:root{--sidebar-bg: #1d2333;--sidebar-text: #9aa4b8;--sidebar-active: #4f7cff;--bg: #f2f4f8;--card: #ffffff;--border: #e5e9f0;--text: #242a38;--muted: #7a8499;--primary: #3b6cff;--primary-dark: #2f56d6;--green: #18a058;--orange: #e8871a;--red: #d94b4b;--blue: #3b82f6;--radius: 10px;--shadow: 0 1px 3px rgba(20, 30, 60, .06)}*{box-sizing:border-box}html,body{margin:0;padding:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Hiragino Sans GB,Microsoft YaHei,sans-serif;color:var(--text);background:var(--bg);font-size:14px}button{font-family:inherit}a{color:inherit;text-decoration:none}.admin-shell{display:flex;min-height:100vh}.sidebar{width:220px;flex-shrink:0;background:var(--sidebar-bg);color:var(--sidebar-text);display:flex;flex-direction:column;position:sticky;top:0;height:100vh}.sidebar-brand{padding:20px 18px 16px;border-bottom:1px solid rgba(255,255,255,.07)}.sidebar-brand .logo{font-size:17px;font-weight:700;color:#fff;letter-spacing:.5px}.sidebar-brand .sub{font-size:12px;margin-top:4px;opacity:.6}.sidebar-nav{flex:1;padding:12px 10px;overflow-y:auto}.nav-item{display:flex;align-items:center;gap:10px;padding:10px 12px;border-radius:8px;color:var(--sidebar-text);font-size:14px;margin-bottom:2px;transition:background .15s,color .15s}.nav-item:hover{background:#ffffff0f;color:#fff}.nav-item.active{background:var(--sidebar-active);color:#fff;font-weight:600}.nav-item .nav-ico{width:18px;text-align:center;font-size:16px}.sidebar-foot{padding:14px;border-top:1px solid rgba(255,255,255,.07);font-size:12px}.main-area{flex:1;min-width:0;display:flex;flex-direction:column}.topbar{background:var(--card);border-bottom:1px solid var(--border);padding:14px 24px;display:flex;align-items:center;justify-content:space-between;position:sticky;top:0;z-index:20}.topbar h1{font-size:17px;margin:0}.topbar .admin-meta{display:flex;align-items:center;gap:12px;color:var(--muted);font-size:13px}.content{padding:24px;flex:1}.card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);padding:18px}.card+.card,.card+.toolbar,.toolbar+.card{margin-top:16px}.card-title{font-size:15px;font-weight:600;margin-bottom:14px}.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:14px}.stat-card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);padding:16px 18px}.stat-card .num{font-size:26px;font-weight:700;line-height:1.2}.stat-card .label{color:var(--muted);font-size:13px;margin-top:4px}.toolbar{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:14px 16px;display:flex;flex-wrap:wrap;align-items:center;gap:10px}.toolbar .spacer{flex:1}.input,.select,.textarea{border:1px solid var(--border);border-radius:8px;padding:8px 12px;font-size:14px;background:#fff;color:var(--text);outline:none;transition:border-color .15s,box-shadow .15s}.input:focus,.select:focus,.textarea:focus{border-color:var(--primary);box-shadow:0 0 0 3px #3b6cff1f}.textarea{width:100%;resize:vertical;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,Liberation Mono,monospace;line-height:1.7}.btn{display:inline-flex;align-items:center;gap:6px;border:1px solid transparent;border-radius:8px;padding:8px 16px;font-size:14px;cursor:pointer;background:var(--primary);color:#fff;transition:background .15s,opacity .15s}.btn:hover{background:var(--primary-dark)}.btn:disabled{opacity:.55;cursor:not-allowed}.btn-ghost{background:transparent;color:var(--primary);border-color:#3b6cff73}.btn-ghost:hover{background:#3b6cff14}.btn-plain{background:#eef1f7;color:var(--text)}.btn-plain:hover{background:#e2e7f1}.btn-sm{padding:5px 11px;font-size:13px;border-radius:7px}.btn-danger{background:var(--red)}.btn-danger:hover{background:#c13f3f}.btn-green{background:var(--green)}.btn-green:hover{background:#14874b}.table-wrap{overflow-x:auto}table.table{width:100%;border-collapse:collapse;font-size:13.5px}.table th,.table td{text-align:left;padding:11px 12px;border-bottom:1px solid var(--border);vertical-align:middle}.table th{color:var(--muted);font-weight:500;font-size:12.5px;white-space:nowrap;background:#fafbfd}.table tbody tr:hover{background:#f8faff}.table .mono{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:12.5px}.badge{display:inline-block;padding:2px 9px;border-radius:20px;font-size:12px;font-weight:500;white-space:nowrap}.badge.gray{background:#eef0f4;color:#6b7280}.badge.green{background:#e3f5ec;color:#128a4d}.badge.blue{background:#e6f0ff;color:#2563eb}.badge.orange{background:#fdf0e2;color:#c86a0d}.badge.red{background:#fdeaea;color:#c0392b}.empty{text-align:center;color:var(--muted);padding:40px 16px;font-size:13.5px}.loading-wrap{display:flex;align-items:center;justify-content:center;gap:10px;padding:60px 0;color:var(--muted)}.spinner{width:18px;height:18px;border:2px solid var(--border);border-top-color:var(--primary);border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.modal-mask{position:fixed;inset:0;background:#12182680;display:flex;align-items:center;justify-content:center;z-index:100;padding:20px}.modal{background:#fff;border-radius:12px;width:100%;max-width:460px;max-height:90vh;overflow-y:auto;box-shadow:0 20px 60px #0003}.modal-head{padding:16px 20px;border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between}.modal-head h3{margin:0;font-size:15px}.modal-body{padding:18px 20px}.modal-foot{padding:14px 20px;border-top:1px solid var(--border);display:flex;justify-content:flex-end;gap:10px}.form-row{margin-bottom:14px}.form-row label{display:block;font-size:13px;color:var(--muted);margin-bottom:6px}.form-row .input,.form-row .select,.form-row .textarea{width:100%}.tabs{display:flex;gap:4px;border-bottom:1px solid var(--border);margin-bottom:16px;flex-wrap:wrap}.tab{padding:9px 16px;font-size:14px;color:var(--muted);border-bottom:2px solid transparent;cursor:pointer;margin-bottom:-1px}.tab:hover{color:var(--text)}.tab.active{color:var(--primary);border-bottom-color:var(--primary);font-weight:600}.row-expand{background:#fafbfd}.row-expand .detail-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:12px}.detail-item .k{font-size:12px;color:var(--muted);margin-bottom:3px}.detail-item .v{font-size:13.5px;word-break:break-all}.alert{border-radius:8px;padding:10px 14px;font-size:13px;margin-bottom:14px}.alert.error{background:#fdeaea;color:#b3352a}.alert.info{background:#eef4ff;color:#2b5fc7}.muted{color:var(--muted)}.mt8{margin-top:8px}.mt16{margin-top:16px}.mb8{margin-bottom:8px}.flex-between{display:flex;align-items:center;justify-content:space-between;gap:12px}.login-page{min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#1d2333,#2b3550 60%,#3a4a74);padding:20px}.login-card{width:100%;max-width:400px;background:#fff;border-radius:14px;padding:32px 30px;box-shadow:0 24px 70px #0000004d}.login-logo{font-size:19px;font-weight:700;text-align:center}.login-logo small{display:block;font-size:12.5px;color:var(--muted);font-weight:400;margin-top:5px}.login-mail{margin:22px 0 16px;background:#f4f6fb;border:1px dashed #c9d4ec;border-radius:10px;padding:12px 14px;text-align:center;font-size:14px}.login-mail .mail{font-weight:600;color:var(--primary);letter-spacing:.3px}.login-code-row{display:flex;gap:10px}.login-code-row .input{flex:1;letter-spacing:4px;font-size:18px;text-align:center;font-weight:600}.login-hint{font-size:12.5px;color:var(--muted);margin-top:14px;line-height:1.7}.login-btn{width:100%;margin-top:18px;justify-content:center;padding:11px;font-size:15px}@media(max-width:900px){.admin-shell{flex-direction:column}.sidebar{width:100%;height:auto;position:static}.sidebar-nav{display:flex;overflow-x:auto;padding:8px}.nav-item{white-space:nowrap;margin-bottom:0}.sidebar-foot{display:none}.content{padding:14px}}