:root{--bg:#F4F1EC;--card:#FFFFFF;--ink:#2B2721;--muted:#6D655A;--line:#E6E0D6;--soft:#ECE4D6;--gg:#1F473E;--ggsoft:#DFE9E4;--red:#B3261E;--amber:#9A5B12;--green:#2E7D4F;--note:#FFF6DF;--noteline:#EBD49B;
  --safe-t:env(safe-area-inset-top);--safe-b:env(safe-area-inset-bottom)}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html,body{margin:0;height:100%;background:var(--bg);color:var(--ink);font:300 15px/1.45 Poppins,-apple-system,system-ui,sans-serif;-webkit-font-smoothing:antialiased;overscroll-behavior:none}
button,input,textarea,select{font:inherit;color:inherit}
button{cursor:pointer;background:none;border:0;padding:0}
#app{height:100%;display:flex;flex-direction:column}
.screen{flex:1;display:flex;flex-direction:column;min-height:0}
.top{padding:calc(var(--safe-t) + 10px) 18px 10px;background:var(--bg);display:flex;align-items:center;gap:10px;position:sticky;top:0;z-index:5}
.top h1{font-weight:500;font-size:26px;margin:0;letter-spacing:-.01em;flex:1}
.top .sub{font-size:12px;color:var(--muted)}
.iconbtn{width:40px;height:40px;border-radius:20px;display:inline-flex;align-items:center;justify-content:center}
.iconbtn:active{background:var(--soft)}
.seg{display:flex;gap:6px;padding:0 18px 10px;overflow-x:auto;scrollbar-width:none}.seg::-webkit-scrollbar{display:none}
.seg button{white-space:nowrap;padding:7px 14px;border-radius:18px;background:var(--card);border:1px solid var(--line);font-size:13px;display:inline-flex;gap:6px;align-items:center}
.seg button[aria-pressed=true]{background:var(--ink);color:#fff;border-color:var(--ink)}
.count{min-width:18px;height:18px;border-radius:9px;background:var(--red);color:#fff;font-size:11px;font-weight:600;display:inline-flex;align-items:center;justify-content:center;padding:0 5px}
.seg button[aria-pressed=true] .count.plain{background:rgba(255,255,255,.2)}.count.plain{background:var(--soft);color:var(--muted)}
.scroll{flex:1;overflow-y:auto;-webkit-overflow-scrolling:touch}
.row{display:flex;gap:12px;padding:12px 18px;align-items:flex-start;background:var(--bg);border-bottom:1px solid var(--line);width:100%;text-align:left}
.row:active{background:var(--soft)}
.av{width:44px;height:44px;border-radius:22px;display:inline-flex;align-items:center;justify-content:center;font-weight:500;font-size:15px;flex-shrink:0;position:relative}
.av.MI{background:var(--soft);color:var(--ink)}.av.GG{background:var(--ggsoft);color:var(--gg)}
.av .on{position:absolute;right:-1px;bottom:-1px;width:12px;height:12px;border-radius:6px;background:var(--green);border:2px solid var(--bg)}
.grow{flex:1;min-width:0}
.line1{display:flex;gap:8px;align-items:baseline}.name{font-weight:500;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;flex:1}
.when{font-size:12px;color:var(--muted);flex-shrink:0}
.prev{font-size:14px;color:var(--muted);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;margin-top:1px}.unans .prev{color:var(--ink)}.unans .name{font-weight:600}
.chips{display:flex;gap:5px;margin-top:6px;flex-wrap:wrap}
.chip{font-size:11px;padding:2px 8px;border-radius:10px;background:var(--soft);color:var(--muted);display:inline-flex;align-items:center;gap:4px}
.chip.GG{background:var(--ggsoft);color:var(--gg)}.chip.red{background:#FBE6E4;color:var(--red)}.chip.amber{background:#FBF0DD;color:var(--amber)}.chip.blue{background:#E4EEF8;color:#1E4E7C}
.dot{width:9px;height:9px;border-radius:5px;background:var(--red);margin-top:6px;flex-shrink:0}
.empty{text-align:center;color:var(--muted);padding:60px 30px}
.empty .big{font-size:18px;color:var(--ink);font-weight:500;margin-bottom:4px}
.tabs{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--line);background:rgba(244,241,236,.96);backdrop-filter:blur(12px);padding-bottom:var(--safe-b)}
.tabs button{padding:8px 0 6px;display:flex;flex-direction:column;align-items:center;gap:2px;font-size:11px;color:var(--muted);position:relative}
.tabs button[aria-current=page]{color:var(--ink);font-weight:500}
.tabs .count{position:absolute;top:2px;left:calc(50% + 6px)}
/* conversation */
.chead{padding:calc(var(--safe-t) + 6px) 8px 8px;display:flex;align-items:center;gap:8px;border-bottom:1px solid var(--line);background:var(--bg)}
.chead .t{flex:1;min-width:0}.chead .t b{display:block;font-weight:500;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.chead .t span{font-size:12px;color:var(--muted)}
.thread{flex:1;overflow-y:auto;padding:14px 12px;display:flex;flex-direction:column;gap:8px;background:#F8F6F2}
.day{align-self:center;font-size:11px;color:var(--muted);background:var(--soft);padding:3px 10px;border-radius:10px;margin:6px 0}
.sys{align-self:center;text-align:center;font-size:12px;color:var(--muted);max-width:85%}
.b{max-width:80%;display:flex;flex-direction:column}.b.me{align-self:flex-end;align-items:flex-end}.b.them{align-self:flex-start}
.bub{padding:9px 13px;border-radius:18px;white-space:pre-wrap;overflow-wrap:anywhere;font-size:15px}
.me .bub{background:var(--ink);color:#fff;border-bottom-right-radius:6px}.them .bub{background:var(--card);border:1px solid var(--line);border-bottom-left-radius:6px}
.b .m{font-size:11px;color:var(--muted);margin:3px 4px 0}
.b img{max-width:230px;border-radius:16px;border:1px solid var(--line)}
.note{align-self:stretch;background:var(--note);border:1px solid var(--noteline);border-radius:14px;padding:8px 12px;font-size:14px}.note small{display:block;font-size:11px;color:var(--amber);font-weight:500}
.typing{align-self:flex-start;border:1px dashed var(--line);border-radius:16px;padding:8px 12px;color:var(--muted);font-size:14px;max-width:80%}.typing small{display:block;font-size:10px;color:var(--green);font-weight:600;letter-spacing:.06em;text-transform:uppercase}
.warn{background:#FBF0DD;color:var(--amber);font-size:12px;padding:6px 14px}
.composer{border-top:1px solid var(--line);background:var(--card);padding:8px 10px calc(var(--safe-b) + 8px)}
.mode{display:flex;gap:6px;margin-bottom:6px}.mode button{font-size:12px;padding:4px 10px;border-radius:12px;border:1px solid var(--line)}.mode button[aria-pressed=true]{background:var(--ink);color:#fff;border-color:var(--ink)}.mode button.noteon[aria-pressed=true]{background:#C98A1B;border-color:#C98A1B}
.crow{display:flex;gap:8px;align-items:flex-end}
.crow textarea{flex:1;border:1px solid var(--line);border-radius:20px;padding:9px 14px;font-size:16px;resize:none;max-height:140px;min-height:40px;background:#fff;outline:none}
.crow textarea.noteon{background:var(--note);border-color:var(--noteline)}
.send{width:40px;height:40px;border-radius:20px;background:var(--ink);color:#fff;display:inline-flex;align-items:center;justify-content:center;flex-shrink:0}.send:disabled{opacity:.35}
/* sheets */
.sheetbg{position:fixed;inset:0;background:rgba(20,18,15,.35);z-index:50;display:flex;align-items:flex-end;animation:f .15s}
.sheet{background:var(--bg);width:100%;border-radius:18px 18px 0 0;padding:8px 0 calc(var(--safe-b) + 10px);max-height:86vh;overflow-y:auto;animation:u .2s ease-out}
.sheet .grab{width:38px;height:5px;border-radius:3px;background:var(--line);margin:4px auto 10px}
.sheet h3{margin:4px 18px 10px;font-weight:500;font-size:17px}
.sheet .item{display:flex;align-items:center;gap:12px;width:100%;text-align:left;padding:13px 18px;font-size:15px;border-top:1px solid var(--line)}
.sheet .item:active{background:var(--soft)}.sheet .item.danger{color:var(--red)}
.sec{padding:12px 18px;border-top:1px solid var(--line)}.sec h4{margin:0 0 6px;font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);font-weight:500}
.order{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:8px 12px;margin-top:6px;font-size:14px}
@keyframes u{from{transform:translateY(40px);opacity:.5}to{transform:none;opacity:1}}@keyframes f{from{opacity:0}}
/* login + settings */
.login{flex:1;display:flex;flex-direction:column;justify-content:center;padding:30px 28px calc(var(--safe-b) + 30px);gap:14px}
.login img{width:190px;margin:0 auto 4px;display:block}.login .tag{text-align:center;letter-spacing:.35em;font-size:12px;color:var(--muted);margin-bottom:26px}
.field{display:flex;flex-direction:column;gap:6px}.field label{font-size:13px;color:var(--muted)}
.field input{height:50px;border-radius:25px;border:1px solid var(--line);background:#fff;padding:0 20px;font-size:16px;outline:none}.field input:focus{border-color:var(--ink)}
.btn{height:50px;border-radius:25px;background:var(--ink);color:#fff;font-weight:500;font-size:15px;width:100%}.btn.ghost{background:transparent;color:var(--ink);border:1px solid var(--line)}
.err{color:var(--red);font-size:13px;text-align:center;min-height:18px}
.card{background:var(--card);border:1px solid var(--line);border-radius:16px;margin:0 18px 12px;padding:14px 16px}
.card h3{margin:0 0 4px;font-size:15px;font-weight:500}.card p{margin:0 0 10px;color:var(--muted);font-size:13px}
.toggle{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:8px 0;font-size:14px}
.switch{width:50px;height:30px;border-radius:15px;background:var(--line);position:relative;transition:.2s;flex-shrink:0}.switch::after{content:"";position:absolute;top:3px;left:3px;width:24px;height:24px;border-radius:12px;background:#fff;box-shadow:0 1px 3px rgba(0,0,0,.2);transition:.2s}
.switch[aria-checked=true]{background:var(--green)}.switch[aria-checked=true]::after{left:23px}
.vrow{padding:12px 18px;border-bottom:1px solid var(--line);display:flex;gap:12px;align-items:center}
.toast{position:fixed;left:50%;transform:translateX(-50%);bottom:calc(var(--safe-b) + 80px);background:var(--ink);color:#fff;padding:10px 16px;border-radius:20px;font-size:14px;z-index:60;box-shadow:0 6px 20px rgba(0,0,0,.2)}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}