:root {
    --azul: #2563eb;
    --azul-oscuro: #1e40af;
    --verde: #16a34a;
    --ambar: #f59e0b;
    --rojo: #dc2626;
    --bg: #f4f6f9;
    --card: #ffffff;
    --texto: #1e293b;
    --texto-suave: #64748b;
    --borde: #e2e8f0;
    --radio: 14px;
    --sombra: 0 2px 10px rgba(15, 23, 42, 0.06);
}

* { box-sizing: border-box; }
html, body {
    margin: 0; padding: 0;
    background: var(--bg);
    color: var(--texto);
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    -webkit-tap-highlight-color: transparent;
    -webkit-font-smoothing: antialiased;
}

h2, h3 { letter-spacing: -0.01em; }
h3 { font-weight: 750; }

a { color: var(--azul); text-decoration: none; }

.pantalla-centrada {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px 16px;
}

.card {
    background: var(--card);
    border-radius: var(--radio);
    box-shadow: var(--sombra);
    padding: 28px;
    width: 100%;
    max-width: 420px;
}

.card-ancha { max-width: 720px; }

.logo-app {
    font-weight: 800;
    font-size: 22px;
    color: var(--azul-oscuro);
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 4px;
}

.subtitulo { color: var(--texto-suave); font-size: 14px; margin-bottom: 24px; }

label {
    display: block;
    font-size: 13px;
    font-weight: 600;
    color: var(--texto-suave);
    margin: 14px 0 6px;
}

input, select, textarea {
    width: 100%;
    padding: 12px 14px;
    border: 1.5px solid var(--borde);
    border-radius: 10px;
    font-size: 15px;
    background: #fff;
    color: var(--texto);
}
input:focus, select:focus, textarea:focus {
    outline: none;
    border-color: var(--azul);
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    width: 100%;
    padding: 13px 18px;
    border: none;
    border-radius: 10px;
    font-size: 15px;
    font-weight: 700;
    cursor: pointer;
    background: var(--azul);
    color: #fff;
    margin-top: 20px;
    transition: transform 0.05s ease, opacity 0.15s ease, filter 0.15s ease, box-shadow 0.15s ease;
    box-shadow: 0 1px 2px rgba(0,0,0,0.05);
}
.btn:hover { filter: brightness(1.08); box-shadow: 0 2px 8px rgba(0,0,0,0.12); }
.btn:active { transform: scale(0.98); }
.btn:disabled { opacity: 0.6; cursor: not-allowed; }
.btn-secundario { background: #eef2ff; color: var(--azul-oscuro); }
.btn-peligro { background: var(--rojo); }
.btn-chico { width: auto; padding: 8px 14px; font-size: 13px; margin-top: 0; }

.error-msg {
    background: #fef2f2;
    color: var(--rojo);
    padding: 10px 14px;
    border-radius: 10px;
    font-size: 13.5px;
    margin-top: 14px;
    display: none;
}
.error-msg.visible { display: block; }

.ok-msg {
    background: #f0fdf4;
    color: var(--verde);
    padding: 10px 14px;
    border-radius: 10px;
    font-size: 13.5px;
    margin-top: 14px;
}

/* ---------- Selector de planes ---------- */
.planes-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 12px;
    margin: 16px 0;
}
@media (min-width: 640px) {
    .planes-grid { grid-template-columns: repeat(3, 1fr); }
}
.plan-card {
    border: 2px solid var(--borde);
    border-radius: var(--radio);
    padding: 18px;
    cursor: pointer;
    transition: border-color 0.15s ease, transform 0.1s ease;
}
.plan-card:hover { transform: translateY(-2px); }
.plan-card.seleccionado { border-color: var(--azul); background: #eff6ff; }
.plan-nombre { font-weight: 800; font-size: 17px; }
.plan-precio { font-size: 22px; font-weight: 800; color: var(--azul-oscuro); margin: 6px 0; }
.plan-precio span { font-size: 12px; color: var(--texto-suave); font-weight: 500; }
.plan-desc { font-size: 13px; color: var(--texto-suave); }
.plan-badge {
    display: inline-block;
    font-size: 11px;
    font-weight: 700;
    padding: 3px 8px;
    border-radius: 20px;
    background: var(--ambar);
    color: #fff;
    margin-bottom: 8px;
}

/* ---------- Hub / módulos ---------- */
.topbar {
    background: var(--card);
    padding: 14px 18px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    box-shadow: var(--sombra);
    position: sticky;
    top: 0;
    z-index: 10;
}
.topbar-empresa { font-weight: 700; font-size: 15px; }
.topbar-rol { font-size: 12px; color: var(--texto-suave); }

.sync-indicator {
    position: relative;
    background: #f1f5f9;
    border-radius: 20px;
    padding: 6px 12px;
    font-size: 12px;
    display: flex;
    align-items: center;
    gap: 6px;
    color: var(--texto-suave);
}
.sync-indicator.pendiente-sync { background: #fffbeb; color: #92400e; }
#badge-sync {
    background: var(--ambar);
    color: #fff;
    border-radius: 50%;
    min-width: 18px;
    height: 18px;
    font-size: 11px;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0 4px;
}
#badge-sync.oculto { display: none; }

.contenido { padding: 20px 16px 60px; max-width: 960px; margin: 0 auto; }

.modulos-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
    margin-top: 16px;
}
@media (min-width: 640px) {
    .modulos-grid { grid-template-columns: repeat(4, 1fr); }
}
.modulo-tile {
    background: var(--card);
    border-radius: var(--radio);
    padding: 20px 14px;
    text-align: center;
    box-shadow: var(--sombra);
    cursor: pointer;
    transition: transform 0.12s ease, box-shadow 0.12s ease;
}
.modulo-tile:active { transform: scale(0.97); }
.modulo-tile:hover { transform: translateY(-2px); box-shadow: 0 6px 16px rgba(15, 23, 42, 0.1); }
.modulo-icono { font-size: 28px; margin-bottom: 8px; }
.modulo-nombre { font-size: 13px; font-weight: 700; }
.modulo-bloqueado { opacity: 0.45; }
.modulo-lock { font-size: 11px; color: var(--texto-suave); margin-top: 4px; }

/* ---------- Tablas / listas ---------- */
.lista-item {
    background: var(--card);
    border-radius: 12px;
    padding: 14px 16px;
    margin-bottom: 10px;
    box-shadow: var(--sombra);
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
}
.badge-riesgo {
    font-size: 12px;
    font-weight: 700;
    padding: 4px 10px;
    border-radius: 20px;
    color: #fff;
    white-space: nowrap;
}
.riesgo-alto { background: var(--rojo); }
.riesgo-medio { background: var(--ambar); }
.riesgo-bajo { background: var(--verde); }

.fab {
    position: fixed;
    bottom: 24px;
    right: 20px;
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: var(--azul);
    color: #fff;
    font-size: 26px;
    border: none;
    box-shadow: 0 4px 14px rgba(37, 99, 235, 0.4);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* ---------- Superadmin: panel de módulos ---------- */
.override-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 0;
    border-bottom: 1px solid var(--borde);
}
.override-controls { display: flex; gap: 6px; }
.pill {
    font-size: 11px;
    font-weight: 700;
    padding: 4px 10px;
    border-radius: 20px;
    border: 1.5px solid var(--borde);
    background: #fff;
    cursor: pointer;
    color: var(--texto-suave);
}
.pill.activo-on { background: var(--verde); color: #fff; border-color: var(--verde); }
.pill.activo-off { background: var(--rojo); color: #fff; border-color: var(--rojo); }
.pill.activo-plan { background: #eef2ff; color: var(--azul-oscuro); border-color: #c7d2fe; }

.oculto { display: none !important; }

/* ---------- KPIs (hub + indicadores) ---------- */
.kpi-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.kpi-card { background: var(--card); border-radius: 14px; padding: 16px; box-shadow: var(--sombra); cursor: pointer; transition: transform 0.12s ease, box-shadow 0.12s ease; }
.kpi-card:hover { transform: translateY(-2px); box-shadow: 0 6px 16px rgba(15, 23, 42, 0.1); }
.kpi-valor { font-size: 24px; font-weight: 800; }
.kpi-label { font-size: 12px; color: var(--texto-suave); margin-top: 4px; }
.kpi-alerta .kpi-valor { color: #dc2626; }
.kpi-ok .kpi-valor { color: #16a34a; }

/* ---------- Avatar / menú de usuario ---------- */
.avatar-usuario {
    width: 38px;
    height: 38px;
    border-radius: 50%;
    background: #eff6ff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    cursor: pointer;
}

/* ---------- Ícono de info por módulo ---------- */
.modulo-tile { position: relative; }
.modulo-info-btn {
    position: absolute;
    top: 6px;
    right: 8px;
    font-size: 13px;
    color: #94a3b8;
    width: 20px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
}