* { box-sizing: border-box; }
body { margin: 0; font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  color: #1f2933; background: #f4f6f8; }
a { color: #1c6dd0; }

.barra { display: flex; align-items: center; gap: 12px; padding: 10px 18px;
  background: #1f2933; color: #fff; }
.barra .marca { color: #fff; text-decoration: none; font-weight: 600; }
.barra .sep { opacity: .7; }
.barra .crece { flex: 1; }
.barra .quien { opacity: .85; font-size: 14px; }
.barra .link { background: none; border: 1px solid #4b5563; color: #fff; border-radius: 6px;
  padding: 4px 10px; cursor: pointer; }

.contenedor, .contenido { max-width: 1100px; margin: 22px auto; padding: 0 18px; }
.cab-seccion { display: flex; align-items: center; justify-content: space-between; margin-bottom: 14px; }
h2 { font-size: 20px; margin: 0; }

.tabla { width: 100%; border-collapse: collapse; background: #fff; border-radius: 10px; overflow: hidden;
  box-shadow: 0 1px 3px rgba(0,0,0,.08); }
.tabla th, .tabla td { text-align: left; padding: 9px 12px; border-bottom: 1px solid #eceff1; font-size: 14px; }
.tabla th { background: #f0f3f6; font-weight: 600; }
.tabla tr:last-child td { border-bottom: none; }
.derecha, td.derecha { text-align: right; white-space: nowrap; }

button.primario, .primario { background: #1c6dd0; color: #fff; border: none; border-radius: 8px;
  padding: 8px 14px; cursor: pointer; font-size: 14px; }
button.primario:hover { background: #175bb0; }
button.link { background: none; border: none; color: #1c6dd0; cursor: pointer; font-size: 14px; padding: 2px 6px; }
button.link.peligro { color: #c0392b; }

.tarjeta { background: #fff; border-radius: 10px; padding: 16px; box-shadow: 0 1px 3px rgba(0,0,0,.08);
  margin-bottom: 18px; }
.form-crud { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; }
.form-crud h3 { grid-column: 1 / -1; margin: 0 0 4px; }
.form-crud label { display: flex; flex-direction: column; gap: 4px; font-size: 13px; }
.form-crud input, .form-crud select { padding: 7px 9px; border: 1px solid #cfd8dc; border-radius: 7px; font-size: 14px; }
.form-crud .acciones { grid-column: 1 / -1; display: flex; gap: 10px; }

.rejilla-tarjetas { display: grid; grid-template-columns: repeat(auto-fill, minmax(230px, 1fr)); gap: 14px; }
.rejilla-tarjetas a { display: block; background: #fff; border-radius: 12px; padding: 18px; text-decoration: none;
  color: #1f2933; box-shadow: 0 1px 3px rgba(0,0,0,.08); }
.rejilla-tarjetas a:hover { box-shadow: 0 3px 10px rgba(0,0,0,.12); }
.rejilla-tarjetas h3 { margin: 0 0 6px; font-size: 16px; }
.rejilla-tarjetas p { margin: 0; font-size: 13px; color: #607d8b; }

.toast { position: fixed; bottom: 20px; left: 50%; transform: translateX(-50%);
  background: #263238; color: #fff; padding: 10px 18px; border-radius: 8px; font-size: 14px; z-index: 50; }
.toast.err { background: #c0392b; }

.login-caja { max-width: 340px; margin: 12vh auto; background: #fff; padding: 26px; border-radius: 14px;
  box-shadow: 0 4px 20px rgba(0,0,0,.12); }
.login-caja h1 { font-size: 19px; margin: 0 0 16px; }
.login-caja input { width: 100%; padding: 10px; margin-bottom: 12px; border: 1px solid #cfd8dc; border-radius: 8px; font-size: 15px; }
.login-caja button { width: 100%; }
.error { color: #c0392b; font-size: 14px; margin-top: 8px; }
.aviso { background: #fff8e1; border: 1px solid #ffe082; border-radius: 8px; padding: 10px 12px; font-size: 13px; }
.ok-chip { color: #1b5e20; } .mal-chip { color: #b71c1c; }
.filtros { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 14px; }
.filtros input, .filtros select { padding: 7px 9px; border: 1px solid #cfd8dc; border-radius: 7px; }