/* ==========================================================================
   Devsoll site assistant — widget
   Uses the tokens already defined in main.css (ink / paper / gold).
   ========================================================================== */

.agent{position:fixed;right:clamp(1rem,3vw,2rem);bottom:clamp(1rem,3vw,2rem);z-index:80;
  display:flex;flex-direction:column;align-items:flex-end;gap:.75rem}

/* --- launcher --- */
.agent__launcher{display:inline-flex;align-items:center;gap:.55rem;
  padding:.72rem 1.15rem;border:1px solid var(--ink-750);border-radius:999px;
  background:var(--ink-900);color:var(--on-dark);font:inherit;font-size:.9rem;font-weight:500;
  cursor:pointer;box-shadow:0 10px 30px rgba(6,7,10,.28);
  transition:transform .18s ease,background .18s ease,border-color .18s ease}
.agent__launcher:hover{background:var(--ink-850);border-color:var(--gold-600);transform:translateY(-1px)}
.agent__launcher:focus-visible{outline:2px solid var(--gold-400);outline-offset:3px}
.agent__launcher svg{color:var(--gold-400);flex-shrink:0}
.agent.is-open .agent__launcher{display:none}

/* --- panel --- */
.agent__panel{display:none;width:min(24rem,calc(100vw - 2rem));height:min(32rem,calc(100vh - 6rem));
  flex-direction:column;background:var(--paper);border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:0 24px 60px rgba(6,7,10,.22);overflow:hidden}
.agent.is-open .agent__panel{display:flex}

.agent__head{display:flex;align-items:center;justify-content:space-between;gap:1rem;
  padding:.9rem 1rem .9rem 1.15rem;background:var(--ink-900);color:var(--on-dark);flex-shrink:0}
.agent__title{display:flex;align-items:center;gap:.55rem;font-size:.9rem;font-weight:600;letter-spacing:.01em}
.agent__dot{width:7px;height:7px;border-radius:50%;background:var(--gold-400);flex-shrink:0}
.agent__close{display:grid;place-items:center;width:1.9rem;height:1.9rem;padding:0;border:0;border-radius:8px;
  background:transparent;color:var(--on-dark-2);cursor:pointer;transition:background .16s ease,color .16s ease}
.agent__close:hover{background:rgba(255,255,255,.09);color:var(--on-dark)}
.agent__close:focus-visible{outline:2px solid var(--gold-400);outline-offset:2px}

/* --- log --- */
.agent__log{flex:1;overflow-y:auto;padding:1.15rem;display:flex;flex-direction:column;gap:.85rem;
  background:var(--paper-2);scrollbar-width:thin}
.agent__msg{max-width:88%;font-size:.9rem;line-height:1.55}
.agent__msg p{margin:0;white-space:pre-wrap}
.agent__msg--assistant{align-self:flex-start;background:var(--paper);color:var(--text);
  border:1px solid var(--line);border-radius:2px 12px 12px 12px;padding:.7rem .9rem}
.agent__msg--user{align-self:flex-end;background:var(--ink-900);color:var(--on-dark);
  border-radius:12px 2px 12px 12px;padding:.7rem .9rem}
.agent__mail{display:block;margin-top:.5rem;font-size:.85rem;font-weight:500;color:var(--gold-600)}

/* typing indicator */
.agent__typing{display:flex;gap:.3rem;align-items:center;padding:.85rem .9rem}
.agent__typing span{width:6px;height:6px;border-radius:50%;background:var(--text-3);
  animation:agent-bounce 1.15s infinite ease-in-out}
.agent__typing span:nth-child(2){animation-delay:.16s}
.agent__typing span:nth-child(3){animation-delay:.32s}
@keyframes agent-bounce{0%,70%,100%{opacity:.28;transform:translateY(0)}35%{opacity:1;transform:translateY(-3px)}}

/* --- suggestion chips --- */
.agent__chips{display:flex;flex-wrap:wrap;gap:.4rem;margin-top:.15rem}
.agent__chip{padding:.42rem .7rem;border:1px solid var(--line-strong);border-radius:999px;
  background:var(--paper);color:var(--text-2);font:inherit;font-size:.8rem;cursor:pointer;
  transition:border-color .16s ease,color .16s ease}
.agent__chip:hover{border-color:var(--gold-500);color:var(--text)}
.agent__chip:focus-visible{outline:2px solid var(--gold-500);outline-offset:2px}

/* --- note + form --- */
.agent__note{margin:0;padding:.6rem 1.15rem;font-size:.72rem;line-height:1.45;color:var(--text-3);
  background:var(--paper);border-top:1px solid var(--line)}
.agent__form{display:flex;gap:.5rem;padding:.75rem;background:var(--paper);border-top:1px solid var(--line);flex-shrink:0}
.agent__input{flex:1;min-width:0;padding:.62rem .8rem;border:1px solid var(--line-strong);border-radius:9px;
  background:var(--paper);color:var(--text);font:inherit;font-size:.9rem}
.agent__input::placeholder{color:var(--text-3)}
.agent__input:focus{outline:2px solid var(--gold-500);outline-offset:-1px;border-color:transparent}
.agent__input:disabled{opacity:.55}
.agent__send{display:grid;place-items:center;width:2.4rem;flex-shrink:0;padding:0;border:0;border-radius:9px;
  background:var(--ink-900);color:var(--gold-400);cursor:pointer;transition:background .16s ease}
.agent__send:hover:not(:disabled){background:var(--ink-750)}
.agent__send:disabled{opacity:.45;cursor:default}
.agent__send:focus-visible{outline:2px solid var(--gold-500);outline-offset:2px}

@media (max-width:30rem){
  .agent{right:.75rem;bottom:.75rem;left:.75rem;align-items:stretch}
  .agent__panel{width:100%;height:min(30rem,calc(100vh - 5rem))}
  .agent__launcher{align-self:flex-end}
}
@media (prefers-reduced-motion:reduce){
  .agent__launcher,.agent__close,.agent__chip,.agent__send{transition:none}
  .agent__typing span{animation:none;opacity:.5}
}