:root{--bg:#f3f5f8;--card:#fff;--text:#1d2733;--muted:#687384;--line:#dfe4ea;--primary:#2563eb;--danger:#dc2626}*{box-sizing:border-box}body{margin:0;font-family:Arial,Helvetica,sans-serif;background:var(--bg);color:var(--text)}a{color:var(--primary);text-decoration:none}.topbar{height:68px;background:#111827;color:#fff;display:flex;align-items:center;justify-content:space-between;padding:0 28px;gap:25px}.brand{color:#fff;font-size:19px;font-weight:700}.brand small{font-size:10px;color:#9ca3af;margin-left:5px}.topbar nav{display:flex;gap:18px;flex-wrap:wrap}.topbar nav a{color:#dbe3ef;font-size:14px}.container{max-width:1280px;margin:auto;padding:28px}.page-head{display:flex;justify-content:space-between;align-items:center;gap:20px;margin-bottom:22px}.page-head h1{margin:0 0 6px;font-size:28px}.page-head p{margin:0;color:var(--muted)}.toolbar,.form-actions{display:flex;gap:10px;flex-wrap:wrap}.btn{border:1px solid var(--line);background:#fff;color:var(--text);padding:10px 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