:root {
  --naranja: #ff7f00;
  --naranja-osc: #e06f00;
  --naranja-suave: #fff3e6;
  --carbon: #323232;
  --carbon-2: #444;
  --fondo: #f4f5f7;
  --tarjeta: #fff;
  --borde: #e2e4e8;
  --texto: #222;
  --suave: #6b7280;
  --ok: #15803d;   --ok-bg: #dcfce7;
  --aviso: #a16207; --aviso-bg: #fef3c7;
  --mal: #b91c1c;  --mal-bg: #fee2e2;
  --info: #1d4ed8; --info-bg: #dbeafe;
  --radio: 10px;
}
* { box-sizing: border-box; }
[hidden] { display: none !important; }
html, body { margin: 0; }
body { font: 15px/1.45 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; background: var(--fondo); color: var(--texto); }
a { color: var(--naranja-osc); }
h1 { font-size: 1.45rem; margin: 0; }
h2 { font-size: 1.1rem; margin: 0 0 .75rem; }
h3 { font-size: 1rem; margin: 0 0 .5rem; }
.sub { color: var(--suave); margin: .2rem 0 0; }
.muted { color: var(--suave); font-size: .88em; }
.num { text-align: right; white-space: nowrap; font-variant-numeric: tabular-nums; }
.nowrap { white-space: nowrap; }

/* ---------- Estructura ---------- */
.topbar { position: sticky; top: 0; z-index: 30; display: flex; align-items: center; gap: .75rem;
  background: var(--carbon); color: #fff; padding: .55rem 1rem; height: 54px; }
.topbar .marca { display: flex; align-items: center; gap: .5rem; color: #fff; text-decoration: none; font-weight: 700; }
.topbar .usuario { margin-left: auto; font-size: .85rem; color: #ddd; display: flex; align-items: center; gap: .5rem; white-space: nowrap; }
@media (max-width: 600px) { .topbar .usuario-nombre { display: none; } }
.topbar .usuario a { color: var(--naranja); }
.menu-btn { background: none; border: 0; color: #fff; font-size: 1.4rem; cursor: pointer; padding: 0 .25rem; }
.contenedor { display: flex; min-height: calc(100vh - 54px); }
.sidebar { width: 230px; background: #2a2a2a; padding: .75rem .5rem; flex-shrink: 0; }
.sidebar a { display: flex; align-items: center; gap: .6rem; color: #ddd; text-decoration: none; padding: .55rem .75rem;
  border-radius: 8px; margin-bottom: 2px; font-size: .93rem; }
.sidebar a:hover { background: #3a3a3a; color: #fff; }
.sidebar a.activo { background: var(--naranja); color: #fff; font-weight: 600; }
.nav-ico { width: 1.3rem; text-align: center; }
.principal { flex: 1; min-width: 0; padding: 1.25rem; max-width: 1280px; }
.velo { display: none; }
@media (max-width: 900px) {
  .sidebar { position: fixed; top: 54px; bottom: 0; left: 0; z-index: 25; transform: translateX(-100%); transition: transform .2s; overflow-y: auto; }
  body.menu-abierto .sidebar { transform: none; }
  body.menu-abierto .velo { display: block; position: fixed; inset: 54px 0 0 0; background: rgba(0,0,0,.35); z-index: 20; }
  .principal { padding: 1rem; }
  .topbar .marca span { display: none; }
}
@media (min-width: 901px) { .menu-btn { display: none; } }

/* ---------- Componentes ---------- */
.encabezado { display: flex; flex-wrap: wrap; align-items: flex-end; justify-content: space-between; gap: .75rem; margin-bottom: 1rem; }
.acciones { display: flex; flex-wrap: wrap; gap: .5rem; }
.card { background: var(--tarjeta); border: 1px solid var(--borde); border-radius: var(--radio); padding: 1rem; margin-bottom: 1rem; }
.card-titulo { display: flex; justify-content: space-between; align-items: center; gap: .5rem; margin-bottom: .75rem; flex-wrap: wrap; }
.card-titulo h2 { margin: 0; }
.grid-2 { display: grid; grid-template-columns: 1fr; gap: 1rem; }
@media (min-width: 1000px) { .grid-2 { grid-template-columns: 1fr 1fr; } }
.grid-2 > .card { margin-bottom: 0; }

.kpis { display: grid; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); gap: .75rem; margin-bottom: 1rem; }
.kpi { background: var(--tarjeta); border: 1px solid var(--borde); border-radius: var(--radio); padding: .85rem 1rem; border-left: 4px solid var(--naranja); }
.kpi .v { font-size: 1.35rem; font-weight: 700; margin-top: .15rem; }
.kpi .l { color: var(--suave); font-size: .82rem; }
.kpi.mal { border-left-color: var(--mal); } .kpi.mal .v { color: var(--mal); }
.kpi.ok { border-left-color: var(--ok); }

.btn { display: inline-flex; align-items: center; gap: .35rem; border: 1px solid var(--naranja); background: var(--naranja); color: #fff;
  padding: .5rem .9rem; border-radius: 8px; font: inherit; font-weight: 600; cursor: pointer; text-decoration: none; line-height: 1.2; }
.btn:hover { background: var(--naranja-osc); }
.btn-sec { background: #fff; color: var(--carbon); border-color: var(--borde); }
.btn-sec:hover { background: #f3f4f6; }
.btn-peligro { background: #fff; color: var(--mal); border-color: #fca5a5; }
.btn-peligro:hover { background: var(--mal-bg); }
.btn-sm { padding: .3rem .55rem; font-size: .82rem; }
.btn-wa { background: #25d366; border-color: #25d366; }
.btn-wa:hover { background: #1fb457; }
.btn-wa-web { background: #128c7e; border-color: #128c7e; }
.btn-wa-web:hover { background: #0e6f64; }
.wa-grupo { display: inline-flex; flex-wrap: wrap; gap: .35rem; }
.ico { width: 1.05em; height: 1.05em; }

.badge { display: inline-block; padding: .12rem .5rem; border-radius: 999px; font-size: .76rem; font-weight: 600; background: #eef0f3; color: var(--carbon-2); white-space: nowrap; }
.badge.ok { background: var(--ok-bg); color: var(--ok); }
.badge.aviso { background: var(--aviso-bg); color: var(--aviso); }
.badge.mal { background: var(--mal-bg); color: var(--mal); }
.badge.info { background: var(--info-bg); color: var(--info); }
.badge.naranja { background: var(--naranja-suave); color: var(--naranja-osc); }
.badge.gris { background: #eef0f3; color: var(--suave); }

.alerta { padding: .7rem 1rem; border-radius: 8px; margin-bottom: 1rem; border: 1px solid; }
.alerta-ok { background: var(--ok-bg); color: var(--ok); border-color: #86efac; }
.alerta-error { background: var(--mal-bg); color: var(--mal); border-color: #fca5a5; }
.alerta-info { background: var(--info-bg); color: var(--info); border-color: #93c5fd; }
.alerta-aviso { background: var(--aviso-bg); color: var(--aviso); border-color: #fcd34d; }

/* ---------- Tablas ---------- */
.tabla-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; }
table.tabla { width: 100%; border-collapse: collapse; font-size: .9rem; }
.tabla th { text-align: left; font-size: .76rem; text-transform: uppercase; letter-spacing: .03em; color: var(--suave); font-weight: 600;
  padding: .5rem .6rem; border-bottom: 2px solid var(--borde); white-space: nowrap; }
.tabla td { padding: .55rem .6rem; border-bottom: 1px solid var(--borde); vertical-align: middle; }
.tabla tr:hover td { background: #fafafa; }
.tabla tfoot td { font-weight: 700; border-top: 2px solid var(--borde); }
.tabla .acc { white-space: nowrap; text-align: right; }
.tabla .acc > * { margin-left: .2rem; }
.vacio { text-align: center; color: var(--suave); padding: 1.5rem !important; }
tr.fila-mal td { background: #fff7f7; }

/* ---------- Formularios ---------- */
.form-grid { display: grid; grid-template-columns: 1fr; gap: .8rem 1rem; }
@media (min-width: 700px) { .form-grid { grid-template-columns: repeat(2, 1fr); } .form-grid.c3 { grid-template-columns: repeat(3, 1fr); } }
.form-grid .ancho { grid-column: 1 / -1; }
label { display: block; font-size: .84rem; font-weight: 600; color: var(--carbon-2); margin-bottom: .25rem; }
input, select, textarea { width: 100%; font: inherit; padding: .5rem .65rem; border: 1px solid #cfd3da; border-radius: 8px; background: #fff; color: var(--texto); }
input:focus, select:focus, textarea:focus { outline: 2px solid var(--naranja); outline-offset: -1px; border-color: var(--naranja); }
textarea { min-height: 80px; resize: vertical; }
input[type=checkbox] { width: auto; }
.ayuda { font-size: .78rem; color: var(--suave); margin-top: .2rem; }
.form-acciones { display: flex; gap: .5rem; flex-wrap: wrap; margin-top: 1rem; }
.filtros { display: flex; flex-wrap: wrap; gap: .5rem; align-items: flex-end; margin-bottom: 1rem; }
.filtros > div { min-width: 140px; }
.filtros input, .filtros select { padding: .42rem .55rem; }
fieldset { border: 1px solid var(--borde); border-radius: var(--radio); padding: .75rem 1rem 1rem; margin: 0; }
legend { font-weight: 700; padding: 0 .35rem; color: var(--naranja-osc); }
.input-grande { font-size: 1.3rem; font-weight: 700; }
.soporte-zona { border: 2px dashed #cfd3da; border-radius: var(--radio); padding: .75rem; background: #fafafa; }
.soporte-zona.activa { border-color: var(--naranja); background: var(--naranja-suave); }
.soporte-preview { display: block; max-width: 100%; max-height: 240px; margin-top: .6rem; border-radius: 8px; border: 1px solid var(--borde); }
.soporte-preview[hidden] { display: none; }
.soporte-guardado { max-width: 100%; max-height: 420px; border-radius: 8px; border: 1px solid var(--borde); }

.tabs { display: flex; gap: .25rem; border-bottom: 2px solid var(--borde); margin-bottom: 1rem; overflow-x: auto; }
.tabs a { padding: .55rem .9rem; text-decoration: none; color: var(--suave); font-weight: 600; border-bottom: 3px solid transparent; margin-bottom: -2px; white-space: nowrap; }
.tabs a.activo { color: var(--naranja-osc); border-bottom-color: var(--naranja); }

.datos { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: .6rem 1rem; }
.datos div span { display: block; font-size: .76rem; color: var(--suave); text-transform: uppercase; letter-spacing: .03em; }
.datos div b { font-weight: 600; }
.lista-alertas { list-style: none; margin: 0; padding: 0; }
.lista-alertas li { display: flex; justify-content: space-between; align-items: center; gap: .5rem; padding: .55rem 0; border-bottom: 1px solid var(--borde); flex-wrap: wrap; }
.lista-alertas li:last-child { border-bottom: 0; }

/* ---------- Login ---------- */
.login-caja { max-width: 380px; margin: 8vh auto; background: #fff; border: 1px solid var(--borde); border-radius: 14px; padding: 2rem; }
.login-caja .logo { text-align: center; margin-bottom: 1rem; }

/* ---------- Recibo de pago ---------- */
.recibo-barra { display: flex; flex-wrap: wrap; gap: .5rem; align-items: center; margin-bottom: 1rem; }
.recibo { background: #fff; max-width: 780px; margin: 0 auto 1rem; border: 1px solid var(--borde); border-radius: 12px; padding: 1.75rem; position: relative; }
.recibo-cab { display: flex; justify-content: space-between; gap: 1rem; align-items: flex-start; border-bottom: 3px solid var(--naranja); padding-bottom: 1rem; margin-bottom: 1rem; flex-wrap: wrap; }
.recibo-cab .emisor { font-size: .88rem; color: var(--carbon-2); }
.recibo-cab .emisor b { font-size: 1.1rem; color: var(--texto); display: block; }
.recibo-num { text-align: right; }
.recibo-num .t { font-size: .8rem; text-transform: uppercase; letter-spacing: .08em; color: var(--suave); }
.recibo-num .n { font-size: 1.5rem; font-weight: 800; color: var(--naranja-osc); }
.recibo-valor { background: var(--naranja-suave); border-radius: 10px; padding: .9rem 1rem; margin: 1rem 0; }
.recibo-valor .v { font-size: 1.7rem; font-weight: 800; }
.recibo-valor .letras { font-size: .85rem; color: var(--carbon-2); }
.recibo .firma { margin-top: 2.5rem; display: flex; justify-content: space-between; gap: 2rem; flex-wrap: wrap; }
.recibo .firma div { border-top: 1px solid #999; padding-top: .3rem; min-width: 220px; font-size: .85rem; color: var(--suave); }
.sello-anulado { position: absolute; top: 40%; left: 50%; transform: translate(-50%, -50%) rotate(-18deg); font-size: 4rem; font-weight: 900;
  color: rgba(185, 28, 28, .25); border: 6px solid rgba(185, 28, 28, .25); padding: 0 1.5rem; border-radius: 12px; pointer-events: none; }
.pie-publico { text-align: center; color: var(--suave); font-size: .8rem; margin: 1rem 0 2rem; }
@media (max-width: 600px) {
  .recibo { padding: 1rem; }
  .recibo-num { text-align: left; }
  .recibo-valor .v { font-size: 1.4rem; }
  .recibo .firma div { min-width: 0; flex: 1 1 100%; }
}

@media print {
  .no-print, .topbar, .sidebar, .recibo-barra, .alerta { display: none !important; }
  body { background: #fff; }
  .principal { padding: 0; max-width: none; }
  .recibo { border: 0; padding: 0; max-width: none; }
  .card { border: 0; padding: 0; }
  a { color: inherit; text-decoration: none; }
}