:root{--bg:#f4f7fb;--panel:#fff;--text:#182230;--muted:#667085;--border:#e4e7ec;--primary:#155eef;--primary2:#004eeb;--danger:#d92d20;--success:#067647;--nav:#101828}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}.topbar{min-height:66px;background:var(--nav);display:flex;align-items:center;padding:0 28px;gap:28px;color:#fff}.brand a{font-weight:800;font-size:20px;color:#fff;text-decoration:none}.topbar nav{display:flex;gap:6px;flex:1}.topbar nav a,.account a{color:#d0d5dd;text-decoration:none}.topbar nav a{padding:10px 12px;border-radius:8px}.topbar nav a:hover,.topbar nav a.active{background:#1d2939;color:#fff}.account{font-size:14px;color:#d0d5dd}.container{max-width:1320px;margin:0 auto;padding:30px}.page-head{display:flex;justify-content:space-between;gap:20px;align-items:center;margin-bottom:22px}h1{margin:0 0 4px;font-size:30px}h2{font-size:18px;margin:0 0 18px}.muted{color:var(--muted);margin:0}.panel,.stat,.auth-card{background:var(--panel);border:1px solid var(--border);border-radius:14px}.panel{padding:22px;margin-bottom:22px}.stats-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-bottom:22px}.stat{padding:22px}.stat span,.stat small{display:block;color:var(--muted)}.stat strong{display:block;font-size:28px;margin:6px 0}.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:22px}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}.full{grid-column:1/-1}label{display:flex;flex-direction:column;gap:6px;font-size:13px;font-weight:650;color:#344054}input,select,textarea{width:100%;border:1px solid #d0d5dd;border-radius:9px;padding:10px 12px;font:inherit;background:#fff;color:#101828}textarea{resize:vertical}.check{flex-direction:row;align-items:center;align-self:end;padding-bottom:10px}.check input{width:auto}.btn{display:inline-flex;align-items:center;justify-content:center;border:0;border-radius:9px;padding:10px 15px;font-weight:700;text-decoration:none;cursor:pointer;background:#e4e7ec;color:#344054}.btn.primary{background:var(--primary);color:#fff}.btn.primary:hover{background:var(--primary2)}.btn.danger{background:var(--danger);color:#fff}.btn:disabled{opacity:.45;cursor:not-allowed}.table-wrap{overflow-x:auto}table{width:100%;border-collapse:collapse;font-size:14px}th,td{text-align:left;padding:12px 10px;border-bottom:1px solid var(--border);vertical-align:top}th{font-size:12px;text-transform:uppercase;letter-spacing:.04em;color:var(--muted)}tfoot th{font-size:14px;color:var(--text)}small{color:var(--muted)}.flash{padding:12px 14px;border-radius:10px;margin-bottom:18px}.flash.success{background:#ecfdf3;color:#067647}.flash.error{background:#fef3f2;color:#b42318}.auth-card{max-width:440px;margin:70px auto;padding:28px}.auth-card form{display:grid;gap:16px;margin-top:22px}.running{display:flex;align-items:center;gap:24px;background:#ecfdf3;border:1px solid #abefc6;padding:16px 20px;border-radius:14px;margin-bottom:22px}.running>div:first-child{display:flex;flex-direction:column;flex:1}.timer-clock{font-size:26px;font-weight:800;font-variant-numeric:tabular-nums}.rank-row{display:flex;justify-content:space-between;padding:13px 0;border-bottom:1px solid var(--border)}.rank-row div{display:flex;flex-direction:column}.filters{display:flex;align-items:end;gap:14px;flex-wrap:wrap}.filters label{min-width:180px}.progress{height:6px;background:#eaecf0;border-radius:999px;overflow:hidden;margin-top:6px}.progress span{display:block;height:100%;background:var(--primary)}.row-running{background:#f0fdf4}@media(max-width:850px){.topbar{align-items:flex-start;flex-direction:column;padding:16px 20px;gap:10px}.topbar nav{flex-wrap:wrap}.account{position:absolute;right:20px;top:18px}.container{padding:20px}.grid-2,.stats-grid,.form-grid{grid-template-columns:1fr}.full{grid-column:auto}.running{align-items:flex-start;flex-wrap:wrap}.page-head{align-items:flex-start}.stat strong{font-size:24px}}