:root{--blue:#0a2a9e;--deep:#061a66;--sky:#e8eeff;--ink:#0c1230;--mute:#5b6490;--gold:#ffc83d;--line:#d9e0f7;--bad:#c0262d;--bg:#f4f6ff;--card:#fff}
@media(prefers-color-scheme:dark){:root{--bg:#070d2b;--card:#0e1745;--ink:#eef1ff;--mute:#9aa6d8;--line:#1f2c6b;--sky:#16225c}}
*{box-sizing:border-box}
body{margin:0;padding-bottom:84px;font:400 16px/1.5 "Plus Jakarta Sans",system-ui,sans-serif;background:var(--bg);color:var(--ink)}
button,input,select{font:inherit}
h1,h2,h3{margin:0;line-height:1.15}
main{max-width:880px;margin:0 auto;padding:20px}
section{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:20px;margin-top:20px}
h2{font-size:20px;margin-bottom:12px}

/* header and tiles */
.hd{display:flex;align-items:center;gap:12px;margin-bottom:16px}
.hd div:nth-child(2){flex:1}
.hd small,.tile small{color:var(--mute);display:block;font-size:13px}
.av{width:44px;height:44px;border-radius:50%;background:var(--blue);color:#fff;display:grid;place-items:center;font-weight:800}
.ghost{background:none;border:1px solid var(--line);color:var(--mute);border-radius:8px;padding:6px 10px;cursor:pointer}
.tiles{display:grid;grid-template-columns:1.2fr 1fr;gap:12px}
.tile{background:var(--card);border:1px solid var(--line);border-radius:20px;padding:18px}
.tile b{font-size:32px;font-weight:800;line-height:1.1;display:block}
.tile.blue{background:var(--blue);color:#fff;border:0}
.tile.blue small{color:#ffffffcc}
.pair{display:flex;gap:24px}
.pair b{color:#b57d00}
.bar{height:8px;background:#ffffff33;border-radius:8px;margin-top:6px;overflow:hidden;width:100%}
.bar i{display:block;height:100%;background:var(--gold)}

/* leaderboard rows */
.row{display:flex;align-items:center;gap:12px;padding:10px 12px;border-radius:10px}
.row.me{background:var(--sky);font-weight:600}
.row .n{width:28px;color:var(--mute);font-weight:600}
.row .g{margin-left:auto;display:flex;gap:16px}
.row .c{color:#b57d00;font-weight:600}

/* forms and buttons */
form{display:grid;gap:10px}
.two{display:grid;grid-template-columns:1fr 1fr;gap:10px}
input,select{padding:11px 12px;border:1px solid var(--line);border-radius:10px;background:var(--card);color:var(--ink);width:100%}
input:focus-visible,select:focus-visible,button:focus-visible{outline:3px solid var(--gold);outline-offset:1px}
.btn{background:var(--blue);color:#fff;border:0;border-radius:10px;padding:12px 16px;font-weight:600;cursor:pointer}
.btn:disabled{opacity:.45;cursor:not-allowed}
.msg{color:var(--bad);min-height:1.4em;font-size:14px}
.ok{color:#18794e}

/* login */
.login{max-width:380px;margin:12vh auto;padding:0 20px}
.login h1{font-size:34px;color:var(--blue);margin-bottom:6px}
.login p{color:var(--mute);margin:0 0 20px}
@media(prefers-color-scheme:dark){.login h1{color:#fff}}

/* bottom navigation */
nav{position:fixed;left:0;right:0;bottom:0;background:var(--card);border-top:1px solid var(--line);display:flex;justify-content:center;gap:8px;padding:8px 8px calc(8px + env(safe-area-inset-bottom,0px))}
nav button{flex:1;max-width:160px;background:none;border:0;border-radius:12px;padding:10px;color:var(--mute);font-weight:600;cursor:pointer}
nav button.on{background:var(--sky);color:var(--blue)}
@media(prefers-color-scheme:dark){nav button.on{color:#fff}}

/* shop */
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(160px,1fr));gap:12px}
.prod{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:12px;display:flex;flex-direction:column;gap:6px}
.ph{aspect-ratio:1.3;border-radius:12px;background:var(--sky);display:grid;place-items:center;font:800 32px "Plus Jakarta Sans";color:var(--blue)}
.prod small,.ev small{color:var(--mute)}
.price{font-weight:800;color:#b57d00}
.prod .btn,.ev .btn{padding:9px;margin-top:auto}
.chips,.seg{display:flex;gap:8px;flex-wrap:wrap;margin:0 0 14px}
.chips button,.seg button{border:1px solid var(--line);background:var(--card);color:var(--ink);border-radius:999px;padding:7px 14px;cursor:pointer}
.chips .on,.seg .on{background:var(--gold);border-color:var(--gold);color:#241a00;font-weight:600}

/* events */
.ev{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:16px;margin-bottom:12px;display:grid;gap:4px}
.ev h3{font-size:18px}

@media(max-width:520px){.two,.tiles{grid-template-columns:1fr}}
@media(prefers-reduced-motion:no-preference){.bar i{transition:width .8s ease}}

textarea{padding:11px 12px;border:1px solid var(--line);border-radius:10px;background:var(--card);color:var(--ink);width:100%;resize:vertical}
.bar.hw{background:var(--sky);width:100%;margin:6px 0 10px}
.opt{display:flex;gap:10px;align-items:center;padding:6px 0}.opt input{width:auto}

main{padding-top:calc(20px + env(safe-area-inset-top,0px))}