/* Intercambie.ME · Chat global (issue #5): lançador flutuante + painel lateral com Chat e Ligar.
   Usa as variáveis do app.css (--surface, --text, --primary…), então o modo escuro vem junto. */

:root { --ic-chat-width: 400px; }

.ic-chat-launcher {
  position: fixed; right: 16px; bottom: calc(16px + env(safe-area-inset-bottom)); z-index: 80;
  display: inline-flex; align-items: center; gap: 6px; height: 38px; padding: 0 14px 0 12px;
  border: 0; border-radius: 999px; background: var(--gradient, #615dfa); color: #fff;
  font: 700 13px/1 var(--font, system-ui); cursor: pointer;
  box-shadow: 0 6px 22px rgba(97, 93, 250, .35);
  transition: transform .15s ease, box-shadow .15s ease, opacity .15s ease;
}
.ic-chat-launcher:hover { transform: translateY(-1px); box-shadow: 0 10px 28px rgba(97, 93, 250, .45); }
.ic-chat-launcher:focus-visible { outline: 3px solid var(--accent, #23d2e2); outline-offset: 2px; }
.ic-chat-launcher .ico { width: 18px; height: 18px; }
.ic-chat-open .ic-chat-launcher { opacity: 0; pointer-events: none; }
@media (max-width: 900px) {
  .ic-chat-launcher { bottom: calc(68px + env(safe-area-inset-bottom)); right: 12px; height: 36px; padding: 0 12px 0 10px; }
}

.ic-chat {
  position: fixed; top: 0; right: 0; bottom: 0; z-index: 90;
  width: min(var(--ic-chat-width), 100vw);
  display: flex; flex-direction: column;
  background: var(--surface, #fff); color: var(--text, #2f3052);
  border-left: 1px solid var(--border, #e6e7f2);
  box-shadow: var(--shadow-lg, 0 10px 40px rgba(0, 0, 0, .15));
  font-size: 13px;
}
.ic-chat[hidden] { display: none; }
@media (max-width: 640px) { .ic-chat { width: 100vw; border-left: 0; } .ic-chat__resize { display: none; } }

.ic-chat__resize {
  position: absolute; left: -5px; top: 0; bottom: 0; width: 10px; cursor: ew-resize; z-index: 2;
  display: flex; align-items: center; justify-content: center;
}
.ic-chat__resize span { width: 3px; height: 38px; border-radius: 3px; background: var(--border, #e6e7f2); opacity: 0; transition: opacity .15s; }
.ic-chat__resize:hover span, .ic-chat__resize:focus-visible span { opacity: 1; background: var(--primary, #615dfa); }
.ic-chat__resize:focus-visible { outline: none; }

.ic-chat__head {
  display: flex; align-items: center; gap: 9px; padding: 10px 10px 10px 14px;
  border-bottom: 1px solid var(--border, #e6e7f2);
}
.ic-chat__badge {
  width: 28px; height: 28px; border-radius: 9px; display: grid; place-items: center; flex: 0 0 auto;
  background: var(--gradient, #615dfa); color: #fff;
}
.ic-chat__title { flex: 1 1 auto; min-width: 0; }
.ic-chat__title small { display: block; color: var(--muted, #8f91ac); font-size: 11px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.ic-chat__title h2 { margin: 0; font-size: 14px; line-height: 1.2; }
.ic-chat__actions { display: flex; gap: 2px; }
.ic-chat__icon {
  width: 30px; height: 30px; border-radius: 8px; border: 0; background: transparent; color: var(--text-2, #5b5d7e);
  display: grid; place-items: center; cursor: pointer;
}
.ic-chat__icon:hover, .ic-chat__icon[aria-expanded="true"] { background: var(--surface-2, #f7f7fd); color: var(--primary, #615dfa); }
.ic-chat__icon:focus-visible, .ic-chat button:focus-visible, .ic-chat a:focus-visible { outline: 2px solid var(--primary, #615dfa); outline-offset: 1px; }

.ic-chat__new { position: relative; }
.ic-chat__menu {
  position: absolute; right: 0; top: calc(100% + 4px); z-index: 5; min-width: 220px; padding: 4px;
  background: var(--surface, #fff); border: 1px solid var(--border, #e6e7f2); border-radius: 10px; box-shadow: var(--shadow-lg);
}
.ic-chat__menu[hidden] { display: none; }
.ic-chat__menu button {
  display: flex; align-items: flex-start; gap: 9px; width: 100%; padding: 7px 9px; border: 0; border-radius: 7px;
  background: transparent; color: var(--text, #2f3052); text-align: left; font: 600 13px/1.3 var(--font, system-ui); cursor: pointer;
}
.ic-chat__menu button .ico { margin-top: 2px; color: var(--primary, #615dfa); flex: 0 0 auto; }
.ic-chat__menu button small { display: block; font-weight: 400; font-size: 11px; color: var(--muted, #8f91ac); }
.ic-chat__menu button em { font-style: normal; font-size: 10px; font-weight: 700; text-transform: uppercase; letter-spacing: .03em; color: var(--muted); margin-left: 4px; }
.ic-chat__menu button:hover:not(:disabled), .ic-chat__menu button:focus-visible { background: var(--surface-2, #f7f7fd); }
.ic-chat__menu button:disabled { cursor: not-allowed; opacity: .6; }

.ic-chat__conversation { position: relative; flex: 1 1 auto; min-height: 0; display: flex; }
.ic-chat__messages { flex: 1 1 auto; overflow-y: auto; padding: 12px 14px; display: flex; flex-direction: column; gap: 10px; scroll-behavior: smooth; }
.ic-chat__messages:focus-visible { outline: none; box-shadow: inset 0 0 0 2px var(--primary-50, #efeefe); }
.ic-chat__latest {
  position: absolute; left: 50%; bottom: 8px; transform: translateX(-50%);
  display: inline-flex; align-items: center; gap: 4px; padding: 5px 10px; border-radius: 999px;
  border: 1px solid var(--border); background: var(--surface); color: var(--text-2); font-size: 12px; font-weight: 600;
  box-shadow: var(--shadow); cursor: pointer;
}
.ic-chat__latest[hidden] { display: none; }

.ic-msg { max-width: 92%; line-height: 1.5; word-wrap: break-word; overflow-wrap: anywhere; }
.ic-msg--user {
  align-self: flex-end; padding: 7px 11px; border-radius: 12px 12px 3px 12px;
  background: var(--primary, #615dfa); color: #fff; white-space: pre-wrap;
}
.ic-msg--assistant { align-self: flex-start; padding: 8px 11px; border-radius: 12px 12px 12px 3px; background: var(--surface-2, #f7f7fd); border: 1px solid var(--border); }
.ic-msg--assistant p { margin: 0 0 6px; }
.ic-msg--assistant p:last-child { margin-bottom: 0; }
.ic-msg--assistant ul, .ic-msg--assistant ol { margin: 4px 0 6px; padding-left: 18px; }
.ic-msg--assistant li { margin: 2px 0; }
.ic-msg--assistant a { color: var(--primary, #615dfa); font-weight: 600; }
.ic-msg--assistant code { font-size: 12px; background: var(--primary-50); padding: 0 4px; border-radius: 4px; }
.ic-msg.is-pending .ic-msg__text::after { content: ''; display: inline-block; width: 6px; height: 6px; margin-left: 2px; border-radius: 50%; background: var(--primary); animation: ic-pulse 1s infinite ease-in-out; }
.ic-msg.is-streaming:not(.is-pending) .ic-msg__text > :last-child::after { content: ''; display: inline-block; width: 7px; height: 13px; margin-left: 2px; vertical-align: -2px; background: var(--primary); opacity: .6; animation: ic-blink 1s steps(2) infinite; }
.ic-msg__error { margin-top: 6px; font-size: 12px; color: var(--danger, #ef4444); }
.ic-msg__error button { margin-left: 6px; border: 0; background: none; color: var(--primary); font-weight: 700; cursor: pointer; padding: 0; }
@keyframes ic-pulse { 0%, 100% { opacity: .25; } 50% { opacity: 1; } }
@keyframes ic-blink { to { opacity: 0; } }

.ic-sources { margin-top: 7px; border-top: 1px dashed var(--border); padding-top: 6px; font-size: 12px; }
.ic-sources summary { cursor: pointer; color: var(--muted); font-weight: 600; }
.ic-sources ul { list-style: none; padding: 0; margin: 5px 0 0; display: flex; flex-wrap: wrap; gap: 5px; }
.ic-sources a {
  display: inline-block; max-width: 100%; padding: 2px 8px; border-radius: 999px; font-weight: 600;
  background: var(--primary-50, #efeefe); color: var(--primary, #615dfa); white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.ic-sources a:hover { text-decoration: none; filter: brightness(1.05); }

.ic-chat__suggestions { display: flex; flex-wrap: wrap; gap: 5px; padding: 0 14px 8px; }
.ic-chat__suggestions[hidden] { display: none; }
.ic-chat__suggestions button {
  border: 1px solid var(--border); background: var(--surface); color: var(--text-2); border-radius: 999px;
  padding: 4px 10px; font: 600 12px/1.3 var(--font, system-ui); cursor: pointer;
}
.ic-chat__suggestions button:hover { border-color: var(--primary); color: var(--primary); }
.ic-chat__suggestions button:disabled { opacity: .5; cursor: default; }

.ic-chat__status { margin: 0; padding: 0 14px; min-height: 0; font-size: 11px; color: var(--muted); }
.ic-chat__status:empty { display: none; }

.ic-chat__form { padding: 8px 12px calc(10px + env(safe-area-inset-bottom)); border-top: 1px solid var(--border); }
.ic-chat__compose {
  display: flex; align-items: flex-end; gap: 6px; padding: 5px 5px 5px 10px; border-radius: 12px;
  border: 1px solid var(--border); background: var(--surface-2);
}
.ic-chat__compose:focus-within { border-color: var(--primary); box-shadow: 0 0 0 3px var(--primary-50); }
.ic-chat__compose textarea {
  flex: 1 1 auto; min-height: 24px; max-height: 140px; resize: none; border: 0; outline: 0; background: transparent;
  color: var(--text); font: 13px/1.45 var(--font, system-ui); padding: 4px 0;
}
.ic-chat__send, .ic-chat__stop {
  width: 30px; height: 30px; flex: 0 0 auto; border: 0; border-radius: 9px; display: grid; place-items: center; cursor: pointer;
  background: var(--gradient, #615dfa); color: #fff;
}
.ic-chat__stop { background: var(--text-2); }
.ic-chat__send[hidden], .ic-chat__stop[hidden] { display: none; }
.ic-chat__foot { display: flex; justify-content: space-between; align-items: center; gap: 8px; margin-top: 5px; font-size: 11px; }
.ic-chat__foot a { color: var(--text-2); display: inline-flex; align-items: center; gap: 3px; font-weight: 600; }
.ic-chat__quota { margin: 0; font-size: 11px; color: var(--muted); }
.ic-chat__quota.is-low { color: var(--warning, #f59e0b); font-weight: 700; }
.ic-chat__privacy { display: block; margin-top: 4px; font-size: 10.5px; line-height: 1.4; color: var(--muted); }
.ic-chat__privacy a { color: var(--text-2); text-decoration: underline; }

/* Ligar ------------------------------------------------------------------- */
.ic-voice { flex: 1 1 auto; min-height: 0; overflow-y: auto; display: flex; flex-direction: column; gap: 10px; padding: 12px 14px; }
.ic-voice[hidden] { display: none; }
.ic-chat--voice .ic-chat__conversation, .ic-chat--voice .ic-chat__suggestions, .ic-chat--voice .ic-chat__form, .ic-chat--voice .ic-chat__status { display: none; }
.ic-voice h3 { margin: 0; font-size: 14px; }
.ic-voice__note {
  display: flex; gap: 7px; align-items: flex-start; margin: 6px 0 10px; padding: 8px 10px; border-radius: 10px;
  background: var(--accent-50, #e3fafc); color: var(--text); font-size: 12px; line-height: 1.45;
}
.ic-voice__note .ico { flex: 0 0 auto; margin-top: 2px; color: var(--accent, #23d2e2); }
.ic-voice__grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(104px, 1fr)); gap: 8px; }
.ic-voice__grid button {
  display: flex; flex-direction: column; align-items: center; gap: 5px; padding: 9px 6px; border-radius: 10px;
  border: 1px solid var(--border); background: var(--surface); color: var(--text); cursor: pointer; font: 600 12px/1.25 var(--font, system-ui); text-align: center;
}
.ic-voice__grid button:hover { border-color: var(--primary); box-shadow: 0 0 0 3px var(--primary-50); }
.ic-voice__grid img { width: 44px; height: 44px; border-radius: 50%; object-fit: cover; background: var(--surface-2); }
.ic-voice__grid span { display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.ic-voice__grid small { color: var(--muted); font-weight: 400; font-size: 10.5px; display: -webkit-box; -webkit-line-clamp: 1; -webkit-box-orient: vertical; overflow: hidden; }
.ic-voice__grid p { grid-column: 1 / -1; color: var(--muted); margin: 0; }

.ic-voice__call { display: flex; flex-direction: column; align-items: center; text-align: center; gap: 6px; padding-top: 8px; }
.ic-voice__call[hidden], .ic-voice__choose[hidden] { display: none; }
.ic-voice__portrait { width: 88px; height: 88px; border-radius: 50%; object-fit: cover; box-shadow: 0 0 0 4px var(--primary-50); transition: box-shadow .2s; }
.ic-voice__call[data-state="speaking"] .ic-voice__portrait { box-shadow: 0 0 0 6px var(--accent, #23d2e2); }
.ic-voice__call[data-state="listening"] .ic-voice__portrait { box-shadow: 0 0 0 5px var(--primary, #615dfa); }
.ic-voice__ai { margin: 0; font-size: 11px; color: var(--muted); }
.ic-voice__clock { margin: 4px 0 0; font: 800 26px/1 var(--font, system-ui); font-variant-numeric: tabular-nums; }
.ic-voice__state { margin: 0; min-height: 18px; color: var(--text-2); }
.ic-voice__hangup, .ic-voice__back {
  display: inline-flex; align-items: center; gap: 6px; padding: 8px 16px; border-radius: 999px; border: 0; cursor: pointer;
  font: 700 13px/1 var(--font, system-ui);
}
.ic-voice__hangup { background: var(--danger, #ef4444); color: #fff; }
.ic-voice__back { background: var(--surface-2); color: var(--text); border: 1px solid var(--border); }
.ic-voice__hangup[hidden], .ic-voice__back[hidden] { display: none; }
.ic-voice__privacy { margin-top: auto; font-size: 10.5px; color: var(--muted); }
.ic-voice__privacy a { color: var(--text-2); text-decoration: underline; }

@media (prefers-reduced-motion: reduce) {
  .ic-chat-launcher, .ic-voice__portrait { transition: none; }
  .ic-chat__messages { scroll-behavior: auto; }
  .ic-msg.is-pending .ic-msg__text::after, .ic-msg.is-streaming .ic-msg__text > :last-child::after { animation: none; }
}