/*
 * Karma CJCE v1 — assistant.css
 * Asistente conversacional (chat) de la cabecera. Usa los tokens de marca de
 * custom.css (--brand-*, fuentes, radios, sombras). Sin dependencias externas.
 */

/* ---- Disparador en la barra de contacto (cabecera) ---- */
.site-topbar__item.karma-assistant-trigger {
  appearance: none;
  border: 1px solid rgba(255,255,255,0.55);
  background: rgba(255,255,255,0.10);
  padding: 0.28rem 0.8rem;
  border-radius: var(--radius-pill);
  cursor: pointer;
  font-family: var(--font-body);
  font-size: 0.875rem;
  line-height: 1.2;
  transition: background 0.18s ease, transform 0.15s ease;
}
.site-topbar__item.karma-assistant-trigger:hover {
  background: rgba(255,255,255,0.20);
  text-decoration: none;
  transform: translateY(-1px);
}

/* ---- Launcher flotante ---- */
.karma-assistant-launcher {
  position: fixed;
  right: clamp(1rem, 3vw, 1.75rem);
  bottom: clamp(1rem, 3vw, 1.75rem);
  z-index: 90;
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  padding: 0.8rem 1.25rem 0.8rem 0.95rem;
  border: 0;
  border-radius: var(--radius-pill);
  background: var(--brand-primary);
  color: #fff;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.95rem;
  cursor: pointer;
  box-shadow: var(--shadow-md);
  transition: background 0.18s ease, transform 0.15s ease, box-shadow 0.18s ease;
}
.karma-assistant-launcher:hover {
  background: var(--brand-primary-strong);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}
.karma-assistant-launcher svg { width: 22px; height: 22px; flex-shrink: 0; }
.karma-assistant-launcher.is-hidden { display: none; }

/* ---- Panel del chat ---- */
.karma-assistant-panel {
  position: fixed;
  right: clamp(1rem, 3vw, 1.75rem);
  bottom: clamp(1rem, 3vw, 1.75rem);
  z-index: 95;
  width: min(380px, calc(100vw - 2rem));
  max-height: min(640px, calc(100vh - 2rem));
  display: none;
  flex-direction: column;
  overflow: hidden;
  background: var(--bg-raised);
  border: 1px solid var(--neutral-100);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  font-family: var(--font-body);
  animation: karma-assistant-in 0.2s ease;
}
.karma-assistant-panel.is-open { display: flex; }

@keyframes karma-assistant-in {
  from { opacity: 0; transform: translateY(12px); }
  to   { opacity: 1; transform: translateY(0); }
}

.karma-assistant-header {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  padding: 0.95rem 1.1rem;
  background: var(--brand-secondary);
  color: #fff;
}
.karma-assistant-header__avatar {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: var(--radius-pill);
  background: var(--brand-accent);
  flex-shrink: 0;
}
.karma-assistant-header__avatar svg { width: 22px; height: 22px; color: #fff; }
.karma-assistant-header__title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1rem;
  line-height: 1.15;
}
.karma-assistant-header__subtitle {
  font-size: 0.78rem;
  color: rgba(255,255,255,0.85);
}
.karma-assistant-close {
  margin-left: auto;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border: 0;
  border-radius: var(--radius-pill);
  background: rgba(255,255,255,0.14);
  color: #fff;
  cursor: pointer;
  transition: background 0.18s ease;
}
.karma-assistant-close:hover { background: rgba(255,255,255,0.28); }
.karma-assistant-close svg { width: 18px; height: 18px; }

.karma-assistant-log {
  flex: 1 1 auto;
  overflow-y: auto;
  padding: 1.1rem;
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
  background: var(--bg-sunken);
}
.karma-assistant-msg {
  max-width: 85%;
  padding: 0.7rem 0.9rem;
  border-radius: var(--radius-md);
  font-size: 0.92rem;
  line-height: 1.5;
}
.karma-assistant-msg a { color: inherit; font-weight: 700; text-decoration: underline; }
.karma-assistant-msg--bot {
  align-self: flex-start;
  background: var(--bg-raised);
  border: 1px solid var(--neutral-100);
  color: var(--ink-strong);
  border-bottom-left-radius: var(--radius-sm);
}
.karma-assistant-msg--user {
  align-self: flex-end;
  background: var(--brand-primary);
  color: #fff;
  border-bottom-right-radius: var(--radius-sm);
}
.karma-assistant-msg--bot a { color: var(--brand-primary); }

.karma-assistant-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  padding: 0 1.1rem 0.6rem;
  background: var(--bg-sunken);
}
.karma-assistant-chip {
  border: 1px solid var(--neutral-200);
  background: var(--bg-raised);
  color: var(--brand-primary);
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.78rem;
  padding: 0.4rem 0.75rem;
  border-radius: var(--radius-pill);
  cursor: pointer;
  transition: background 0.18s ease, color 0.18s ease, border-color 0.18s ease;
}
.karma-assistant-chip:hover {
  background: var(--tint-primary);
  border-color: var(--brand-primary);
}

.karma-assistant-form {
  display: flex;
  gap: 0.5rem;
  padding: 0.75rem;
  border-top: 1px solid var(--neutral-100);
  background: var(--bg-raised);
}
.karma-assistant-input {
  flex: 1 1 auto;
  min-width: 0;
  font-family: var(--font-body);
  font-size: 0.92rem;
  padding: 0.65rem 0.85rem;
  border: 1.5px solid var(--neutral-200);
  border-radius: var(--radius-pill);
  background: #fff;
  color: var(--ink-strong);
}
.karma-assistant-input:focus {
  outline: none;
  border-color: var(--brand-primary);
  box-shadow: 0 0 0 3px var(--tint-primary);
}
.karma-assistant-send {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border: 0;
  border-radius: var(--radius-pill);
  background: var(--brand-primary);
  color: #fff;
  cursor: pointer;
  transition: background 0.18s ease;
}
.karma-assistant-send:hover { background: var(--brand-primary-strong); }
.karma-assistant-send svg { width: 20px; height: 20px; }

.karma-assistant-note {
  padding: 0 1.1rem 0.7rem;
  margin: 0;
  font-size: 0.72rem;
  color: var(--ink-muted);
  background: var(--bg-raised);
  text-align: center;
}

@media (prefers-reduced-motion: reduce) {
  .karma-assistant-panel { animation: none; }
  .karma-assistant-launcher:hover { transform: none; }
}