:root{--bg:#0b0f17;--panel:#111827;--panel2:#161f2f;--line:#243044;--text:#f8fafc;--muted:#94a3b8;--blue:#5b7cfa;--cyan:#22d3ee;--red:#ef4444;--green:#22c55e;--yellow:#f59e0b}*{box-sizing:border-box}body{margin:0;background:radial-gradient(circle at top left,#172554 0,#0b0f17 32%,#070a10 100%);font-family:Inter,Arial,sans-serif;color:var(--text)}a{color:inherit;text-decoration:none}.app-shell{display:flex;min-height:100vh}.sidebar{width:270px;background:rgba(17,24,39,.88);backdrop-filter:blur(18px);border-right:1px solid var(--line);padding:24px;position:sticky;top:0;height:100vh}.brand{font-weight:900;font-size:20px;display:flex;align-items:center;gap:10px;letter-spacing:-.02em}.brand-dot{width:15px;height:15px;background:linear-gradient(135deg,var(--blue),var(--cyan));border-radius:50%;box-shadow:0 0 24px var(--blue)}.sidebar nav{display:flex;flex-direction:column;gap:8px;margin-top:34px}.sidebar nav a{padding:13px 14px;border-radius:14px;color:var(--muted);font-weight:700}.sidebar nav a:hover{background:var(--panel2);color:#fff}.danger-link{color:#fca5a5!important}.main{flex:1;min-width:0}.topbar{height:74px;border-bottom:1px solid var(--line);display:flex;justify-content:space-between;align-items:center;padding:0 28px;background:rgba(11,15,23,.7);backdrop-filter:blur(14px);position:sticky;top:0;z-index:5}.topbar span{display:block;color:var(--muted);font-size:13px;margin-top:4px}.content{padding:28px}.page-head{margin-bottom:22px}.page-head h1{font-size:34px;margin:0 0 7px;letter-spacing:-.04em}.page-head p{margin:0;color:var(--muted)}.stats-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;margin-bottom:20px}.stat-card,.card{background:linear-gradient(180deg,rgba(17,24,39,.96),rgba(15,23,42,.96));border:1px solid var(--line);border-radius:24px;box-shadow:0 20px 60px rgba(0,0,0,.22)}.stat-card{padding:22px}.stat-card span{color:var(--muted);font-weight:800;font-size:13px}.stat-card 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nav{display:grid;grid-template-columns:repeat(2,1fr)}.stats-grid,.grid-2,.grid-message{grid-template-columns:1fr}.topbar{position:relative}.filters{flex-direction:column;align-items:stretch}.filters select{max-width:100%}.content{padding:18px}table{display:block;overflow-x:auto}.stats-grid{gap:10px}.page-head h1{font-size:27px}}