:root{--ink:#241933;--plum:#2b1d3a;--plum2:#463060;--cream:#fbf7f2;--card:#fff;--line:#ebe2ec;--coral:#ff6b4a;--coral2:#e8533a;--mint:#7cdebe;--mintd:#1f8a68;--muted:#6f6479;--red:#c23b2a;--r:20px}
*{box-sizing:border-box}html,body{margin:0}body{font:16px/1.45 system-ui,-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;color:var(--ink);background:var(--cream);-webkit-font-smoothing:antialiased;padding-bottom:88px}
header.top{position:sticky;top:0;z-index:5;background:var(--plum);color:#fff;display:flex;align-items:center;gap:10px;padding:10px 16px}
.brand{display:flex;gap:8px;align-items:center;font:700 20px/1 "Iowan Old Style","Palatino Linotype",Georgia,serif;color:#fff;text-decoration:none}.brand img{width:28px;height:28px;border-radius:8px}
.trip{flex:1;text-align:right;font-size:13px;opacity:.8;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.badge{font-size:11px;font-weight:800;padding:3px 9px;border-radius:99px;background:rgba(255,255,255,.14);color:#fff;letter-spacing:.06em}.badge.pro{background:var(--coral)}
main{max-width:720px;margin:0 auto;padding:16px}
h1{font:700 26px/1.15 "Iowan Old Style","Palatino Linotype",Georgia,serif;margin:6px 0 14px}h2{font-size:17px;margin:0 0 10px}h3{font-size:15px;margin:0 0 6px}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:18px;margin-bottom:14px}
.hero{background:var(--plum);color:#fff;border:0}.hero .muted{color:#cbbfd8}
.big{font:700 40px/1.1 "Iowan Old Style","Palatino Linotype",Georgia,serif}
.muted{color:var(--muted);font-size:14px}.small{font-size:13px}
label{display:block;font-size:13px;font-weight:700;color:var(--muted);margin:12px 0 5px}
input,select,textarea{width:100%;font:inherit;padding:11px 12px;border:1.5px solid var(--line);border-radius:14px;background:#fff;color:var(--ink)}input:focus,select:focus,textarea:focus{outline:none;border-color:var(--coral)}
input[type=checkbox]{width:auto;accent-color:var(--coral)}
.row{display:flex;gap:10px}.row>*{flex:1;min-width:0}
button,.btn{font:inherit;font-weight:700;border:0;border-radius:99px;padding:12px 18px;background:var(--coral);color:#fff;cursor:pointer;text-decoration:none;display:inline-block;text-align:center}
button.ghost,.btn.ghost{background:transparent;color:var(--plum);border:1.5px solid var(--line)}button.plum,.btn.plum{background:var(--plum)}button.danger{background:transparent;color:var(--red);border:1.5px solid #f0cfc8}
button.sm{padding:6px 12px;font-size:13px}
.full{width:100%}.mt{margin-top:12px}.right{text-align:right}
.list{list-style:none;margin:0;padding:0}.list li{padding:12px 0;border-bottom:1px solid var(--line);display:flex;gap:10px;align-items:center;justify-content:space-between}.list li:last-child{border:0}
.list .amt{font-weight:800;white-space:nowrap}
.pill{display:inline-block;font-size:12px;padding:3px 9px;border-radius:99px;background:#f3edf6;margin:2px 4px 2px 0}
.who{display:flex;flex-wrap:wrap;gap:8px}.who label{display:flex;align-items:center;gap:6px;margin:0;font-weight:600;color:var(--ink);background:#f6f1f8;border-radius:99px;padding:6px 12px}
.split-row{display:flex;align-items:center;gap:8px;margin:6px 0}.split-row span{flex:1}.split-row input{width:110px;flex:none}
.pos{color:var(--mintd)}.neg{color:var(--red)}
.xfer{display:flex;align-items:center;gap:8px;flex-wrap:wrap}.xfer b{font-weight:800}.arrow{color:var(--coral)}
.lock{display:flex;gap:10px;align-items:center;justify-content:space-between;background:#fff1ec;border:1.5px dashed var(--coral);border-radius:16px;padding:12px;font-size:14px}
.tripcard{display:flex;justify-content:space-between;align-items:center;gap:10px}.tripcard.on{border:2px solid var(--coral)}
.banner{background:var(--mint);color:var(--plum);border-radius:16px;padding:14px;margin-bottom:14px;font-size:14px}
.bar{height:10px;border-radius:99px;background:#f1e9f3;overflow:hidden;margin-top:4px}.bar i{display:block;height:100%;background:var(--coral)}
nav.tabs{position:fixed;bottom:0;left:0;right:0;z-index:6;display:flex;justify-content:space-around;background:var(--plum);padding:6px 4px calc(6px + env(safe-area-inset-bottom))}
nav.tabs button{background:none;color:#bfb2cc;font-size:12px;font-weight:600;padding:6px 10px;display:flex;flex-direction:column;align-items:center;gap:2px;border-radius:14px}nav.tabs button.on{color:#fff;background:rgba(255,255,255,.1)}nav.tabs svg{width:22px;height:22px}
.toast{position:fixed;left:50%;bottom:100px;transform:translateX(-50%);background:var(--ink);color:#fff;padding:10px 16px;border-radius:14px;font-size:14px;z-index:20;opacity:0;transition:.2s;pointer-events:none}.toast.show{opacity:1}
textarea.mono{font:13px/1.4 ui-monospace,Menlo,Consolas,monospace}
.hidden{display:none!important}