:root{--paper:#F4F6F3;--ink:#14201C;--mute:#5B6A63;--line:#D9DFDA;--thread:#2F6B5B;--thread-d:#1F4A3E;--knot:#F0C94A;--card:#fff;--warn:#FFF6D6}
*{box-sizing:border-box}
html,body{margin:0}
body{background:var(--paper);color:var(--ink);font:17px/1.55 "Source Sans 3",system-ui,sans-serif;-webkit-text-size-adjust:100%}
h1,h2,h3{font-family:"Bricolage Grotesque",system-ui,sans-serif;line-height:1.15;margin:0 0 .5rem}
h1{font-size:1.9rem}h2{font-size:1.35rem}h3{font-size:1.05rem}
p{margin:0 0 .75rem}
button,input,textarea,select{font:inherit;color:inherit}
:focus-visible{outline:3px solid var(--thread);outline-offset:2px}
.app{max-width:760px;margin:0 auto;min-height:100dvh;display:flex;flex-direction:column;padding-top:env(safe-area-inset-top)}
.top{display:flex;justify-content:space-between;align-items:center;padding:12px 18px;border-bottom:1px solid var(--line)}
.brand{display:flex;gap:10px;align-items:center;text-decoration:none;color:var(--ink);font:700 1.1rem "Bricolage Grotesque",sans-serif}
.who{color:var(--thread-d);font-weight:600;text-decoration:none;border:1px solid var(--thread);padding:6px 14px;border-radius:999px}
main{flex:1;padding:20px 18px calc(96px + env(safe-area-inset-bottom))}
.tabs{position:fixed;left:0;right:0;bottom:0;display:flex;justify-content:center;background:var(--card);border-top:1px solid var(--line);padding-bottom:env(safe-area-inset-bottom);z-index:5}
.tabs a{flex:1;max-width:152px;text-align:center;padding:10px 4px 8px;text-decoration:none;color:var(--mute);font-size:.82rem;font-weight:600}
.tabs a svg{display:block;margin:0 auto 2px;stroke:currentColor;fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.tabs a.on{color:var(--thread-d);box-shadow:inset 0 3px 0 var(--thread)}
.lead{color:var(--mute);margin-bottom:1.2rem}
textarea,input[type=text],input[type=email],input[type=password],select{width:100%;background:var(--card);border:1px solid var(--line);border-radius:12px;padding:12px 14px}
textarea{resize:vertical;min-height:110px}
.seg{display:flex;gap:6px;margin:12px 0}
.seg button{flex:1;padding:10px;border:1px solid var(--line);background:var(--card);border-radius:12px;font-weight:600;cursor:pointer}
.seg button.on{background:var(--thread);border-color:var(--thread);color:#fff}
.btn{display:inline-block;background:var(--thread);color:#fff;border:0;border-radius:12px;padding:12px 20px;font-weight:600;cursor:pointer;text-decoration:none}
.btn:hover{background:var(--thread-d)}
.btn.ghost{background:transparent;color:var(--thread-d);border:1px solid var(--thread)}
.btn.block{width:100%}
.btn[disabled]{opacity:.5;cursor:default}
.chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:1.2rem}
.chips button{background:var(--card);border:1px solid var(--line);border-radius:999px;padding:7px 14px;cursor:pointer}
.note{background:var(--warn);border-radius:12px;padding:10px 14px;font-size:.92rem;margin-bottom:1rem}
.msg{margin-bottom:18px}
.msg.u{background:var(--thread);color:#fff;padding:10px 14px;border-radius:16px 16px 4px 16px;margin-left:18%;white-space:pre-wrap}
.msg.a{background:var(--card);border:1px solid var(--line);border-radius:16px 16px 16px 4px;padding:14px 16px}
.steps{margin:0 0 10px;padding:0;list-style:none;color:var(--mute);font-size:.92rem}
.steps li:before{content:"";display:inline-block;width:8px;height:8px;border-radius:50%;background:var(--thread);margin-right:8px}
.steps li.wait:before{background:var(--line)}
.knot{display:inline-grid;place-items:center;min-width:20px;height:20px;padding:0 5px;margin:0 2px;background:var(--knot);color:var(--ink);border:0;border-radius:6px;font-size:.75rem;font-weight:700;cursor:pointer;vertical-align:1px}
.srcs{margin:12px 0 0;padding:0;list-style:none;border-top:1px solid var(--line)}
.srcs li{padding:10px 0;border-bottom:1px solid var(--line);font-size:.92rem}
.srcs li.hl{background:var(--warn);margin:0 -8px;padding:10px 8px}
.srcs b{display:block}
.srcs span{color:var(--mute)}
.actions{display:flex;gap:8px;margin-top:10px}
.actions button{background:none;border:1px solid var(--line);border-radius:8px;padding:4px 12px;cursor:pointer;font-size:.88rem}
.askbar{position:sticky;bottom:calc(64px + env(safe-area-inset-bottom));background:var(--paper);padding:10px 0;display:flex;gap:8px}
.askbar input{flex:1}
.empty{border:1px dashed var(--line);border-radius:14px;padding:28px 18px;text-align:center;color:var(--mute)}
.list{list-style:none;margin:0;padding:0}
.list li{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:12px 14px;margin-bottom:10px;display:flex;justify-content:space-between;gap:10px;align-items:center}
.list li small{color:var(--mute);display:block}
.list .main{flex:1;min-width:0;cursor:pointer;background:none;border:0;text-align:left;padding:0}
.list .main b{display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.list .x{background:none;border:0;color:#9A3B2E;cursor:pointer;font-weight:600}
.drop{display:block;border:2px dashed var(--thread);border-radius:14px;padding:22px 16px;text-align:center;color:var(--thread-d);font-weight:600;cursor:pointer;margin-bottom:1rem;background:var(--card)}
.drop input{display:none}
label.f{display:block;font-weight:600;margin:14px 0 6px}
.row{display:flex;justify-content:space-between;align-items:center;margin-bottom:1rem}
.card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:16px;margin-bottom:14px}
@media (prefers-reduced-motion:no-preference){.msg{animation:in .2s ease-out}@keyframes in{from{opacity:0;transform:translateY(4px)}to{opacity:1;transform:none}}}