:root{--bg:#f4f6f8;--panel:#fff;--ink:#17202a;--muted:#647282;--line:#d9e0e7;--accent:#1f7a8c;--danger:#b42318;--warn:#b7791f;--good:#147d4f}*{box-sizing:border-box}body{margin:0;font-family:"Microsoft YaHei UI","Segoe UI",Arial,sans-serif;color:var(--ink);background:var(--bg)}.hidden{display:none!important}.login-shell{min-height:100vh;display:grid;place-items:center;padding:24px}.login-box{width:min(420px,100%);background:var(--panel);border:1px solid var(--line);border-radius:8px;padding:28px;box-shadow:0 14px 42px rgba(16,24,40,.12)}h1,h2,p{margin-top:0}h1{font-size:26px}h2{font-size:18px}p{color:var(--muted)}label{display:grid;gap:7px;margin-bottom:14px;font-size:13px;color:var(--muted)}input,select,textarea{width:100%;border:1px solid var(--line);border-radius:6px;padding:10px 11px;font:inherit;background:#fff;color:var(--ink)}textarea{min-height:104px;resize:vertical;margin-top:12px;font-family:Consolas,monospace}button{border:0;border-radius:6px;padding:10px 14px;font:inherit;color:#fff;background:var(--accent);cursor:pointer}button:hover{background:#17687a}button.ghost{background:transparent;color:#d7e6ec;border:1px solid rgba(255,255,255,.22)}.message{min-height:24px;margin-top:10px;color:var(--danger)}.app-shell{min-height:100vh;display:grid;grid-template-columns:238px 1fr}.sidebar{background:#10212b;color:#fff;padding:22px 16px;display:flex;flex-direction:column;gap:18px}.brand strong{display:block;font-size:24px}.brand span{color:#a9bcc7;font-size:12px}nav{display:grid;gap:8px}.nav{text-align:left;background:transparent;color:#cddbe3}.nav.active,.nav:hover{background:#1f7a8c;color:#fff}#logoutBtn{margin-top:auto}.content{padding:24px;min-width:0}.topbar{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:20px}.view{display:none}.view.active{display:block}.summary-grid{display:grid;grid-template-columns:repeat(5,minmax(150px,1fr));gap:14px}.summary-card,.panel{background:var(--panel);border:1px solid var(--line);border-radius:8px;padding:18px}.summary-card span{color:var(--muted);font-size:13px}.summary-card strong{display:block;margin-top:10px;font-size:30px}.form-grid{display:grid;grid-template-columns:repeat(4,minmax(150px,1fr));gap:14px;align-items:end}.toolbar{display:flex;gap:10px;margin:18px 0 12px}.toolbar input{max-width:360px}.toolbar select{max-width:160px}.table-wrap{background:var(--panel);border:1px solid var(--line);border-radius:8px;overflow:auto}table{width:100%;border-collapse:collapse;min-width:980px}th,td{text-align:left;border-bottom:1px solid var(--line);padding:10px 12px;font-size:13px;white-space:nowrap}th{background:#eef3f7;color:#465666;font-weight:600}tr:last-child td{border-bottom:0}.status{display:inline-block;padding:3px 8px;border-radius:999px;font-size:12px;background:#eef3f7}.status.active,.status.paid_active,.status.trial_active,.status.unused{color:var(--good);background:#e4f6ec}.status.revoked{color:var(--danger);background:#fde7e4}.status.expired,.status.paid_expired,.status.trial_expired,.status.bound{color:var(--warn);background:#fff3d8}.mini-actions{display:flex;gap:6px}.mini-actions button{padding:6px 9px;font-size:12px}@media(max-width:980px){.app-shell{grid-template-columns:1fr}.summary-grid,.form-grid{grid-template-columns:1fr 1fr}}