/* TumpangBeli — v1 stylesheet. Dark board, amber accent. Mobile-first. */
:root{
  --bg:#0b0d10; --panel:#12151a; --panel2:#171b21; --line:#232830;
  --fg:#e8eaed; --mut:#9aa3af; --accent:#f5a524; --accent-dim:rgba(245,165,36,.14);
  --ok:#3ddc97; --no:#ff6b6b; --r:12px;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0;max-width:100%}
body{
  background:var(--bg); color:var(--fg); font-size:15px; line-height:1.55;
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  -webkit-font-smoothing:antialiased; overflow-wrap:break-word;
}
a{color:var(--accent);text-decoration:none}
h1,h2,h3,h4{margin:0;line-height:1.25}
h1{font-size:30px;letter-spacing:-.02em}
h2{font-size:21px;letter-spacing:-.01em}
h3{font-size:16px}
h4{font-size:11px;letter-spacing:.08em;text-transform:uppercase;color:var(--mut);font-weight:600}
p{margin:8px 0 0}
.mut{color:var(--mut)}
.sm{font-size:13.5px}
.xs{font-size:12px}
.wrap{max-width:1060px;margin:0 auto;padding:0 18px}
.center{text-align:center}

/* ---------- top bar ---------- */
.topbar{position:sticky;top:0;z-index:30;background:rgba(11,13,16,.92);
  backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.topbar .wrap{display:flex;align-items:center;gap:18px;height:60px}
.brand{font-weight:800;font-size:18px;letter-spacing:-.02em;color:var(--fg);white-space:nowrap}
.brand span{color:var(--mut);font-weight:400;font-size:13px}
.nav{display:flex;gap:18px;font-size:14px;margin-left:8px;min-width:0}
.nav a{color:var(--mut)}
.nav a:hover{color:var(--fg)}
.nav a.on{color:var(--fg);font-weight:600}
.topbar .right{margin-left:auto;display:flex;gap:10px;align-items:center}

/* ---------- buttons ---------- */
.btn{border:0;border-radius:9px;padding:10px 16px;font:inherit;font-size:13.5px;font-weight:600;
  cursor:pointer;background:var(--fg);color:#0b0d10;display:inline-block}
.btn:hover{opacity:.9}
.btn.ghost{background:transparent;color:var(--fg);border:1px solid var(--line);font-weight:500}
.btn.ghost:hover{border-color:var(--mut);opacity:1}
.btn.sm{padding:7px 12px;font-size:12.5px}
.btn.block{width:100%;text-align:center}
.btn[disabled]{opacity:.45;cursor:not-allowed}

/* ---------- hero / search ---------- */
.hero{padding:30px 0 22px}
.searchbar{display:grid;grid-template-columns:1.1fr 1.1fr .9fr auto;gap:8px;margin-top:18px}
.field{border:1px solid var(--line);border-radius:10px;padding:9px 11px;background:var(--panel)}
.field label{display:block;font-size:10px;text-transform:uppercase;letter-spacing:.06em;color:var(--mut);margin-bottom:3px}
.field input,.field select,.field textarea{
  width:100%;background:transparent;border:0;color:var(--fg);font:inherit;font-size:14px;padding:0;outline:none}
.field textarea{resize:vertical;min-height:64px}
.field select{cursor:pointer}
.field select option{background:#12151a;color:#e8eaed}
.notifystrip{margin-top:12px;border:1px dashed rgba(245,165,36,.45);background:var(--accent-dim);
  border-radius:10px;padding:11px 13px;display:flex;align-items:center;gap:10px;flex-wrap:wrap;font-size:13px}
.pill{font-size:10px;font-weight:700;padding:2px 8px;border-radius:20px;background:var(--accent);
  color:#0b0d10;text-transform:uppercase;letter-spacing:.04em;white-space:nowrap}

/* ---------- layout with filter rail ---------- */
.board{display:grid;grid-template-columns:250px 1fr;gap:22px;align-items:start;padding:22px 0 60px}
.board>*{min-width:0}
.rail{position:sticky;top:78px;border:1px solid var(--line);border-radius:var(--r);background:var(--panel);padding:14px}
.rail h4{margin-bottom:10px}
.rail .grp{margin-bottom:14px}
.chk{display:flex;align-items:center;gap:8px;font-size:13.5px;margin-bottom:6px;cursor:pointer;color:var(--fg)}
.chk input{accent-color:var(--accent);width:15px;height:15px}

/* ---------- tabs ---------- */
.tabs{display:flex;gap:20px;border-bottom:1px solid var(--line);margin-bottom:14px;font-size:14px;overflow-x:auto;min-width:0}
.tab{padding:0 0 9px;color:var(--mut);cursor:pointer;white-space:nowrap;background:none;border:0;font:inherit}
.tab.on{color:var(--fg);font-weight:600;border-bottom:2px solid var(--accent);margin-bottom:-1px}

/* ---------- trip card ---------- */
.trip{background:var(--panel);border:1px solid var(--line);border-radius:var(--r);padding:15px;margin-bottom:12px}
.trip:hover{border-color:#31384a}
.rowline{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.rowline>*{min-width:0}
.spacer{flex:1 1 0;min-width:0}
.av{width:36px;height:36px;border-radius:50%;display:grid;place-items:center;font-weight:700;font-size:14px;
  background:var(--accent-dim);border:1px solid rgba(245,165,36,.35);flex:0 0 auto}
.who{font-weight:600;font-size:14.5px}
.stars{color:var(--accent);font-size:11.5px;letter-spacing:1px}
.route{font-size:16px;font-weight:600;margin:11px 0 3px}
.route .arw{color:var(--mut);font-weight:400}
.meta{display:flex;flex-wrap:wrap;gap:6px;margin-top:9px}
.tag{display:inline-block;font-size:11px;border:1px solid var(--line);border-radius:20px;
  padding:2px 9px;color:var(--mut);white-space:nowrap}
.tag.hi{border-color:rgba(245,165,36,.55);color:var(--fg)}
.tag.ok{border-color:rgba(61,220,151,.5);color:#cdf5e5}
.tag.warnchip{border-color:rgba(245,165,36,.6);color:var(--accent)}
.tag.okchip{border-color:rgba(61,220,151,.55);color:#cdf5e5}
.tag.nochip{border-color:rgba(255,107,107,.55);color:#ffc9c9}
.fee-row{display:grid;grid-template-columns:1.6fr 1fr;gap:6px}
.fee-row select,.fee-row input{min-width:0}
.actions{display:flex;gap:8px;margin-top:13px;align-items:center;flex-wrap:wrap}

/* ---------- detail ---------- */
.panel{background:var(--panel);border:1px solid var(--line);border-radius:var(--r);padding:16px;margin-top:14px}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:12px}
.box{background:var(--panel2);border:1px solid var(--line);border-radius:10px;padding:12px 14px}
.box h4{margin-bottom:7px}
ul{margin:6px 0 0;padding-left:18px}
li{margin-bottom:4px}
li::marker{color:var(--mut)}
.formgrid{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:12px}
.formgrid .full{grid-column:1/-1}
.notice{border:1px solid rgba(61,220,151,.45);background:rgba(61,220,151,.1);border-radius:10px;
  padding:12px 14px;margin-top:12px;font-size:13.5px}
.warn{border:1px dashed var(--line);border-radius:10px;padding:12px 14px;margin-top:14px;font-size:13px;color:var(--mut)}
.timeline{list-style:none;padding:0;margin:8px 0 0}
.timeline li{border-left:2px solid var(--line);padding:0 0 10px 12px;font-size:12.5px;position:relative}
.timeline li::before{content:"";position:absolute;left:-5px;top:6px;width:8px;height:8px;border-radius:50%;background:var(--accent)}
.timeline li:last-child{border-left-color:transparent}

/* ---------- table ---------- */
table{width:100%;border-collapse:collapse;font-size:13.5px;margin-top:10px}
th,td{text-align:left;padding:9px 10px;border-bottom:1px solid var(--line);vertical-align:top}
th{font-size:11px;letter-spacing:.08em;text-transform:uppercase;color:var(--mut);font-weight:600}
td.num{white-space:nowrap;font-variant-numeric:tabular-nums}

/* ---------- modal ---------- */
dialog{border:1px solid var(--line);background:var(--panel);color:var(--fg);border-radius:14px;
  padding:20px;max-width:440px;width:calc(100% - 36px)}
dialog::backdrop{background:rgba(0,0,0,.62)}
dialog h3{margin-bottom:6px}

/* ---------- footer ---------- */
.foot{border-top:1px solid var(--line);margin-top:40px;padding:26px 0 50px;font-size:13px;color:var(--mut)}
.foot .cols{display:grid;grid-template-columns:2fr 1fr 1fr;gap:22px;margin-bottom:18px}
.foot a{color:var(--mut)}
.foot a:hover{color:var(--fg)}
.empty{border:1px dashed var(--line);border-radius:var(--r);padding:26px;text-align:center;color:var(--mut)}

/* ---------- responsive ---------- */
@media (max-width:900px){
  .board{grid-template-columns:1fr}
  .rail{position:static}
  .foot .cols{grid-template-columns:1fr}
}
@media (max-width:700px){
  h1{font-size:24px}
  .searchbar{grid-template-columns:1fr}
  .grid2,.formgrid{grid-template-columns:1fr}
  .topbar .wrap{height:auto;padding:10px 0;flex-wrap:wrap;gap:10px}
  .nav{width:100%;order:3;flex-wrap:wrap;gap:8px 16px;overflow:visible;margin-left:0}
  .topbar .right{order:2;margin-left:auto}
  .rail{padding:12px}
  .trip .actions .spacer{display:none}
  .trip .actions .xs{flex:1 1 100%}
  .notifystrip .spacer{display:none}
  .notifystrip{gap:8px}
}