:root{--bg:#0f1115;--panel:#171a21;--border:#262b36;--text:#e6e9ef;--muted:#9aa3b2;--accent:#5b8cff}*{box-sizing:border-box}body,html{padding:0;margin:0;background:var(--bg);color:var(--text);font-family:system-ui,-apple-system,Segoe UI,Roboto,PingFang SC,Microsoft YaHei,sans-serif}a{color:inherit;text-decoration:none}.sidebar{width:220px;background:var(--panel);border-right:1px solid var(--border);min-height:100vh;padding:18px 12px;position:fixed;left:0;top:0}.sidebar .logo{font-weight:700;font-size:16px;padding:6px 10px 16px;color:var(--accent)}.nav-item{display:block;padding:10px 12px;border-radius:10px;color:var(--muted);margin-bottom:4px}.nav-item.active,.nav-item:hover{background:#1f2530;color:var(--text)}.nav-item.active{border-left:3px solid var(--accent)}.main{margin-left:220px;padding:28px 32px;max-width:1200px}.card{background:var(--panel);border:1px solid var(--border);border-radius:14px;padding:18px}.btn{border:1px solid var(--border);background:#1f2530;color:var(--text);padding:8px 14px;border-radius:10px;cursor:pointer}.btn:hover{border-color:var(--accent)}.btn.active{font-weight:600}.btn-primary,.btn.active{background:var(--accent);border-color:var(--accent);color:#fff}.btn-danger{background:#3a1f24;border-color:#5a2a30;color:#ff9aa6}.grid{display:grid;gap:16px}.kpi{background:var(--panel);border:1px solid var(--border);border-radius:14px;padding:16px}.kpi .v{font-size:26px;font-weight:700}.kpi .l{color:var(--muted);font-size:13px}.scroll-thin::-webkit-scrollbar{width:8px;height:8px}.scroll-thin::-webkit-scrollbar-thumb{background:var(--border);border-radius:8px}table{width:100%;border-collapse:collapse}td,th{text-align:left;padding:10px 12px;border-bottom:1px solid var(--border);font-size:14px}th{color:var(--muted);font-weight:600}.warn{background:#3a2f12;border:1px solid #6b5418;color:#ffd479;padding:10px 14px;border-radius:10px;margin-bottom:16px}input,select{background:#11141a;border:1px solid var(--border);color:var(--text);padding:8px 10px;border-radius:8px;width:100%}.shimmer{background:linear-gradient(90deg,#1b2028 25%,#222a36 37%,#1b2028 63%);background-size:400% 100%;animation:shimmer 1.2s ease-in-out infinite;border-radius:6px}@keyframes shimmer{0%{background-position:100% 50%}to{background-position:0 50%}}