:root {
  --paper: #f7f3ea;
  --card: #fffdf8;
  --ink: #1b1f26;
  --ink-soft: #4d5663;
  --ink-mute: #8a93a1;
  --line: #e3dccd;
  --brass: #a8702a;
  --brass-soft: #f1e3c8;
  --bar: #2f5d7c;
  --bar-soft: #c8d8e4;
  --live: #1f7a4d;
  --me: #1b1f26;
  --radius: 14px;
  --shadow: 0 10px 30px -18px rgba(27, 31, 38, .35);
  --serif: "Fraunces", Georgia, "Times New Roman", serif;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Inter, Roboto, Helvetica, Arial, sans-serif;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --paper: #15181d; --card: #1d2128; --ink: #ebe6da; --ink-soft: #b9b2a3; --ink-mute: #7d8594;
    --line: #2d333d; --brass: #d3a35a; --brass-soft: #3a2f1c; --bar: #7aa7c7; --bar-soft: #2a3a48;
    --live: #5cc08a; --me: #ebe6da; --shadow: 0 10px 30px -18px rgba(0,0,0,.8);
  }
}
:root[data-theme="dark"] {
  --paper: #15181d; --card: #1d2128; --ink: #ebe6da; --ink-soft: #b9b2a3; --ink-mute: #7d8594;
  --line: #2d333d; --brass: #d3a35a; --brass-soft: #3a2f1c; --bar: #7aa7c7; --bar-soft: #2a3a48;
  --live: #5cc08a; --me: #ebe6da; --shadow: 0 10px 30px -18px rgba(0,0,0,.8);
}

* { box-sizing: border-box; }
html, body { margin: 0; }
body { background: var(--paper); color: var(--ink); font: 15px/1.5 var(--sans); min-height: 100vh; display: flex; flex-direction: column; }
.wrap { width: 100%; max-width: 1180px; margin: 0 auto; padding: 0 16px; }
a { color: var(--brass); }
button { font: inherit; }

/* header */
.top { border-bottom: 1px solid var(--line); background: var(--paper); position: sticky; top: 0; z-index: 5; }
.top .wrap { display: flex; align-items: center; gap: 18px; height: 60px; }
.brand { display: inline-flex; align-items: center; gap: 10px; color: var(--ink); text-decoration: none; font: 700 26px/1 var(--serif); letter-spacing: -.01em; }
.brand .mark { width: 26px; height: 26px; color: var(--brass); }
.tag { margin: 0; color: var(--ink-soft); font-size: 14px; flex: 1; }
.ghost { background: transparent; border: 1px solid var(--line); color: var(--ink-soft); border-radius: 999px; padding: 6px 12px; cursor: pointer; font-size: 13px; }
.ghost:hover { border-color: var(--brass); color: var(--ink); }

/* layout */
.grid { display: grid; grid-template-columns: minmax(320px, 5fr) minmax(320px, 6fr); gap: 20px; padding-top: 20px; padding-bottom: 20px; flex: 1; align-items: start; }
@media (max-width: 860px) { .grid { grid-template-columns: 1fr; } .tag { display: none; } }

/* chat */
.chat { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); display: flex; flex-direction: column; height: calc(100vh - 120px); min-height: 520px; position: sticky; top: 80px; }
@media (max-width: 860px) { .chat { position: static; height: 70vh; min-height: 440px; } }
.msgs { flex: 1; overflow-y: auto; padding: 18px; display: flex; flex-direction: column; gap: 10px; scroll-behavior: smooth; }
.m { max-width: 86%; padding: 10px 14px; border-radius: 16px; white-space: pre-wrap; overflow-wrap: anywhere; }
.m.bot { background: var(--paper); border: 1px solid var(--line); border-top-left-radius: 5px; align-self: flex-start; }
.m.me { background: var(--me); color: var(--paper); border-top-right-radius: 5px; align-self: flex-end; }
.m.sys { align-self: center; background: transparent; color: var(--ink-mute); font-size: 12.5px; padding: 2px 8px; text-align: center; }
.m .cursor { display: inline-block; width: .55em; height: 1em; background: var(--brass); vertical-align: -.15em; margin-left: 2px; animation: blink 1s steps(2) infinite; border-radius: 2px; }
@keyframes blink { to { opacity: 0; } }
.status { padding: 0 18px 8px; color: var(--ink-mute); font-size: 12.5px; }
.status::before { content: ""; display: inline-block; width: 8px; height: 8px; border-radius: 50%; background: var(--brass); margin-right: 8px; animation: pulse 1.2s ease-in-out infinite; }
@keyframes pulse { 50% { opacity: .25; } }
.composer { display: flex; gap: 8px; padding: 12px 14px; border-top: 1px solid var(--line); }
.composer input { flex: 1; border: 1px solid var(--line); background: var(--paper); color: var(--ink); border-radius: 999px; padding: 11px 16px; font: inherit; outline: none; }
.composer input:focus { border-color: var(--brass); }
.composer button { border: 0; background: var(--brass); color: #fff; border-radius: 999px; padding: 0 18px; cursor: pointer; font-weight: 600; }
.composer button:disabled { opacity: .5; cursor: default; }
.talk { display: inline-flex; align-items: center; gap: 6px; border: 1px solid var(--line); background: var(--paper); color: var(--ink); border-radius: 999px; padding: 0 14px; cursor: pointer; font-weight: 600; }
.talk svg { width: 16px; height: 16px; fill: currentColor; }
.talk:hover { border-color: var(--brass); }
.talk.on { background: var(--brass); color: #fff; border-color: var(--brass); animation: pulse 1.4s ease-in-out infinite; }
.talk:disabled { opacity: .5; cursor: default; }
.m.voice::before { content: "🎙 "; opacity: .6; font-size: .85em; }
.fine { margin: 0; padding: 0 16px 12px; color: var(--ink-mute); font-size: 11.5px; line-height: 1.4; }

/* panel */
.panel { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); padding: 18px; min-height: 320px; }
.phead { display: flex; justify-content: space-between; gap: 12px; align-items: flex-start; flex-wrap: wrap; }
.phead h2 { margin: 0; font: 700 22px/1.2 var(--serif); }
.pnote { margin: 4px 0 0; color: var(--ink-soft); font-size: 13px; max-width: 46ch; }
.tiers { display: inline-flex; border: 1px solid var(--line); border-radius: 999px; padding: 3px; background: var(--paper); }
.tiers button { border: 0; background: transparent; color: var(--ink-soft); border-radius: 999px; padding: 5px 12px; cursor: pointer; font-size: 13px; }
.tiers button.on { background: var(--card); color: var(--ink); box-shadow: 0 1px 2px rgba(0,0,0,.12); font-weight: 600; }

.bars { margin-top: 16px; display: flex; flex-direction: column; gap: 6px; }
.empty { color: var(--ink-mute); font-size: 13.5px; text-align: center; padding: 34px 10px; }
.empty svg { width: 160px; fill: var(--bar-soft); display: block; margin: 0 auto 10px; }
.empty p { margin: 0 auto; max-width: 34ch; }

.row { display: grid; grid-template-columns: 150px 1fr 84px; gap: 10px; align-items: center; padding: 7px 8px; border-radius: 10px; cursor: pointer; transition: background .2s; border: 1px solid transparent; }
.row:hover { background: var(--paper); }
.row.chosen { background: var(--brass-soft); border-color: var(--brass); }
.row.reference { opacity: .75; }
.name { font-size: 13.5px; line-height: 1.25; min-width: 0; }
.name b { display: block; font-weight: 600; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.name small { color: var(--ink-mute); font-size: 11px; display: block; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.badge { display: inline-block; font-size: 10px; font-weight: 700; letter-spacing: .04em; text-transform: uppercase; border-radius: 4px; padding: 1px 5px; margin-right: 4px; vertical-align: 1px; }
.badge.live { background: var(--live); color: #fff; }
.badge.elig { background: var(--brass-soft); color: var(--brass); }
.badge.na { background: var(--line); color: var(--ink-soft); }
.track { position: relative; height: 18px; background: linear-gradient(to right, var(--line) 1px, transparent 1px) 0 0/25% 100% repeat-x; border-radius: 4px; }
.band { position: absolute; top: 3px; height: 12px; background: var(--bar-soft); border-radius: 6px; transition: left .7s cubic-bezier(.2,.8,.2,1), width .7s cubic-bezier(.2,.8,.2,1); }
.row.chosen .band { background: color-mix(in srgb, var(--brass) 35%, var(--card)); }
.dot { position: absolute; top: 4px; width: 10px; height: 10px; border-radius: 50%; background: var(--bar); transform: translateX(-50%); transition: left .7s cubic-bezier(.2,.8,.2,1); box-shadow: 0 0 0 2px var(--card); }
.row.chosen .dot { background: var(--brass); }
.price { text-align: right; font-variant-numeric: tabular-nums; font-weight: 600; font-size: 14px; }
.price small { display: block; color: var(--ink-mute); font-weight: 400; font-size: 11px; }
.axis { display: grid; grid-template-columns: 150px 1fr 84px; gap: 10px; padding: 0 8px; color: var(--ink-mute); font-size: 11px; }
.axis .ticks { display: flex; justify-content: space-between; }
@media (max-width: 480px) { .row, .axis { grid-template-columns: 110px 1fr 70px; } }

.declined { margin-top: 14px; padding-top: 10px; border-top: 1px dashed var(--line); color: var(--ink-soft); font-size: 12.5px; }
.declined b { color: var(--ink); }
.legend { margin: 12px 0 0; color: var(--ink-mute); font-size: 11.5px; }

/* hand-off card */
.handoff { border: 1px solid var(--brass); background: var(--brass-soft); border-radius: 12px; padding: 14px 16px; margin-bottom: 16px; animation: rise .35s ease-out; }
@keyframes rise { from { opacity: 0; transform: translateY(6px); } }
.handoff h3 { margin: 0 0 2px; font: 700 18px/1.2 var(--serif); }
.handoff .sub { margin: 0 0 12px; color: var(--ink-soft); font-size: 13px; }
.ways { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
@media (max-width: 480px) { .ways { grid-template-columns: 1fr; } }
.way { background: var(--card); border: 1px solid var(--line); border-radius: 10px; padding: 12px; display: flex; flex-direction: column; gap: 6px; }
.way h4 { margin: 0; font-size: 14px; }
.way p { margin: 0; color: var(--ink-soft); font-size: 12.5px; line-height: 1.4; }
.way .act { margin-top: auto; display: flex; gap: 6px; flex-wrap: wrap; }
.way button, .way a.btn { border: 0; border-radius: 8px; padding: 8px 12px; font-size: 13px; font-weight: 600; cursor: pointer; text-decoration: none; display: inline-block; }
.way .primary { background: var(--brass); color: #fff; }
.way .secondary { background: var(--paper); color: var(--ink); border: 1px solid var(--line); }
.way button:disabled { opacity: .45; cursor: default; }
.open { color: var(--live); font-weight: 600; }
.closed { color: var(--ink-mute); font-weight: 600; }
.lead { margin-top: 10px; font-size: 12.5px; color: var(--live); }

.foot { color: var(--ink-mute); font-size: 11.5px; padding-bottom: 18px; }