:root{color-scheme:dark;--bg:#07111f;--panel:#101d2d;--line:#26384d;--text:#e9f2fb;--muted:#8ea4ba;--bad:#ff5f69}*{box-sizing:border-box}body{margin:0;background:radial-gradient(circle at top,#142c46,var(--bg) 55%);color:var(--text);font-family:Inter,system-ui,sans-serif}main{max-width:1280px;margin:auto;padding:32px 22px}header{display:flex;justify-content:space-between;align-items:end;margin-bottom:24px}h1{font-size:clamp(32px,5vw,60px);margin:4px 0}.eyebrow{color:#5cc8ff;text-transform:uppercase;letter-spacing:.14em}.controls,.chart-card,.card{background:rgba(16,29,45,.9);border:1px solid var(--line);border-radius:18px}.controls{padding:14px;display:flex;flex-wrap:wrap;gap:10px;align-items:end}.periods{display:flex;gap:6px;flex-wrap:wrap}button,input{border:1px solid #38516b;border-radius:10px;background:#14273b;color:var(--text);padding:10px 13px}button{cursor:pointer}button.active,#apply{background:#176b91;border-color:#35bdf6}label{display:grid;gap:4px;color:var(--muted);font-size:13px}.cards{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin:18px 0}.card{padding:18px}.card h2{font-size:15px;color:var(--muted);margin:0 0 12px}.value{font-size:34px;font-weight:700}.average{color:var(--muted);margin-top:8px}.chart-card{padding:18px}.chart-wrap{height:480px}.chart-wrap svg{width:100%;height:100%;overflow:visible}.legend{display:flex;gap:16px;flex-wrap:wrap;margin-bottom:12px}.legend span:before{content:'';display:inline-block;width:10px;height:10px;border-radius:50%;margin-right:7px;background:var(--c)}.grid{stroke:#26384d;stroke-width:1}.axis{fill:#8ea4ba;font-size:13px}.series{fill:none;stroke-width:3;vector-effect:non-scaling-stroke}.bad{fill:var(--bad);stroke:#fff;stroke-width:1}.note{color:var(--muted);font-size:13px}.error{color:#ff9ca2}@media(max-width:850px){.cards{grid-template-columns:repeat(2,1fr)}.chart-wrap{height:360px}}@media(max-width:500px){header{align-items:start;flex-direction:column}.cards{grid-template-columns:1fr}.controls label{width:100%}input{width:100%}}