/* =====================================================================
   COSMIC & EXIMIR — Chat & Forja de Prompts (Estética Cósmica)
   ===================================================================== */

/* Barra Superior Fija */
#chat-barra-sup {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 64px;
  background: rgba(255, 255, 255, 0.75);
  border-bottom: 1px solid var(--glass-edge);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
}

.chat-sup-izq {
  display: flex;
  align-items: center;
  gap: 10px;
}

.chat-sup-der {
  display: flex;
  align-items: center;
  gap: 8px;
}

/* Selector Custom Glassmorphism */
.custom-selector-box {
  position: relative;
  display: inline-flex;
  align-items: center;
}

.rama-trigger {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  background: rgba(255, 255, 255, 0.88);
  border: 1px solid rgba(15, 23, 42, 0.12);
  color: var(--ink);
  border-radius: 999px;
  padding: 7px 15px;
  font-size: 13px;
  font-weight: 600;
  font-family: var(--display);
  cursor: pointer;
  box-shadow: 0 4px 14px -6px rgba(15, 23, 42, 0.12);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

.rama-trigger:hover {
  background: #ffffff;
  border-color: rgba(15, 23, 42, 0.25);
  box-shadow: 0 6px 18px -4px rgba(15, 23, 42, 0.18);
  transform: translateY(-1px);
}

.punto-rama {
  width: 8.5px;
  height: 8.5px;
  border-radius: 50%;
  flex-shrink: 0;
}

.chevron-icono {
  color: var(--muted);
  transition: transform 0.2s ease;
}

.rama-trigger[aria-expanded="true"] .chevron-icono {
  transform: rotate(180deg);
}

.rama-menu-dropdown {
  position: absolute;
  top: calc(100% + 8px);
  left: 50%;
  transform: translateX(-50%);
  min-width: 240px;
  background: rgba(255, 255, 255, 0.96);
  border: 1px solid var(--glass-edge);
  border-radius: 16px;
  box-shadow: 0 20px 50px -12px rgba(15, 23, 42, 0.25), 0 0 0 1px rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  padding: 6px;
  z-index: 100;
  animation: surge 0.2s cubic-bezier(0.16, 1, 0.3, 1) both;
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.rama-menu-dropdown[hidden] {
  display: none !important;
}

.rama-menu-header {
  font-family: var(--mono);
  font-size: 9.5px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
  padding: 6px 10px 4px;
}

.rama-opcion {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  padding: 9px 12px;
  border-radius: 10px;
  background: transparent;
  border: none;
  font-family: var(--display);
  font-size: 13px;
  font-weight: 500;
  color: var(--ink);
  text-align: left;
  cursor: pointer;
  transition: all 0.15s ease;
}

.rama-opcion:hover {
  background: rgba(74, 157, 255, 0.09);
  color: var(--ink);
}

.rama-opcion.activa {
  background: rgba(74, 157, 255, 0.14);
  font-weight: 700;
}

/* Escena y Contenedor Principal */
#escena {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  min-height: 100dvh;
  max-width: 840px;
  margin: 0 auto;
  padding: 86px 20px 24px;
}

#escena.vacio {
  justify-content: center;
  padding-bottom: 8vh;
}

#escena:not(.vacio) {
  justify-content: flex-start;
}

/* Selector de Actividad Inicial */
#saludo-box {
  text-align: center;
  margin: 0 auto 32px;
  animation: surge 0.5s cubic-bezier(0.16, 1, 0.3, 1) both;
  width: 100%;
}

#escena:not(.vacio) #saludo-box {
  display: none;
}

.saludo-encabezado {
  margin-bottom: 26px;
}

#saludo {
  font-family: var(--display);
  font-size: clamp(28px, 4.5vw, 40px);
  font-weight: 800;
  letter-spacing: -0.04em;
  color: var(--ink);
  margin-bottom: 6px;
}

#saludo-sub {
  font-size: 14.5px;
  color: var(--soft);
  max-width: 480px;
  margin: 0 auto;
  line-height: 1.45;
  font-weight: 500;
}

.actividades-selector-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 16px;
  margin-top: 20px;
  text-align: left;
}

.tarjeta-actividad-chat {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 18px 20px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.88);
  border: 1px solid var(--glass-edge);
  box-shadow: 0 10px 28px -10px rgba(15, 23, 42, 0.08), 0 0 0 1px rgba(255, 255, 255, 0.6) inset;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  cursor: pointer;
  transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  text-decoration: none;
  color: inherit;
  position: relative;
  overflow: hidden;
}

.tarjeta-actividad-chat:hover {
  transform: translateY(-3px);
  border-color: color-mix(in srgb, var(--cat-color, var(--cosmic)) 50%, transparent);
  box-shadow: 0 20px 40px -12px rgba(15, 23, 42, 0.14), 0 0 0 1px color-mix(in srgb, var(--cat-color, var(--cosmic)) 25%, transparent);
  background: #ffffff;
}

.tarjeta-actividad-chat.seleccionada {
  border-color: var(--cat-color, var(--cosmic));
  background: color-mix(in srgb, var(--cat-color, var(--cosmic)) 6%, #ffffff);
  box-shadow: 0 0 0 2px color-mix(in srgb, var(--cat-color, var(--cosmic)) 35%, transparent), 0 12px 30px -8px rgba(15, 23, 42, 0.12);
}

.actividad-icono {
  width: 44px;
  height: 44px;
  min-width: 44px;
  min-height: 44px;
  border-radius: 12px;
  background: color-mix(in srgb, var(--cat-color, var(--cosmic)) 12%, transparent);
  color: var(--cat-color, var(--cosmic));
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: transform 0.25s ease;
}

.tarjeta-actividad-chat:hover .actividad-icono {
  transform: scale(1.08);
}

.actividad-icono svg {
  width: 22px !important;
  height: 22px !important;
  max-width: 22px !important;
  max-height: 22px !important;
  display: block;
}

.actividad-tit {
  font-size: 15px;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 4px;
  letter-spacing: -0.01em;
}

.actividad-desc {
  font-size: 12.5px;
  color: var(--soft);
  line-height: 1.45;
}

/* Hilo de Mensajes */
#hilo {
  display: flex;
  flex-direction: column;
  gap: 16px;
  padding-bottom: 90px;
}

.msg {
  display: flex;
  flex-direction: column;
  animation: surge 0.25s ease both;
}

.msg--mio {
  align-items: flex-end;
}

.msg--mio .burbuja {
  background: var(--ink);
  color: #ffffff;
  border-radius: 18px 18px 4px 18px;
  max-width: 75%;
}

.msg--ia {
  align-items: flex-start;
}

.msg--ia .burbuja {
  background: rgba(255, 255, 255, 0.88);
  color: var(--ink);
  border: 1px solid var(--glass-edge);
  box-shadow: var(--sombra);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-radius: 18px 18px 18px 4px;
  max-width: 85%;
}

.burbuja {
  padding: 14px 18px;
  font-size: 14.5px;
  line-height: 1.55;
  word-break: break-word;
}

/* Caja de Prompt Maestro Forjado con Copiado en 1 Clic */
.prompt-maestro-burbuja {
  border: 1px solid rgba(99, 102, 241, 0.4);
  background: linear-gradient(155deg, rgba(255, 255, 255, 0.98), rgba(245, 247, 255, 0.96));
  box-shadow: 0 12px 32px -8px rgba(99, 102, 241, 0.25);
  max-width: 90% !important;
}

.prompt-box-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
  padding-bottom: 8px;
  border-bottom: 1px solid rgba(99, 102, 241, 0.15);
}

.prompt-box-tag {
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--cosmic);
}

.btn-copiar-prompt {
  font-family: var(--display);
  font-size: 11.5px;
  font-weight: 600;
  color: #ffffff;
  background: linear-gradient(135deg, #6366f1, #8b5cf6);
  border: none;
  padding: 5px 12px;
  border-radius: 999px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  box-shadow: 0 2px 8px rgba(99, 102, 241, 0.35);
  transition: all 0.15s ease;
}

.btn-copiar-prompt:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(99, 102, 241, 0.5);
}

.btn-copiar-prompt.copiado {
  background: #10b981;
  box-shadow: none;
}

/* Tarjetas de Acción de Memoria (Estilo Obsidian Second Brain) */
.tarjeta-mem {
  margin-top: 10px;
  padding: 14px 16px;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.96);
  border: 1px solid rgba(99, 102, 241, 0.25);
  box-shadow: 0 10px 26px -8px rgba(99, 102, 241, 0.18);
  width: 100%;
  max-width: 520px;
  transition: all 0.2s ease;
}

.tarjeta-mem .cab {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 8px;
  flex-wrap: wrap;
}

.tarjeta-mem .punto {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--cosmic);
}

.tarjeta-mem .tit {
  font-family: var(--mono);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--cosmic);
}

.tarjeta-mem .dir {
  font-size: 13.5px;
  color: var(--ink);
  line-height: 1.5;
  font-weight: 500;
}

.tarjeta-mem--sugerida {
  border-color: rgba(99, 102, 241, 0.45);
  background: linear-gradient(145deg, rgba(255, 255, 255, 0.98), rgba(245, 247, 255, 0.95));
  box-shadow: 0 10px 30px -6px rgba(99, 102, 241, 0.22);
}

.tarjeta-mem .mem-acciones-wrap {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 10px;
  padding-top: 8px;
  border-top: 1px solid rgba(15, 23, 42, 0.06);
  flex-wrap: wrap;
}

.btn-mem-guardar {
  font-family: var(--display);
  font-size: 11.5px;
  font-weight: 600;
  color: #ffffff;
  background: linear-gradient(135deg, #6366f1, #8b5cf6);
  border: none;
  padding: 6px 14px;
  border-radius: 999px;
  cursor: pointer;
  box-shadow: 0 2px 8px rgba(99, 102, 241, 0.35);
  transition: all 0.15s ease;
  display: inline-flex;
  align-items: center;
  gap: 5px;
}

.btn-mem-guardar:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(99, 102, 241, 0.5);
}

.btn-mem-guardar.guardado {
  background: #10b981;
  box-shadow: none;
  pointer-events: none;
}

.btn-mem-editar {
  font-family: var(--display);
  font-size: 11px;
  font-weight: 500;
  color: var(--soft);
  background: rgba(255, 255, 255, 0.85);
  border: 1px solid var(--glass-edge);
  padding: 5px 10px;
  border-radius: 999px;
  cursor: pointer;
  transition: all 0.15s ease;
}

.btn-mem-editar:hover {
  background: #ffffff;
  color: var(--ink);
  border-color: rgba(99, 102, 241, 0.3);
}

.btn-mem-descartar {
  font-family: var(--display);
  font-size: 11px;
  color: var(--muted);
  background: none;
  border: none;
  cursor: pointer;
  padding: 5px 8px;
  border-radius: 6px;
  transition: color 0.15s ease;
}

.btn-mem-descartar:hover {
  color: #ef4444;
}

.mem-edit-box {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-top: 6px;
}

.mem-edit-input {
  width: 100%;
  padding: 8px 10px;
  border-radius: 8px;
  border: 1px solid rgba(99, 102, 241, 0.3);
  font-family: var(--display);
  font-size: 13px;
  color: var(--ink);
  background: #ffffff;
  resize: vertical;
  min-height: 55px;
}

.mem-edit-input:focus {
  outline: none;
  border-color: var(--cosmic);
  box-shadow: 0 0 0 2px rgba(99, 102, 241, 0.15);
}

.eti--cat-tag {
  background: rgba(74, 157, 255, 0.12);
  color: #2563eb;
  padding: 2px 7px;
  border-radius: 999px;
  font-size: 10px;
  font-weight: 600;
}

.eti--tipo-tag {
  background: rgba(139, 108, 255, 0.12);
  color: #7c3aed;
  padding: 2px 7px;
  border-radius: 999px;
  font-size: 10px;
  font-weight: 600;
}

/* Botón de Audio y Micrófono */
.btn-audio-msg {
  background: none;
  border: none;
  color: var(--muted);
  cursor: pointer;
  padding: 4px;
  border-radius: 6px;
  display: inline-flex;
  align-items: center;
  margin-top: 6px;
  transition: color 0.15s ease;
}

.btn-audio-msg:hover {
  color: var(--cosmic);
}

.btn-audio-msg.reproduciendo {
  color: #10b981;
  animation: pulseAudio 1s infinite alternate;
}

@keyframes pulseAudio {
  from { transform: scale(1); }
  to { transform: scale(1.15); }
}

.btn-micro {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 1px solid var(--glass-edge);
  background: rgba(255, 255, 255, 0.9);
  color: var(--ink-soft);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  flex-shrink: 0;
  transition: all 0.2s ease;
}

.btn-micro:hover {
  background: #ffffff;
  color: var(--ink);
  border-color: rgba(99, 102, 241, 0.3);
}

.btn-micro.escuchando {
  background: #ef4444;
  color: #ffffff;
  border-color: #ef4444;
  animation: pulseMicro 1.2s infinite;
}

@keyframes pulseMicro {
  0% { box-shadow: 0 0 0 0 rgba(239, 68, 68, 0.6); }
  70% { box-shadow: 0 0 0 10px rgba(239, 68, 68, 0); }
  100% { box-shadow: 0 0 0 0 rgba(239, 68, 68, 0); }
}

/* Barra de Redacción Inferior */
#redaccion {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 0 20px 20px;
  background: linear-gradient(to top, var(--bg0) 65%, transparent);
  pointer-events: none;
  z-index: 40;
}

#caja {
  max-width: 840px;
  margin: 0 auto;
  background: rgba(255, 255, 255, 0.88);
  border: 1px solid var(--glass-edge);
  box-shadow: var(--sombra-alta);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-radius: 28px;
  padding: 8px 12px 8px 20px;
  display: flex;
  align-items: flex-end;
  gap: 10px;
  pointer-events: auto;
  transition: all 0.2s ease;
}

#caja:focus-within {
  border-color: rgba(15, 23, 42, 0.28);
  box-shadow: 0 35px 80px -20px rgba(15, 23, 42, 0.35);
  background: #ffffff;
}

#entrada {
  flex: 1;
  border: none;
  outline: none;
  background: transparent;
  font-family: var(--display);
  font-size: 15px;
  color: var(--ink);
  padding: 10px 0;
  resize: none;
  max-height: 200px;
  line-height: 1.45;
}

#entrada::placeholder {
  color: var(--muted);
}

#acciones-envio {
  display: flex;
  align-items: center;
  gap: 8px;
}

.btn--forjar {
  background: linear-gradient(135deg, #3b82f6, #6366f1);
  color: #ffffff;
  border: none;
  padding: 8px 14px;
  border-radius: 999px;
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.06em;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  cursor: pointer;
  box-shadow: 0 4px 14px -4px rgba(59, 130, 246, 0.5);
  transition: all 0.2s ease;
}

.btn--forjar:hover {
  background: linear-gradient(135deg, #2563eb, #4f46e5);
  box-shadow: 0 6px 18px -4px rgba(59, 130, 246, 0.7);
  transform: translateY(-1px);
}

#enviar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: none;
  background: var(--ink);
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  flex-shrink: 0;
  transition: all 0.2s ease;
}

#enviar:hover {
  background: #1e293b;
  transform: scale(1.05);
}

#cuota-flot {
  position: fixed;
  bottom: 12px;
  left: 20px;
  z-index: 30;
  pointer-events: none;
}

/* Sidebar Historial de Conversaciones */
#lateral {
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  width: 320px;
  background: rgba(255, 255, 255, 0.96);
  border-right: 1px solid var(--glass-edge);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  z-index: 60;
  transform: translateX(-100%);
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  display: flex;
  flex-direction: column;
  box-shadow: 20px 0 50px -10px rgba(15, 23, 42, 0.18);
}

#lateral.abierto {
  transform: translateX(0);
}

#lateral-cab {
  padding: 18px;
  border-bottom: 1px solid var(--glass-edge);
  display: flex;
  flex-direction: column;
  gap: 12px;
}

#buscar-caja {
  position: relative;
  display: flex;
  align-items: center;
}

#buscar-caja svg {
  position: absolute;
  left: 12px;
  color: var(--muted);
}

#buscar {
  width: 100%;
  padding: 8px 12px 8px 34px;
  border-radius: 999px;
  border: 1px solid var(--glass-edge);
  background: rgba(255, 255, 255, 0.85);
  font-family: var(--display);
  font-size: 13px;
  outline: none;
}

#lista-conv {
  flex: 1;
  overflow-y: auto;
  padding: 12px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.item-conv {
  padding: 12px 14px;
  border-radius: 14px;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  gap: 6px;
  background: rgba(255, 255, 255, 0.6);
  border: 1px solid transparent;
  transition: all 0.18s ease;
}

.item-conv:hover {
  background: rgba(255, 255, 255, 0.95);
  border-color: var(--glass-edge);
  box-shadow: 0 4px 12px -4px rgba(15, 23, 42, 0.08);
}

.item-conv.activa {
  background: rgba(74, 157, 255, 0.12);
  border-color: rgba(74, 157, 255, 0.35);
  box-shadow: 0 4px 14px -6px rgba(74, 157, 255, 0.25);
}

.item-conv-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.tit-conv {
  font-size: 13.5px;
  font-weight: 600;
  color: var(--ink);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.btn-borrar-conv {
  background: transparent;
  border: none;
  color: var(--muted);
  font-size: 16px;
  line-height: 1;
  padding: 2px 6px;
  border-radius: 6px;
  cursor: pointer;
  opacity: 0;
  transition: all 0.15s ease;
}

.item-conv:hover .btn-borrar-conv {
  opacity: 1;
}

.btn-borrar-conv:hover {
  background: rgba(224, 90, 90, 0.12);
  color: var(--fallo);
}

#velo {
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.25);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  z-index: 55;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

#velo.visible {
  opacity: 1;
  pointer-events: auto;
}

@keyframes surge {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

.btn-micro.modo-voz-activo {
  background: rgba(59, 130, 246, 0.2);
  color: #3b82f6;
  border-color: #3b82f6;
  animation: pulse-voz 2s infinite;
}

@keyframes pulse-voz {
  0% { box-shadow: 0 0 0 0 rgba(59, 130, 246, 0.4); }
  70% { box-shadow: 0 0 0 6px rgba(59, 130, 246, 0); }
  100% { box-shadow: 0 0 0 0 rgba(59, 130, 246, 0); }
}

/* Corrección para que el código no desborde la burbuja */
.burbuja {
  max-width: 100%;
  overflow-wrap: break-word;
  word-wrap: break-word;
}
.codigo-bloque {
  max-width: 100%;
  overflow-x: auto;
  white-space: pre;
  background: #0f172a;
  color: #e2e8f0;
  padding: 12px;
  border-radius: 8px;
  margin: 8px 0;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 0.9em;
  box-sizing: border-box;
}
.codigo-inline {
  background: rgba(0,0,0,0.1);
  padding: 2px 4px;
  border-radius: 4px;
  font-family: monospace;
  font-size: 0.9em;
  word-break: break-word;
}



/* =====================================================================
   OPTIMIZACION MOVIL (RESPONSIVE)
   ===================================================================== */
@media (max-width: 768px) {
  #chat-zona { padding: 70px 10px 110px !important; }
  .burbuja { max-width: 95% !important; padding: 10px 14px !important; font-size: 14.5px; }
  .msg--ia .burbuja { max-width: 95% !important; }
  
  #redaccion { padding: 0 10px 10px !important; }
  #caja { padding: 6px !important; border-radius: 18px !important; }
  #entrada { font-size: 14.5px !important; padding: 8px !important; min-height: 48px; }
  #acciones-envio { flex-wrap: wrap; justify-content: flex-end; gap: 4px; }
  
  /* Botones del input */
  .btn--forjar { width: 100%; justify-content: center; margin-bottom: 6px; }
  .btn-micro, #enviar { width: 40px !important; height: 40px !important; min-width: 40px !important; }
  
  .actividades-selector-grid { grid-template-columns: 1fr !important; gap: 10px; }
  .selector-card { padding: 12px 14px; }
  
  .tarjeta-mem { margin-top: 6px; padding: 12px !important; }
  .mem-acciones-wrap { flex-direction: column !important; align-items: stretch !important; }
  .mem-acciones-wrap button { width: 100% !important; margin-bottom: 6px !important; justify-content: center !important; }
}