/* ============================================================================
   @offal/ui · componentes.css
   Primitivas: botón, campos de formulario, pestañas, chips, panel.
   ============================================================================ */

/* --- botón --- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  min-height: var(--tap); padding: 0 18px;
  border-radius: var(--radius-s); border: 1px solid var(--line-2);
  background: var(--panel-2); color: var(--text);
  font: inherit; font-size: var(--fs-m); font-weight: 700;
  cursor: pointer; text-decoration: none; white-space: nowrap;
  transition: border-color 0.15s, background 0.15s, opacity 0.15s;
}
.btn:hover { border-color: var(--primary); }
.btn svg { width: 18px; height: 18px; flex-shrink: 0; }
.btn-primario { background: var(--primary); border-color: var(--primary); color: var(--sobre-primary); }
.btn-primario:hover { background: var(--primary-bright); border-color: var(--primary-bright); }
.btn-fantasma { background: transparent; border-color: transparent; color: var(--primary-bright); }
.btn-fantasma:hover { background: rgba(178, 119, 70, 0.12); border-color: transparent; }
.btn-peligro { background: transparent; border-color: rgba(226, 87, 78, 0.5); color: var(--danger-txt); }
.btn-peligro:hover { background: rgba(226, 87, 78, 0.12); border-color: var(--danger); }
.btn-icono { width: var(--tap); padding: 0; border-radius: var(--radius-pill); }
.btn-grande { min-height: var(--tap-l); font-size: var(--fs-l); padding: 0 24px; }
.btn-chico { min-height: 36px; padding: 0 10px; font-size: var(--fs-s); }   /* sólo dentro de tablas y cabeceras de panel */
.btn:disabled { opacity: 0.45; cursor: not-allowed; }
.btn.cargando { position: relative; color: transparent; pointer-events: none; }
.btn.cargando::after {
  content: ""; position: absolute; width: 18px; height: 18px;
  border: 2px solid rgba(255, 255, 255, 0.4); border-top-color: #fff; border-radius: 50%;
  animation: ui-gira 0.8s linear infinite;
}

/* --- campos --- */
.campo-grupo { display: flex; flex-direction: column; gap: 6px; min-width: 0; }
.campo-etq { font-size: var(--fs-s); font-weight: 600; color: var(--text); }
.campo-etq .req { color: var(--danger-txt); }
.campo {
  width: 100%; min-height: 48px; padding: 0 14px;
  font: inherit; font-size: var(--fs-l);   /* 16px: con menos, iOS hace zoom al enfocar */
  color: var(--text); background: var(--bg-2);
  border: 1px solid var(--line-2); border-radius: var(--radius-s);
}
.campo::placeholder { color: var(--muted-2); }
.campo.mono { font-family: var(--mono); }
textarea.campo { min-height: 96px; padding: 12px 14px; resize: vertical; }
select.campo {
  appearance: none; padding-right: 40px;
  background-image: linear-gradient(45deg, transparent 50%, var(--muted) 50%), linear-gradient(135deg, var(--muted) 50%, transparent 50%);
  background-position: calc(100% - 20px) 50%, calc(100% - 14px) 50%;
  background-size: 6px 6px; background-repeat: no-repeat;
}
.campo-ayuda { font-size: var(--fs-xs); color: var(--muted); }
.campo-grupo.es-error .campo { border-color: var(--danger); }
.campo-grupo.es-error .campo-ayuda { color: var(--danger-txt); }
.opcion { display: flex; align-items: center; gap: 10px; min-height: var(--tap); font-size: var(--fs-m); cursor: pointer; }
.opcion input { width: 22px; height: 22px; accent-color: var(--primary); margin: 0; }

.form-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--sp-4); }
.form-grid .ancho { grid-column: 1 / -1; }
.form-acciones { display: flex; justify-content: flex-end; gap: 10px; flex-wrap: wrap; margin-top: var(--sp-5); }

/* --- pestañas --- */
.tabs { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: clamp(16px, 3vw, 22px); }
.tab {
  font: inherit; font-size: var(--fs-s); font-weight: 700; color: var(--muted);
  background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius-pill);
  min-height: var(--tap); padding: 0 20px; cursor: pointer;
  transition: color 0.15s, background 0.15s, border-color 0.15s;
}
.tab:hover { color: var(--text); border-color: var(--primary); }
.tab.on { background: var(--primary); color: var(--sobre-primary); border-color: var(--primary); }

/* --- chips de estado (punto de color + color de texto: se distinguen también en gris) --- */
.chip {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: var(--fs-xs); font-weight: 700; padding: 4px 10px;
  border-radius: var(--radius-pill); border: 1px solid var(--line-2);
  color: var(--muted); background: var(--panel-2); white-space: nowrap;
}
.chip::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: currentColor; }
.chip-ok { color: var(--success-txt); border-color: rgba(47, 158, 110, 0.45); background: rgba(47, 158, 110, 0.12); }
.chip-mal { color: var(--danger-txt); border-color: rgba(226, 87, 78, 0.45); background: rgba(226, 87, 78, 0.12); }
.chip-aviso { color: var(--warn-txt); border-color: rgba(245, 166, 35, 0.45); background: rgba(245, 166, 35, 0.12); }
.chip-info { color: var(--info-txt); border-color: rgba(38, 182, 217, 0.45); background: rgba(38, 182, 217, 0.12); }

/* --- panel --- */
.panel { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 18px; }
.panel-cab { display: flex; align-items: center; gap: 10px; margin: 0 0 14px; flex-wrap: wrap; }
.panel-titulo { margin: 0; font-size: 15px; font-weight: 700; }
.panel-sub { color: var(--muted); font-size: var(--fs-s); }
.panel-cab .der { margin-left: auto; display: flex; gap: 8px; }
.paso {
  width: 24px; height: 24px; display: grid; place-items: center; border-radius: 50%;
  background: rgba(178, 119, 70, 0.18); color: var(--primary-bright); font-size: 12px; font-weight: 700;
}

/* --- responsive --- */
@media (max-width: 520px) {
  .form-grid { grid-template-columns: 1fr; }
  .form-acciones { flex-direction: column-reverse; }
  .form-acciones .btn { width: 100%; }
  .tabs .tab { flex: 1; }
}