:root{--bg:#f5f7f8;--panel:#fff;--text:#1d252b;--muted:#70808b;--line:#dfe6e9;--accent:#00a88f;--accent-dark:#008875;--danger:#d84d57;--shadow:0 8px 30px rgba(30,47,57,.08)}*{box-sizing:border-box}body{margin:0;font:14px/1.45 Inter,Segoe UI,Arial,sans-serif;color:var(--text);background:var(--bg)}button,input,select{font:inherit}.topbar{height:64px;background:#17252d;color:#fff;display:flex;align-items:center;justify-content:space-between;padding:0 28px;position:sticky;top:0;z-index:5}.topbar>div{display:flex;align-items:center;gap:12px}.top-actions{color:#b9c6cc}.brand-mark{display:grid;place-items:center;width:52px;height:52px;border-radius:15px;background:linear-gradient(135deg,#00c4a5,#008f7a);color:#fff;font-size:25px;font-weight:800;box-shadow:0 10px 25px #00a88f40}.brand-mark.small{width:32px;height:32px;border-radius:9px;font-size:16px;box-shadow:none}.layout{display:grid;grid-template-columns:240px 1fr;min-height:calc(100vh - 64px)}aside{background:#fff;border-right:1px solid 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