:root{
  /* Facebook dark-mode palette */
  --bg:#18191a; --surface:#242526; --surface2:#3a3b3c; --line:#3e4042;
  --ink:#e4e6eb; --ink2:#b0b3b8; --blue:#2d88ff; --blue-soft:rgba(45,136,255,.18);
  --deal:#f0556b;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;overflow-x:clip}
body{margin:0;background:var(--bg);color:var(--ink);width:100%;max-width:100%;overflow-x:clip;
  font:16px/1.4 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  -webkit-tap-highlight-color:transparent;overscroll-behavior-y:none}
a{text-decoration:none;color:inherit}
a,button,label,.seg-i{touch-action:manipulation}   /* kill 300ms tap delay / double-tap zoom */
input,button{font-family:inherit}
::-webkit-scrollbar{display:none}          /* clean mobile scroll */

/* ---- sticky top: app bar + filter chips ---- */
.topbar{position:sticky;top:0;z-index:30;background:var(--bg);
  border-bottom:1px solid var(--line)}
.appbar{display:flex;align-items:center;justify-content:space-between;
  padding:calc(env(safe-area-inset-top) + 10px) 14px 8px}
.appbar-title{font-size:22px;font-weight:800;letter-spacing:-.3px;display:flex;
  align-items:center;gap:8px}
.mp-dot{width:30px;height:30px;border-radius:50%;background:var(--blue);
  display:flex;align-items:center;justify-content:center;font-size:16px}
.addbtn{width:40px;height:40px;border-radius:50%;background:var(--surface2);
  display:flex;align-items:center;justify-content:center;font-size:24px;
  font-weight:600;color:var(--ink);cursor:pointer;user-select:none}
.addbtn:active{background:var(--blue);color:#fff}
.appbar-actions{display:flex;align-items:center;gap:8px}
.iconbtn{min-width:40px;height:40px;padding:0 10px;border-radius:20px;background:var(--surface2);
  display:flex;align-items:center;justify-content:center;font-size:18px;color:var(--ink)}
.iconbtn:active{background:var(--blue);color:#fff}

/* ---- usage / cost page ---- */
.usage-card{background:var(--surface);border:1px solid var(--line);border-radius:14px;
  padding:22px;text-align:center;margin-bottom:14px}
.usage-label{font-size:12px;color:var(--ink2);text-transform:uppercase;letter-spacing:.4px}
.usage-big{font-size:44px;font-weight:800;margin:6px 0 2px;letter-spacing:-1px}
.usage-sub{font-size:13px;color:var(--ink2)}
.usage-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-bottom:14px}
.ucell{background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:14px 6px;text-align:center}
.ucell-n{font-size:19px;font-weight:700}
.ucell-l{font-size:11px;color:var(--ink2);margin-top:3px}
.usage-warn{background:rgba(240,85,107,.12);border:1px solid var(--deal);border-radius:12px;
  padding:12px 14px;font-size:13px;line-height:1.5;margin-bottom:6px}
.urow{display:flex;align-items:center;gap:10px;background:var(--bg);border:1px solid var(--line);
  border-radius:10px;padding:9px 12px}
.urow-t{flex:1;min-width:0;font-size:13px;color:var(--ink2);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.urow-s{flex:none;font-size:11px;font-weight:700;color:#3ea35a}
.urow-s.bad{color:#ff8a98}
.urow-c{flex:none;font-size:14px;font-weight:700}

.chipbar{display:flex;align-items:center;gap:8px;padding:4px 14px 10px;overflow-x:auto}
.seg{display:flex;background:var(--surface2);border-radius:999px;padding:3px;flex:none}
.seg-i{padding:7px 16px;font-size:14px;font-weight:600;color:var(--ink2);
  border-radius:999px;white-space:nowrap}
.seg-i.on{background:var(--blue);color:#fff}
.dealchip{flex:none;padding:8px 14px;border-radius:999px;background:var(--surface2);
  font-size:14px;font-weight:600;color:var(--ink);white-space:nowrap}
.dealchip.on{background:var(--deal);color:#fff}
.newchip{flex:none;padding:8px 14px;border-radius:999px;background:var(--surface2);
  font-size:14px;font-weight:600;color:var(--ink);white-space:nowrap}
.newchip.on{background:#3ea35a;color:#fff}

/* ---- saved-search chips (scroll) ---- */
.searchchips{display:flex;gap:8px;padding:10px 14px 6px;overflow-x:auto}
.schip{flex:none;padding:8px 14px;border-radius:999px;background:var(--surface);
  border:1px solid var(--line);font-size:14px;font-weight:600;color:var(--ink2);white-space:nowrap}
.schip.on{background:var(--blue-soft);border-color:var(--blue);color:#7fb6ff}

/* ---- sort selector ---- */
.sortrow{padding:2px 14px 8px}
.sortsel{background:var(--surface2);color:var(--ink);border:1px solid var(--line);border-radius:999px;
  padding:7px 30px 7px 14px;font-size:13px;font-weight:600;font-family:inherit}

/* ---- map page (Leaflet + OSM) ---- */
#map{height:calc(100dvh - 58px);width:100%;background:#1b1b1b}
.map-cap{position:fixed;top:62px;left:12px;max-width:72%;z-index:600;background:var(--surface);
  border:1px solid var(--line);border-radius:10px;padding:8px 12px;font-size:14px;font-weight:600;
  box-shadow:0 2px 8px rgba(0,0,0,.4)}
.map-approx{color:var(--ink2);font-weight:400;font-size:12px}
.map-gmaps{position:fixed;bottom:calc(env(safe-area-inset-bottom) + 16px);left:50%;transform:translateX(-50%);
  z-index:600;background:var(--blue);color:#fff;padding:12px 18px;border-radius:999px;font-weight:700;
  font-size:14px;box-shadow:0 4px 14px rgba(0,0,0,.45)}

/* ---- feed: 2-col card grid ---- */
.feed{padding:8px 12px calc(env(safe-area-inset-bottom) + 24px)}
.empty{color:var(--ink2);text-align:center;padding:64px 16px;line-height:1.6}
.mgrid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px 10px}
.mcard{display:flex;flex-direction:column;min-width:0}  /* min-width:0 lets the 2 grid columns shrink to fit the screen */
.mcard-main{display:block;min-width:0}
.mthumb{position:relative;width:100%;aspect-ratio:1/1;border-radius:10px;overflow:hidden;
  background:var(--surface2)}
.mthumb img{width:100%;height:100%;object-fit:cover;display:block}
.mcard:active .mthumb{opacity:.85}
.mnoimg{display:flex;align-items:center;justify-content:center;height:100%;
  color:var(--ink2);font-size:13px}
.mdeal{position:absolute;top:7px;left:7px;background:var(--deal);color:#fff;
  padding:3px 7px;border-radius:6px;font-size:11px;font-weight:800}
.msrc{position:absolute;top:7px;right:7px;width:21px;height:21px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;font-size:11px;font-weight:800;color:#fff}
.msrc.kj{background:#3ea35a} .msrc.fb{background:#2d88ff} .msrc.kr{background:#ff8c42;font-size:12px}
.mtime{position:absolute;bottom:7px;left:7px;background:rgba(0,0,0,.62);color:#fff;
  padding:2px 7px;border-radius:6px;font-size:11px;font-weight:600}
.mprice{font-size:16px;font-weight:700;margin-top:7px}
.mdrop{font-size:11px;font-weight:700;color:var(--ink2);text-decoration:line-through;margin-left:5px}
.mhide-f{margin:0;flex:none}
.mhide{border:none;cursor:pointer;color:var(--ink2)}
.mhide:active{background:var(--deal);color:#fff}
.mtitle{font-size:14px;color:var(--ink);margin-top:1px;overflow:hidden;
  text-overflow:ellipsis;white-space:nowrap}
.mmeta{display:flex;align-items:center;gap:6px;margin-top:3px}
.mloc{flex:1;min-width:0;font-size:13px;color:var(--ink2);overflow:hidden;
  text-overflow:ellipsis;white-space:nowrap}
.mmap{flex:none;width:28px;height:28px;border-radius:50%;background:var(--surface2);
  display:flex;align-items:center;justify-content:center;font-size:14px}
.mmap:active{background:var(--blue)}

/* ---- bottom sheet (create + manage), CSS-only via checkbox ---- */
.sheet-backdrop{position:fixed;inset:0;background:rgba(0,0,0,.55);opacity:0;
  pointer-events:none;transition:opacity .25s ease;z-index:40}
.sheet{position:fixed;left:0;right:0;bottom:0;z-index:41;background:var(--surface);
  border-radius:18px 18px 0 0;padding:8px 18px calc(env(safe-area-inset-bottom) + 20px);
  transform:translateY(100%);transition:transform .28s cubic-bezier(.32,.72,0,1);
  max-height:88vh;max-height:88dvh;overflow-y:auto;box-shadow:0 -6px 24px rgba(0,0,0,.4)}
.sheet-toggle:checked ~ .sheet{transform:translateY(0)}
.sheet-toggle:checked ~ .sheet-backdrop{opacity:1;pointer-events:auto}
.sheet-grip{width:40px;height:5px;border-radius:3px;background:var(--surface2);
  margin:6px auto 10px}
.sheet-head{display:flex;justify-content:space-between;align-items:center;
  font-size:18px;font-weight:700;margin-bottom:12px}
.sheet-x{width:34px;height:34px;border-radius:50%;background:var(--surface2);
  display:flex;align-items:center;justify-content:center;cursor:pointer;font-size:15px}

.cform{display:flex;flex-direction:column;gap:10px}
.cform input{width:100%;background:var(--bg);border:1px solid var(--line);border-radius:10px;
  padding:13px 14px;font-size:16px;color:var(--ink)}   /* 16px = no iOS zoom */
.cform input::placeholder{color:var(--ink2)}
.cform input:focus{outline:none;border-color:var(--blue);box-shadow:0 0 0 2px var(--blue-soft)}
.cform textarea{width:100%;background:var(--bg);border:1px solid var(--line);border-radius:10px;
  padding:13px 14px;font-size:16px;color:var(--ink);min-height:70px;resize:vertical;font-family:inherit}
.cform textarea:focus{outline:none;border-color:var(--blue);box-shadow:0 0 0 2px var(--blue-soft)}
.fld-l{font-size:12px;color:var(--ink2);margin:2px 2px -2px;line-height:1.4}
.cform .two{display:flex;gap:10px}
.srcrow{display:flex;gap:18px;padding:2px 2px}
.cb{display:flex;align-items:center;gap:8px;font-size:15px}
.cb-row{padding:6px 2px}
.cb input{width:20px;height:20px}
.cform button{margin-top:4px;background:var(--blue);color:#fff;border:none;border-radius:10px;
  padding:15px;font-size:16px;font-weight:700;cursor:pointer}
.cform button:active{background:#1a6fd6}

.manage-h{font-size:13px;font-weight:700;color:var(--ink2);text-transform:uppercase;
  letter-spacing:.4px;margin:20px 0 8px}
.manage{display:flex;flex-direction:column;gap:8px}
.mrow{display:flex;flex-wrap:wrap;align-items:center;gap:8px;background:var(--bg);border:1px solid var(--line);
  border-radius:10px;padding:8px 10px}
a.mrow-b{display:flex;align-items:center;text-decoration:none}
.mrow-tx{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:15px}
.mrow form{margin:0}
.mrow-b{background:var(--surface2);border:none;color:var(--ink);border-radius:8px;
  padding:9px 12px;font-size:13px;font-weight:600;cursor:pointer}
.mrow-b.del{color:#ff8a98}
.mrow-b:active{filter:brightness(1.2)}

/* ---- wider screens: let it breathe, more columns ---- */
@media(min-width:700px){
  .topbar,.searchchips,.feed{max-width:980px;margin-left:auto;margin-right:auto}
  .mgrid{grid-template-columns:repeat(auto-fill,minmax(190px,1fr));gap:18px 16px}
  .sheet{left:50%;transform:translate(-50%,100%);max-width:480px;border-radius:18px;
    bottom:auto;top:50%;margin-top:-260px}
  .sheet-toggle:checked ~ .sheet{transform:translate(-50%,0);top:50%;margin-top:-260px}
  .sheet-grip{display:none}
}