:root {
  --ink: #0E1210;
  --ink-2: #161c19;
  --ink-3: #1f2723;
  --gold: #D4A94E;
  --gold-2: #e7c57c;
  --cream: #F5EFE3;
  --cream-2: #e9e0cf;
  --muted: #a7a596;
  --line: rgba(212, 169, 78, .22);
  --wa: #25D366;
  --err: #e7836f;
}
* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  background: var(--ink);
  color: var(--cream);
  font: 16px/1.5 "Manrope", system-ui, -apple-system, "Segoe UI", sans-serif;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--gold-2); }

.zc-app {
  max-width: 760px;
  margin: 0 auto;
  height: 100dvh;
  display: flex;
  flex-direction: column;
  background:
    radial-gradient(120% 60% at 50% -10%, rgba(212,169,78,.12), transparent 60%),
    var(--ink);
}

/* top bar */
.zc-top {
  display: flex; align-items: center; gap: 12px;
  padding: calc(10px + env(safe-area-inset-top)) 16px 10px;
  border-bottom: 1px solid var(--line);
  background: rgba(14,18,16,.92);
  position: sticky; top: 0; z-index: 2;
}
.zc-brand img { display: block; width: 40px; height: 40px; border-radius: 50%; border: 1px solid var(--line); background: #000; }
.zc-who { flex: 1; min-width: 0; }
.zc-name { font-family: "Fraunces", Georgia, serif; font-weight: 700; font-size: 19px; letter-spacing: .2px; }
.zc-tag { font: 600 11px/1 "Manrope", sans-serif; color: var(--ink); background: var(--gold); padding: 3px 7px; border-radius: 99px; vertical-align: 3px; margin-left: 4px; }
.zc-status { font-size: 12.5px; color: var(--muted); display: flex; align-items: center; gap: 6px; }
.zc-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--wa); box-shadow: 0 0 0 3px rgba(37,211,102,.18); }
.zc-wa {
  display: inline-flex; align-items: center; gap: 6px;
  text-decoration: none; color: #062b14; background: var(--wa);
  font-weight: 700; font-size: 14px; padding: 8px 12px; border-radius: 99px;
}

/* messages */
.zc-log { flex: 1; overflow-y: auto; padding: 18px 16px 8px; display: flex; flex-direction: column; gap: 10px; scroll-behavior: smooth; }
.zc-msg { max-width: 86%; padding: 10px 14px; border-radius: 18px; white-space: pre-wrap; word-wrap: break-word; overflow-wrap: anywhere; font-size: 15.5px; }
.zc-bot { align-self: flex-start; background: var(--ink-3); border: 1px solid var(--line); border-bottom-left-radius: 6px; }
.zc-me { align-self: flex-end; background: var(--gold); color: var(--ink); border-bottom-right-radius: 6px; font-weight: 500; }
.zc-me a { color: var(--ink); }
.zc-bot b { color: var(--gold-2); }
.zc-actions { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 10px; }
.zc-act {
  display: inline-flex; align-items: center; gap: 6px; text-decoration: none;
  font-weight: 700; font-size: 14px; padding: 8px 12px; border-radius: 12px;
  border: 1px solid var(--line); color: var(--cream); background: var(--ink-2); cursor: pointer;
  font-family: inherit;
}
.zc-act.wa { background: var(--wa); color: #062b14; border-color: transparent; }
.zc-act.gold { background: var(--gold); color: var(--ink); border-color: transparent; }
.zc-typing { align-self: flex-start; display: inline-flex; gap: 5px; padding: 14px 16px; background: var(--ink-3); border: 1px solid var(--line); border-radius: 18px; border-bottom-left-radius: 6px; }
.zc-typing i { width: 7px; height: 7px; border-radius: 50%; background: var(--gold); opacity: .4; animation: zcB 1.1s infinite; }
.zc-typing i:nth-child(2) { animation-delay: .15s; }
.zc-typing i:nth-child(3) { animation-delay: .3s; }
@keyframes zcB { 0%, 80%, 100% { opacity: .3; transform: translateY(0); } 40% { opacity: 1; transform: translateY(-3px); } }

/* quick chips */
.zc-chips { display: flex; gap: 8px; overflow-x: auto; padding: 6px 16px 8px; scrollbar-width: none; }
.zc-chips::-webkit-scrollbar { display: none; }
.zc-chip {
  flex: 0 0 auto; border: 1px solid var(--gold); color: var(--gold-2); background: transparent;
  font: 600 14px/1 "Manrope", sans-serif; padding: 9px 13px; border-radius: 99px; cursor: pointer;
}
.zc-chip:active { background: rgba(212,169,78,.15); }

/* composer */
.zc-bar { display: flex; align-items: flex-end; gap: 8px; padding: 8px 12px; border-top: 1px solid var(--line); background: var(--ink); }
.zc-bar textarea {
  flex: 1; min-width: 0; resize: none; max-height: 120px;
  font: 16px/1.4 "Manrope", sans-serif; color: var(--cream);
  background: var(--ink-2); border: 1px solid var(--line); border-radius: 20px; padding: 11px 14px; outline: none;
}
.zc-bar textarea:focus { border-color: var(--gold); }
.zc-send, .zc-cb {
  flex: 0 0 44px; height: 44px; border-radius: 50%; border: 0; cursor: pointer;
  display: inline-flex; align-items: center; justify-content: center; font-size: 18px;
}
.zc-send { background: var(--gold); color: var(--ink); }
.zc-send:disabled { opacity: .5; }
.zc-cb { background: var(--ink-3); border: 1px solid var(--line); }
.zc-note { margin: 0; padding: 0 16px calc(10px + env(safe-area-inset-bottom)); font-size: 11.5px; color: var(--muted); text-align: center; }

/* call-back sheet */
.zc-sheet { position: fixed; inset: 0; background: rgba(0,0,0,.6); display: flex; align-items: flex-end; justify-content: center; z-index: 10; }
.zc-sheet[hidden] { display: none; }
.zc-card {
  position: relative; width: 100%; max-width: 520px; background: var(--ink-2); border: 1px solid var(--line);
  border-radius: 22px 22px 0 0; padding: 22px 18px calc(18px + env(safe-area-inset-bottom));
  display: flex; flex-direction: column; gap: 12px; max-height: 92dvh; overflow-y: auto;
}
.zc-card h2 { margin: 0; font-family: "Fraunces", Georgia, serif; font-size: 22px; color: var(--gold-2); }
.zc-sub { margin: -4px 0 4px; font-size: 13.5px; color: var(--muted); }
.zc-card label { display: flex; flex-direction: column; gap: 5px; font-size: 13px; font-weight: 600; color: var(--cream-2); }
.zc-card input, .zc-card select {
  font: 16px "Manrope", sans-serif; color: var(--cream); background: var(--ink); border: 1px solid var(--line);
  border-radius: 12px; padding: 11px 12px; outline: none;
}
.zc-card input:focus, .zc-card select:focus { border-color: var(--gold); }
.zc-card .zc-chk { flex-direction: row; align-items: flex-start; gap: 8px; font-weight: 500; }
.zc-card .zc-chk input { margin-top: 3px; accent-color: var(--gold); }
.zc-hp { position: absolute; left: -9999px; width: 1px; height: 1px; opacity: 0; }
.zc-err { margin: 0; min-height: 1em; color: var(--err); font-size: 13.5px; }
.zc-primary { border: 0; border-radius: 14px; padding: 14px; font: 700 16px "Manrope", sans-serif; background: var(--gold); color: var(--ink); cursor: pointer; }
.zc-primary:disabled { opacity: .6; }
.zc-x { position: absolute; top: 10px; right: 12px; width: 36px; height: 36px; border: 0; border-radius: 50%; background: var(--ink-3); color: var(--cream); font-size: 22px; cursor: pointer; }

@media (min-width: 761px) {
  .zc-app { border-left: 1px solid var(--line); border-right: 1px solid var(--line); }
  .zc-sheet { align-items: center; }
  .zc-card { border-radius: 22px; }
}
@media (prefers-reduced-motion: reduce) {
  .zc-log { scroll-behavior: auto; }
  .zc-typing i { animation: none; opacity: .8; }
}