/* Componentes reutilizables: botones, campos, badges, modal, feedback. */

/* --- Botones --- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  font-size: 14px; font-weight: 600; line-height: 1;
  padding: 10px 16px; border-radius: var(--radio-md);
  border: 1px solid transparent; cursor: pointer;
  transition: background-color .15s, border-color .15s, opacity .15s;
  white-space: nowrap;
}
.btn:disabled { opacity: .55; cursor: not-allowed; }
.btn-sm { padding: 6px 12px; font-size: 13px; }
.btn-lg { padding: 13px 22px; font-size: 15px; }
.btn-full { width: 100%; }

.btn-primary { background: var(--marca); color: white; }
.btn-primary:hover:not(:disabled) { background: var(--marca-fuerte); }
.btn-secondary { background: var(--bg-sutil); color: var(--texto); border-color: var(--borde); }
.btn-secondary:hover:not(:disabled) { background: var(--borde); }
.btn-outline { background: transparent; color: var(--texto); border-color: var(--borde); }
.btn-outline:hover:not(:disabled) { background: var(--bg-sutil); }
.btn-ghost { background: transparent; color: var(--texto-suave); }
.btn-ghost:hover:not(:disabled) { background: var(--bg-sutil); color: var(--texto); }
.btn-danger { background: var(--peligro); color: white; }
.btn-danger:hover:not(:disabled) { opacity: .9; }

.btn-icon { padding: 8px; width: 36px; height: 36px; border-radius: var(--radio-md); background: transparent; border: 1px solid transparent; color: var(--texto-suave); cursor: pointer; display: inline-flex; align-items: center; justify-content: center; }
.btn-icon:hover { background: var(--bg-sutil); color: var(--texto); }

/* --- Campos de formulario --- */
.campo { display: flex; flex-direction: column; gap: 6px; }
.campo label { font-size: 13px; font-weight: 600; color: var(--texto-suave); }
.campo input, .campo textarea, .campo select {
  font: inherit; font-size: 14px;
  padding: 10px 12px; border-radius: var(--radio-sm);
  border: 1px solid var(--borde); background: var(--bg-elevado); color: var(--texto);
  width: 100%;
}
.campo input:focus, .campo textarea:focus, .campo select:focus {
  outline: 2px solid var(--marca); outline-offset: 1px; border-color: var(--marca);
}
.campo textarea { resize: vertical; min-height: 70px; }
.campo .hint { font-size: 12px; color: var(--texto-tenue); }
.campo .error { font-size: 12px; color: var(--peligro); }
.campo.con-error input, .campo.con-error textarea, .campo.con-error select { border-color: var(--peligro); }

.switch { display: inline-flex; align-items: center; gap: 10px; cursor: pointer; }
.switch input { display: none; }
.switch .pista { width: 38px; height: 22px; border-radius: 999px; background: var(--borde); position: relative; transition: background .15s; flex: none; }
.switch .pista::after { content: ''; position: absolute; top: 2px; left: 2px; width: 18px; height: 18px; border-radius: 50%; background: white; transition: transform .15s; }
.switch input:checked + .pista { background: var(--marca); }
.switch input:checked + .pista::after { transform: translateX(16px); }

.checkbox { display: flex; align-items: flex-start; gap: 10px; cursor: pointer; font-size: 13px; color: var(--texto-suave); }
.checkbox input { margin-top: 3px; }

/* --- Badges --- */
.badge {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 12px; font-weight: 700; padding: 3px 9px; border-radius: 999px;
  border: 1px solid transparent;
}
.badge-neutral { background: var(--bg-sutil); color: var(--texto-suave); border-color: var(--borde); }
.badge-brand { background: var(--marca-suave); color: var(--marca-fuerte); }
.badge-success { background: var(--exito-suave); color: var(--exito); }
.badge-warning { background: var(--advertencia-suave); color: var(--advertencia); }
.badge-danger { background: var(--peligro-suave); color: var(--peligro); }

/* Riesgo GTC-45 — clases devueltas por interpretNR() en dominio/gtc45.js */
.riesgo-i { background: var(--riesgo-i-bg); color: var(--riesgo-i-fg); border: 1px solid var(--riesgo-i-borde); }
.riesgo-ii { background: var(--riesgo-ii-bg); color: var(--riesgo-ii-fg); border: 1px solid var(--riesgo-ii-borde); }
.riesgo-iii { background: var(--riesgo-iii-bg); color: var(--riesgo-iii-fg); border: 1px solid var(--riesgo-iii-borde); }
.riesgo-iv { background: var(--riesgo-iv-bg); color: var(--riesgo-iv-fg); border: 1px solid var(--riesgo-iv-borde); }
.riesgo-badge { display: inline-flex; align-items: center; gap: 6px; font-size: 12px; font-weight: 700; padding: 3px 9px; border-radius: 999px; }
.riesgo-punto { width: 8px; height: 8px; border-radius: 50%; flex: none; }
.riesgo-punto-i { background: var(--riesgo-i-punto); }
.riesgo-punto-ii { background: var(--riesgo-ii-punto); }
.riesgo-punto-iii { background: var(--riesgo-iii-punto); }
.riesgo-punto-iv { background: var(--riesgo-iv-punto); }

/* --- Medidor de cuota --- */
.medidor-cuota { display: flex; flex-direction: column; gap: 4px; }
.medidor-cuota .barra { height: 6px; border-radius: 999px; background: var(--bg-sutil); overflow: hidden; }
.medidor-cuota .barra > span { display: block; height: 100%; border-radius: 999px; background: var(--marca); transition: width .2s; }
.medidor-cuota.nivel-alto .barra > span { background: var(--advertencia); }
.medidor-cuota.nivel-critico .barra > span { background: var(--peligro); }
.medidor-cuota .etiqueta { font-size: 11px; color: var(--texto-tenue); }

/* --- Feedback: spinner, skeleton, estados vacios/error --- */
.spinner {
  width: 18px; height: 18px; border-radius: 50%;
  border: 2px solid currentColor; border-top-color: transparent;
  animation: girar .7s linear infinite; flex: none;
}
@keyframes girar { to { transform: rotate(360deg); } }

.cargador-pagina { display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 12px; padding: 80px 20px; color: var(--texto-suave); }
.cargador-pagina .spinner { width: 28px; height: 28px; border-width: 3px; }

.ia-pensando { display: flex; align-items: center; gap: 10px; padding: 12px 16px; border-radius: var(--radio-md); background: var(--marca-suave); color: var(--marca-fuerte); font-size: 13px; }
.ia-pensando .spinner { color: var(--marca-fuerte); }

.skeleton { background: linear-gradient(90deg, var(--bg-sutil) 25%, var(--borde) 50%, var(--bg-sutil) 75%); background-size: 200% 100%; animation: brillo 1.4s ease infinite; border-radius: var(--radio-sm); }
@keyframes brillo { from { background-position: 200% 0; } to { background-position: -200% 0; } }

.estado-vacio, .estado-error { display: flex; flex-direction: column; align-items: center; text-align: center; gap: 10px; padding: 48px 20px; color: var(--texto-suave); }
.estado-vacio h3, .estado-error h3 { color: var(--texto); font-size: 16px; }
.estado-vacio p, .estado-error p { font-size: 14px; max-width: 380px; }

.aviso-ia { display: flex; gap: 10px; align-items: flex-start; padding: 12px 14px; border-radius: var(--radio-md); background: var(--advertencia-suave); color: #78350f; font-size: 13px; border: 1px solid var(--riesgo-iii-borde); }
:root:not([data-theme='light']) .aviso-ia, :root[data-theme='dark'] .aviso-ia { color: var(--riesgo-iii-fg); }
.aviso-ia.compacto { padding: 8px 12px; font-size: 12px; }

/* --- Toasts --- */
#toasts { position: fixed; top: 16px; right: 16px; z-index: 1000; display: flex; flex-direction: column; gap: 10px; max-width: 360px; }
.toast { display: flex; gap: 10px; align-items: flex-start; padding: 12px 14px; border-radius: var(--radio-md); background: var(--bg-elevado); border: 1px solid var(--borde); box-shadow: var(--sombra-md); font-size: 13px; animation: entrar-toast .15s ease; }
@keyframes entrar-toast { from { opacity: 0; transform: translateY(-6px); } to { opacity: 1; transform: none; } }
.toast-success { border-left: 3px solid var(--exito); }
.toast-error { border-left: 3px solid var(--peligro); }
.toast-info { border-left: 3px solid var(--marca); }
.toast .cerrar { margin-left: auto; background: none; border: none; cursor: pointer; color: var(--texto-tenue); }

/* --- Modal --- */
.modal-overlay { position: fixed; inset: 0; background: rgb(2 6 23 / 0.55); display: flex; align-items: center; justify-content: center; padding: 20px; z-index: 900; }
.modal { background: var(--bg-elevado); border-radius: var(--radio-lg); box-shadow: var(--sombra-lg); width: 100%; max-height: 90vh; overflow: auto; display: flex; flex-direction: column; }
.modal-sm { max-width: 420px; }
.modal-md { max-width: 560px; }
.modal-lg { max-width: 760px; }
.modal-xl { max-width: 1040px; }
.modal-header { display: flex; align-items: center; justify-content: space-between; padding: 18px 22px; border-bottom: 1px solid var(--borde); }
.modal-header h2, .modal-header h3 { font-size: 16px; }
.modal-body { padding: 22px; overflow: auto; }
.modal-footer { display: flex; justify-content: flex-end; gap: 10px; padding: 16px 22px; border-top: 1px solid var(--borde); }
body.modal-abierto { overflow: hidden; }

/* --- Card genérica --- */
.tarjeta { background: var(--bg-elevado); border: 1px solid var(--borde); border-radius: var(--radio-lg); padding: 20px; }