:root{--bg: #f5f7fa;--bg-soft: #ffffff;--card: #ffffff;--border: #e5e7eb;--border-strong: #d1d5db;--text: #1f2937;--text-2: #6b7280;--primary: #2563eb;--primary-dark: #1d4ed8;--primary-soft: #eff6ff;--danger: #ef4444;--ok: #10b981;--radius: 10px;--shadow: 0 1px 2px rgba(16, 24, 40, .05);--shadow-md: 0 4px 12px rgba(16, 24, 40, .08)}*{box-sizing:border-box;margin:0;padding:0}html,body,#app{height:100%}body{font-family:PingFang SC,Microsoft YaHei,Segoe UI,sans-serif;background:var(--bg);color:var(--text);font-size:14px;-webkit-font-smoothing:antialiased;overflow-x:hidden}a{color:inherit;text-decoration:none}button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit}input,textarea,select{font-family:inherit;font-size:14px;color:var(--text)}.layout{display:flex;min-height:100vh}.sidebar{width:220px;flex-shrink:0;background:var(--bg-soft);border-right:1px solid var(--border);display:flex;flex-direction:column;position:sticky;top:0;height:100vh}.sidebar .brand{display:flex;align-items:center;gap:10px;padding:20px;font-weight:700;font-size:16px;border-bottom:1px solid var(--border)}.sidebar .brand .logo{width:32px;height:32px;border-radius:8px;background:linear-gradient(135deg,var(--primary),var(--primary-dark));color:#fff;display:flex;align-items:center;justify-content:center;font-size:15px}.sidebar nav{flex:1;padding:12px 10px;display:flex;flex-direction:column;gap:2px;overflow-y:auto}.sidebar nav a{display:flex;align-items:center;gap:10px;padding:10px 12px;border-radius:8px;color:var(--text-2);font-size:14px;transition:.15s}.sidebar nav a:hover{background:var(--bg);color:var(--text)}.sidebar nav a.router-link-active{background:var(--primary-soft);color:var(--primary);font-weight:500}.sidebar .foot{padding:14px 16px;border-top:1px solid var(--border)}.user{display:flex;align-items:center;gap:10px}.user .avatar{width:34px;height:34px;border-radius:50%;background:linear-gradient(135deg,var(--primary),var(--primary-dark));color:#fff;display:flex;align-items:center;justify-content:center;font-weight:600;flex-shrink:0}.user .name{font-size:14px;font-weight:500}.logout{display:flex;align-items:center;gap:4px;color:var(--text-2);font-size:12px;margin-top:2px}.logout:hover{color:var(--danger)}.main{flex:1;min-width:0;padding:28px 32px}.page-title{font-size:20px;font-weight:600;margin-bottom:6px}.page-desc{color:var(--text-2);font-size:13px;margin-bottom:20px}.card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);padding:20px;margin-bottom:16px;overflow-x:auto}.card h3{font-size:15px;font-weight:600;margin-bottom:16px}.form-row{margin-bottom:14px}.form-row label{display:block;font-size:13px;color:var(--text-2);margin-bottom:6px}.input,.textarea,.select{width:100%;padding:9px 12px;background:#fff;border:1px solid var(--border-strong);border-radius:8px;color:var(--text);outline:none;transition:border-color .15s,box-shadow .15s}.input:focus,.textarea:focus,.select:focus{border-color:var(--primary);box-shadow:0 0 0 3px #2563eb1f}.textarea{min-height:80px;resize:vertical}.btn{display:inline-flex;align-items:center;gap:6px;padding:9px 18px;border-radius:8px;background:var(--primary);color:#fff;font-size:14px;font-weight:500;white-space:nowrap;flex-shrink:0;transition:background .15s}.btn:hover{background:var(--primary-dark)}.btn:disabled{opacity:.5;cursor:not-allowed}.btn.ghost{background:#fff;border:1px solid var(--border-strong);color:var(--text)}.btn.ghost:hover{background:var(--bg);border-color:var(--border-strong)}.btn.danger{background:#fff;border:1px solid var(--border-strong);color:var(--danger)}.btn.danger:hover{background:#fef2f2;border-color:var(--danger)}.btn.sm{padding:5px 12px;font-size:13px}.muted{color:var(--text-2);font-size:13px}.toast{position:fixed;top:18px;right:18px;z-index:100;padding:12px 18px;border-radius:8px;background:var(--ok);color:#fff;font-size:14px;box-shadow:var(--shadow-md)}.toast.err{background:var(--danger)}.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:14px}.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.row{display:flex;align-items:center;gap:10px}.row.wrap{flex-wrap:wrap}.row.between{justify-content:space-between}table{width:100%;border-collapse:collapse;font-size:14px}th,td{text-align:left;padding:11px 12px;border-bottom:1px solid var(--border)}th{color:var(--text-2);font-weight:500;font-size:13px;background:#fafbfc}tbody tr:hover{background:#f9fafb}.td-actions{white-space:nowrap}.td-actions .row{gap:8px}@media(max-width:1024px){.sidebar{width:64px}.sidebar .brand span:last-child,.sidebar nav a span,.sidebar .foot{display:none}.sidebar .brand{justify-content:center;padding:16px 0}.sidebar nav a{justify-content:center;padding:12px 0}}@media(max-width:768px){.main{padding:16px}.page-title{font-size:18px}.grid-2,.grid-3{grid-template-columns:1fr}}