:root{--paper:#f6f8fc;--card:#fff;--ink:#14201C;--ink2:#4A5754;--ink3:#8A918F;--brand:#4094FF;--brand-deep:#1f5fc4;--brand-tint:#EAF2FF;--brand-ink:#1B5FBF;--green:#3B8462;--amber:#B0832B;--amber-tint:rgba(176,131,43,0.12);--danger:#DC3545;--danger-tint:rgba(220,53,69,0.09);--hairline:rgba(20,32,28,0.08);--radius:14px}*{box-sizing:border-box}body,html{margin:0;padding:0;background:var(--paper);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;-webkit-font-smoothing:antialiased;font-size:14px;line-height:1.5}h1,h2,h3{margin:0;font-weight:600;letter-spacing:-.01em}.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:8px 14px;border-radius:10px;border:.5px solid var(--hairline);background:var(--card);color:var(--ink);font-size:13px;font-weight:500;cursor:pointer;transition:background .12s,border-color .12s,opacity .12s,transform .04s}.btn:hover{background:#f0f3f8}.btn:active{transform:translateY(.5px)}.btn:disabled{opacity:.5;cursor:default}.btn-primary{background:var(--brand);border-color:var(--brand);color:#fff}.btn-primary:hover{background:#2f83f0}.btn-ghost{background:transparent;border-color:transparent;color:var(--ink2)}.btn-ghost:hover{background:rgba(20,32,28,.05)}.btn-danger{color:var(--danger);border-color:rgba(220,53,69,.3);background:var(--card)}.btn-danger:hover{background:var(--danger-tint)}.btn-sm{padding:5px 10px;font-size:12px;border-radius:8px}input,textarea{font-family:inherit;font-size:14px;color:var(--ink);background:var(--card);border:.5px solid var(--hairline);border-radius:10px;padding:10px 12px;outline:none;transition:border-color .12s,box-shadow .12s}input::placeholder,textarea::placeholder{color:var(--ink3)}input:focus,textarea:focus{border-color:var(--brand);box-shadow:0 0 0 3px rgba(64,148,255,.12)}textarea{resize:none}.scroll{scrollbar-width:thin;scrollbar-color:rgba(20,32,28,.18) transparent}.scroll::-webkit-scrollbar{width:8px;height:8px}.scroll::-webkit-scrollbar-thumb{background:rgba(20,32,28,.16);border-radius:8px}.scroll::-webkit-scrollbar-thumb:hover{background:rgba(20,32,28,.28)}.scroll::-webkit-scrollbar-track{background:transparent}.rail{flex:0 0 auto;width:232px;height:100vh;display:flex;flex-direction:column;background:var(--card);border-right:.5px solid var(--hairline)}.rail-brand{padding:20px 20px 14px}.rail-nav{padding:6px 12px;display:flex;flex-direction:column;gap:2px}.rail-link{display:flex;align-items:center;gap:11px;padding:9px 12px;border-radius:10px;text-decoration:none;color:var(--ink2);font-size:14px;font-weight:500;transition:background .12s,color .12s}.rail-link:hover{background:rgba(20,32,28,.04);color:var(--ink)}.rail-link.on{background:var(--brand-tint);color:var(--brand-deep)}.rail-link .count{margin-left:auto;font-size:11px;font-weight:700;background:var(--danger);color:#fff;border-radius:999px;min-width:18px;height:18px;display:grid;place-items:center;padding:0 5px}.rail-account{margin-top:auto;padding:14px;border-top:.5px solid var(--hairline);display:flex;align-items:center;gap:10px}.seg{display:inline-flex;background:#eceff4;border-radius:9px;padding:3px;gap:2px}.seg button{border:0;background:transparent;color:var(--ink2);white-space:nowrap;font-size:12px;font-weight:500;padding:5px 9px;border-radius:7px;cursor:pointer;transition:background .12s,color .12s}.seg button.on{background:var(--card);color:var(--ink);box-shadow:0 1px 2px rgba(20,32,28,.08)}.conv{display:flex;gap:11px;width:100%;text-align:left;border:0;background:transparent;padding:12px 14px;cursor:pointer;border-bottom:.5px solid var(--hairline);transition:background .1s}.conv:hover{background:#eef2f8}.conv.on{background:var(--brand-tint)}.avatar{flex:0 0 auto;width:38px;height:38px;border-radius:50%;display:grid;place-items:center;background:#dfe7f2;color:var(--brand-ink);font-weight:600;font-size:13px}.avatar.sm{width:30px;height:30px;font-size:11px}.avatar.vip{background:#F5E9CF;color:#9A731A}.chip{display:inline-flex;align-items:center;gap:4px;font-size:11px;font-weight:600;padding:2px 8px;border-radius:999px}.chip-esc{background:var(--danger-tint);color:var(--danger)}.chip-paused{background:var(--amber-tint);color:var(--amber)}.chip-app{background:#eef2f8;color:var(--ink2)}.chip-wa{background:#e4f5ea;color:#1c8a4e}.chip-vip{background:#F5E9CF;color:#9A731A}.unread{flex:0 0 auto;min-width:19px;height:19px;padding:0 6px;border-radius:999px;background:var(--brand);color:#fff;font-size:11px;font-weight:700;display:grid;place-items:center}.bubble{display:inline-block;padding:10px 15px;border-radius:18px;font-size:14px;line-height:1.5;white-space:pre-wrap;word-break:break-word;box-shadow:0 2px 8px rgba(20,32,28,.06)}.b-them{background:var(--card);color:var(--ink);border-bottom-left-radius:6px}.b-own{background:var(--brand);border-bottom-right-radius:6px}.b-own,.b-own a{color:#fff}.msg-foot{display:flex;align-items:center;gap:7px;font-size:10px;color:var(--ink3);margin:4px 6px 0;font-feature-settings:"tnum";font-variant-numeric:tabular-nums;letter-spacing:.4px}.msg-foot .who{font-weight:600;letter-spacing:0}.toolcard{display:inline-flex;align-items:center;gap:7px;margin-top:6px;font-size:12px;color:var(--ink2);background:#eef2f8;border:.5px solid var(--hairline);border-radius:10px;padding:6px 11px}.daydiv{text-align:center;font-size:10px;color:var(--ink3);letter-spacing:1.4px;font-weight:600;margin:10px 0;text-transform:uppercase}.composer{display:flex;align-items:flex-end;gap:10px}.composer-pill{flex:1 1;display:flex;align-items:center;min-height:46px;background:var(--card);border:.5px solid var(--hairline);border-radius:23px;padding:4px 8px 4px 18px;transition:border-color .12s,box-shadow .12s}.composer-pill:focus-within{border-color:var(--brand);box-shadow:0 0 0 3px rgba(64,148,255,.12)}.composer-pill textarea{flex:1 1;border:0;background:transparent;padding:10px 0;max-height:140px;box-shadow:none;border-radius:0}.composer-pill textarea:focus{box-shadow:none}.send-btn{flex:0 0 auto;width:46px;height:46px;border-radius:50%;border:0;background:var(--brand);display:grid;place-items:center;cursor:pointer;transition:opacity .12s,background .12s}.send-btn:hover{background:#2f83f0}.send-btn:disabled{opacity:.4;cursor:default}