/* ============================================================
   OFINET ERP — sistema de diseño compartido (v2, moderno/claro)
   Usado por /admin, /empresa y las pantallas de autenticación.
   Paleta: gris muy claro + acento índigo, tipografía sans en todo
   el sistema (sin serif), esquinas más redondeadas, sombras suaves.
   ============================================================ */

:root{
  --bg:#f7f8fa; --plano:#eef0f4; --surface:#ffffff; --surface-2:#f2f4f7;
  --ink-1:#12141a; --ink-2:#5b6472; --ink-muted:#8a93a3;
  --border:rgba(18,20,26,0.08); --border-strong:rgba(18,20,26,0.16);
  --accent:#4f46e5; --accent-ink:#3730a3; --accent-soft:#eef2ff;

  /* Paleta de estado (fija, no se tematiza) — coherente entre light/dark */
  --good:#16a34a;      --good-bg:#dcfce7;
  --warning:#d97706;   --warning-bg:#fef3c7;
  --serious:#ea580c;   --serious-bg:#ffedd5;
  --critical:#dc2626;  --critical-bg:#fee2e2;
  --muted-status:#6b7280; --muted-status-bg:#e5e7eb;

  --shadow: 0 1px 2px rgba(16,24,40,0.04), 0 4px 16px -4px rgba(16,24,40,0.08);
  --radio: 14px;
}
@media (prefers-color-scheme: dark){
  :root{
    --bg:#0b0d12; --plano:#06070a; --surface:#12141b; --surface-2:#181b23;
    --ink-1:#f1f3f7; --ink-2:#a8b0bd; --ink-muted:#6b7280;
    --border:rgba(255,255,255,0.08); --border-strong:rgba(255,255,255,0.16);
    --accent:#818cf8; --accent-ink:#c7d2fe; --accent-soft:rgba(129,140,248,0.14);

    --good:#4ade80;      --good-bg:rgba(74,222,128,0.14);
    --warning:#fbbf24;   --warning-bg:rgba(251,191,36,0.14);
    --serious:#fb923c;   --serious-bg:rgba(251,146,60,0.14);
    --critical:#f87171;  --critical-bg:rgba(248,113,113,0.16);
    --muted-status:#9ca3af; --muted-status-bg:rgba(156,163,175,0.14);

    --shadow: 0 1px 2px rgba(0,0,0,0.3), 0 8px 28px -12px rgba(0,0,0,0.6);
  }
}

*{ box-sizing:border-box; }
html,body{ margin:0; padding:0; }
body{
  background:var(--bg); color:var(--ink-1);
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  line-height:1.55; font-size:15.5px;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{ font-family:inherit; font-weight:700; letter-spacing:-0.01em; margin:0; text-wrap:balance; }
a{ color:var(--accent); text-decoration:none; }
a:hover{ text-decoration:underline; }
code, .mono{ font-family:ui-monospace,SFMono-Regular,Consolas,Menlo,monospace; font-variant-numeric:tabular-nums; }

/* ---------- Pantallas de autenticación (login) ---------- */
.centro-pantalla{ min-height:100vh; display:flex; align-items:center; justify-content:center; padding:24px; background:var(--plano); }
.tarjeta{ background:var(--surface); border:1px solid var(--border); border-radius:var(--radio); box-shadow:var(--shadow); padding:36px; width:100%; max-width:380px; }
.tarjeta .marca{ font-size:12.5px; letter-spacing:0.08em; text-transform:uppercase; color:var(--accent); font-weight:700; margin-bottom:8px; }
.tarjeta h1{ font-size:22px; margin-bottom:22px; }

/* ---------- Formularios ---------- */
.campo{ margin-bottom:16px; }
.campo label{ display:block; font-size:13px; font-weight:600; color:var(--ink-2); margin-bottom:6px; }
.campo .ayuda{ font-size:12px; color:var(--ink-muted); margin-top:4px; }
.campo input, .campo select, .campo textarea{
  width:100%; padding:10px 12px; border-radius:10px; border:1px solid var(--border-strong);
  background:var(--surface); color:var(--ink-1); font-size:15px; font-family:inherit;
}
.campo textarea{ resize:vertical; min-height:80px; }
.campo input:focus, .campo select:focus, .campo textarea:focus{ outline:2px solid var(--accent); outline-offset:1px; border-color:var(--accent); }
.campo.con-error input, .campo.con-error select, .campo.con-error textarea{ border-color:var(--critical); background:var(--critical-bg); }
.campo .error-campo{ color:var(--critical); font-size:12.5px; margin-top:5px; font-weight:600; }
.fila-campos{ display:grid; grid-template-columns:repeat(auto-fit, minmax(180px, 1fr)); gap:0 16px; }

.boton{
  display:inline-flex; align-items:center; justify-content:center; gap:8px;
  padding:10px 18px; border:none; border-radius:10px; cursor:pointer;
  background:var(--accent); color:#fff; font-size:14.5px; font-weight:600; font-family:inherit;
  box-shadow:0 1px 2px rgba(79,70,229,0.24);
}
.boton:hover{ filter:brightness(1.08); }
.boton-bloque{ width:100%; }
.boton-secundario{ background:var(--surface); color:var(--ink-1); border:1px solid var(--border-strong); box-shadow:none; }
.boton-fantasma{ background:transparent; color:var(--accent); padding:10px 12px; box-shadow:none; }
.boton-peligro{ background:var(--critical); color:#fff; box-shadow:0 1px 2px rgba(220,38,38,0.24); }
.boton-chico{ padding:6px 12px; font-size:13px; }

/* ---------- Alertas ---------- */
.alerta{ border-radius:12px; padding:12px 16px; font-size:14px; margin-bottom:16px; border:1px solid transparent; }
.alerta-error{ background:var(--critical-bg); color:var(--critical); }
.alerta-exito{ background:var(--good-bg); color:var(--good); }
.alerta-info{ background:var(--accent-soft); color:var(--accent-ink); }

/* ---------- Layout de aplicación: sidebar + contenido ---------- */
.app-shell{ display:flex; min-height:100vh; background:var(--plano); }
.app-sidebar{
  width:232px; flex-shrink:0; background:var(--surface); border-right:1px solid var(--border);
  display:flex; flex-direction:column; position:sticky; top:0; height:100vh;
}
.app-sidebar .marca{ font-weight:800; font-size:17px; padding:22px 22px 6px; letter-spacing:-0.01em; }
.app-sidebar .subtitulo-marca{ font-size:11.5px; color:var(--ink-muted); padding:0 22px 18px; letter-spacing:0.03em; text-transform:uppercase; }
.app-nav{ display:flex; flex-direction:column; gap:2px; padding:8px 12px; flex:1; }
.app-nav a{
  display:flex; align-items:center; gap:10px; padding:9px 12px; border-radius:10px;
  color:var(--ink-2); font-size:14px; font-weight:600;
}
.app-nav a:hover{ background:var(--surface-2); text-decoration:none; }
.app-nav a.activo{ background:var(--accent-soft); color:var(--accent-ink); }
.app-sidebar-pie{ padding:16px 22px; border-top:1px solid var(--border); font-size:12.5px; color:var(--ink-muted); }

.app-content{ flex:1; min-width:0; display:flex; flex-direction:column; }
.app-topbar{
  display:flex; align-items:center; justify-content:space-between;
  padding:16px 32px; border-bottom:1px solid var(--border); background:var(--surface);
}
.app-topbar h1{ font-size:19px; }
.app-topbar .usuario{ font-size:13.5px; color:var(--ink-2); display:flex; align-items:center; gap:14px; }
.app-main{ flex:1; padding:32px; max-width:1120px; width:100%; margin:0 auto; }

.chip-rol{ background:var(--accent-soft); color:var(--accent-ink); border-radius:100px; padding:3px 11px; font-size:11px; font-weight:700; text-transform:uppercase; letter-spacing:0.03em; }

/* ---------- Paneles / tarjetas de contenido ---------- */
.panel{ background:var(--surface); border:1px solid var(--border); border-radius:var(--radio); padding:22px 24px; box-shadow:var(--shadow); }
.panel + .panel{ margin-top:16px; }
.panel-cabecera{ display:flex; align-items:center; justify-content:space-between; gap:16px; margin-bottom:16px; flex-wrap:wrap; }
.panel-cabecera h2{ font-size:17px; }
.texto-mudo{ color:var(--ink-muted); font-size:13.5px; }

/* ---------- Estadísticas ---------- */
.stats{ display:grid; grid-template-columns:repeat(auto-fit, minmax(160px,1fr)); gap:12px; margin-bottom:20px; }
.stat{ background:var(--surface); border:1px solid var(--border); border-radius:var(--radio); padding:16px 18px; }
.stat .n{ font-size:26px; font-weight:800; line-height:1; font-variant-numeric:tabular-nums; }
.stat .lbl{ margin-top:6px; font-size:12px; color:var(--ink-2); }

/* ---------- Tablas ---------- */
.twrap{ overflow-x:auto; border:1px solid var(--border); border-radius:var(--radio); }
table{ width:100%; border-collapse:collapse; font-size:14px; }
th{ text-align:left; font-size:11px; letter-spacing:0.04em; text-transform:uppercase; color:var(--ink-muted); font-weight:700; padding:10px 14px; border-bottom:1px solid var(--border); background:var(--surface-2); white-space:nowrap; }
td{ padding:11px 14px; border-bottom:1px solid var(--border); color:var(--ink-2); vertical-align:middle; }
tr:last-child td{ border-bottom:none; }
td.title{ color:var(--ink-1); font-weight:600; }
.tabla-vacia{ padding:32px; text-align:center; color:var(--ink-muted); font-size:14px; }

/* ---------- Insignias de estado (documentos, cuotas, tickets...) ---------- */
.badge{ display:inline-flex; align-items:center; gap:5px; font-size:11.5px; font-weight:700; letter-spacing:0.02em; padding:3px 10px; border-radius:100px; white-space:nowrap; }
.badge-good{ background:var(--good-bg); color:var(--good); }
.badge-warning{ background:var(--warning-bg); color:var(--warning); }
.badge-serious{ background:var(--serious-bg); color:var(--serious); }
.badge-critical{ background:var(--critical-bg); color:var(--critical); }
.badge-muted{ background:var(--muted-status-bg); color:var(--muted-status); }