:root{--bg:#0b1118;--card:#121b25;--line:rgba(200,215,230,.14);--ink:#eef3f7;--muted:#9aa9b8;--accent:#22b8d6;--accent-ink:#06212b;color-scheme:dark}
@media (prefers-color-scheme:light){:root:not([data-theme=dark]){--bg:#f3f5f8;--card:#fff;--line:rgba(11,22,34,.12);--ink:#0b1622;--muted:#5a6676;--accent:#00799a;--accent-ink:#fff;color-scheme:light}}
*{box-sizing:border-box}html,body{margin:0;height:100%;background:var(--bg);color:var(--ink);font:15px/1.45 system-ui,-apple-system,"Segoe UI",sans-serif}
#ch-frame{position:fixed;inset:0;width:100%;height:100%;border:0;background:var(--bg)}
#ch-screen{min-height:100%;display:grid;place-items:center;padding:24px 16px}
.ch-card{width:100%;max-width:420px;background:var(--card);border:1px solid var(--line);border-radius:18px;padding:28px;display:grid;gap:14px;box-shadow:0 20px 60px -30px rgba(0,0,0,.6)}
.ch-brand{display:flex;gap:12px;align-items:center}.ch-brand img{width:48px;height:48px;object-fit:contain}.ch-brand b{display:block;font-size:18px}.ch-brand span{font-size:13px;color:var(--muted)}
.ch-card h1{margin:4px 0 0;font-size:22px}.ch-card p{margin:0;color:var(--muted)}.ch-card p b{color:var(--ink)}
form{display:grid;gap:12px}label{display:grid;gap:6px;font-size:12px;font-weight:600;letter-spacing:.04em;text-transform:uppercase;color:var(--muted)}
input{font:inherit;color:var(--ink);background:transparent;border:1px solid var(--line);border-radius:10px;padding:11px 12px;text-transform:none;letter-spacing:0}
input:focus{outline:2px solid var(--accent);outline-offset:1px}
button{font:inherit;cursor:pointer;border-radius:10px;padding:11px 14px;border:1px solid var(--line);background:transparent;color:var(--ink)}
.ch-pri{background:var(--accent);color:var(--accent-ink);border-color:var(--accent);font-weight:700}.ch-pri:disabled{opacity:.6}
.ch-link{border:0;padding:4px;color:var(--accent);justify-self:start}.ch-msg{min-height:1.4em;font-size:13px}.ch-foot{font-size:12.5px;border-top:1px solid var(--line);padding-top:12px}.ch-foot a{color:var(--accent)}
.ch-load p{text-align:center}
select{font:inherit;color:var(--ink);background:var(--card);border:1px solid var(--line);border-radius:10px;padding:10px 12px;text-transform:none;letter-spacing:0}
.ch-alt{font-weight:600}
#ch-staff-ov{position:fixed;inset:0;z-index:10;background:rgba(0,0,0,.55);display:grid;place-items:start center;overflow:auto;padding:40px 16px}
.ch-wide{max-width:760px;grid-template-columns:minmax(0,1fr)}.ch-wide>*{min-width:0}.ch-grid input,.ch-grid select{width:100%;min-width:0}.ch-row{display:flex;justify-content:space-between;align-items:center;gap:12px}
.ch-grid{grid-template-columns:2fr 1.4fr 1.6fr auto;align-items:end}
@media (max-width:700px){.ch-grid{grid-template-columns:1fr}}
.ch-tbl{width:100%;border-collapse:collapse;font-size:14px}.ch-tbl th{text-align:left;font-size:12px;letter-spacing:.04em;text-transform:uppercase;color:var(--muted);font-weight:600;padding:8px 6px;border-bottom:1px solid var(--line)}
.ch-tbl td{padding:10px 6px;border-bottom:1px solid var(--line);vertical-align:middle}.ch-tbl td span{display:block;color:var(--muted);font-size:12.5px}.ch-tbl select{padding:6px 8px}
#ch-st-l{overflow-x:auto}