:root{
  color-scheme:light;
  --bg:#f7f7f8;--card:#fff;--ink:#16181d;--mute:#6b7280;--line:#e7e8ec;
  --brand:#3b5bdb;--brand-ink:#fff;--soft:#eef1fd;--warn:#b45309;--warn-bg:#fff4e0;--bad:#d92d20;--ok:#16794c;
}
*{box-sizing:border-box}
html,body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.45 system-ui,-apple-system,Segoe UI,Roboto,sans-serif}
body{padding-bottom:calc(72px + env(safe-area-inset-bottom))}
#app{max-width:640px;margin:0 auto;padding:0 16px}
h1{font-size:1.35rem;margin:18px 0 4px}h2{font-size:1.05rem;margin:18px 0 8px}
.mute{color:var(--mute);font-size:.9rem}
.top{display:flex;align-items:center;justify-content:space-between;padding:14px 0 0}
.brand{font-weight:700;color:var(--ink);font-size:1.15rem;letter-spacing:-.01em}
.iconbtn{background:none;border:1px solid var(--line);color:var(--ink);border-radius:10px;padding:6px 10px;font-size:.9rem;cursor:pointer}
.hero{background:var(--card);border:1px solid var(--line);border-radius:20px;padding:22px 18px 18px;margin:14px 0;box-shadow:0 1px 2px rgba(16,24,40,.04)}
.hero .big{font-size:2.2rem;font-weight:700;letter-spacing:-.02em}
.hero>div:first-child{color:var(--mute);font-size:.9rem}
.actions{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin-top:14px}
.actions button{background:var(--soft);color:var(--brand);border:0;border-radius:12px;padding:12px 4px;font-weight:600;font-size:.95rem;cursor:pointer}
.actions button:first-child{background:var(--brand);color:var(--brand-ink)}
.card{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:14px;margin:10px 0;box-shadow:0 1px 2px rgba(16,24,40,.04)}
.cat{display:flex;justify-content:space-between;gap:10px;align-items:flex-start}
.cat .name{font-weight:600}
.cat .amt{font-weight:700;white-space:nowrap}
.badge{display:inline-block;font-size:.72rem;padding:2px 8px;border-radius:99px;background:var(--soft);color:var(--brand);margin-left:6px;font-weight:600}
.badge.protected{background:var(--warn-bg);color:var(--warn)}
.bar{height:6px;border-radius:9px;background:var(--line);margin-top:8px;overflow:hidden}
.bar i{display:block;height:100%;background:var(--brand)}
.notice{background:var(--warn-bg);color:var(--warn);border-radius:12px;padding:10px 12px;margin:10px 0;font-size:.92rem}
.btn{background:var(--brand);color:var(--brand-ink);border:0;border-radius:12px;padding:13px 16px;font-weight:600;font-size:1rem;cursor:pointer;width:100%}
.btn.sec{background:var(--soft);color:var(--brand)}
.btn.danger{background:var(--bad);color:#fff}
.btn.small{width:auto;padding:7px 12px;font-size:.88rem}
.btn:disabled{opacity:.5}
label{display:block;font-size:.85rem;color:var(--mute);margin:12px 0 4px}
input,select,textarea{width:100%;padding:11px 12px;border:1px solid var(--line);border-radius:10px;background:var(--card);color:var(--ink);font:inherit}
input[type=radio],input[type=checkbox]{width:auto}
.row{display:flex;gap:8px;align-items:center}.row>*{flex:1}
.row .fit{flex:none}
.err{color:var(--bad);font-size:.9rem;margin-top:8px;min-height:1.2em}
nav{position:fixed;left:0;right:0;bottom:0;background:var(--card);border-top:1px solid var(--line);display:flex;justify-content:center;padding-bottom:env(safe-area-inset-bottom);z-index:5}
nav div{display:flex;width:100%;max-width:640px}
nav button{flex:1;background:none;border:0;color:var(--mute);padding:10px 2px 12px;font-size:.78rem;cursor:pointer}
nav button b{display:block;font-size:1.2rem;font-weight:400}
nav button.on{color:var(--brand);font-weight:600}
#sheet-root .back{position:fixed;inset:0;background:rgba(16,24,40,.4);z-index:20;display:flex;align-items:flex-end;justify-content:center}
#sheet-root .sheet{background:var(--bg);width:100%;max-width:640px;max-height:92vh;overflow:auto;border-radius:20px 20px 0 0;padding:6px 16px 24px}
.sheet .grab{width:42px;height:4px;background:var(--line);border-radius:9px;margin:8px auto 4px}
#toast{position:fixed;left:50%;transform:translateX(-50%);bottom:90px;background:var(--ink);color:var(--bg);padding:10px 16px;border-radius:12px;z-index:40;display:none;max-width:90%}
.chat{display:flex;flex-direction:column;gap:8px;min-height:50vh;padding-bottom:8px}
.bubble{padding:10px 13px;border-radius:16px;max-width:85%;white-space:pre-wrap;overflow-wrap:anywhere}
.bubble.me{align-self:flex-end;background:var(--brand);color:var(--brand-ink)}
.bubble.ai{align-self:flex-start;background:var(--card);border:1px solid var(--line)}
.composer{position:sticky;bottom:calc(66px + env(safe-area-inset-bottom));display:flex;gap:8px;background:var(--bg);padding:8px 0}
.composer input{flex:1}
.composer button{flex:none;width:48px;border-radius:12px;border:0;background:var(--brand);color:var(--brand-ink);font-size:1.2rem;cursor:pointer}
.composer button.rec{background:var(--bad);color:#fff}
.planrow{border:1px solid var(--line);border-radius:12px;padding:10px;margin:8px 0;background:var(--card)}
.planrow .row{margin-top:6px}
.total{font-weight:700}.total.bad{color:var(--bad)}.total.ok{color:var(--ok)}
.seg{display:flex;gap:6px;flex-wrap:wrap}
.seg label{margin:0;display:flex;gap:6px;align-items:center;border:1px solid var(--line);border-radius:10px;padding:8px 10px;color:var(--ink);background:var(--card)}
.tx{display:flex;justify-content:space-between;gap:10px;padding:10px 0;border-bottom:1px solid var(--line)}
.tx:last-child{border:0}
.st{font-size:.78rem;font-weight:700}.st.completed{color:var(--ok)}.st.failed,.st.rejected,.st.cancelled{color:var(--bad)}.st.pending,.st.processing,.st.cooling,.st.awaiting_approval{color:var(--warn)}
.login{padding-top:12vh}
@media (min-width:700px){body{padding-bottom:90px}}

.node{margin:6px 0}
.node summary{cursor:pointer;list-style:none}
.node summary::-webkit-details-marker{display:none}
.node>summary{display:flex;gap:6px;align-items:flex-start}
.node>summary .cat{flex:1}
.node>summary::before{content:"▸";color:var(--mute);line-height:1.5}
.node[open]>summary::before{content:"▾"}
.kids{margin:6px 0 0 14px;padding-left:10px;border-left:2px solid var(--line)}
.grp.nested{margin-left:10px;padding-left:8px;border-left:2px solid var(--line)}
.grp .total{font-size:.85rem;margin:2px 0 8px}
.planrow .eff{color:var(--mute);font-weight:400}
.planrow .row{flex-wrap:wrap}
.planrow .row>div{min-width:90px}
.planrow .btn.fit{flex:none}
div.node{padding-left:16px}

.practice{background:var(--warn-bg);color:var(--warn);border-radius:10px;padding:8px 12px;font-size:.85rem;margin:6px 0 10px}
.learncard{display:flex;align-items:center;gap:12px}
.learncard>div{flex:1}
.lesson{display:flex;justify-content:space-between;align-items:center;gap:10px;cursor:pointer}
.ldone{color:var(--ok);font-weight:600}
.ltext{font-size:1.02rem;line-height:1.55}
.lnode{display:flex;justify-content:space-between;gap:10px;padding:5px 0}
.lok{background:#e8f6ee;color:var(--ok);border-radius:10px;padding:10px 12px;margin-top:10px}
.lbad{background:#fdecea;color:var(--bad);border-radius:10px;padding:10px 12px;margin-top:10px}
.chip{cursor:pointer;font-size:.85rem}
.forgot{display:inline-block;margin:6px 0 0;color:var(--brand);font-size:.9rem;cursor:pointer;text-decoration:underline}

.adtab{cursor:pointer}.adtab.on{border-color:var(--brand);color:var(--brand);font-weight:600;background:var(--soft)}
.adgrid{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.adstat{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:12px}
.adstat b{display:block;font-size:1.15rem;margin:2px 0}
.adchart{display:flex;gap:4px;overflow-x:auto;align-items:flex-end;min-height:130px}
.adcol{display:flex;flex-direction:column;align-items:center;min-width:22px;flex:1}
.adbars{display:flex;gap:2px;align-items:flex-end;height:100px;width:100%}
.adbars i{flex:1;border-radius:3px 3px 0 0;min-height:2px}
.adbars .in,.adkey.in{background:var(--brand)}.adbars .out,.adkey.out{background:#f59e0b}
.adkey{display:inline-block;width:10px;height:10px;border-radius:2px;margin:0 4px 0 6px}
.adcol span{font-size:.65rem;color:var(--mute)}
.adt{border-collapse:collapse;width:100%;font-size:.85rem}.adt th{text-align:left;color:var(--mute);font-weight:500;padding:6px 8px;white-space:nowrap}
.adt td{padding:7px 8px;border-top:1px solid var(--line);vertical-align:top}
.adt td:nth-child(2),.adt td:nth-child(6),.adt td:nth-child(7){white-space:normal;overflow-wrap:anywhere}
@media (min-width:700px){#app.wide{max-width:1000px}.adgrid{grid-template-columns:repeat(3,1fr)}}
.adcol{max-width:48px}
.composer button.rec{background:var(--bad)}

.dot{display:inline-block;width:8px;height:8px;border-radius:50%;background:#e5484d;margin-left:5px;vertical-align:middle}
nav button{position:relative}
nav button.learntab .dot{position:absolute;top:6px;right:calc(50% - 22px);margin:0}
nav button.learntab{color:var(--brand);font-weight:600}
.learnhero{background:var(--soft);border:2px solid var(--brand);border-radius:18px;padding:16px;margin:14px 0}
.lh-tag{display:inline-block;background:var(--brand);color:var(--brand-ink);font-size:.72rem;font-weight:700;letter-spacing:.04em;text-transform:uppercase;padding:3px 9px;border-radius:99px;margin-bottom:8px}
.lh-title{font-size:1.15rem;font-weight:700;line-height:1.3;margin-bottom:4px}
.learnbanner{display:flex;justify-content:space-between;align-items:center;gap:10px;width:100%;margin:10px 0 0;background:var(--soft);color:var(--brand);border:1px solid var(--brand);border-radius:12px;padding:10px 12px;font:inherit;font-size:.9rem;text-align:left;cursor:pointer}
.learnbanner .lb-go{font-weight:700;white-space:nowrap}
.menubtn{font-weight:600}
.menuitem{display:flex;align-items:center;gap:12px;width:100%;background:var(--card);border:1px solid var(--line);border-radius:14px;padding:12px;margin:8px 0;font:inherit;color:var(--ink);text-align:left;cursor:pointer}
.menuitem.hot{border:2px solid var(--brand);background:var(--soft)}
.menuitem .mi{font-size:1.3rem;width:30px;text-align:center}
.menuitem .mt{flex:1;display:flex;flex-direction:column}
.menuitem .mt .mute{font-size:.82rem}
.waitbanner{background:#fff4e0;color:#b45309;border-color:#f59e0b}

.neg{color:var(--bad)}
.todaycard .big{font-size:1.9rem;font-weight:700;letter-spacing:-.02em}
.todayrow{margin-top:10px;cursor:pointer}
.spendline{display:flex;gap:8px;align-items:baseline;flex-wrap:wrap;margin-top:6px;font-size:.9rem}
.spendline b{font-size:1rem}
.spendbtn{background:var(--soft);color:var(--brand);border:0;border-radius:8px;padding:5px 10px;font:inherit;font-size:.82rem;font-weight:600;cursor:pointer;margin-top:6px}
.chip.on{border-color:var(--brand);background:var(--soft);color:var(--brand);font-weight:600}
.fcstream .row{margin-top:4px}
.fcleaf{padding:7px 0;border-top:1px solid var(--line)}.fcleaf:first-child{border:0}
.card .big{font-size:1.6rem;font-weight:700;letter-spacing:-.02em}
.row select{min-width:0}

.pkrow{display:flex;gap:10px;align-items:flex-start;padding:10px 12px;margin:6px 0;background:var(--card);border:1px solid var(--line);border-radius:12px;color:var(--ink);font-size:1rem;cursor:pointer}
.pkrow input{margin-top:4px;width:18px;height:18px;flex:none}
.pkall{border:2px solid var(--brand);background:var(--soft)}