nav-sub-icon,
.nav-sub .nav-item > a:focus .nav-sub-icon { background: #dbeafe; color: #2563eb; }

/* Si el panel se saldría del viewport por la derecha, el JS lo alinea al
   borde derecho del ítem raíz (nav-saas.js) y la flecha se mueve con él. */
.nav-sub.nav-sub-flip { left: auto; right: 0; }
.nav-sub.nav-sub-flip::before { left: auto; right: 28px; }
.nav-user {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 500;
    font-size: 13px;
    color: #e2e8f0;
    white-space: nowrap;
    padding: 6px 8px;
    border-radius: 6px;
    transition: background 0.15s ease;
    background: rgba(255,255,255,0.03);
}
.nav-user:hover { background: rgba(255,255,255,0.05); color: #ffffff; }
.nav-user .user-icon {
    background: #3b82f6;
    border-radius: 50%;
    width: 26px;
    height: 26px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    color: #ffffff;
}
.nav-user-wrapper { position: relative; }
.nav-right { display: flex; align-items: center; gap: 14px; height: 100%; }

/* Indicador discreto de vigencia del certificado AFIP: icono + mini barra de
   progreso (vigencia restante) + días. Semáforo por clase nav-cert-<estado>. */
.nav-cert {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 10px;
    color: #64748b;
    white-space: nowrap;
    cursor: default;
    opacity: 0.85;
    transition: opacity 0.15s;
}
.nav-cert:hover { opacity: 1; }
.nav-cert i { font-size: 10px; }
.nav-cert-bar {
    display: inline-block;
    width: 56px;
    height: 4px;
    border-radius: 2px;
    background: rgba(255,255,255,0.12);
    overflow: hidden;
}
.nav-cert-fill {
    display: block;
    height: 100%;
    border-radius: 2px;
    background: #16a34a;
}
.nav-cert-days { min-width: 26px; text-align: right; font-variant-numeric: tabular-nums; }
.nav-cert-advertencia .nav-cert-fill { background: #eab308; }
.nav-cert-advertencia, .nav-cert-advertencia i { color: #eab308; }
.nav-cert-critico .nav-cert-fill,
.nav-cert-vencido .nav-cert-fill { background: #dc2626; }
.nav-cert-critico, .nav-cert-critico i,
.nav-cert-vencido, .nav-cert-vencido i { color: #f87171; opacity: 1; }
@media (max-width: 900px) { .nav-cert { display: none; } }
/* Menú de usuario: mismo panel, alineado a la derecha y con la flecha bajo
   el avatar. */
.nav-sub-user { right: 0; left: auto; min-width: 300px; grid-auto-flow: row; grid-template-rows: none; }
.nav-sub-user::before { left: auto; right: 22px; }
.nav-sub-user.show { display: grid; }
.php-version-badge {
    position: fixed;
    top: 10px;
    right: 12px;
    font-size: 10px;
    color: #7a7a7a;
    font-family: Arial, sans-serif;
    opacity: 0.8;
    pointer-events: none;
}