:root{--bg:#f2f2f7;--panel:#fff;--ink:#1c1c1e;--muted:#8e8e93;--blue:#0b84ff;--grey:#e9e9eb;--line:#d1d1d6;--accent:#6d5bd0;--green:#1f8a70;--amber:#c98a00;--pink:#d6336c}
*{box-sizing:border-box}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"SF Pro Text",Helvetica,Arial,sans-serif;background:var(--bg);color:var(--ink);font-size:14px}
header.top{display:flex;gap:16px;align-items:center;padding:10px 16px;background:var(--panel);border-bottom:1px solid var(--line);flex-wrap:wrap;position:sticky;top:0;z-index:5}
.brand{font-weight:700;font-size:16px}.muted{color:var(--muted)}.small{font-size:12px}.row{display:flex;gap:8px;align-items:center;flex-wrap:wrap}
input,button{font:inherit}input{padding:7px 10px;border:1px solid var(--line);border-radius:8px;background:#fff}button{padding:7px 12px;border:0;border-radius:8px;background:var(--blue);color:#fff;cursor:pointer}button.ghost{background:transparent;color:var(--blue)}button.small{padding:3px 8px;font-size:12px}
main{display:grid;grid-template-columns:1fr 380px;min-height:calc(100vh - 56px)}
.phones{display:flex;flex-wrap:wrap;gap:16px;padding:16px;align-content:flex-start}
.phone{width:360px;height:640px;background:#000;border-radius:36px;padding:10px;display:flex;flex-direction:column;box-shadow:0 10px 30px rgba(0,0,0,.25)}
.phone-head{background:#f7f7f7;border-radius:26px 26px 0 0;padding:14px 14px 8px;display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid var(--line)}.contact{font-weight:600}
.messages{flex:1;overflow:auto;background:#fff;padding:10px;display:flex;flex-direction:column;gap:4px}
.bubble{max-width:78%;padding:8px 12px;border-radius:18px;line-height:1.3;position:relative;white-space:pre-wrap;word-wrap:break-word;cursor:pointer}
.bubble.ai{align-self:flex-start;background:var(--grey);color:var(--ink);border-bottom-left-radius:4px}.bubble.me{align-self:flex-end;background:var(--blue);color:#fff;border-bottom-right-radius:4px}
.bubble img{max-width:100%;border-radius:12px;display:block;margin-top:4px}.bubble .quote{font-size:12px;opacity:.75;border-left:3px solid rgba(0,0,0,.2);padding-left:6px;margin-bottom:4px}
.bubble .kind{font-size:10px;opacity:.6;display:block;margin-bottom:2px;text-transform:uppercase;letter-spacing:.04em}
.rx{position:absolute;top:-10px;right:-6px;background:#fff;border:1px solid var(--line);border-radius:12px;padding:0 5px;font-size:12px;box-shadow:0 1px 2px rgba(0,0,0,.1)}.bubble.me .rx{left:-6px;right:auto}
.ts{align-self:center;color:var(--muted);font-size:10px;margin:6px 0 2px}.status{align-self:flex-end;color:var(--muted);font-size:10px}
.poll{align-self:flex-start;background:var(--grey);border-radius:18px;padding:10px 12px;max-width:85%}.poll .opt{display:flex;justify-content:space-between;gap:8px;padding:6px 8px;margin-top:4px;background:#fff;border-radius:10px;cursor:pointer}.poll .opt.voted{outline:2px solid var(--blue)}
.typing{align-self:flex-start;background:var(--grey);border-radius:18px;padding:8px 12px;color:var(--muted);font-size:12px}
.picker{position:absolute;bottom:100%;left:0;background:#fff;border-radius:20px;padding:4px 6px;display:flex;gap:4px;box-shadow:0 4px 16px rgba(0,0,0,.2);z-index:3}.picker button{background:transparent;color:var(--ink);font-size:18px;padding:4px 6px}.picker button.txt{font-size:12px;color:var(--blue)}
.reply-chip{background:#f7f7f7;padding:6px 12px;font-size:12px;display:flex;justify-content:space-between;align-items:center;border-top:1px solid var(--line)}.hidden{display:none}
.composer{display:flex;gap:6px;align-items:center;padding:8px;background:#f7f7f7;border-radius:0 0 26px 26px}.composer .text{flex:1;border-radius:18px}.composer .send{border-radius:50%;width:32px;height:32px;padding:0}.attach{cursor:pointer;font-size:18px}
.side{background:var(--panel);border-left:1px solid var(--line);overflow:auto;height:calc(100vh - 56px);position:sticky;top:56px}
.tabs{display:flex;border-bottom:1px solid var(--line)}.tabs button{flex:1;background:transparent;color:var(--muted);border-radius:0;padding:10px 4px;font-size:12px}.tabs button.active{color:var(--ink);border-bottom:2px solid var(--accent)}
.tab{display:none;padding:12px}.tab.active{display:block}
h3{margin:14px 0 6px;font-size:13px;text-transform:uppercase;letter-spacing:.05em;color:var(--muted)}h3:first-child{margin-top:0}
.card{background:var(--bg);border-radius:10px;padding:8px 10px;margin-bottom:6px;font-size:13px}.card .meta{color:var(--muted);font-size:11px;margin-top:2px}
.badge{display:inline-block;font-size:10px;padding:1px 6px;border-radius:999px;background:#ddd;margin-right:4px;vertical-align:middle;text-transform:uppercase;letter-spacing:.03em}
.badge.assumed{background:#eee;color:#555}.badge.proposed{background:#fff3d1;color:var(--amber)}.badge.confirmed,.badge.published,.badge.delivered,.badge.forward,.badge.show,.badge.open{background:#d3eee6;color:var(--green)}.badge.rejected,.badge.dropped,.badge.drop,.badge.silent,.badge.silenced{background:#fde2e8;color:var(--pink)}.badge.ask,.badge.pending,.badge.requested{background:#ece8ff;color:var(--accent)}
.log{font-family:ui-monospace,Menlo,monospace;font-size:11px;line-height:1.5}.log div{padding:3px 0;border-bottom:1px dashed #eee}.log .m{color:var(--accent);font-weight:600}
.empty{color:var(--muted);font-style:italic}
@media (max-width:900px){main{grid-template-columns:1fr}.side{position:static;height:auto;border-left:0;border-top:1px solid var(--line)}}
/* bench additions */
.topbar-links a{color:var(--blue);text-decoration:none;margin-right:10px;font-size:13px}.pill{background:#ece8ff;color:var(--accent);border-radius:999px;padding:2px 8px;font-size:11px}
.login{max-width:420px;margin:60px auto;background:#fff;padding:24px;border-radius:14px;box-shadow:0 10px 30px rgba(0,0,0,.08)}.login input{width:100%;margin:6px 0 12px}.login button{width:100%}
table{border-collapse:collapse;width:100%;font-size:13px}th,td{text-align:left;padding:6px 8px;border-bottom:1px solid #eee;vertical-align:top}th{color:var(--muted);font-weight:600;font-size:11px;text-transform:uppercase;letter-spacing:.04em}
.diagram-wrap{position:relative;width:100%;overflow:auto;background:#fff;border:1px solid var(--line);border-radius:12px}.diagram-wrap svg{display:block;width:100%;height:auto}
.hl{fill:#ffd166;fill-opacity:.35;stroke:#e09f00;stroke-width:6;rx:14;transition:fill-opacity .4s}.hl.off{fill-opacity:0;stroke-opacity:0}
.timeline{display:flex;flex-direction:column;gap:6px}.step{display:flex;gap:10px;align-items:flex-start;padding:8px 10px;background:#fff;border:1px solid var(--line);border-radius:10px}.step .n{width:26px;height:26px;border-radius:50%;background:#2b303b;color:#fff;display:grid;place-items:center;font-weight:700;font-size:12px;flex:none}.step.active{border-color:#e09f00;background:#fff8e6}