.idn-assistant,
.idn-assistant * { box-sizing: border-box; }

.idn-assistant {
  --ia-bg: #08080c;
  --ia-card: rgba(15, 15, 22, .88);
  --ia-text: #f5f5f7;
  --ia-dim: #a0a0aa;
  --ia-line: rgba(255, 255, 255, .1);
  --ia-iris: linear-gradient(135deg, #ec4899, #a855f7 38%, #3b82f6 72%, #06b6d4);
  position: fixed;
  right: max(22px, env(safe-area-inset-right));
  bottom: max(22px, env(safe-area-inset-bottom));
  z-index: 8000;
  font-family: 'Inter', system-ui, sans-serif;
  color: var(--ia-text);
}

.idn-assistant button,
.idn-assistant input,
.idn-assistant textarea { font: inherit; }

.idn-assistant__launcher {
  position: relative;
  width: 66px;
  height: 66px;
  padding: 0;
  display: grid;
  place-items: center;
  border: 1px solid rgba(255, 255, 255, .18);
  border-radius: 23px;
  background: rgba(8, 8, 12, .86);
  box-shadow: 0 20px 60px rgba(0, 0, 0, .48), 0 0 42px rgba(168, 85, 247, .22);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  cursor: pointer;
  isolation: isolate;
  transition: transform .35s cubic-bezier(.25, 1, .5, 1), border-color .25s ease;
}

.idn-assistant__launcher::before {
  content: '';
  position: absolute;
  inset: -2px;
  z-index: -1;
  border-radius: 25px;
  background: var(--ia-iris);
  opacity: .68;
  filter: blur(9px);
  animation: idn-assistant-breathe 3.4s ease-in-out infinite;
}

.idn-assistant__launcher:hover { transform: translateY(-4px) scale(1.02); border-color: rgba(255,255,255,.38); }
.idn-assistant__launcher:focus-visible,
.idn-assistant button:focus-visible,
.idn-assistant input:focus-visible,
.idn-assistant textarea:focus-visible { outline: 2px solid #a855f7; outline-offset: 3px; }
.idn-assistant__launcher img { width: 39px; height: 28px; object-fit: contain; }
.idn-assistant__launcher-close { display: none; font-size: 26px; line-height: 1; }
.idn-assistant.is-open .idn-assistant__launcher img { display: none; }
.idn-assistant.is-open .idn-assistant__launcher-close { display: block; }

.idn-assistant__panel {
  position: absolute;
  right: 0;
  bottom: 82px;
  width: min(400px, calc(100vw - 32px));
  height: min(690px, calc(100vh - 126px));
  min-height: 520px;
  display: grid;
  grid-template-rows: auto 1fr auto;
  overflow: hidden;
  border: 1px solid rgba(255,255,255,.12);
  border-radius: 28px;
  background:
    radial-gradient(circle at 100% 0, rgba(168,85,247,.18), transparent 35%),
    radial-gradient(circle at 0 100%, rgba(6,182,212,.1), transparent 40%),
    var(--ia-card);
  box-shadow: 0 32px 100px rgba(0,0,0,.65);
  backdrop-filter: blur(28px) saturate(135%);
  -webkit-backdrop-filter: blur(28px) saturate(135%);
  opacity: 0;
  visibility: hidden;
  transform: translateY(18px) scale(.97);
  transform-origin: bottom right;
  transition: opacity .28s ease, transform .38s cubic-bezier(.25,1,.5,1), visibility .28s;
}
.idn-assistant.is-open .idn-assistant__panel { opacity: 1; visibility: visible; transform: none; }

.idn-assistant__head { padding: 20px 20px 16px; border-bottom: 1px solid var(--ia-line); }
.idn-assistant__identity { display: flex; align-items: center; gap: 12px; }
.idn-assistant__avatar { width: 43px; height: 43px; padding: 8px; border-radius: 15px; background: rgba(255,255,255,.06); border: 1px solid var(--ia-line); }
.idn-assistant__avatar img { width: 100%; height: 100%; object-fit: contain; }
.idn-assistant__name { margin: 0; font-family: 'Urbanist', sans-serif; font-size: 1rem; font-weight: 650; letter-spacing: -.02em; }
.idn-assistant__status { display: flex; align-items: center; gap: 6px; margin: 3px 0 0; color: var(--ia-dim); font-size: .72rem; }
.idn-assistant__status::before { content: ''; width: 6px; height: 6px; border-radius: 50%; background: #34d399; box-shadow: 0 0 10px #34d399; }
.idn-assistant__progress { margin-top: 15px; display: flex; align-items: center; gap: 10px; color: var(--ia-dim); font-size: .7rem; }
.idn-assistant__track { flex: 1; height: 3px; overflow: hidden; border-radius: 9px; background: rgba(255,255,255,.08); }
.idn-assistant__fill { display: block; width: 12%; height: 100%; border-radius: inherit; background: var(--ia-iris); transition: width .5s ease; }

.idn-assistant__messages { overflow-y: auto; padding: 20px; overscroll-behavior: contain; scrollbar-width: thin; scrollbar-color: rgba(168,85,247,.5) transparent; }
.idn-assistant__message { max-width: 88%; margin: 0 0 12px; padding: 12px 14px; border-radius: 17px; font-size: .87rem; line-height: 1.55; white-space: pre-wrap; animation: idn-assistant-in .32s ease both; }
.idn-assistant__message--assistant { background: rgba(255,255,255,.065); border: 1px solid rgba(255,255,255,.07); border-top-left-radius: 5px; }
.idn-assistant__message--user { margin-left: auto; background: linear-gradient(135deg, rgba(168,85,247,.88), rgba(59,130,246,.88)); border-top-right-radius: 5px; }
.idn-assistant__message--system { max-width: 100%; color: var(--ia-dim); background: transparent; border: 1px dashed var(--ia-line); font-size: .75rem; text-align: center; }
.idn-assistant__typing span { display: inline-block; width: 5px; height: 5px; margin: 0 2px; border-radius: 50%; background: #b4b4bd; animation: idn-assistant-dot 1s infinite alternate; }
.idn-assistant__typing span:nth-child(2) { animation-delay: .15s; }
.idn-assistant__typing span:nth-child(3) { animation-delay: .3s; }

.idn-assistant__quick { display: flex; flex-wrap: wrap; gap: 8px; margin: 8px 0 18px; }
.idn-assistant__chip { padding: 9px 11px; border: 1px solid rgba(255,255,255,.12); border-radius: 999px; color: #e8e8eb; background: rgba(255,255,255,.045); cursor: pointer; font-size: .75rem; transition: .2s ease; }
.idn-assistant__chip:hover { border-color: rgba(168,85,247,.7); background: rgba(168,85,247,.12); transform: translateY(-1px); }

.idn-assistant__composer { padding: 13px; border-top: 1px solid var(--ia-line); background: rgba(5,5,8,.72); }
.idn-assistant__row { display: flex; gap: 9px; align-items: flex-end; }
.idn-assistant__input { flex: 1; max-height: 100px; min-height: 45px; resize: none; padding: 12px 14px; border: 1px solid rgba(255,255,255,.1); border-radius: 15px; color: var(--ia-text); background: rgba(255,255,255,.05); line-height: 1.35; }
.idn-assistant__input::placeholder { color: #777782; }
.idn-assistant__send { width: 45px; height: 45px; flex: 0 0 45px; display: grid; place-items: center; border: 0; border-radius: 15px; color: white; background: var(--ia-iris); cursor: pointer; box-shadow: 0 8px 24px rgba(168,85,247,.26); }
.idn-assistant__send:disabled { filter: grayscale(1); opacity: .45; cursor: wait; }
.idn-assistant__meta { display: flex; justify-content: space-between; align-items: center; gap: 10px; margin-top: 9px; color: #777782; font-size: .64rem; }
.idn-assistant__brief-open { padding: 0; border: 0; color: #c4b5fd; background: none; cursor: pointer; }

.idn-assistant__lead { position: absolute; inset: 0; z-index: 3; padding: 24px; overflow-y: auto; background: rgba(8,8,12,.98); transform: translateX(102%); transition: transform .38s cubic-bezier(.25,1,.5,1); }
.idn-assistant.is-lead-open .idn-assistant__lead { transform: none; }
.idn-assistant__lead h3 { margin: 18px 0 6px; font: 650 1.4rem/1.15 'Urbanist', sans-serif; letter-spacing: -.035em; }
.idn-assistant__lead-sub { margin: 0 0 20px; color: var(--ia-dim); font-size: .82rem; line-height: 1.55; }
.idn-assistant__back { padding: 0; border: 0; color: #c4b5fd; background: none; cursor: pointer; font-size: .78rem; }
.idn-assistant__field { display: block; margin: 0 0 13px; color: #d7d7dc; font-size: .72rem; }
.idn-assistant__field input { width: 100%; margin-top: 6px; padding: 12px; border: 1px solid var(--ia-line); border-radius: 12px; color: white; background: rgba(255,255,255,.05); }
.idn-assistant__consent { display: grid; grid-template-columns: 18px 1fr; gap: 9px; align-items: start; margin: 16px 0; color: var(--ia-dim); font-size: .7rem; line-height: 1.45; }
.idn-assistant__consent input { margin: 2px 0 0; accent-color: #a855f7; }
.idn-assistant__consent a { color: #c4b5fd; }
.idn-assistant__submit { width: 100%; padding: 13px 16px; border: 0; border-radius: 14px; color: white; background: var(--ia-iris); cursor: pointer; font-weight: 650; }
.idn-assistant__brief { margin: 15px 0; padding: 14px; border: 1px solid var(--ia-line); border-radius: 14px; background: rgba(255,255,255,.04); color: #d9d9df; font-size: .72rem; line-height: 1.55; white-space: pre-wrap; }
.idn-assistant__notice { margin: 12px 0 0; min-height: 1.4em; color: var(--ia-dim); font-size: .72rem; }

@keyframes idn-assistant-breathe { 50% { opacity: .35; transform: scale(1.06); } }
@keyframes idn-assistant-in { from { opacity: 0; transform: translateY(8px); } }
@keyframes idn-assistant-dot { to { opacity: .25; transform: translateY(-2px); } }

@media (max-width: 640px) {
  .idn-assistant { right: 14px; bottom: max(14px, env(safe-area-inset-bottom)); }
  .idn-assistant__launcher { width: 58px; height: 58px; border-radius: 20px; }
  .idn-assistant__panel { position: fixed; inset: auto 0 0; width: 100%; height: min(86dvh, 760px); min-height: 0; border-radius: 27px 27px 0 0; transform: translateY(105%); transform-origin: bottom; }
  .idn-assistant.is-open .idn-assistant__panel { transform: none; }
  .idn-assistant.is-open .idn-assistant__launcher { opacity: 0; pointer-events: none; }
  .idn-assistant__head { padding-top: 18px; }
  .idn-assistant__head::before { content: ''; display: block; width: 42px; height: 4px; margin: -8px auto 12px; border-radius: 9px; background: rgba(255,255,255,.18); }
}

@media (prefers-reduced-motion: reduce) {
  .idn-assistant *, .idn-assistant *::before { animation: none !important; transition-duration: .01ms !important; }
}