body{margin:0;background:#0f172a;color:#e5e7eb;font-family:Microsoft YaHei,Arial,sans-serif}main{display:grid;grid-template-columns:210px 1fr;min-height:100vh;background:var(--page-bg);color:var(--text)}.theme-dark{--page-bg: #0f172a;--panel-bg: #111827;--sidebar-bg: #020617;--sidebar-item: #111827;--sidebar-border: #243041;--table-bg: #111827;--table-head: #1e293b;--border: #263244;--text: #e5e7eb;--muted: #94a3b8;--input-bg: #0b1120;--modal-shadow: rgba(0, 0, 0, .45)}.theme-light{--page-bg: #f5f7fb;--panel-bg: #fff;--sidebar-bg: #111827;--sidebar-item: #1f2937;--sidebar-border: #374151;--table-bg: #fff;--table-head: #eef2ff;--border: #e5e7eb;--text: #1f2937;--muted: #475569;--input-bg: #fff;--modal-shadow: rgba(15, 23, 42, .22)}aside{padding:18px;background:var(--sidebar-bg);color:#fff}h1{font-size:22px}aside button{display:block;width:100%;height:42px;margin:10px 0;color:#d1d5db;background:var(--sidebar-item);border:1px solid var(--sidebar-border);border-radius:8px;font-weight:800;cursor:pointer}button{height:34px;margin-right:6px;padding:0 12px;border:1px solid #1677ff;background:#1677ff;color:#fff;border-radius:6px;cursor:pointer}button:disabled{opacity:.6;cursor:not-allowed}.active{background:#1677ff!important;color:#fff!important}.ghost{background:transparent;color:#d1d5db}.admin-chip{padding:8px 10px;background:var(--sidebar-item);border:1px solid var(--sidebar-border);border-radius:8px}section{padding:24px}.grid{display:grid;grid-template-columns:1.1fr 110px 1fr 100px 170px 80px 70px 130px;gap:8px;align-items:center;padding:10px;background:var(--table-bg);border-bottom:1px solid var(--border)}.head{background:var(--table-head);font-weight:800}.log{display:grid;grid-template-columns:90px 130px 1fr 100px 100px 100px;gap:8px;padding:10px;background:var(--table-bg);border-bottom:1px solid var(--border)}.title-row{display:flex;align-items:center;justify-content:space-between;max-width:1280px}.code-list{display:grid;grid-template-columns:150px 80px 80px 170px 90px 120px 170px 170px;gap:8px;align-items:center;max-width:1280px;padding:10px;background:var(--table-bg);border-bottom:1px solid var(--border)}.status-used{color:#b91c1c;font-weight:800}.status-free{color:#047857;font-weight:800}input{height:34px;padding:0 8px;color:var(--text);background:var(--input-bg);border:1px solid var(--border);border-radius:6px}code{overflow:hidden;color:var(--muted);font-family:Consolas,monospace;white-space:nowrap;text-overflow:ellipsis}.card{display:grid;gap:12px;max-width:520px;padding:18px;background:var(--panel-bg);border:1px solid var(--border);border-radius:8px}.message{max-width:760px;padding:10px 12px;background:#ecfdf5;color:#047857;border:1px solid #a7f3d0;border-radius:8px}.message.error{background:#fef2f2;color:#b91c1c;border-color:#fecaca}.login-page{display:grid;grid-template-columns:1fr;place-items:center;min-height:100vh}.login-card{display:grid;gap:14px;width:min(420px,calc(100vw - 36px));padding:26px;background:var(--panel-bg);border:1px solid var(--border);border-radius:8px;box-shadow:0 12px 30px var(--modal-shadow)}.login-card label{display:grid;gap:6px}.login-card button{width:100%;margin-right:0}.modal-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;display:grid;place-items:center;background:#0f172a73}.modal-card{display:grid;gap:14px;width:min(420px,calc(100vw - 36px));padding:22px;background:var(--panel-bg);border-radius:8px;box-shadow:0 18px 50px var(--modal-shadow)}.modal-card label{display:grid;gap:6px}.modal-actions{display:flex;justify-content:flex-end;gap:8px}.ghost-light{background:var(--input-bg);color:var(--text);border-color:var(--border)}.theme-switch{background:transparent;color:#d1d5db;border-color:var(--sidebar-border)}.login-theme{width:auto!important;justify-self:end;color:var(--text);border-color:var(--border)}