:root{
    --azul:#1e3a5f;
    --azul-claro:#2d5a8c;
    --verde:#1e7d4f;
    --rojo:#b3261e;
    --ambar:#b26a00;
    --fondo:#f4f6f8;
    --tarjeta:#ffffff;
    --borde:#e1e5ea;
    --texto:#1c1f24;
    --texto-suave:#5a6472;
    --sombra:0 1px 3px rgba(0,0,0,0.08), 0 1px 2px rgba(0,0,0,0.04);
  }
  *{box-sizing:border-box;}
  body{
    margin:0;
    font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
    background:var(--fondo);
    color:var(--texto);
  }
  header{
    background:var(--azul);
    color:#fff;
    padding:16px 24px;
    display:flex;
    align-items:center;
    justify-content:space-between;
    flex-wrap:wrap;
    gap:12px;
  }
  header h1{
    font-size:19px;
    margin:0;
    font-weight:600;
    display:flex;
    align-items:center;
    gap:10px;
  }
  header h1 .badge{
    font-size:10px;
    font-weight:700;
    background:var(--ambar);
    color:#fff;
    padding:3px 8px;
    border-radius:10px;
    letter-spacing:.5px;
  }
  .selector{
    display:flex;
    align-items:center;
    gap:8px;
    background:rgba(255,255,255,0.1);
    padding:6px 10px;
    border-radius:8px;
    font-size:13px;
  }
  .selector select, .selector button{
    font-size:13px;
    border-radius:6px;
    border:none;
    padding:6px 10px;
    font-family:inherit;
  }
  .selector button{
    background:#fff;
    color:var(--azul);
    font-weight:600;
    cursor:pointer;
  }
  .selector button.activo{
    background:var(--azul-claro);
    color:#fff;
  }
  main{
    max-width:1100px;
    margin:0 auto;
    padding:24px;
  }
  .cards{
    display:grid;
    grid-template-columns:repeat(auto-fit,minmax(200px,1fr));
    gap:14px;
    margin-bottom:22px;
  }
  .card{
    background:var(--tarjeta);
    border:1px solid var(--borde);
    border-radius:10px;
    padding:16px 18px;
    box-shadow:var(--sombra);
  }
  .card .label{
    font-size:12px;
    color:var(--texto-suave);
    margin-bottom:6px;
    text-transform:uppercase;
    letter-spacing:.4px;
  }
  .card .valor{
    font-size:24px;
    font-weight:700;
  }
  .card .valor.rojo{color:var(--rojo);}
  .card .valor.verde{color:var(--verde);}
  .panel{
    background:var(--tarjeta);
    border:1px solid var(--borde);
    border-radius:10px;
    box-shadow:var(--sombra);
    margin-bottom:20px;
    overflow:hidden;
  }
  .panel-header{
    padding:14px 18px;
    border-bottom:1px solid var(--borde);
    display:flex;
    justify-content:space-between;
    align-items:center;
    flex-wrap:wrap;
    gap:8px;
  }
  .panel-header h2{
    font-size:15px;
    margin:0;
    font-weight:600;
  }
  table{
    width:100%;
    border-collapse:collapse;
    font-size:13.5px;
  }
  th, td{
    text-align:left;
    padding:11px 16px;
    border-bottom:1px solid var(--borde);
  }
  th{
    color:var(--texto-suave);
    font-weight:600;
    font-size:12px;
    text-transform:uppercase;
    letter-spacing:.3px;
    background:#fafbfc;
  }
  tr:last-child td{border-bottom:none;}
  tr.clic{cursor:pointer;}
  tr.clic:hover{background:#f8fafc;}
  .pill{
    display:inline-block;
    padding:3px 10px;
    border-radius:20px;
    font-size:11.5px;
    font-weight:700;
  }
  .pill.aldia{background:#e3f5ea;color:var(--verde);}
  .pill.atrasado{background:#fbe9e7;color:var(--rojo);}
  .btn{
    background:var(--azul);
    color:#fff;
    border:none;
    padding:9px 16px;
    border-radius:7px;
    font-size:13px;
    font-weight:600;
    cursor:pointer;
    font-family:inherit;
  }
  .btn:hover{background:var(--azul-claro);}
  .btn.secundario{
    background:#fff;
    color:var(--azul);
    border:1px solid var(--borde);
  }
  .btn.secundario:hover{background:#f0f3f7;}
  .btn.chico{padding:6px 12px;font-size:12px;}
  .volver{
    background:none;
    border:none;
    color:var(--azul);
    font-size:13px;
    font-weight:600;
    cursor:pointer;
    padding:0 0 14px 0;
    display:inline-flex;
    align-items:center;
    gap:4px;
  }
  .detalle-grid{
    display:grid;
    grid-template-columns:1.3fr 1fr;
    gap:20px;
  }
  @media (max-width:800px){.detalle-grid{grid-template-columns:1fr;}}
  .info-lista{list-style:none;margin:0;padding:0;}
  .info-lista li{
    display:flex;
    justify-content:space-between;
    padding:9px 0;
    border-bottom:1px solid var(--borde);
    font-size:13.5px;
  }
  .info-lista li:last-child{border-bottom:none;}
  .info-lista .k{color:var(--texto-suave);}
  .info-lista .v{font-weight:600;text-align:right;}
  form.pago-form{padding:16px 18px;display:grid;gap:12px;grid-template-columns:1fr 1fr;}
  form.pago-form .full{grid-column:1/-1;}
  form.pago-form label{
    font-size:12px;
    font-weight:600;
    color:var(--texto-suave);
    display:block;
    margin-bottom:5px;
  }
  form.pago-form input, form.pago-form select, form.pago-form textarea{
    width:100%;
    padding:9px 10px;
    border:1px solid var(--borde);
    border-radius:6px;
    font-size:13.5px;
    font-family:inherit;
  }
  .metodo-tag{
    display:inline-block;
    padding:2px 8px;
    border-radius:5px;
    font-size:11.5px;
    font-weight:600;
    background:#eef2f7;
    color:var(--azul);
  }
  footer{
    text-align:center;
    padding:24px;
    font-size:12px;
    color:var(--texto-suave);
  }
  .aviso{
    background:#fff8e6;
    border:1px solid #f0dca0;
    color:#7a5b00;
    padding:10px 16px;
    border-radius:8px;
    font-size:12.5px;
    margin-bottom:18px;
  }
  .toast{
    position:fixed;
    bottom:24px;
    left:50%;
    transform:translateX(-50%);
    background:var(--azul);
    color:#fff;
    padding:12px 20px;
    border-radius:8px;
    font-size:13.5px;
    box-shadow:0 4px 14px rgba(0,0,0,0.2);
    opacity:0;
    pointer-events:none;
    transition:opacity .25s;
    z-index:50;
  }
  .toast.mostrar{opacity:1;}
  .empty{padding:30px;text-align:center;color:var(--texto-suave);font-size:13.5px;}
  .campana{
    position:relative;
    background:rgba(255,255,255,0.15);
    border:none;
    color:#fff;
    width:34px;
    height:34px;
    border-radius:8px;
    font-size:16px;
    cursor:pointer;
    display:flex;
    align-items:center;
    justify-content:center;
  }
  .campana .contador{
    position:absolute;
    top:-5px;
    right:-5px;
    background:var(--rojo);
    color:#fff;
    font-size:10px;
    font-weight:700;
    min-width:16px;
    height:16px;
    border-radius:8px;
    display:flex;
    align-items:center;
    justify-content:center;
    padding:0 3px;
  }
  .chat-badge{
    display:inline-flex;
    align-items:center;
    gap:3px;
    background:var(--rojo);
    color:#fff;
    font-size:10.5px;
    font-weight:700;
    padding:2px 7px;
    border-radius:10px;
    margin-left:6px;
  }
  .tag-nuevo{
    display:inline-block;
    background:var(--rojo);
    color:#fff;
    font-size:10px;
    font-weight:700;
    padding:2px 7px;
    border-radius:8px;
    margin-left:6px;
    vertical-align:middle;
  }
  .aviso.info{background:#e8f1fb;border-color:#b9d6f2;color:var(--azul);}
  .aviso.exito{background:#e3f5ea;border-color:#b7e3c8;color:var(--verde);}
  .hilo-mensajes{
    max-height:320px;
    overflow-y:auto;
    padding:16px 18px;
    display:flex;
    flex-direction:column;
    gap:10px;
  }
  .msg{
    max-width:78%;
    padding:9px 13px;
    border-radius:12px;
    font-size:13.5px;
    line-height:1.4;
  }
  .msg .hora{display:block;font-size:10.5px;opacity:.65;margin-top:4px;}
  .msg.admin{
    align-self:flex-end;
    background:var(--azul);
    color:#fff;
    border-bottom-right-radius:3px;
  }
  .msg.inquilino{
    align-self:flex-start;
    background:#eef1f5;
    color:var(--texto);
    border-bottom-left-radius:3px;
  }
  form.mensaje-form{
    display:flex;
    gap:10px;
    padding:14px 18px;
    border-top:1px solid var(--borde);
  }
  form.mensaje-form input{
    flex:1;
    padding:9px 12px;
    border:1px solid var(--borde);
    border-radius:20px;
    font-size:13.5px;
    font-family:inherit;
  }
  form.mensaje-form button{
    border-radius:20px;
    padding:9px 18px;
  }
  .campo-oculto{display:none;}
  @media print{
    header,.selector,.btn,.volver,.aviso,footer,.no-imprimir{display:none !important;}
    main{max-width:100%;}
  }

/* --- Estilos adicionales para páginas de login y estructura general --- */
.pagina-centrada{
  min-height:100vh;
  display:flex;
  align-items:center;
  justify-content:center;
  padding:24px;
}
.caja-login{
  background:var(--tarjeta);
  border:1px solid var(--borde);
  border-radius:12px;
  box-shadow:var(--sombra);
  padding:32px;
  max-width:380px;
  width:100%;
  text-align:center;
}
.caja-login h1{
  font-size:18px;
  color:var(--azul);
  margin:0 0 6px 0;
}
.caja-login p.subtitulo{
  font-size:13px;
  color:var(--texto-suave);
  margin:0 0 22px 0;
}
.caja-login input[type="email"], .caja-login input[type="password"]{
  width:100%;
  padding:11px 12px;
  border:1px solid var(--borde);
  border-radius:7px;
  font-size:14px;
  margin-bottom:14px;
  font-family:inherit;
}
.caja-login .btn{width:100%;}
.opciones-inicio{
  display:flex;
  flex-direction:column;
  gap:12px;
  margin-top:10px;
}
.error-msg{
  background:#fbe9e7;
  color:var(--rojo);
  padding:9px 12px;
  border-radius:7px;
  font-size:12.5px;
  margin-bottom:14px;
  text-align:left;
}
.exito-msg{
  background:#e3f5ea;
  color:var(--verde);
  padding:14px;
  border-radius:8px;
  font-size:13.5px;
  text-align:left;
  line-height:1.5;
}
a.enlace-sutil{
  color:var(--texto-suave);
  font-size:12.5px;
  text-decoration:none;
}
a.enlace-sutil:hover{text-decoration:underline;}