:root{--navy:#1F3A5F;--navy2:#2E5C8A;--ink:#1b2430;--muted:#5b6776;--line:#e5e9f0;--bg:#f7f9fc;--card:#fff;--accent:#FFD166;
  --ok-bg:#C6E0B4;--ok-fg:#375623;--thin-bg:#FFE699;--thin-fg:#7F6000;--loss-bg:#F8CBAD;--loss-fg:#9C0006;--vthin-bg:#FFD1A3;--vthin-fg:#9A3F00;--r:14px}
*{box-sizing:border-box}
html,body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.5 -apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif}
a{color:var(--navy2)}
.wrap{max-width:820px;margin:0 auto;padding:16px}
.top{background:var(--navy);color:#fff;display:flex;align-items:center;justify-content:space-between;padding:12px 16px;gap:12px;position:sticky;top:0;z-index:5}
.brand{color:#fff;text-decoration:none;font-weight:800;letter-spacing:.04em;font-size:18px}
.brand span{color:var(--accent)}
.brand small{font-weight:400;letter-spacing:0;opacity:.7;font-size:12px;margin-left:8px}
.top nav{display:flex;gap:4px;overflow-x:auto}
.top nav[hidden]{display:none}
.top nav a{color:#DDE6F0;text-decoration:none;font-size:14px;padding:6px 10px;border-radius:999px;white-space:nowrap}
.top nav a.on{background:rgba(255,255,255,.14);color:#fff}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:20px;margin:0 0 14px}
.card.center{text-align:center}
h1{font-size:24px;margin:0 0 6px;line-height:1.15}
h2{font-size:18px;margin:0 0 10px}
p{margin:0 0 10px}
.muted{color:var(--muted)}
.small{font-size:13px}
label{display:block;font-size:13px;color:var(--muted);margin:10px 0 4px}
input,select{width:100%;font:inherit;padding:12px 14px;border:1px solid var(--line);border-radius:10px;background:#fff;color:var(--ink)}
input:focus,select:focus{outline:2px solid var(--navy2);border-color:transparent}
input.code{font-size:28px;letter-spacing:.35em;text-align:center;font-weight:800}
.btn{display:inline-block;width:100%;padding:14px 18px;border-radius:999px;border:0;font:inherit;font-weight:800;cursor:pointer;text-align:center;text-decoration:none;margin-top:12px}
.btn-primary{background:var(--accent);color:var(--navy)}
.btn-ghost{background:#fff;color:var(--navy);border:1.5px solid var(--line)}
.btn-danger{background:#fff;color:var(--loss-fg);border:1.5px solid var(--loss-bg)}
.btn[disabled]{opacity:.55;cursor:default}
.err{background:#fff2f0;color:var(--loss-fg);border:1px solid var(--loss-bg);border-radius:10px;padding:10px 12px;margin-top:12px;font-size:14px}
.ok{background:#f0f8ec;color:var(--ok-fg);border:1px solid var(--ok-bg);border-radius:10px;padding:10px 12px;margin-top:12px;font-size:14px}
.badge{display:inline-block;padding:4px 10px;border-radius:999px;font-weight:800;font-size:12px}
.badge.active{background:var(--ok-bg);color:var(--ok-fg)}
.badge.off{background:var(--loss-bg);color:var(--loss-fg)}
.tiers{display:grid;gap:10px;margin-top:10px}
.tier{border:1.5px solid var(--line);border-radius:12px;padding:14px;display:flex;justify-content:space-between;align-items:center;gap:10px;text-decoration:none;color:var(--ink)}
.tier.best{border-color:var(--accent);background:#fffbea}
.tier b{font-size:17px}
.tier .p{font-weight:800;color:var(--navy);white-space:nowrap}
.row{display:flex;justify-content:space-between;align-items:center;gap:10px;padding:10px 0;border-bottom:1px solid var(--line)}
.row:last-child{border-bottom:0}
.foot{text-align:center;color:var(--muted);font-size:12px;padding:20px 16px 40px}
.dev{background:#fff8e1;border:1px dashed #e0b400;border-radius:10px;padding:10px;font-size:13px;margin-top:10px}
@media (max-width:480px){.brand small{display:none}}
@media (min-width:640px){.btn{width:auto;min-width:220px}.tiers{grid-template-columns:1fr 1fr 1fr}.tier{flex-direction:column;align-items:flex-start}}
/* tools */
.bar{display:flex;justify-content:space-between;align-items:center;gap:10px;margin:4px 0 12px}
.bar h1{margin:0;font-size:22px}
.btn.sm{padding:10px 16px;font-size:14px;margin-top:0;width:auto}
.acts{display:flex;gap:8px;flex-wrap:wrap;margin-top:12px}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:0 12px}
.grid4{display:grid;grid-template-columns:1fr 1fr;gap:0 12px}
.chk{display:flex;align-items:center;gap:8px;margin-top:12px;font-size:14px;color:var(--ink)}
.chk input{width:auto}
.live{display:grid;grid-template-columns:1fr 1fr;gap:8px 14px;margin-top:14px;padding:12px;border-radius:10px;background:var(--bg)}
.live b{display:block;font-size:17px}
.status{display:inline-block;padding:3px 9px;border-radius:6px;font-weight:800;font-size:12px;white-space:nowrap}
.status.ok{background:var(--ok-bg);color:var(--ok-fg)}.status.thin{background:var(--thin-bg);color:var(--thin-fg)}.status.loss{background:var(--loss-bg);color:var(--loss-fg)}.status.vthin{background:var(--vthin-bg);color:var(--vthin-fg)}.status.chk{background:#e5e9f0;color:#404040}
.tbl{padding:0;overflow-x:auto}
.tbl table{border-collapse:collapse;width:100%;min-width:720px;font-size:14px}
.tbl th,.tbl td{padding:10px 12px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}
.tbl thead th{background:var(--navy2);color:#fff;font-weight:600;font-size:12px;white-space:nowrap}
.tbl td.n,.tbl th.n{text-align:right;font-variant-numeric:tabular-nums;white-space:nowrap}
.tbl tbody tr[data-id]{cursor:pointer}.tbl tbody tr[data-id]:hover{background:#f3f6fa}
.tbl p{padding:8px 12px}
.cf table{min-width:900px}
.cf th{white-space:nowrap;font-weight:600;font-size:13px}
.cf tbody th{text-align:left;background:#fff;position:sticky;left:0;z-index:1}
.cf td input{width:96px;padding:6px 8px;font-size:13px;text-align:right}
.cf tr.sec th{background:#D9E2F3;color:var(--navy);font-weight:800;font-size:12px;letter-spacing:.06em}
.cf tr.b td,.cf tr.b th{font-weight:800;background:#f0f8ec}
.neg{color:var(--loss-fg)}
.row.hi b{color:var(--navy);font-size:17px}
.row.hi{background:#fffbea;margin:0 -20px;padding:10px 20px}
.toast{position:fixed;left:50%;bottom:28px;transform:translateX(-50%);background:var(--navy);color:#fff;padding:10px 18px;border-radius:999px;font-weight:700;font-size:14px;z-index:9}
@media (min-width:640px){.grid4{grid-template-columns:repeat(4,1fr)}.live{grid-template-columns:repeat(4,1fr)}}
/* stage 4 */
textarea{width:100%;font:inherit;padding:12px 14px;border:1px solid var(--line);border-radius:10px;background:#fff;color:var(--ink);resize:vertical}
textarea:focus{outline:2px solid var(--navy2);border-color:transparent}
.out{white-space:pre-wrap;font:inherit;font-size:15px;line-height:1.55;margin:0 0 10px;background:var(--bg);padding:14px;border-radius:10px}
.cmp{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.cmp .k{font-size:12px;letter-spacing:.08em;font-weight:800;color:var(--navy2);margin-bottom:4px}
.cmp .row{padding:7px 0;font-size:14px}
.verdict{margin-top:12px;padding:12px 14px;border-radius:10px;font-weight:700}
.verdict.good{background:#f0f8ec;color:var(--ok-fg)}.verdict.bad{background:#fff2f0;color:var(--loss-fg)}
.items .item{display:grid;grid-template-columns:2fr 1fr 1fr 1.4fr auto;gap:6px;margin-bottom:6px}
.items input{padding:9px 10px;font-size:14px}
.items .x{border:1px solid var(--line);background:#fff;border-radius:8px;width:36px;cursor:pointer;color:var(--loss-fg);font-size:18px}
.grid5{display:grid;grid-template-columns:1fr 1fr;gap:0 12px}
.live b.big{font-size:22px;color:var(--navy)}
.rec{cursor:pointer}.rec:hover{background:#f3f6fa}
@media (max-width:480px){.cmp{grid-template-columns:1fr}.items .item{grid-template-columns:1fr 1fr 1fr 1fr auto}}
@media (min-width:640px){.grid5{grid-template-columns:repeat(5,1fr)}}

/* owner admin: gift access form */
.gift{display:grid;gap:8px;margin:10px 0}
.gift input[type=email],.gift select{width:100%}
.gift label{display:flex;align-items:center;gap:8px}
.gift label input{width:auto;margin:0}
#glist .row{align-items:center;gap:8px}
#glist .row > span:last-child{white-space:nowrap}
.btn.small{padding:4px 10px;font-size:12px}

.help{margin:-4px 0 10px;line-height:1.4}