/* ============================================================
   CHAT DRAWER · first-person portfolio agent
   Self-contained. Loaded only where the drawer is mounted.
   Uses the site tokens (--paper/--ink/--accent/--serif/--sans/--mono).
   Single warm light theme, matching the rest of the site.
   ============================================================ */

/* ---------- persistent launcher (appears after the hero) ---------- */
.chat-fab{
  position:fixed; right:clamp(16px,3vw,28px); bottom:clamp(16px,3vw,28px);
  z-index:60; display:inline-flex; align-items:center; gap:9px;
  padding:11px 17px 11px 15px; border:1px solid var(--hair-strong);
  border-radius:999px; background:var(--card); color:var(--ink);
  font-family:var(--sans); font-size:.92rem; line-height:1; cursor:pointer;
  box-shadow:0 6px 22px rgba(50,40,25,.14);
  opacity:0; transform:translateY(10px); pointer-events:none;
  transition:opacity .3s var(--ease), transform .3s var(--ease), border-color .2s, color .2s;
}
.chat-fab.show{ opacity:1; transform:none; pointer-events:auto; }
.chat-fab:hover{ color:var(--accent); border-color:var(--accent); }
.chat-fab .fab-dot{ width:8px; height:8px; border-radius:50%; background:var(--accent); flex:none; }
.chat-fab .fab-label{ font-weight:500; }

/* ---------- scrim ---------- */
.chat-scrim{
  position:fixed; inset:0; z-index:70; background:rgba(38,30,18,.42);
  opacity:0; transition:opacity .32s var(--ease);
}
.chat-scrim.open{ opacity:1; }

/* ---------- drawer shell ---------- */
.chat-drawer{
  position:fixed; top:0; right:0; z-index:80;
  width:min(432px,100%); height:100dvh;
  display:flex; flex-direction:column;
  background:var(--paper); border-left:1px solid var(--hair-strong);
  box-shadow:-18px 0 48px rgba(50,40,25,.16);
  transform:translateX(100%); transition:transform .34s var(--ease);
}
.chat-drawer.open{ transform:none; }

/* ---------- header ---------- */
.chat-head{
  flex:none; display:flex; align-items:flex-start; justify-content:space-between;
  gap:14px; padding:16px 18px 14px; border-bottom:1px solid var(--hair);
}
.chat-id{ display:flex; flex-direction:column; gap:4px; min-width:0; }
.chat-title{ font-family:var(--serif); font-size:1.32rem; line-height:1.05; color:var(--ink); }
.chat-badge{
  font-size:.58rem; letter-spacing:.13em; text-transform:uppercase;
  color:var(--sub); display:inline-flex; align-items:center; gap:6px;
}
.chat-badge::before{ content:""; width:6px; height:6px; border-radius:50%; background:var(--accent); flex:none; }
.chat-head-actions{ display:flex; align-items:center; gap:6px; flex:none; }
.chat-clear{
  border:0; background:none; cursor:pointer; color:var(--sub);
  font-family:var(--mono); font-size:.6rem; letter-spacing:.13em; text-transform:uppercase;
  padding:6px 8px; border-radius:6px; transition:color .2s;
}
.chat-clear:hover{ color:var(--accent); }
.chat-close{
  border:0; background:none; cursor:pointer; color:var(--sub);
  font-size:1.5rem; line-height:1; width:34px; height:34px; border-radius:8px;
  display:grid; place-items:center; transition:color .2s, background .2s;
}
.chat-close:hover{ color:var(--accent); background:rgba(138,60,28,.07); }

/* ---------- message log ---------- */
.chat-log{
  flex:1 1 auto; overflow-y:auto; overscroll-behavior:contain;
  padding:18px; display:flex; flex-direction:column; gap:16px;
  scroll-behavior:smooth;
}
.msg{ display:flex; flex-direction:column; gap:5px; max-width:88%; }
.msg.user{ align-self:flex-end; align-items:flex-end; }
.msg.agent{ align-self:flex-start; align-items:flex-start; }
.msg .role{
  font-family:var(--mono); font-size:.56rem; letter-spacing:.15em;
  text-transform:uppercase; color:var(--sub);
}
.msg.user .role{ color:var(--accent); }
.bubble{
  font-family:var(--sans); font-size:.95rem; line-height:1.5; color:var(--ink);
  padding:11px 14px; border-radius:14px;
}
.msg.user .bubble{
  background:var(--accent-soft); border:1px solid #e0cbb6;
  border-bottom-right-radius:5px;
}
.msg.agent .bubble{
  background:var(--card); border:1px solid var(--hair-strong);
  border-bottom-left-radius:5px;
}
.bubble p{ margin:0 0 .55em; }
.bubble p:last-child{ margin-bottom:0; }
.bubble strong{ font-weight:600; }
.bubble ul{ margin:.3em 0 .55em; padding-left:1.15em; }
.bubble li{ margin:.16em 0; }
.bubble a{ color:var(--accent); text-underline-offset:2px; }

/* grounded-in sources line under an agent reply */
.msg .sources{
  font-family:var(--mono); font-size:.62rem; color:var(--sub);
  display:flex; flex-wrap:wrap; gap:4px 8px; align-items:baseline;
}
.msg .sources b{ font-weight:400; letter-spacing:.1em; text-transform:uppercase; font-size:.56rem; }
.msg .sources a{ color:var(--sub); text-underline-offset:2px; }
.msg .sources a:hover{ color:var(--accent); }

/* server-derived actions: prefilled email card + case cards */
.msg .act-email{
  margin-top:8px; padding:12px 14px; border:1px solid var(--hair-strong);
  border-radius:12px; background:var(--card); max-width:92%;
}
.msg .act-head{
  font-family:var(--mono); font-size:.56rem; letter-spacing:.1em;
  text-transform:uppercase; color:var(--sub); margin:0 0 8px;
}
.msg .act-send{
  display:inline-block; font-family:var(--mono); font-size:.72rem;
  color:var(--accent-deep); border:1px solid var(--accent-soft);
  border-radius:100px; padding:7px 13px; text-decoration:none;
  transition:border-color .2s var(--ease), background .2s var(--ease);
}
.msg .act-send:hover{ border-color:var(--accent); background:var(--accent-soft); }
.msg .act-alt{
  font-size:.68rem; color:var(--sub); margin:8px 0 0; line-height:1.5;
}
.msg .act-alt a{ color:var(--accent); text-underline-offset:2px; }
.msg .act-cards{ margin-top:8px; display:flex; flex-direction:column; gap:6px; max-width:92%; }
.msg .act-card{
  display:flex; flex-direction:column; gap:4px; padding:10px 13px;
  border:1px solid var(--hair); border-radius:10px; background:var(--card);
  color:var(--ink); text-decoration:none;
  transition:border-color .2s var(--ease);
}
.msg .act-card:hover{ border-color:var(--accent); }
.msg .act-card strong{ font-weight:600; font-size:.78rem; line-height:1.4; }
.msg .act-tag{
  font-family:var(--mono); font-size:.54rem; letter-spacing:.08em;
  text-transform:uppercase; color:var(--sub);
}
.msg .act-req{
  font-family:var(--mono); font-size:.6rem; color:var(--accent-deep);
  text-decoration:none; margin-top:2px;
}
.msg .act-req:hover{ color:var(--accent); }

/* thinking indicator */
.bubble.thinking{ display:inline-flex; gap:5px; padding:14px 15px; }
.bubble.thinking i{
  width:6px; height:6px; border-radius:50%; background:var(--sub); opacity:.5;
  animation:chat-blink 1.2s infinite both;
}
.bubble.thinking i:nth-child(2){ animation-delay:.18s; }
.bubble.thinking i:nth-child(3){ animation-delay:.36s; }
@keyframes chat-blink{ 0%,80%,100%{ opacity:.25; } 40%{ opacity:.9; } }

/* ---------- suggestion chips ---------- */
.chat-suggest{
  flex:none; display:flex; flex-wrap:wrap; gap:8px;
  padding:0 18px 14px; border-bottom:1px solid var(--hair);
}
.chat-suggest[hidden]{ display:none; }
.chip{
  border:1px solid var(--hair-strong); background:var(--paper); cursor:pointer;
  color:var(--accent); font-family:var(--sans); font-size:.82rem; line-height:1.2;
  padding:7px 13px; border-radius:999px; transition:background .2s, border-color .2s;
}
.chip:hover{ background:var(--accent-soft); border-color:var(--accent); }

/* ---------- composer ---------- */
.chat-compose{
  flex:none; display:flex; align-items:center; gap:10px;
  padding:12px 14px; border-top:1px solid var(--hair);
}
.chat-input{
  flex:1; min-width:0; border:1px solid var(--hair-strong); border-radius:999px;
  background:var(--card); font:inherit; font-size:.95rem; color:var(--ink);
  padding:10px 16px; transition:border-color .2s, box-shadow .2s;
}
.chat-input::placeholder{ color:var(--sub); }
.chat-input:focus{ outline:none; border-color:var(--accent); box-shadow:0 0 0 3px rgba(138,60,28,.12); }
.chat-send{
  flex:none; border:1px solid var(--accent); background:var(--accent); color:#fbf6ee;
  cursor:pointer; font-family:var(--mono); font-size:.6rem; letter-spacing:.14em;
  text-transform:uppercase; padding:10px 15px; border-radius:999px;
  transition:opacity .2s, background .2s;
}
.chat-send:hover{ background:var(--accent-deep); }
.chat-send:disabled{ opacity:.45; cursor:default; }

/* ---------- footer disclaimer ---------- */
.chat-foot{
  flex:none; padding:0 18px 14px; margin:0;
  font-family:var(--mono); font-size:.6rem; line-height:1.5; color:var(--sub);
}
.chat-foot a{ color:var(--sub); text-underline-offset:2px; }
.chat-foot a:hover{ color:var(--accent); }

/* ---------- docked mode (wide viewports) ----------
   When the drawer opens, the page shifts left instead of being covered:
   body gets padding equal to the drawer width, so every part of the page
   stays visible and interactive beside the panel. Scrim never shows. */
@media (min-width:1000px){
  body{ transition:padding-right .34s var(--ease); }
  body.chat-docked{ padding-right:min(432px,42vw); }
  body.chat-docked .chat-scrim{ display:none; }
  body.chat-docked .chat-drawer{ width:min(432px,42vw); }
}
@media (prefers-reduced-motion:reduce){
  body{ transition:none; }
}

/* ---------- mobile: bottom sheet ---------- */
@media (max-width:560px){
  .chat-drawer{
    width:100%; height:92dvh; top:auto; bottom:0; right:0; left:0;
    border-left:0; border-top:1px solid var(--hair-strong);
    border-radius:18px 18px 0 0; transform:translateY(100%);
  }
  .chat-drawer.open{ transform:none; }
  .msg{ max-width:92%; }
}

/* ---------- reduced motion ---------- */
@media (prefers-reduced-motion:reduce){
  .chat-fab,.chat-scrim,.chat-drawer{ transition:none; }
  .chat-log{ scroll-behavior:auto; }
  .bubble.thinking i{ animation:none; opacity:.6; }
}