:root{--bg:#f5f7fb;--panel:#fff;--ink:#182230;--muted:#667085;--line:#e7eaf0;--accent:#4f46e5;--accent2:#7c3aed;--danger:#c62828;--success:#0f766e;--shadow:0 12px 35px rgba(16,24,40,.07)}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Arial;background:var(--bg);color:var(--ink)}.app-shell{display:grid;grid-template-columns:260px 1fr;min-height:100vh}.sidebar{position:sticky;top:0;height:100vh;padding:26px 18px;background:#111827;color:#fff}.brand{display:flex;align-items:center;gap:12px;margin-bottom:35px}.brand-mark{display:grid;place-items:center;width:42px;height:42px;border-radius:13px;background:linear-gradient(135deg,#818cf8,#a78bfa);font-weight:800}.brand strong{display:block;font-size:17px}.brand span{display:block;font-size:11px;color:#9ca3af;margin-top:2px}.sidebar nav{display:grid;gap:7px}.sidebar nav a{color:#cbd5e1;text-decoration:none;padding:11px 12px;border-radius:10px;font-size:14px}.sidebar nav a:hover,.sidebar nav a.active{background:#ffffff14;color:#fff}.side-note{position:absolute;left:18px;right:18px;bottom:24px;padding:14px;border:1px solid #ffffff18;border-radius:12px;background:#ffffff0b;color:#cbd5e1;font-size:12px;line-height:1.6}.main{padding:30px 36px 50px;max-width:1600px;width:100%;margin:auto}.topbar{display:flex;justify-content:space-between;gap:20px;align-items:center;margin-bottom:20px}.topbar h1{margin:0 0 6px;font-size:28px}.topbar p{margin:0;color:var(--muted)}.status-dot{background:#e7f8f2;color:#08765b;padding:8px 12px;border-radius:999px;font-size:12px}.alert{padding:13px 16px;border-radius:10px;margin-bottom:16px}.alert.success{background:#eafaf5;color:#0f766e}.alert.error{background:#fff0f0;color:#b42318}.cards{display:grid;grid-template-columns:repeat(4,1fr);gap:15px;margin-bottom:18px}.metric{background:var(--panel);padding:20px;border-radius:16px;box-shadow:var(--shadow);border:1px solid 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#edf0f4;text-align:left;white-space:nowrap}th{position:sticky;top:0;background:#f8fafc;z-index:1}.empty{text-align:center;padding:40px;color:var(--muted)}.export-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:10px}.format-btn{border:1px solid var(--line);background:#fff;border-radius:12px;padding:14px 10px;cursor:pointer;text-align:left}.format-btn:hover{border-color:#a5b4fc;background:#fafaff}.format-btn b,.format-btn small{display:block}.format-btn small{margin-top:4px;color:var(--muted)}.history-list{display:grid;gap:8px;margin-bottom:14px}.history-list>div{display:grid;grid-template-columns:160px 1fr auto;gap:10px;padding:10px 12px;border-radius:10px;background:#f8fafc;font-size:12px}.history-list span,.history-list 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