:root{color-scheme:dark;--bg:#0a1220;--panel:#121e31;--line:#2b3c54;--text:#f1f5fb;--muted:#a9bcce;--accent:#51dbb1;--dark:#052d27;font-family:Inter,system-ui,sans-serif}
#retention-fields{border:1px solid var(--line);border-radius:8px;margin:0 0 12px;padding:10px}#retention-counts{border:0;padding:0;margin:0;min-width:0}#retention-counts:disabled{opacity:.55}#enable-periods{width:auto}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);line-height:1.45}
[hidden]{display:none!important}header{height:72px;padding:0 clamp(20px,6vw,88px);display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid var(--line);background:#101a2a}
.brand{display:flex;gap:12px;align-items:center;font-size:1.18rem;letter-spacing:.02em}.brand strong{color:var(--accent)}
.mark{display:grid;place-items:center;width:38px;height:38px;background:var(--accent);color:var(--dark);border-radius:11px;font-size:1.55rem;font-weight:900}
main{max-width:1240px;margin:auto;padding:36px clamp(16px,5vw,64px)}h1,h2,p{margin:0 0 12px}h1{font-size:clamp(1.8rem,4vw,2.65rem);letter-spacing:-.045em}h2{font-size:1.16rem}
p,small{color:var(--muted)}.heading,.actions{display:flex;gap:12px;align-items:center;justify-content:space-between;flex-wrap:wrap}.actions{justify-content:flex-start;margin-top:8px}
nav{display:flex;gap:8px;flex-wrap:wrap;margin:16px 0 24px}button,a.button{background:var(--accent);color:var(--dark);border:1px solid transparent;border-radius:8px;padding:9px 14px;font:inherit;font-weight:650;cursor:pointer;text-decoration:none;display:inline-block}
button.secondary,a.button.secondary,nav button{background:#18263a;color:var(--text);border-color:var(--line)}nav button[aria-current=true]{border-color:var(--accent);color:var(--accent)}
button:disabled{opacity:.45;cursor:wait}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.panel,dialog{background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:20px;margin-bottom:18px}.login{max-width:460px;margin:7vh auto}
.summary{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-bottom:18px}.summary div{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:16px}.summary strong{display:block;font-size:1.8rem;color:var(--accent)}
.grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px 16px;margin:10px 0 15px}label{display:grid;gap:5px;font-size:.9rem}input,select{width:100%;padding:9px;background:#0a1320;border:1px solid var(--line);border-radius:7px;color:var(--text);font:inherit}
form>label,form>button{margin:12px 0}dialog{color:var(--text);max-width:680px;width:calc(100% - 32px);max-height:90vh}dialog::backdrop{background:#050b14bf}#notice:empty{display:none}#notice{border:1px solid var(--line);border-left:4px solid var(--accent);padding:10px;margin-bottom:16px}#notice.error{border-left-color:#ff8d8d}
table{width:100%;border-collapse:collapse}td,th{text-align:left;padding:10px 7px;border-bottom:1px solid var(--line);vertical-align:top}th{color:var(--muted);font-size:.84rem}td button,td a.button{padding:5px 9px;margin:2px 3px;font-size:.82rem}.scroll{overflow-x:auto}code,pre{background:#0a1320;padding:8px;overflow:auto;display:block;white-space:pre-wrap;overflow-wrap:anywhere}
@media(max-width:560px){main{padding-top:20px}.grid,.summary{grid-template-columns:1fr}.panel{padding:14px}}