:root{--bg:#f3f6f8;--card:#fff;--text:#17212b;--muted:#667786;--line:#dfe7eb;--blue:#1267a8;--blue2:#0b4e83;--green:#168452;--amber:#b56d00;--red:#b42318;--shadow:0 8px 28px rgba(29,50,66,.07)}
*{box-sizing:border-box}body{margin:0;font-family:Inter,system-ui,-apple-system,Segoe UI,Arial,sans-serif;background:var(--bg);color:var(--text)}a{color:var(--blue)}
.topbar{height:64px;background:#fff;border-bottom:1px solid var(--line);display:flex;align-items:center;padding:0 24px;gap:28px;position:sticky;top:0;z-index:10}.brand{display:flex;align-items:center;gap:7px;min-width:155px}.brand strong{font-size:21px;letter-spacing:.5px}.brand .drop{color:var(--blue);font-size:16px}.brand span:last-child{color:var(--muted);font-size:13px}
nav{display:flex;gap:6px;flex:1}nav a{padding:9px 12px;text-decoration:none;color:#4d5e6c;border-radius:9px;font-size:14px}nav a:hover,nav a.active{background:#eaf3f9;color:var(--blue2)}.logout{text-decoration:none;color:#647480;font-size:14px}
.container{max-width:1220px;margin:0 auto;padding:26px 18px 60px}.hero{display:flex;justify-content:space-between;gap:18px;align-items:flex-end;margin-bottom:20px}.hero h1{margin:0;font-size:27px}.hero p{margin:5px 0 0;color:var(--muted)}.status{display:inline-flex;align-items:center;gap:7px;padding:7px 10px;border-radius:20px;background:#e8f7ef;color:var(--green);font-size:13px;font-weight:650}.dot{width:8px;height:8px;border-radius:50%;background:currentColor}
.grid{display:grid;gap:14px}.cards{grid-template-columns:repeat(4,1fr);margin-bottom:16px}.card{background:var(--card);border:1px solid var(--line);border-radius:15px;padding:17px;box-shadow:var(--shadow)}.card .label{color:var(--muted);font-size:12px;text-transform:uppercase;letter-spacing:.04em}.card .value{font-size:27px;font-weight:730;margin-top:8px}.card .sub{font-size:12px;color:var(--muted);margin-top:5px}.good{color:var(--green)}.warn{color:var(--amber)}.bad{color:var(--red)}
.two{grid-template-columns:2fr 1fr;margin-bottom:16px}.chart-card{min-height:330px}.chart-head{display:flex;justify-content:space-between;align-items:flex-start;gap:10px;margin-bottom:12px}.chart-head h2,.section-title{font-size:17px;margin:0}.chart-head p{font-size:12px;color:var(--muted);margin:4px 0 0}.chart-wrap{height:250px}.chart-wrap canvas{width:100%;height:100%}
.range{display:flex;gap:5px}.range a{text-decoration:none;color:var(--muted);padding:6px 9px;border-radius:8px;font-size:12px;border:1px solid var(--line)}.range a.active{background:var(--blue);color:#fff;border-color:var(--blue)}
.progress{height:10px;border-radius:8px;background:#e9eef1;overflow:hidden;margin:12px 0 8px}.progress>span{display:block;height:100%;background:var(--blue);border-radius:inherit}.usage-big{font-size:24px;font-weight:720}.usage-meta{display:flex;justify-content:space-between;color:var(--muted);font-size:12px}
table{width:100%;border-collapse:collapse}.table-card{padding:0;overflow:hidden}.table-head{padding:16px 17px;border-bottom:1px solid var(--line);display:flex;justify-content:space-between;align-items:center}.scroll{overflow:auto}th,td{padding:11px 13px;border-bottom:1px solid #edf1f3;text-align:left;font-size:13px;white-space:nowrap}th{background:#f8fafb;color:#62717d;font-weight:650}
.form-card{max-width:900px}.form-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:15px}.field label{display:block;font-size:13px;font-weight:650;margin-bottom:6px}.field small{color:var(--muted);display:block;margin-top:5px}.field input,.field select{width:100%;padding:10px 11px;border:1px solid #cfdbe1;border-radius:9px;background:#fff;font:inherit}.switches{display:grid;grid-template-columns:repeat(3,1fr);gap:9px}.switch{display:flex;gap:9px;align-items:center;border:1px solid var(--line);padding:11px;border-radius:10px;background:#fafcfd}.switch input{width:18px;height:18px}.actions{margin-top:18px;display:flex;gap:10px}.btn{border:0;border-radius:9px;padding:10px 15px;font-weight:650;cursor:pointer;text-decoration:none;display:inline-block;background:var(--blue);color:white}.btn.secondary{background:#eef3f6;color:#334652}.btn.danger{background:#fff1f0;color:var(--red);border:1px solid #ffd6d2}.notice{border-radius:10px;padding:11px 13px;margin-bottom:15px;background:#eaf7ef;color:#17643e}.notice.warn{background:#fff6df;color:#805400}.formula{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;background:#f2f6f8;padding:12px;border-radius:9px;margin:10px 0}.coords{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:13px}
.login-page{min-height:100vh;display:grid;place-items:center;padding:20px}.login-card{width:min(420px,100%);background:#fff;border:1px solid var(--line);border-radius:18px;padding:28px;box-shadow:var(--shadow)}.login-card h1{margin:0 0 4px}.login-card p{color:var(--muted);margin:0 0 20px}.login-card input{width:100%;padding:11px;border:1px solid var(--line);border-radius:9px;margin:6px 0 13px}
@media(max-width:900px){.cards{grid-template-columns:repeat(2,1fr)}.two{grid-template-columns:1fr}.switches{grid-template-columns:repeat(2,1fr)}nav{overflow:auto}.topbar{padding:0 12px;gap:10px}.brand{min-width:auto}.logout{display:none}}
@media(max-width:600px){.cards,.form-grid,.switches{grid-template-columns:1fr}.hero{align-items:flex-start;flex-direction:column}.container{padding:18px 11px 45px}.topbar{height:auto;min-height:58px;flex-wrap:wrap;padding:8px 10px}.brand{width:100%}nav{order:3;width:100%;padding-bottom:3px}.card{border-radius:12px}.chart-wrap{height:220px}}