:root{
  --accent:#1fa98a;
  --accent-strong:#178f74;
  --accent-ink:#053b2f;
  --bg:#e9edeb;
  --panel:#ffffff;
  --panel-2:#f4f6f5;
  --chat-bg:#dfe5e2;
  --bubble-in:#ffffff;
  --bubble-out:#d7f7ce;
  --ink:#0e1a17;
  --ink-2:#3f524c;
  --ink-3:#7d8f89;
  --line:#dbe2df;
  --line-2:#e8edeb;
  --danger:#d1435b;
  --shadow:0 1px 2px rgba(11,20,18,.12);
  --shadow-lg:0 18px 50px rgba(11,20,18,.28);
  --wm:'Bricolage Grotesque',system-ui,sans-serif;
  --ui:system-ui,-apple-system,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;
}
:root:not([data-theme="light"]){
  @media (prefers-color-scheme: dark){
    --bg:#0b1512;--panel:#111d19;--panel-2:#0e1a16;--chat-bg:#0a1310;
    --bubble-in:#1b2a25;--bubble-out:#12463a;--ink:#e7efec;--ink-2:#a7b8b2;
    --ink-3:#6f827c;--line:#22332d;--line-2:#1a2823;--shadow:0 1px 2px rgba(0,0,0,.4);
    --shadow-lg:0 20px 60px rgba(0,0,0,.6);--accent:#26c6a3;--accent-strong:#1fa98a;--accent-ink:#04140f;
  }
}
:root[data-theme="dark"]{
  --bg:#0b1512;--panel:#111d19;--panel-2:#0e1a16;--chat-bg:#0a1310;
  --bubble-in:#1b2a25;--bubble-out:#12463a;--ink:#e7efec;--ink-2:#a7b8b2;
  --ink-3:#6f827c;--line:#22332d;--line-2:#1a2823;--shadow:0 1px 2px rgba(0,0,0,.4);
  --shadow-lg:0 20px 60px rgba(0,0,0,.6);--accent:#26c6a3;--accent-strong:#1fa98a;--accent-ink:#04140f;
}

*{box-sizing:border-box}
html,body{height:100%;height:100dvh;overscroll-behavior:none;overflow:hidden}
body{margin:0;font-family:var(--ui);color:var(--ink);background:var(--bg);
  -webkit-font-smoothing:antialiased;overflow:hidden;position:fixed;inset:0;
  overscroll-behavior:none;touch-action:pan-x pan-y}
button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit;touch-action:manipulation}
input,textarea{font-family:inherit;color:inherit}
.mono{font-variant-numeric:tabular-nums;font-family:ui-monospace,SFMono-Regular,Menlo,monospace}
::-webkit-scrollbar{width:9px;height:9px}
::-webkit-scrollbar-thumb{background:var(--line);border-radius:9px}

#onboard{position:fixed;inset:0;display:none;place-items:center;
  padding:calc(24px + env(safe-area-inset-top)) calc(24px + env(safe-area-inset-right)) calc(24px + env(safe-area-inset-bottom)) calc(24px + env(safe-area-inset-left));
  background:radial-gradient(1200px 700px at 50% -10%, color-mix(in oklab,var(--accent) 22%, var(--bg)), var(--bg));z-index:50;overflow:auto;
  overscroll-behavior:contain;-webkit-overflow-scrolling:touch}
#onboard.show{display:grid}
.ob-card{width:min(440px,100%);background:var(--panel);border:1px solid var(--line);
  border-radius:22px;box-shadow:var(--shadow-lg);padding:30px 28px}
.brand{display:flex;align-items:center;gap:11px;margin-bottom:6px}
.logo{width:40px;height:40px;border-radius:12px;display:grid;place-items:center;
  background:linear-gradient(150deg,var(--accent),var(--accent-strong));color:#fff;
  font-family:var(--wm);font-weight:800;font-size:22px;box-shadow:var(--shadow)}
.wm{font-family:var(--wm);font-weight:800;font-size:26px;letter-spacing:-.02em}
.ob-card h2{font-family:var(--wm);font-weight:700;font-size:20px;margin:20px 0 4px;letter-spacing:-.01em}
.ob-card p.sub{color:var(--ink-2);font-size:14px;line-height:1.5;margin:0 0 18px}
label.fld{display:block;font-size:12px;text-transform:uppercase;letter-spacing:.08em;
  color:var(--ink-3);margin:14px 0 7px;font-weight:600}
.txt{width:100%;padding:12px 14px;border-radius:12px;border:1px solid var(--line);
  background:var(--panel-2);font-size:15px;outline:none}
.txt:focus{border-color:var(--accent);box-shadow:0 0 0 3px color-mix(in oklab,var(--accent) 25%,transparent)}
.swatches{display:flex;gap:10px;flex-wrap:wrap;margin-top:4px}
.sw{width:34px;height:34px;border-radius:50%;border:2px solid transparent;transition:transform .12s}
.sw[aria-pressed="true"]{border-color:var(--ink);transform:scale(1.12)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 18px;border-radius:12px;font-weight:650;font-size:15px;transition:filter .12s,transform .08s}
.btn:active{transform:translateY(1px)}
.btn-primary{background:var(--accent);color:var(--accent-ink)}
.btn-primary:hover{filter:brightness(1.05)}
.btn-block{width:100%;margin-top:22px}
.btn-ghost{background:var(--panel-2);color:var(--ink);border:1px solid var(--line)}
.fineprint{display:flex;gap:8px;align-items:flex-start;margin-top:16px;font-size:12px;color:var(--ink-3);line-height:1.5}
.fineprint svg{flex:none;margin-top:1px}

#app{display:none;height:100%}
#app.show{display:grid;grid-template-columns:minmax(240px,330px) 1fr;grid-template-rows:100%;overflow:hidden}
@media(max-width:560px){
  #app.show{grid-template-columns:1fr}
  #main{position:fixed;inset:0;z-index:20;transform:translateX(100%);transition:transform .22s ease;background:var(--panel)}
  #app.chat-open #main{transform:none}
  #app.chat-open #side{visibility:hidden}
}

#side{background:var(--panel);border-right:1px solid var(--line);display:flex;flex-direction:column;min-width:0;min-height:0;height:100%;overflow:hidden}
.side-top{padding:calc(12px + env(safe-area-inset-top)) 14px 12px;display:flex;align-items:center;gap:10px;border-bottom:1px solid var(--line-2)}
.avatar{width:36px;height:36px;border-radius:50%;display:grid;place-items:center;color:#fff;
  font-weight:700;font-size:14px;flex:none;user-select:none}
.side-top .wm{font-size:18px;flex:1;min-width:0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.iconbtn{width:38px;height:38px;border-radius:50%;display:grid;place-items:center;color:var(--ink-2)}
.iconbtn:hover{background:var(--panel-2);color:var(--ink)}
.search{padding:8px 12px;border-bottom:1px solid var(--line-2)}
.search input{width:100%;padding:9px 13px;border-radius:10px;border:1px solid var(--line);
  background:var(--panel-2);font-size:14px;outline:none}
.search input:focus{border-color:var(--accent)}
.chatlist{flex:1;overflow-y:auto;min-height:0;overscroll-behavior:contain;-webkit-overflow-scrolling:touch}
.chatrow{display:flex;gap:12px;align-items:center;padding:11px 14px;cursor:pointer;border-bottom:1px solid var(--line-2);position:relative}
.chatrow:hover{background:var(--panel-2)}
.cr-del{flex:none;width:30px;height:30px;border-radius:50%;display:grid;place-items:center;color:var(--ink-3);opacity:0;transition:opacity .12s}
.chatrow:hover .cr-del,.cr-del:focus-visible{opacity:1}
.cr-del:hover{background:var(--line-2);color:var(--danger)}
@media(hover:none){.cr-del{opacity:.55}}
.chatrow.active{background:color-mix(in oklab,var(--accent) 14%,var(--panel))}
.cr-body{flex:1;min-width:0}
.cr-top{display:flex;justify-content:space-between;align-items:baseline;gap:8px}
.cr-name{font-weight:600;font-size:15px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.cr-time{font-size:11px;color:var(--ink-3);flex:none}
.cr-prev{font-size:13px;color:var(--ink-2);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;margin-top:2px;display:flex;gap:5px;align-items:center}
.badge{min-width:19px;height:19px;padding:0 6px;border-radius:19px;background:var(--accent);
  color:var(--accent-ink);font-size:11px;font-weight:700;display:grid;place-items:center;flex:none}
.side-foot{padding:10px 14px calc(10px + env(safe-area-inset-bottom));border-top:1px solid var(--line-2)}

#main{display:flex;flex-direction:column;min-width:0;height:100%;overflow:hidden;background:var(--chat-bg)}
#chat-view{display:flex;flex-direction:column;height:100%;min-height:0;overflow:hidden}
.empty{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;text-align:center;padding:40px;color:var(--ink-2)}
.empty .logo{width:52px;height:52px;font-size:26px;border-radius:16px}
.empty h3{font-family:var(--wm);font-size:22px;margin:6px 0 0;color:var(--ink)}
.empty p{max-width:340px;font-size:14px;line-height:1.55;margin:0}
.chat-head{display:flex;align-items:center;gap:12px;padding:calc(10px + env(safe-area-inset-top)) 14px 10px;background:var(--panel);border-bottom:1px solid var(--line)}
.ch-back{display:none}
@media(max-width:560px){.ch-back{display:grid}}
.ch-name{font-weight:650;font-size:15.5px;line-height:1.15}
.ch-status{font-size:12px;color:var(--ink-3);display:flex;align-items:center;gap:5px}
.dot{width:7px;height:7px;border-radius:50%;background:var(--ink-3)}
.dot.on{background:#31c76b}
.thread{flex:1;overflow-y:auto;min-height:0;padding:16px clamp(10px,4vw,60px);display:flex;flex-direction:column;gap:3px;
  overscroll-behavior:contain;-webkit-overflow-scrolling:touch;
  background-image:radial-gradient(color-mix(in oklab,var(--ink) 5%,transparent) .8px,transparent .8px);background-size:22px 22px}
.daystamp{align-self:center;margin:8px 0;padding:5px 12px;border-radius:9px;background:var(--panel);
  color:var(--ink-2);font-size:11.5px;box-shadow:var(--shadow)}
.priority-stack{position:relative;z-index:6;padding:0 clamp(10px,4vw,60px)}
.priority-stack:not(:empty){padding-top:8px}
.pnotice{display:flex;align-items:center;gap:10px;background:var(--panel);border:1px solid var(--line);
  border-left:3px solid var(--accent);border-radius:11px;padding:8px 12px;margin-bottom:6px;box-shadow:var(--shadow);
  cursor:pointer;animation:pslide .18s ease-out}
.pnotice:hover{filter:brightness(1.03)}
.pnotice .pn-av{width:26px;height:26px;border-radius:50%;display:grid;place-items:center;color:#fff;font-weight:700;font-size:11px;flex:none}
.pnotice .pn-text{flex:1;min-width:0;font-size:13px;line-height:1.3}
.pnotice .pn-name{font-weight:650;color:var(--ink)}
.pnotice .pn-prev{color:var(--ink-2);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;display:block}
.pnotice .pn-close{flex:none;color:var(--ink-3);width:22px;height:22px;border-radius:50%;display:grid;place-items:center}
.pnotice .pn-close:hover{background:var(--panel-2);color:var(--ink)}
@keyframes pslide{from{transform:translateY(-8px);opacity:0}to{transform:translateY(0);opacity:1}}
.sysline{align-self:center;margin:6px 0;padding:6px 13px;border-radius:9px;max-width:80%;text-align:center;
  background:color-mix(in oklab,var(--accent) 16%,var(--panel));color:var(--ink-2);font-size:12px;line-height:1.5}
.msg{max-width:min(78%,560px);padding:7px 10px 6px;border-radius:12px;box-shadow:var(--shadow);
  position:relative;font-size:14.5px;line-height:1.42;word-wrap:break-word;white-space:pre-wrap}
.msg.in{align-self:flex-start;background:var(--bubble-in);border-top-left-radius:4px}
.msg.out{align-self:flex-end;background:var(--bubble-out);border-top-right-radius:4px}
:root[data-theme="dark"] .msg.out,:root:not([data-theme="light"]) .msg.out{color:#eafff7}
.msg .meta{float:right;margin:6px 0 -2px 10px;font-size:10.5px;color:var(--ink-3);display:flex;align-items:center;gap:3px;user-select:none}
.msg.out .meta{color:color-mix(in oklab,var(--accent-ink) 55%,var(--ink-3))}
.ticks{letter-spacing:-2px}
.ticks.read{color:#4aa3ff}
.msg img.photo{max-width:260px;border-radius:9px;display:block;cursor:pointer}
.msg .voice{display:flex;align-items:center;gap:10px;min-width:180px;padding:2px 2px 2px 0}
.voice .play{width:34px;height:34px;border-radius:50%;background:var(--accent);color:var(--accent-ink);display:grid;place-items:center;flex:none}
.voice .wave{flex:1;height:26px}
.voice .vt{font-size:11px;color:var(--ink-3)}
.viewonce{display:flex;align-items:center;gap:8px;font-style:italic;color:var(--ink-2);cursor:pointer}

.composer{padding:9px calc(12px + env(safe-area-inset-right)) calc(9px + env(safe-area-inset-bottom)) calc(12px + env(safe-area-inset-left));
  background:var(--panel);border-top:1px solid var(--line);display:flex;align-items:flex-end;gap:8px;flex:none}
.composer.hidden{display:none}
.cbtn{width:42px;height:42px;border-radius:50%;display:grid;place-items:center;color:var(--ink-2);flex:none}
.cbtn:hover{background:var(--panel-2);color:var(--ink)}
.inwrap{flex:1;background:var(--panel-2);border:1px solid var(--line);border-radius:22px;padding:6px 14px;display:flex;align-items:center;min-width:0}
.inwrap textarea{flex:1;border:none;background:none;resize:none;outline:none;font-size:15px;max-height:120px;line-height:1.4;padding:5px 0}
.send{width:46px;height:46px;border-radius:50%;background:var(--accent);color:var(--accent-ink);display:grid;place-items:center;flex:none;transition:transform .1s}
.send:active{transform:scale(.92)}
.recording{flex:1;display:flex;align-items:center;gap:12px;padding:0 10px;color:var(--danger);font-weight:600}
.recording .rd{width:11px;height:11px;border-radius:50%;background:var(--danger);animation:blink 1s infinite}
@keyframes blink{50%{opacity:.25}}

.emoji-pop{position:absolute;bottom:66px;left:12px;width:min(340px,calc(100% - 24px));height:300px;background:var(--panel);
  border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow-lg);display:none;flex-direction:column;overflow:hidden;z-index:8}
.emoji-pop.show{display:flex}
.emoji-tabs{display:flex;gap:2px;padding:8px;border-bottom:1px solid var(--line-2);overflow-x:auto}
.emoji-tabs button{font-size:19px;padding:5px 8px;border-radius:9px;flex:none}
.emoji-tabs button.on{background:var(--panel-2)}
.emoji-grid{flex:1;overflow-y:auto;padding:6px;display:grid;grid-template-columns:repeat(8,1fr);overscroll-behavior:contain;-webkit-overflow-scrolling:touch}
.emoji-grid button{font-size:23px;padding:5px;border-radius:8px;line-height:1}
.emoji-grid button:hover{background:var(--panel-2)}

.scrim{position:fixed;inset:0;background:rgba(6,14,11,.55);display:none;place-items:center;
  padding:calc(20px + env(safe-area-inset-top)) calc(20px + env(safe-area-inset-right)) calc(20px + env(safe-area-inset-bottom)) calc(20px + env(safe-area-inset-left));
  z-index:60;overflow:auto;overscroll-behavior:contain;-webkit-overflow-scrolling:touch}
.scrim.show{display:grid}
.modal{width:min(460px,100%);background:var(--panel);border:1px solid var(--line);border-radius:20px;box-shadow:var(--shadow-lg);overflow:hidden}
.modal-head{padding:18px 22px 4px;display:flex;align-items:center;justify-content:space-between}
.modal-head h3{font-family:var(--wm);font-size:19px;margin:0}
.modal-body{padding:8px 22px 22px}
.modal-body p{font-size:14px;color:var(--ink-2);line-height:1.55}
.row{display:flex;gap:10px;align-items:center}
.codebox{display:flex;gap:8px;margin-top:12px}
.codebox input{flex:1;padding:11px 13px;border-radius:11px;border:1px solid var(--line);background:var(--panel-2);font-size:14px}
.sn{font-family:ui-monospace,monospace;font-size:17px;letter-spacing:2px;background:var(--panel-2);
  border:1px dashed var(--line);border-radius:12px;padding:16px;text-align:center;line-height:1.9;color:var(--ink);margin-top:8px}
.menu{position:absolute;top:54px;right:12px;background:var(--panel);border:1px solid var(--line);border-radius:13px;
  box-shadow:var(--shadow-lg);padding:6px;min-width:190px;display:none;z-index:9}
.menu.show{display:block}
.menu button{display:flex;width:100%;gap:11px;align-items:center;padding:10px 12px;border-radius:9px;font-size:14px;text-align:left}
.menu button:hover{background:var(--panel-2)}
.menu button.danger{color:var(--danger)}
.toast{position:fixed;left:50%;bottom:26px;transform:translateX(-50%) translateY(20px);opacity:0;
  background:var(--ink);color:var(--bg);padding:11px 18px;border-radius:12px;font-size:13.5px;z-index:80;
  transition:transform .2s,opacity .2s;box-shadow:var(--shadow-lg);pointer-events:none;max-width:90vw}
.toast.show{transform:translateX(-50%);opacity:1}
.lightbox{position:fixed;inset:0;background:rgba(0,0,0,.9);display:none;place-items:center;z-index:90;padding:20px}
.lightbox.show{display:grid}
.lightbox img{max-width:100%;max-height:100%;border-radius:8px}
.pill{font-size:11px;padding:3px 9px;border-radius:20px;background:var(--panel-2);border:1px solid var(--line);color:var(--ink-2)}
.soon{opacity:.55}
.hide{display:none!important}