*{box-sizing:border-box}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Microsoft YaHei",sans-serif;background:#f5f7fb;color:#1f2937}button,input,select,textarea{font:inherit}button{cursor:pointer;border:0;border-radius:8px;padding:9px 14px;background:#2563eb;color:#fff}button.ghost{background:transparent;color:inherit;border:1px solid #cbd5e1}.login-page{min-height:100vh;display:grid;place-items:center;padding:20px;background:linear-gradient(135deg,#eef2ff,#f8fafc)}.login-card{width:min(440px,100%);background:#fff;padding:30px;border-radius:16px;box-shadow:0 20px 60px #0001}.login-card h1{margin-top:0}.login-card label,.form label{display:block;margin:12px 0;font-size:14px}.login-card input,.form input,.form select,.form textarea{width:100%;margin-top:6px;padding:10px;border:1px solid #d1d5db;border-radius:8px;background:#fff}.error{color:#dc2626}.muted{color:#64748b}.top{height:60px;background:#111827;color:#fff;display:flex;align-items:center;justify-content:space-between;padding:0 18px}.top span{margin-left:12px;color:#cbd5e1;font-size:13px}.layout{display:grid;grid-template-columns:220px 1fr;min-height:calc(100vh - 60px)}nav{padding:14px;background:#fff;border-right:1px solid #e5e7eb}nav button{display:block;width:100%;margin-bottom:7px;text-align:left;background:transparent;color:#334155}nav button.active,nav button:hover{background:#e8eefc;color:#1d4ed8}#content{padding:22px;max-width:1400px;width:100%;margin:auto}.cards{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.card{background:#fff;border:1px solid #e5e7eb;border-radius:12px;padding:18px}.card .num{font-size:25px;font-weight:700;margin-top:8px}.panel{background:#fff;border:1px solid #e5e7eb;border-radius:12px;padding:18px;margin-bottom:16px}.form{display:grid;grid-template-columns:repeat(4,1fr);gap:10px}.form .wide{grid-column:1/-1}.form button{align-self:end}.table-wrap{overflow:auto}table{width:100%;border-collapse:collapse;min-width:720px}th,td{padding:9px;border-bottom:1px solid #e5e7eb;text-align:left;white-space:nowrap}th{background:#f8fafc}.toolbar{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:12px}.danger{background:#dc2626}.ok{color:#15803d}.money{font-variant-numeric:tabular-nums}details{margin-top:15px}summary{cursor:pointer}.print-box{background:#fff;padding:30px}.small{font-size:12px}@media(max-width:900px){.layout{grid-template-columns:1fr}nav{display:flex;overflow:auto;gap:7px;position:sticky;top:0;z-index:2}nav button{min-width:max-content;margin:0}.cards{grid-template-columns:repeat(2,1fr)}.form{grid-template-columns:repeat(2,1fr)}}@media(max-width:600px){#content{padding:12px}.cards{grid-template-columns:1fr}.form{grid-template-columns:1fr}.top{padding:0 10px}.top b{font-size:14px}}
@media print{.top,nav,.toolbar,.no-print{display:none!important}.layout{display:block}#content{padding:0}.panel{border:0}}

.notice{padding:12px 14px;border-radius:10px;background:#eef6ff;margin-bottom:14px}.success{padding:12px 14px;border-radius:10px;background:#edf9f0;margin:14px 0}.totalbar{font-size:18px;padding:14px;background:var(--panel);border-radius:10px}.totalbar strong{font-size:22px}#purchaseItems input,#purchaseItems select{min-width:110px;width:100%;box-sizing:border-box}.removeItem{white-space:nowrap}