:root{
  --bg:#0f1417; --panel:#161d21; --panel2:#1d262b; --panel3:#243037; --line:#2a363d;
  --txt:#e8eef0; --muted:#8fa3ac; --dim:#65787f;
  --accent:#4ade80; --accent2:#38bdf8; --warn:#fbbf24; --danger:#f87171; --purple:#a78bfa;
}
*{box-sizing:border-box}
html,body{margin:0;height:100%}
body{background:var(--bg);color:var(--txt);font-family:'Be Vietnam Pro',system-ui,-apple-system,sans-serif;-webkit-tap-highlight-color:transparent}
button{cursor:pointer;font:inherit;border:0;border-radius:10px}
input,select,textarea{background:var(--panel2);border:1px solid var(--line);color:var(--txt);border-radius:10px;padding:10px 12px;font:inherit;font-size:14px;outline:none;width:100%}
input:focus,select:focus,textarea:focus{border-color:var(--accent2)}
input::placeholder,textarea::placeholder{color:#5c6d75}
.btn{background:var(--accent);color:#07231a;font-weight:600;padding:11px 20px}
.btn:hover{filter:brightness(1.1)}
.btn:disabled{opacity:.5;cursor:default}
.btn.ghost{background:var(--panel2);border:1px solid var(--line);color:var(--txt)}
.btn.blue{background:var(--accent2);color:#04222e}
.btn.big{width:100%;padding:14px;font-size:16px;margin-top:6px}
.card{background:var(--panel);border:1px solid var(--line);border-radius:16px;padding:16px}
.fld{display:block;margin-bottom:12px}
.fld>span{display:block;font-size:13px;color:var(--muted);margin-bottom:6px}
.fld>span em{color:var(--dim);font-style:normal;font-size:12px}
.row2{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.row3{display:grid;grid-template-columns:1fr 1fr 1fr;gap:10px}

/* ---------- home ---------- */
body.home{display:block;overflow-y:auto}
.home-wrap{max-width:620px;margin:0 auto;padding:48px 16px 80px}
.hero{text-align:center;margin-bottom:28px}
.logo{font-size:44px}
.hero h1{font-size:32px;margin:10px 0 8px;letter-spacing:-.6px;line-height:1.2}
.hero h1 span{color:var(--accent)}
.lead{color:var(--muted);font-size:15px;line-height:1.6;margin:0}
.create-card h2{margin:0 0 16px;font-size:19px}
.chips{display:flex;flex-wrap:wrap;gap:8px;margin:-4px 0 14px}
.chip-m{display:inline-flex;align-items:center;gap:6px;background:var(--panel3);border:1px solid var(--line);padding:6px 8px 6px 12px;border-radius:999px;font-size:13px}
.chip-m button{background:transparent;color:var(--dim);padding:0 2px;font-size:13px}
.chip-m button:hover{color:var(--danger)}
.hint{color:var(--dim);font-size:12.5px;text-align:center;margin:12px 0 0;line-height:1.5}
.recent{margin-top:26px}
.recent h3{font-size:14px;color:var(--muted);margin:0 0 10px;font-weight:500}
.recent-item{display:flex;justify-content:space-between;align-items:center;gap:10px;background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:12px 14px;margin-bottom:8px;text-decoration:none;color:var(--txt)}
.recent-item:hover{border-color:#3d4d57}
.recent-item span{color:var(--dim);font-size:12px;font-family:ui-monospace,monospace}
.features{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:32px}
.features .f{background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:14px}
.features b{display:block;font-size:14px;margin-bottom:5px}
.features span{color:var(--muted);font-size:12.5px;line-height:1.5}

/* ---------- trip shell ---------- */
body.trip{display:flex;flex-direction:column;height:100vh;overflow:hidden}
.topbar{display:flex;align-items:center;gap:12px;padding:10px 16px;background:var(--panel);border-bottom:1px solid var(--line);flex-shrink:0}
.topbar .home-link{color:var(--muted);text-decoration:none;font-size:20px}
.trip-title{flex:1;min-width:0}
.trip-title h1{font-size:17px;margin:0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.trip-title .meta{font-size:12px;color:var(--dim);margin-top:2px}
.who-badge{display:flex;align-items:center;gap:8px;background:var(--panel2);border:1px solid var(--line);border-radius:999px;padding:6px 8px 6px 12px;font-size:13px;cursor:pointer}
.dot{width:8px;height:8px;border-radius:50%;background:var(--accent);flex-shrink:0}
.presence{display:flex;gap:-6px}
.av{width:26px;height:26px;border-radius:50%;display:grid;place-items:center;font-size:11px;font-weight:700;color:#07231a;border:2px solid var(--panel);margin-left:-8px}
.icon-btn{background:var(--panel2);border:1px solid var(--line);color:var(--muted);padding:8px 12px;font-size:13px}
.icon-btn:hover{color:var(--txt)}

.tabs{display:flex;gap:4px;padding:0 16px;background:var(--panel);border-bottom:1px solid var(--line);flex-shrink:0;overflow-x:auto}
.tab{background:transparent;color:var(--muted);padding:12px 16px;border-radius:0;border-bottom:2px solid transparent;font-size:14px;white-space:nowrap}
.tab.on{color:var(--accent);border-bottom-color:var(--accent);font-weight:600}
.tab .n{background:var(--panel3);color:var(--muted);font-size:11px;padding:1px 6px;border-radius:999px;margin-left:6px}

.pane{flex:1;min-height:0;display:none}
.pane.on{display:flex}

/* ---------- places pane: split list + map ---------- */
.split{display:flex;width:100%;min-height:0}
.side{width:44%;min-width:340px;display:flex;flex-direction:column;border-right:1px solid var(--line);min-height:0}
.map-side{flex:1;position:relative;min-width:0}
#map{position:absolute;inset:0;background:var(--panel2)}
.map-empty{position:absolute;inset:0;display:grid;place-items:center;color:var(--dim);font-size:13px;text-align:center;padding:20px;pointer-events:none}

.side-head{padding:12px 14px;border-bottom:1px solid var(--line);flex-shrink:0}
.add-row{display:flex;gap:8px}
.add-row input{flex:1}
.sugg{position:relative}
.sugg-list{position:absolute;top:calc(100% + 4px);left:0;right:0;background:var(--panel3);border:1px solid var(--line);border-radius:12px;overflow:hidden;z-index:40;max-height:260px;overflow-y:auto}
.sugg-list div{padding:10px 12px;font-size:13px;cursor:pointer;border-bottom:1px solid var(--line)}
.sugg-list div:last-child{border-bottom:0}
.sugg-list div:hover,.sugg-list div.sel{background:var(--panel2)}
.sugg-list small{display:block;color:var(--dim);font-size:11.5px;margin-top:2px}

.toolbar{display:flex;gap:6px;flex-wrap:wrap;padding:10px 14px;border-bottom:1px solid var(--line);flex-shrink:0;align-items:center}
.chip{background:var(--panel2);border:1px solid var(--line);color:var(--muted);padding:6px 12px;border-radius:999px;font-size:12.5px}
.chip.on{background:var(--accent2);border-color:var(--accent2);color:#04222e;font-weight:600}
.chip.near{margin-left:auto;background:var(--panel2);border-color:#3a4a54;color:var(--warn)}
.chip.near.on{background:var(--warn);border-color:var(--warn);color:#2d2000;font-weight:600}

.list{flex:1;overflow-y:auto;padding:10px 14px 90px}
.pl{background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:12px;margin-bottom:10px;cursor:pointer;transition:.12s}
.pl:hover{border-color:#3d4d57}
.pl.sel{border-color:var(--accent2);background:var(--panel2)}
.pl-top{display:flex;justify-content:space-between;gap:8px;align-items:flex-start}
.pl h3{margin:0;font-size:15.5px;line-height:1.35}
.pl .tags{display:flex;gap:5px;flex-wrap:wrap;margin-top:7px}
.tag{font-size:11px;padding:3px 8px;border-radius:999px;background:var(--panel2);color:var(--muted);border:1px solid var(--line);white-space:nowrap}
.tag.day{color:var(--warn);border-color:#4a3d1c}
.tag.dist{color:var(--accent2);border-color:#1e3a4a}
.tag.cost{color:var(--purple);border-color:#332a55}
.pl .note{color:var(--muted);font-size:12.5px;line-height:1.5;margin:8px 0 0}
.pl .foot{display:flex;align-items:center;gap:8px;margin-top:10px;font-size:12px;color:var(--dim)}
.vote{background:var(--panel2);border:1px solid var(--line);color:var(--muted);padding:6px 11px;font-size:12.5px;font-weight:600}
.vote.on{background:#173a26;border-color:var(--accent);color:var(--accent)}
.mini{background:var(--panel2);border:1px solid var(--line);color:var(--muted);padding:6px 10px;font-size:12px}
.mini:hover{color:var(--txt)}
.mini.go{color:var(--accent2)}
.empty{color:var(--dim);text-align:center;padding:44px 20px;font-size:13.5px;line-height:1.6}

/* place detail sheet */
.detail{position:absolute;left:0;right:0;bottom:0;background:var(--panel);border-top:1px solid var(--line);border-radius:18px 18px 0 0;padding:16px;max-height:70%;overflow-y:auto;box-shadow:0 -12px 40px rgba(0,0,0,.5);z-index:30}
.detail h2{margin:0 0 4px;font-size:18px}
.detail .addr{color:var(--muted);font-size:12.5px;line-height:1.5}
.detail-acts{display:flex;gap:8px;flex-wrap:wrap;margin:14px 0}
.detail-acts .btn{padding:10px 16px;font-size:13.5px}
.close-x{position:absolute;top:12px;right:14px;background:var(--panel2);border:1px solid var(--line);color:var(--muted);padding:6px 10px}
.cmt{border-top:1px solid var(--line);margin-top:12px;padding-top:12px}
.cmt-item{font-size:13px;line-height:1.5;margin-bottom:8px}
.cmt-item b{color:var(--accent2);font-weight:600}
.cmt-form{display:flex;gap:8px;margin-top:10px}

/* ---------- timeline ---------- */
.tl-wrap{flex:1;overflow-y:auto;padding:16px;width:100%}
.tl-inner{max-width:900px;margin:0 auto}
.day{background:var(--panel);border:1px solid var(--line);border-radius:16px;margin-bottom:14px;overflow:hidden}
.day-head{display:flex;align-items:center;gap:10px;padding:13px 16px;background:var(--panel2);border-bottom:1px solid var(--line);flex-wrap:wrap}
.day-head b{font-size:15px}
.day-head .date{color:var(--muted);font-size:12.5px}
.day-head .wx{color:var(--warn);font-size:12.5px}
.day-head .sum{margin-left:auto;color:var(--dim);font-size:12px}
.day-body{padding:8px}
.slot{display:flex;gap:10px;align-items:flex-start;padding:10px;border-radius:12px;cursor:grab}
.slot:hover{background:var(--panel2)}
.slot.dragging{opacity:.4}
.slot .time{width:52px;flex-shrink:0;font-size:12.5px;color:var(--warn);font-variant-numeric:tabular-nums;padding-top:2px}
.slot .body{flex:1;min-width:0}
.slot .body b{font-size:14.5px;display:block}
.slot .body .sub{color:var(--muted);font-size:12px;margin-top:3px}
.slot .acts{display:flex;gap:6px;flex-shrink:0}
.leg{display:flex;align-items:center;gap:8px;padding:3px 10px 3px 72px;color:var(--dim);font-size:11.5px}
.leg::before{content:'';width:2px;height:16px;background:var(--line);border-radius:2px}
.dropzone{min-height:44px;border:1px dashed var(--line);border-radius:12px;margin:6px 10px;display:grid;place-items:center;color:var(--dim);font-size:12px}
.dropzone.over{border-color:var(--accent);background:#122019;color:var(--accent)}
.day-foot{display:flex;gap:8px;padding:10px 16px;border-top:1px solid var(--line);flex-wrap:wrap}

/* ---------- money / checklist ---------- */
.two-col{flex:1;overflow-y:auto;padding:16px;width:100%}
.two-col-inner{max-width:900px;margin:0 auto;display:grid;grid-template-columns:1fr 1fr;gap:14px;align-items:start}
.sec{background:var(--panel);border:1px solid var(--line);border-radius:16px;padding:16px}
.sec h2{margin:0 0 14px;font-size:16px}
.bal{display:flex;justify-content:space-between;align-items:center;padding:9px 0;border-bottom:1px solid var(--line);font-size:13.5px}
.bal:last-child{border-bottom:0}
.bal .pos{color:var(--accent);font-weight:600}
.bal .neg{color:var(--danger);font-weight:600}
.bal .zero{color:var(--dim)}
.transfer{display:flex;align-items:center;gap:8px;background:var(--panel2);border:1px solid var(--line);border-radius:12px;padding:11px 13px;margin-bottom:8px;font-size:13.5px}
.transfer .amt{margin-left:auto;font-weight:700;color:var(--accent)}
.exp{display:flex;align-items:center;gap:10px;padding:10px 0;border-bottom:1px solid var(--line);font-size:13.5px}
.exp:last-child{border-bottom:0}
.exp .who{color:var(--muted);font-size:12px}
.exp .amt{margin-left:auto;font-weight:600;font-variant-numeric:tabular-nums}
.share-picker{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:12px}
.ck{display:flex;align-items:center;gap:10px;padding:10px 0;border-bottom:1px solid var(--line);font-size:13.5px}
.ck:last-child{border-bottom:0}
.ck.done span{text-decoration:line-through;color:var(--dim)}
.ck-box{width:22px;height:22px;border-radius:6px;border:1px solid var(--line);background:var(--panel2);display:grid;place-items:center;flex-shrink:0;font-size:12px}
.ck.done .ck-box{background:var(--accent);border-color:var(--accent);color:#07231a}
.ck span{flex:1}
.ck small{color:var(--dim);font-size:11.5px}

/* ---------- modal ---------- */
.modal-bg{position:fixed;inset:0;background:rgba(0,0,0,.65);display:grid;place-items:center;z-index:100;padding:16px}
.modal{background:var(--panel);border:1px solid var(--line);border-radius:18px;padding:20px;width:100%;max-width:420px;max-height:85vh;overflow-y:auto}
.modal h2{margin:0 0 6px;font-size:19px}
.modal p{color:var(--muted);font-size:13.5px;line-height:1.6;margin:0 0 16px}
.pick{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:14px}
.pick button{background:var(--panel2);border:1px solid var(--line);color:var(--txt);padding:10px 14px;font-size:13.5px}
.pick button:hover{border-color:var(--accent)}
.share-box{display:flex;gap:8px;margin-top:10px}
.share-box input{font-family:ui-monospace,monospace;font-size:12.5px}
.toast{position:fixed;bottom:20px;left:50%;transform:translateX(-50%);background:var(--panel3);border:1px solid var(--line);color:var(--txt);padding:11px 18px;border-radius:999px;font-size:13.5px;z-index:200;box-shadow:0 8px 30px rgba(0,0,0,.5)}
.offline-bar{background:#3a2a12;color:var(--warn);text-align:center;font-size:12.5px;padding:6px}

@media(max-width:900px){
  .features,.two-col-inner,.row2{grid-template-columns:1fr}
  .split{flex-direction:column}
  .side{width:100%;min-width:0;border-right:0;flex:1}
  .map-side{display:none}
  body.map-mode .side{display:none}
  body.map-mode .map-side{display:block;flex:1}
  .fab-map{position:fixed;bottom:20px;right:16px;z-index:50;background:var(--accent2);color:#04222e;font-weight:600;padding:13px 20px;border-radius:999px;box-shadow:0 8px 30px rgba(0,0,0,.5)}
}
@media(min-width:901px){.fab-map{display:none}}