:root{--bg:#f3f6fb;--card:#fff;--text:#172033;--muted:#6c7891;--line:#e4e9f2;--primary:#2878ff;--green:#16a36a;--red:#e34b4b}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font:14px/1.55 system-ui,-apple-system,"Segoe UI","PingFang SC",sans-serif}a{color:var(--primary);text-decoration:none}header{height:64px;padding:0 max(20px,calc((100% - 1200px)/2));display:flex;align-items:center;justify-content:space-between;background:#fff;border-bottom:1px solid var(--line)}header strong{font-size:19px;margin-right:12px}.container{max-width:1200px;margin:28px auto;padding:0 18px}.login{min-height:100vh;display:grid;place-items:center;padding:20px}.login .card{width:min(420px,100%)}.login h1{margin-bottom:0}.card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:22px;box-shadow:0 5px 24px rgba(27,49,90,.05);margin-bottom:20px}h2{font-size:17px;margin:0 0 18px}.muted{color:var(--muted)}.small{font-size:12px}.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.stats .card{display:flex;flex-direction:column}.stats b{font-size:28px;margin-top:6px}.grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}.grid .card{margin:0 0 20px}label{display:block;font-weight:600;margin:12px 0}input{width:100%;height:42px;margin-top:6px;padding:0 12px;border:1px solid #cfd7e6;border-radius:8px;font:inherit;outline:none}input:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(40,120,255,.12)}button{border:0;border-radius:8px;background:var(--primary);color:#fff;padding:10px 17px;font-weight:650;cursor:pointer}form>button{margin-top:8px}.secondary{background:#edf2fa;color:#34425c}.danger{background:#fff0f0;color:var(--red)}.alert{border-radius:9px;padding:11px 14px;margin-bottom:16px}.success{background:#eaf9f2;color:#08784a}.error{background:#fff0f0;color:#b42e2e}.tip{margin-top:18px;background:#f5f7fb;border-radius:8px;padding:12px;word-break:break-all}.table-wrap{overflow-x:auto}table{width:100%;border-collapse:collapse;white-space:nowrap}th,td{text-align:left;border-bottom:1px solid var(--line);padding:12px 10px}th{color:var(--muted);font-size:12px}td small{display:block;color:var(--muted)}.badge{padding:3px 8px;border-radius:20px;font-size:12px}.badge.on{background:#e8f8f0;color:var(--green)}.badge.off{background:#f0f2f5;color:#7a8497}.actions,.inline{display:flex;gap:7px;align-items:center}.actions form{display:inline}.actions button,.small-btn{margin:0;padding:6px 10px}.check{display:flex;align-items:center;gap:4px;margin:0;font-weight:400}.check input{width:auto;height:auto;margin:0}.amount{color:var(--green);font-weight:700}.amount.negative{color:var(--red)}.empty{text-align:center;color:var(--muted);padding:28px}@media(max-width:760px){.stats,.grid{grid-template-columns:1fr}.stats{gap:10px}.stats .card{margin:0}.container{margin-top:18px}.card{padding:16px}header .muted{display:none}}