/* ── CHAT WIDGET ROOT ────────────────────── */
.chat-widget {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  z-index: 1000;
  /* Bubble is the only in-flow element; tooltip and panel float above it */
}

/* ── CHAT BUBBLE ─────────────────────────── */
.chat-bubble {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: var(--glass-bg);
  backdrop-filter: var(--glass-filter);
  -webkit-backdrop-filter: var(--glass-filter);
  border: 1.5px solid var(--accent);
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-shadow: 0 4px 20px var(--accent-glow), var(--glass-rim);
  transition: all .2s;
  flex-shrink: 0;
}
.chat-bubble:hover {
  transform: scale(1.08);
  background: var(--accent-soft);
  box-shadow: 0 6px 28px var(--accent-glow), var(--glass-rim);
}
.chat-bubble:active {
  transform: scale(0.96);
}

/* ── CHAT TOOLTIP ────────────────────────── */
.chat-tooltip {
  position: absolute;
  bottom: calc(52px + .75rem);
  right: 0;
  width: min(260px, calc(100vw - 3rem));
  padding: .625rem 1rem;
  border-radius: 1rem;
  border-bottom-right-radius: 4px;
  font-size: .875rem;
  color: var(--text-2);
  background: var(--glass-bg);
  backdrop-filter: var(--glass-filter);
  -webkit-backdrop-filter: var(--glass-filter);
  border: 1px solid var(--glass-border);
  box-shadow: var(--glass-rim), var(--glass-shadow);
  opacity: 0;
  transform: translateY(4px) scale(0.97);
  pointer-events: none;
  transition: opacity .2s, transform .2s;
}
.chat-tooltip.visible {
  opacity: 1;
  transform: none;
  pointer-events: auto;
}

/* ── CHAT PANEL ──────────────────────────── */
.chat-panel {
  position: absolute;
  bottom: calc(52px + .75rem);
  right: 0;
  width: 400px;
  height: 520px;
  border-radius: 1.25rem;
  background: var(--glass-bg);
  backdrop-filter: var(--glass-filter);
  -webkit-backdrop-filter: var(--glass-filter);
  border: 1px solid var(--glass-border);
  box-shadow: var(--glass-rim), var(--glass-shadow);
  display: flex;
  flex-direction: column;
  opacity: 0;
  transform: translateY(8px) scale(0.97);
  pointer-events: none;
  transition: opacity .25s, transform .25s;
  overflow: hidden;
}
.chat-panel.open {
  opacity: 1;
  transform: none;
  pointer-events: auto;
}

@media (max-width: 430px) {
  .chat-panel {
    width: calc(100vw - 2rem);
    height: 70dvh;
    right: calc(1rem - 1.5rem); /* align panel 1rem from each viewport edge */
  }
}

/* ── CHAT HEADER ─────────────────────────── */
.chat-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: .875rem 1rem;
  border-bottom: 1px solid var(--glass-border);
  flex-shrink: 0;
}
.chat-header-title {
  font-size: .9375rem;
  font-weight: 600;
}
.chat-close {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--glass-bg);
  backdrop-filter: var(--glass-filter);
  -webkit-backdrop-filter: var(--glass-filter);
  border: 1px solid var(--glass-border);
  box-shadow: var(--glass-rim);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: .875rem;
  color: var(--text-2);
  transition: all .15s;
  flex-shrink: 0;
}
.chat-close:hover {
  border-color: var(--accent);
  color: var(--accent);
}

/* ── CHAT MESSAGES ───────────────────────── */
.chat-messages {
  flex: 1;
  overflow-y: auto;
  padding: .75rem;
  display: flex;
  flex-direction: column;
  gap: .5rem;
  scrollbar-width: thin;
  scrollbar-color: var(--glass-border) transparent;
}
.chat-messages::-webkit-scrollbar {
  width: 4px;
}
.chat-messages::-webkit-scrollbar-track {
  background: transparent;
}
.chat-messages::-webkit-scrollbar-thumb {
  background: var(--glass-border);
  border-radius: 2px;
}

/* ── CHAT MESSAGE BUBBLES ────────────────── */
.chat-msg {
  max-width: 82%;
  padding: .5rem .75rem;
  border-radius: 1rem;
  font-size: .875rem;
  line-height: 1.45;
}
.chat-msg.user {
  align-self: flex-end;
  background: var(--accent);
  color: #fff;
  border-bottom-right-radius: 4px;
}
.chat-msg.bot {
  align-self: flex-start;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  color: var(--text-2);
  border-bottom-left-radius: 4px;
}

/* ── MARKDOWN INSIDE BOT BUBBLES ─────────── */
.chat-msg.bot strong { font-weight: 600; color: inherit; }
.chat-msg.bot em     { font-style: italic; }

.chat-msg.bot code {
  font-family: 'JetBrains Mono', monospace;
  font-size: .8125rem;
  background: rgba(0,0,0,.07);
  border-radius: 4px;
  padding: .1em .35em;
}
[data-theme="dark"] .chat-msg.bot code {
  background: rgba(255,255,255,.08);
}

.chat-msg.bot pre {
  background: rgba(0,0,0,.06);
  border-radius: .5rem;
  padding: .6rem .75rem;
  margin: .35rem 0 0;
  overflow-x: auto;
  font-size: .8125rem;
  line-height: 1.5;
}
[data-theme="dark"] .chat-msg.bot pre {
  background: rgba(255,255,255,.06);
}
.chat-msg.bot pre code {
  background: none;
  padding: 0;
  font-size: inherit;
}

.chat-msg.bot ul,
.chat-msg.bot ol {
  margin: .35rem 0 0 1.25rem;
  padding: 0;
}
.chat-msg.bot li {
  line-height: 1.45;
  margin-bottom: .2rem;
}
.chat-msg.bot li:last-child { margin-bottom: 0; }

/* ── CHAT TYPING INDICATOR ───────────────── */
.chat-typing {
  align-self: flex-start;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  color: var(--text-2);
  border-bottom-left-radius: 4px;
  padding: .5rem .75rem;
  border-radius: 1rem;
  display: flex;
  align-items: center;
  gap: .3rem;
}
.chat-typing span {
  display: inline-block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--text-3);
  animation: typing-dot 1.2s ease-in-out infinite;
}
.chat-typing span:nth-child(1) { animation-delay: 0s; }
.chat-typing span:nth-child(2) { animation-delay: .2s; }
.chat-typing span:nth-child(3) { animation-delay: .4s; }

@keyframes typing-dot {
  0%, 80%, 100% {
    transform: translateY(0);
    opacity: .45;
  }
  40% {
    transform: translateY(-5px);
    opacity: 1;
  }
}

/* ── CHAT DONE MESSAGE ───────────────────── */
.chat-done-msg {
  align-self: stretch;
  background: var(--accent-soft);
  border: 1px solid var(--accent-glow);
  color: var(--text-2);
  border-radius: 1rem;
  padding: .5rem .75rem;
  font-size: .875rem;
  line-height: 1.45;
  text-align: center;
}

/* ── CHAT FOOTER ─────────────────────────── */
.chat-footer {
  display: flex;
  align-items: center;
  gap: .5rem;
  padding: .625rem .75rem;
  border-top: 1px solid var(--glass-border);
  flex-shrink: 0;
}

/* ── CHAT INPUT ──────────────────────────── */
.chat-input {
  flex: 1;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: .75rem;
  padding: .5rem .75rem;
  font-size: .875rem;
  font-family: inherit;
  color: var(--text);
  resize: none;
  max-height: 120px;
  outline: none;
  transition: border-color .15s, box-shadow .15s;
  line-height: 1.45;
}
.chat-input::placeholder {
  color: var(--text-3);
}
.chat-input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

/* ── CHAT SEND BUTTON ────────────────────── */
.chat-send {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--accent);
  color: #fff;
  border: none;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 1rem;
  flex-shrink: 0;
  transition: transform .15s, opacity .15s;
}
.chat-send:hover:not(:disabled) {
  transform: scale(1.06);
}
.chat-send:disabled {
  opacity: .45;
  cursor: not-allowed;
}

/* ── DARK MODE OVERRIDES ─────────────────── */
/* --text-2 en dark (#7E7A96) tiene bajo contraste sobre el fondo glass oscuro */
[data-theme="dark"] .chat-tooltip       { color: rgba(255,255,255,.78); }
[data-theme="dark"] .chat-header-title  { color: rgba(255,255,255,.90); }
[data-theme="dark"] .chat-close         { color: rgba(255,255,255,.55); }
[data-theme="dark"] .chat-msg.bot       { color: rgba(255,255,255,.82); }
[data-theme="dark"] .chat-done-msg      { color: rgba(255,255,255,.82); }
[data-theme="dark"] .chat-input         { color: rgba(255,255,255,.85); }
[data-theme="dark"] .chat-input::placeholder { color: rgba(255,255,255,.35); }

/* ── REDUCED MOTION ──────────────────────── */
@media (prefers-reduced-motion: reduce) {
  .chat-bubble,
  .chat-tooltip,
  .chat-panel,
  .chat-close,
  .chat-send {
    transition: none;
  }
  .chat-typing span {
    animation: none;
    opacity: 1;
  }
}