:root{--ink:#17181C;--muted:#6B6F78;--line:#E4E2DC;--bg:#F5F4F0;--panel:#fff;--accent:#1F2A44;--accent-2:#F2B544;--ok:#1E7A4C;--bad:#B42318}
*{box-sizing:border-box}
body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;background:var(--bg);color:var(--ink);font-size:15px;line-height:1.45}
button,input,select,textarea{font:inherit}
.brand{font-weight:800;font-size:18px;letter-spacing:-.01em}
.brand::first-letter{color:var(--accent-2)}
/* auth */
.auth{display:grid;place-items:center;min-height:100vh;padding:16px}
.auth-box{width:100%;max-width:380px;background:var(--panel);border-radius:16px;padding:24px;box-shadow:0 8px 30px rgba(0,0,0,.06)}
.auth .brand{margin-bottom:16px}
.signup-only{display:none}.signing-up .signup-only{display:block}
.tabs{display:flex;gap:4px;background:var(--bg);padding:4px;border-radius:10px;margin-bottom:16px}
.tab{flex:1;border:0;background:none;padding:8px;border-radius:8px;cursor:pointer;color:var(--muted);font-weight:600}
.tab.on{background:#fff;color:var(--ink);box-shadow:0 1px 2px rgba(0,0,0,.08)}
/* layout */
header.top{position:sticky;top:0;z-index:5;background:var(--accent);color:#fff;padding:12px 16px;display:flex;align-items:center;gap:12px}
header.top .biz{opacity:.75;font-size:13px}
header.top .sp{flex:1}
header.top button{background:rgba(255,255,255,.12);color:#fff;border:0;border-radius:8px;padding:6px 10px;cursor:pointer}
nav.main{display:flex;gap:2px;overflow-x:auto;background:var(--panel);border-bottom:1px solid var(--line);padding:0 8px;position:sticky;top:48px;z-index:4}
nav.main button{border:0;background:none;padding:12px 12px;cursor:pointer;color:var(--muted);font-weight:600;border-bottom:2px solid transparent;white-space:nowrap}
nav.main button.on{color:var(--ink);border-color:var(--accent-2)}
main.view{max-width:980px;margin:0 auto;padding:16px}
.panel{background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:16px;margin-bottom:16px}
.panel h2{font-size:17px;margin:0 0 4px}
.panel h3{font-size:15px;margin:16px 0 8px}
.muted{color:var(--muted)}.small{font-size:13px}
.row{display:flex;gap:10px;flex-wrap:wrap;align-items:center}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:16px}
@media(max-width:760px){.grid2{grid-template-columns:1fr}}
label{display:block;font-size:13px;font-weight:600;margin:0 0 12px;color:#333}
input,select,textarea{display:block;width:100%;margin-top:5px;padding:10px 11px;border:1px solid var(--line);border-radius:9px;background:#FBFBF9;font-size:15px}
input[type=color]{padding:2px;height:40px}
input[type=checkbox]{display:inline;width:auto;margin:0 6px 0 0}
textarea{min-height:90px;resize:vertical}
.inline{display:flex;align-items:center;font-weight:500}
.btn{border:1px solid var(--line);background:#fff;color:var(--ink);padding:9px 14px;border-radius:9px;cursor:pointer;font-weight:600;text-decoration:none;display:inline-block}
.btn.primary{background:var(--accent);color:#fff;border-color:var(--accent)}
.btn.gold{background:var(--accent-2);border-color:var(--accent-2);color:#1b1b1b}
.btn.big{padding:16px 22px;font-size:18px;border-radius:12px}
.btn.wide{width:100%}
.btn:disabled{opacity:.5;cursor:default}
.err{background:#FDECEC;color:var(--bad);padding:9px 11px;border-radius:8px;font-size:14px;margin:0 0 12px}
.okmsg{background:#E7F5EE;color:var(--ok);padding:9px 11px;border-radius:8px;font-size:14px}
.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(120px,1fr));gap:10px;margin:12px 0}
.stat{background:var(--bg);border-radius:10px;padding:10px 12px}
.stat b{display:block;font-size:22px}
.stat span{font-size:12px;color:var(--muted)}
table{width:100%;border-collapse:collapse;font-size:14px}
th,td{text-align:left;padding:9px 8px;border-bottom:1px solid var(--line);vertical-align:top}
th{font-size:12px;text-transform:uppercase;letter-spacing:.04em;color:var(--muted);font-weight:600}
.tablewrap{overflow-x:auto}
.pill{display:inline-block;font-size:12px;padding:2px 8px;border-radius:99px;background:var(--bg);color:var(--muted)}
.pill.ok{background:#E7F5EE;color:var(--ok)}.pill.off{background:#FDECEC;color:var(--bad)}
code,.mono{font-family:ui-monospace,Menlo,monospace;font-size:13px}
code.block{display:block;background:#15171c;color:#e7e7e7;padding:12px;border-radius:9px;overflow-x:auto;white-space:pre}
/* preview */
.preview{border-radius:16px;padding:14px;color:#fff;box-shadow:0 10px 24px rgba(0,0,0,.15);max-width:360px}
.preview .ptop{display:flex;align-items:center;gap:10px;font-weight:700}
.preview .ptop img{width:36px;height:36px;border-radius:8px;object-fit:contain}
.preview .pc{margin-left:auto;font-size:20px}
.preview .strip{width:100%;border-radius:8px;margin:12px 0 8px;display:block}
.preview .pfoot{font-size:13px;opacity:.85}
/* stamp screen */
.scanner{max-width:420px;margin:0 auto}
#reader{border-radius:12px;overflow:hidden;background:#000;min-height:40px}
#reader video{border-radius:12px}
.cardhit{text-align:center;padding:20px}
.cardhit .who{font-size:20px;font-weight:700}
.bigcount{font-size:52px;font-weight:800;line-height:1;margin:10px 0}
.dots{display:flex;flex-wrap:wrap;gap:6px;justify-content:center;margin:10px 0}
.dots i{width:22px;height:22px;border-radius:50%;border:2px dashed #bbb}
.dots i.on{background:var(--accent-2);border:none}
.banner{padding:14px;border-radius:12px;font-weight:700;font-size:17px;text-align:center;margin:10px 0}
.banner.win{background:var(--accent-2)}
.qrbox{text-align:center}.qrbox img{width:180px;border:1px solid var(--line);border-radius:10px}
.loc{display:grid;grid-template-columns:1fr 1fr 2fr auto;gap:6px;margin-bottom:6px}
.loc input{margin:0}
.hidden{display:none!important}
/* in-page dialog */
.modal-bg{position:fixed;inset:0;z-index:50;background:rgba(15,17,22,.45);display:grid;place-items:center;padding:16px}
.modal{background:#fff;border-radius:14px;padding:20px;width:100%;max-width:400px;box-shadow:0 20px 50px rgba(0,0,0,.25)}
.modal h2{font-size:17px;margin:0 0 8px}
.mtext{color:#444;margin:0 0 14px;white-space:pre-wrap}
.mbtns{justify-content:flex-end;margin-top:4px}
.btn.danger{background:var(--bad);border-color:var(--bad);color:#fff}
.modal.wide{max-width:640px;max-height:90vh;overflow:auto}
.stat.hl{background:#FDF3DC}
.pill.gold{background:#FDF3DC;color:#8A5A00;font-weight:600}
td.acts{white-space:nowrap;text-align:right}
td.acts .btn{margin-left:4px}
.btn:disabled{opacity:.45;cursor:not-allowed}
.btn.danger-outline{color:var(--bad);border-color:#F2C4C0}
.btn.danger-outline:hover{background:#FDECEC}
.danger-zone{margin-top:28px;padding-top:14px;border-top:1px solid var(--line)}