/* ============================================================
   THM — Agente Digital "Aina" (widget flotante)
   Launcher + aviso proactivo + panel de conversación.
   Todo el color sale de los tokens de `css/tokens.css`.
   ============================================================ */

.agent {
  position: fixed;
  right: var(--space-5);
  bottom: var(--space-5);
  z-index: var(--z-toast);
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: var(--space-3);
  font-family: var(--font-body);
}

.agent .sr-only {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

/* Las clases del widget fijan `display`, lo que pisa el `[hidden]` del
   navegador: sin esta regla un elemento oculto sigue capturando clics. */
.agent [hidden] { display: none !important; }

/* ----------------------------------------------------------
   LAUNCHER
   ---------------------------------------------------------- */
.agent__launcher {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-2) var(--space-5) var(--space-2) var(--space-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  background: var(--color-bg-elevated);
  box-shadow: var(--shadow-lg);
  cursor: pointer;
  color: var(--color-text-primary);
  font-family: var(--font-heading);
  font-size: var(--text-sm);
  font-weight: var(--weight-semibold);
  transition: transform var(--transition-spring), box-shadow var(--transition-base);
}

.agent__launcher:hover {
  transform: translateY(-3px);
  box-shadow: var(--glow-accent-lg);
}

.agent__launcher:focus-visible {
  outline: 3px solid var(--color-accent-2);
  outline-offset: 3px;
}

.agent__orb {
  position: relative;
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border-radius: var(--radius-full);
  background: var(--color-accent-grad);
  box-shadow: var(--glow-accent);
  flex-shrink: 0;
}

.agent__orb-icon {
  width: 26px;
  height: 26px;
  fill: #ffffff;
}

/* Halo latente — señal de "estoy despierto 24/7" */
.agent__orb-ring {
  position: absolute;
  inset: -6px;
  border-radius: var(--radius-full);
  border: 2px solid var(--color-accent-2);
  opacity: 0;
  animation: agentPulse 2600ms ease-out infinite;
}

@keyframes agentPulse {
  0%   { transform: scale(0.85); opacity: 0.55; }
  70%  { transform: scale(1.28); opacity: 0; }
  100% { transform: scale(1.28); opacity: 0; }
}

.agent__launcher-label {
  white-space: nowrap;
}

.agent__badge {
  display: grid;
  place-items: center;
  min-width: 20px;
  height: 20px;
  padding: 0 6px;
  margin-left: calc(var(--space-2) * -1);
  border-radius: var(--radius-full);
  background: var(--color-error);
  color: #ffffff;
  font-size: 11px;
  font-weight: var(--weight-bold);
  line-height: 1;
}

.agent__badge[hidden] { display: none; }

/* Con el panel abierto, el launcher se reduce a la esfera */
.agent.is-open .agent__launcher-label,
.agent.is-open .agent__badge,
.agent.is-open .agent__orb-ring {
  display: none;
}

.agent.is-open .agent__launcher {
  padding: var(--space-2);
}

/* ----------------------------------------------------------
   AVISO PROACTIVO
   ---------------------------------------------------------- */
.agent__teaser {
  position: relative;
  display: flex;
  align-items: flex-start;
  gap: var(--space-2);
  max-width: 300px;
  padding: var(--space-4) var(--space-5);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg) var(--radius-lg) var(--radius-sm) var(--radius-lg);
  background: var(--color-bg-elevated);
  box-shadow: var(--shadow-lg);
  cursor: pointer;
  animation: agentTeaserIn 320ms cubic-bezier(0.34, 1.56, 0.64, 1) both;
}

.agent__teaser::before {
  content: '';
  position: absolute;
  inset: -1px;
  border-radius: inherit;
  padding: 1px;
  background: var(--color-accent-grad);
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
          mask-composite: exclude;
  pointer-events: none;
  opacity: 0.5;
}

@keyframes agentTeaserIn {
  from { opacity: 0; transform: translateY(12px) scale(0.96); }
  to   { opacity: 1; transform: none; }
}

.agent__teaser-text {
  margin: 0;
  font-size: var(--text-sm);
  line-height: var(--leading-normal);
  color: var(--color-text-secondary);
}

.agent__teaser-close {
  flex-shrink: 0;
  width: 22px;
  height: 22px;
  border: 0;
  border-radius: var(--radius-full);
  background: var(--color-surface);
  color: var(--color-text-muted);
  font-size: 16px;
  line-height: 1;
  cursor: pointer;
  transition: background var(--transition-fast), color var(--transition-fast);
}

.agent__teaser-close:hover {
  background: var(--color-surface-hover);
  color: var(--color-text-primary);
}

/* ----------------------------------------------------------
   PANEL
   ---------------------------------------------------------- */
.agent__panel {
  display: flex;
  flex-direction: column;
  width: min(380px, calc(100vw - var(--space-8)));
  height: min(600px, calc(100vh - 140px));
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  background: var(--color-bg-elevated);
  box-shadow: var(--shadow-lg), var(--glow-accent);
  overflow: hidden;
  animation: agentPanelIn 300ms cubic-bezier(0.34, 1.56, 0.64, 1) both;
}

/* El panel se abre por encima del launcher, que se queda como botón de cierre */
.agent__panel { order: -1; }

.agent__panel[hidden] { display: none; }

@keyframes agentPanelIn {
  from { opacity: 0; transform: translateY(20px) scale(0.97); }
  to   { opacity: 1; transform: none; }
}

.agent__header {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-4) var(--space-4);
  background: var(--color-accent-grad);
  color: #ffffff;
}

.agent__avatar {
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, 0.18);
  flex-shrink: 0;
}

.agent__avatar svg {
  width: 24px;
  height: 24px;
  fill: #ffffff;
}

.agent__ident { flex: 1; min-width: 0; }

.agent__name {
  margin: 0;
  font-family: var(--font-heading);
  font-size: var(--text-sm);
  font-weight: var(--weight-semibold);
  line-height: 1.2;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.agent__role { font-weight: var(--weight-regular); opacity: 0.9; }

.agent__status {
  display: flex;
  align-items: center;
  gap: 6px;
  margin: 2px 0 0;
  font-size: var(--text-xs);
  line-height: 1.3;
  color: rgba(255, 255, 255, 0.9);
}

.agent__dot {
  width: 7px;
  height: 7px;
  border-radius: var(--radius-full);
  background: #4ade80;
  box-shadow: 0 0 0 0 rgba(74, 222, 128, 0.7);
  animation: agentDot 2000ms ease-out infinite;
}

@keyframes agentDot {
  0%   { box-shadow: 0 0 0 0 rgba(74, 222, 128, 0.7); }
  70%  { box-shadow: 0 0 0 7px rgba(74, 222, 128, 0); }
  100% { box-shadow: 0 0 0 0 rgba(74, 222, 128, 0); }
}

.agent__icon-btn {
  width: 30px;
  height: 30px;
  flex-shrink: 0;
  border: 0;
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, 0.15);
  color: #ffffff;
  font-size: 15px;
  line-height: 1;
  cursor: pointer;
  transition: background var(--transition-fast);
}

.agent__icon-btn:hover { background: rgba(255, 255, 255, 0.3); }

.agent__icon-btn:focus-visible {
  outline: 2px solid #ffffff;
  outline-offset: 2px;
}

/* ----------------------------------------------------------
   CONVERSACIÓN
   ---------------------------------------------------------- */
.agent__log {
  flex: 1;
  overflow-y: auto;
  overscroll-behavior: contain;
  padding: var(--space-5) var(--space-4);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  background:
    radial-gradient(120% 80% at 100% 0%, rgba(6, 182, 212, 0.06), transparent 60%),
    var(--color-bg);
}

.agent__log:focus-visible {
  outline: 2px solid var(--color-accent-1);
  outline-offset: -2px;
}

.agent__msg {
  display: flex;
  max-width: 88%;
}

.agent__msg--agent { align-self: flex-start; }
.agent__msg--user  { align-self: flex-end; }

.agent__msg.is-entering {
  animation: agentMsgIn 260ms ease both;
}

@keyframes agentMsgIn {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: none; }
}

.agent__bubble {
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-lg);
  font-size: var(--text-sm);
  line-height: var(--leading-relaxed);
  overflow-wrap: anywhere;
}

.agent__msg--agent .agent__bubble {
  border: 1px solid var(--color-border);
  border-bottom-left-radius: var(--radius-sm);
  background: var(--color-bg-card);
  color: var(--color-text-secondary);
  box-shadow: var(--shadow-sm);
}

.agent__msg--agent .agent__bubble strong {
  color: var(--color-text-primary);
  font-weight: var(--weight-semibold);
}

.agent__msg--user .agent__bubble {
  border-bottom-right-radius: var(--radius-sm);
  background: var(--color-accent-grad);
  color: #ffffff;
  box-shadow: var(--glow-accent);
}

/* Indicador de escritura */
.agent__typing .agent__bubble {
  display: flex;
  gap: 5px;
  padding: var(--space-4);
}

.agent__typing span {
  width: 7px;
  height: 7px;
  border-radius: var(--radius-full);
  background: var(--color-text-disabled);
  animation: agentTyping 1200ms ease-in-out infinite;
}

.agent__typing span:nth-child(2) { animation-delay: 160ms; }
.agent__typing span:nth-child(3) { animation-delay: 320ms; }

@keyframes agentTyping {
  0%, 60%, 100% { transform: translateY(0);    opacity: 0.45; }
  30%           { transform: translateY(-4px); opacity: 1; }
}

/* ----------------------------------------------------------
   RESPUESTAS RÁPIDAS
   ---------------------------------------------------------- */
.agent__chips {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-4);
  border-top: 1px solid var(--color-border);
  background: var(--color-bg-elevated);
  max-height: 140px;
  overflow-y: auto;
}

.agent__chips[hidden] { display: none; }

.agent__chip {
  padding: var(--space-2) var(--space-4);
  border: 1px solid var(--color-border-hover);
  border-radius: var(--radius-full);
  background: var(--color-surface);
  color: var(--color-accent-1);
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: var(--weight-medium);
  line-height: 1.4;
  cursor: pointer;
  transition: background var(--transition-fast), transform var(--transition-fast), color var(--transition-fast);
}

.agent__chip:hover {
  background: var(--color-accent-grad);
  color: #ffffff;
  transform: translateY(-1px);
}

.agent__chip:focus-visible {
  outline: 2px solid var(--color-accent-1);
  outline-offset: 2px;
}

/* ----------------------------------------------------------
   ENTRADA
   ---------------------------------------------------------- */
.agent__form {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-4);
  border-top: 1px solid var(--color-border);
  background: var(--color-bg-elevated);
}

.agent__form.is-busy { opacity: 0.6; }

.agent__input:disabled { cursor: not-allowed; }

.agent__form.is-busy .agent__send { pointer-events: none; }

.agent__chips.is-busy { opacity: 0.5; pointer-events: none; }

.agent__input {
  flex: 1;
  min-width: 0;
  padding: var(--space-3) var(--space-4);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  background: var(--color-bg);
  color: var(--color-text-primary);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.agent__input::placeholder { color: var(--color-text-disabled); }

.agent__input:focus {
  outline: none;
  border-color: var(--color-accent-1);
  box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.15);
}

.agent__send {
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  flex-shrink: 0;
  border: 0;
  border-radius: var(--radius-full);
  background: var(--color-accent-grad);
  cursor: pointer;
  box-shadow: var(--glow-accent);
  transition: transform var(--transition-fast);
}

.agent__send svg { width: 18px; height: 18px; fill: #ffffff; }

.agent__send:hover { transform: scale(1.06); }

.agent__send:focus-visible {
  outline: 2px solid var(--color-accent-1);
  outline-offset: 2px;
}

.agent__disclaimer {
  margin: 0;
  padding: 0 var(--space-4) var(--space-3);
  background: var(--color-bg-elevated);
  color: var(--color-text-muted);
  font-size: 11px;
  line-height: var(--leading-normal);
  text-align: center;
}

/* ----------------------------------------------------------
   RESPONSIVE — en móvil el panel es una hoja a pantalla casi completa
   ---------------------------------------------------------- */
@media (max-width: 600px) {
  .agent {
    right: var(--space-4);
    bottom: var(--space-4);
    left: var(--space-4);
    align-items: flex-end;
  }

  .agent__launcher-label { display: none; }

  .agent__launcher { padding: var(--space-2); }

  .agent__teaser { max-width: 100%; }

  .agent__panel {
    width: 100%;
    height: min(560px, calc(100dvh - 120px));
  }

  /* Sin espacio para el cargo: se muestra solo el nombre, sin truncar */
  .agent__role { display: none; }

  .agent__status { font-size: 11px; }

  .agent__chips {
    padding: var(--space-3);
    max-height: 116px;
  }

  .agent__chip { padding: 6px var(--space-3); }
}

/* El panel abierto no debe competir con la navbar en pantallas bajas */
@media (max-height: 620px) {
  .agent__panel { height: calc(100vh - 110px); }
}