:root{--bg: #f6f7fb;--card: #ffffff;--text: #0f172a;--muted: #64748b;--border: #e2e8f0;--brand: #2563eb;--brand-weak: rgba(37,99,235,.08);--danger: #dc2626}*{box-sizing:border-box}body{margin:0;font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Arial,Noto Sans,"Apple Color Emoji","Segoe UI Emoji";color:var(--text);background:var(--bg)}a{color:inherit;text-decoration:none}h1,h2,h3{margin-top:0;line-height:1.25}h2{font-size:20px}h3{font-size:16px}button,input,select{font:inherit}input,select{border:1px solid var(--border);border-radius:10px;padding:10px 12px;background:var(--card)}button{border:1px solid var(--border);border-radius:10px;padding:10px 12px;background:var(--card);cursor:pointer;transition:background-color .12s,border-color .12s,opacity .12s}button:hover:not(:disabled){background:#0f172a08}button:disabled{opacity:.5;cursor:not-allowed}button.btn-primary{background:var(--brand);border-color:var(--brand);color:#fff;font-weight:600}button.btn-primary:hover:not(:disabled){background:#1d4ed8;border-color:#1d4ed8}button.btn-danger{background:#fff;border-color:var(--danger);color:var(--danger)}button.btn-danger:hover:not(:disabled){background:#dc26260f}label{display:block;font-size:12px;color:var(--muted);margin-bottom:6px}.hint{font-size:12px;color:var(--muted)}.badge{font-size:12px;padding:4px 10px;border-radius:999px;background:var(--brand-weak);border:1px solid rgba(37,99,235,.2);color:var(--brand)}.card{background:var(--card);border:1px solid var(--border);border-radius:16px;padding:14px}.table{width:100%;border-collapse:collapse}.table th,.table td{text-align:left;padding:10px;border-bottom:1px solid var(--border)}.table th{color:var(--muted);font-weight:600;font-size:12px}.right{text-align:right}.shell{display:grid;grid-template-columns:260px 1fr;min-height:100vh}.sidebar{background:var(--card);border-right:1px solid var(--border);padding:14px;display:flex;flex-direction:column;height:100%}.sidebar-nav-scroll{flex:1;overflow-y:auto}.sidebar-profile{position:relative;margin-top:14px;padding-top:14px;border-top:1px solid var(--border)}.sidebar-profile-btn{display:flex;align-items:center;gap:10px;width:100%;padding:10px;border-radius:12px;border:1px solid transparent;background:transparent;cursor:pointer;text-align:left}.sidebar-profile-btn:hover{background:#0f172a08}.sidebar-profile-avatar{width:30px;height:30px;border-radius:999px;background:var(--brand-weak);color:var(--brand);display:flex;align-items:center;justify-content:center;font-weight:700;font-size:13px;flex-shrink:0}.sidebar-profile-menu{position:absolute;bottom:calc(100% + 6px);left:0;right:0;background:var(--card);border:1px solid var(--border);border-radius:12px;box-shadow:0 8px 24px #0f172a1f;overflow:hidden;z-index:30}.sidebar-profile-menu button{display:block;width:100%;padding:10px 12px;border:none;background:transparent;text-align:left;cursor:pointer;border-radius:0}.sidebar-profile-menu button:hover{background:#0f172a08}.sidebar .brand{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:14px}.sidebar .brand-left{display:flex;align-items:center;gap:10px}.sidebar .brand-title{font-weight:800;letter-spacing:.2px}.sidebar .nav-group-title{margin:14px 0 8px;font-size:12px;color:var(--muted)}.nav-item{display:flex;align-items:center;gap:10px;padding:10px;border-radius:12px;color:var(--text);border:1px solid transparent}.nav-item:hover{background:#0f172a08}.nav-item.active{background:var(--brand-weak);border-color:#2563eb40;color:var(--brand)}.nav-item .dot{width:8px;height:8px;border-radius:99px;background:var(--muted)}.nav-item.active .dot{background:var(--brand)}.content{display:flex;flex-direction:column;min-width:0}.topbar{display:flex;align-items:center;justify-content:space-between;gap:14px;padding:12px 16px;border-bottom:1px solid var(--border);background:#ffffffa6;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);position:sticky;top:0;z-index:10}.topbar .left{display:flex;align-items:center;gap:10px;min-width:0}.topbar .title{font-weight:800;white-space:nowrap}.topbar .right{display:flex;align-items:center;gap:10px}.page{padding:16px}.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:12px}@media (max-width: 980px){.shell{grid-template-columns:1fr}.sidebar{position:sticky;top:0;z-index:20}}