:root{--ink:#182238;--plum:#684b70;--rose:#a75c71;--sage:#5d8478;--light:#f3eef2;--bg:#f7f5f1;--white:#fff;--gray:#6e7685;--line:#dddde2;--gold:#d99d50;--red:#b4414d;--shadow:0 18px 48px rgba(38,30,47,.11)}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--ink);font-family:Inter,Segoe UI,Arial,sans-serif}.hidden{display:none!important}button{font:inherit;cursor:pointer}header{height:76px;background:#fff;border-bottom:1px solid var(--line);padding:0 clamp(18px,5vw,70px);display:flex;align-items:center;justify-content:space-between;position:sticky;top:0;z-index:20}.brand{display:flex;align-items:center;gap:12px;color:var(--ink);text-decoration:none}.brand>b{width:44px;height:44px;border-radius:13px;background:linear-gradient(145deg,var(--plum),var(--rose));color:#fff;display:grid;place-items:center}.brand span{font-weight:800;display:flex;flex-direction:column}.brand small,.timer small{font-size:9px;letter-spacing:.14em;color:var(--gray)}.timer{text-align:right}.timer strong{font-size:24px;display:block;font-variant-numeric:tabular-nums}.timer.warning strong{color:var(--red)}main{min-height:calc(100vh - 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