:root{color-scheme:light;--bg:#f6f7f9;--panel:#ffffff;--panel-muted:#f0f3f6;--input-bg:#ffffff;--text:#17202a;--muted:#687385;--line:#dce2e8;--strong-line:#b8c3cf;--accent:#146c63;--accent-strong:#0d514b;--danger:#b42318;--danger-bg:#fff0ed;--danger-line:#f1b8b2;--ok:#16794c;--warn:#9a6700;--ok-bg:#e8f7ef;--warn-bg:#fff7df;--secret-bg:#eaf7f5;--secret-text:#0d514b;--secret-line:#b6ded7;--focus-ring:rgba(20,108,99,0.12);--shadow:0 18px 45px rgba(32,42,54,0.08)}[data-theme=dark]{color-scheme:dark;--bg:#0f1318;--panel:#171d24;--panel-muted:#202832;--input-bg:#111820;--text:#edf2f7;--muted:#9aa6b5;--line:#2a3440;--strong-line:#465363;--accent:#42b8a8;--accent-strong:#68cdbf;--danger:#ff8d83;--danger-bg:#351b1d;--danger-line:#743233;--ok:#60d394;--warn:#f5c65b;--ok-bg:#143324;--warn-bg:#332a13;--secret-bg:#102b28;--secret-text:#96e4d8;--secret-line:#2f695f;--focus-ring:rgba(66,184,168,0.2);--shadow:0 18px 45px rgba(0,0,0,0.22)}*{box-sizing:border-box}body,html{margin:0;min-height:100%;background:var(--bg);color:var(--text);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}button,input,select,textarea{font:inherit}button{border:1px solid var(--strong-line);background:var(--panel);color:var(--text);cursor:pointer}button:disabled{cursor:not-allowed;opacity:.55}input,select,textarea{width:100%;min-width:0;border:1px solid var(--line);border-radius:6px;background:var(--input-bg);color:var(--text);padding:10px 11px;outline:none}input:focus,select:focus,textarea:focus{border-color:var(--accent);box-shadow:0 0 0 3px var(--focus-ring)}label{display:grid;gap:6px;color:var(--muted);font-size:12px;font-weight:650}table{width:100%;border-collapse:collapse}td,th{border-bottom:1px solid var(--line);padding:10px 8px;text-align:left;vertical-align:top}th{color:var(--muted);font-size:12px;font-weight:700}td{font-size:13px}code{border:1px solid var(--line);border-radius:6px;background:var(--panel-muted);padding:2px 6px}.admin-shell{min-height:100vh;padding:28px}.admin-header{display:flex;align-items:flex-start;justify-content:space-between;gap:20px;margin:0 auto 22px;max-width:1420px}.admin-title h1{margin:0;font-size:24px;line-height:1.2}.admin-title p{margin:6px 0 0;color:var(--muted);font-size:13px}.header-actions{display:flex;gap:10px}.dashboard-grid{grid-template-columns:minmax(320px,400px) minmax(0,1fr);margin:0 auto;max-width:1420px}.dashboard-grid,.stack,.usage-layout{display:grid;gap:18px;min-width:0}.usage-layout{margin:0 auto;max-width:1420px}.panel{min-width:0;border:1px solid var(--line);border-radius:8px;background:var(--panel);box-shadow:var(--shadow)}.panel-header{display:flex;align-items:center;justify-content:space-between;gap:14px;border-bottom:1px solid var(--line);padding:15px 16px}.panel-header 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10px}.usage-bar-wrap{overflow:hidden;height:12px;border-radius:999px;background:var(--panel-muted)}.usage-bar{width:var(--usage-bar-width);height:100%;min-height:0;border-radius:inherit;background:var(--accent)}.usage-day-date,.usage-day-meta,.usage-day-share,.usage-day-stats{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.usage-day-date,.usage-day-stats{display:grid;gap:2px}.usage-day-date strong,.usage-day-stats strong{font-size:13px;line-height:1.1;font-weight:750}.usage-day-date span,.usage-day-meta,.usage-day-share,.usage-day-stats span{color:var(--muted);font-size:11px;font-weight:650}.usage-day-meta,.usage-day-share{text-align:right}.usage-overview{display:grid;gap:14px}.usage-overview-grid{display:grid;grid-template-columns:repeat(4,minmax(110px,1fr));gap:10px}.usage-overview-item{min-width:0;border:1px solid var(--line);border-radius:6px;padding:10px}.usage-overview-item small,.usage-overview-item 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