:root{--primary:#2563eb;--primary-hover:#1d4ed8;--primary-light:#eff6ff;--primary-border:#bfdbfe;--success:#16a34a;--success-light:#f0fdf4;--success-border:#bbf7d0;--warning:#d97706;--warning-light:#fffbeb;--warning-border:#fde68a;--danger:#dc2626;--danger-light:#fef2f2;--danger-border:#fecaca;--info:#0891b2;--info-light:#ecfeff;--bg:#f8fafc;--bg-elevated:#ffffff;--bg-muted:#f1f5f9;--bg-subtle:#e2e8f0;--text-primary:#0f172a;--text-secondary:#475569;--text-muted:#94a3b8;--text-inverse:#ffffff;--border:#e2e8f0;--border-strong:#cbd5e1;--divider:#f1f5f9;--shadow-xs:0 1px 2px rgba(0,0,0,0.04);--shadow-sm:0 1px 3px rgba(0,0,0,0.06),0 1px 2px rgba(0,0,0,0.04);--shadow-md:0 4px 6px -1px rgba(0,0,0,0.07),0 2px 4px -2px rgba(0,0,0,0.05);--shadow-lg:0 10px 15px -3px rgba(0,0,0,0.08),0 4px 6px -4px rgba(0,0,0,0.04);--shadow-xl:0 20px 25px -5px rgba(0,0,0,0.08),0 8px 10px -6px rgba(0,0,0,0.04);--radius-sm:6px;--radius-md:8px;--radius-lg:12px;--radius-xl:16px;--transition:150ms ease}[data-theme=fresh]{--primary:#1677ff;--primary-hover:#0958d9;--primary-light:#e6f4ff;--primary-border:#91caff;--success:#52c41a;--success-light:#f6ffed;--success-border:#b7eb8f;--warning:#fa8c16;--warning-light:#fff7e6;--warning-border:#ffd591;--danger:#ff4d4f;--danger-light:#fff2f0;--danger-border:#ffccc7;--info:#13c2c2;--info-light:#e6fffb;--bg:#f5f7fa;--bg-elevated:#ffffff;--bg-muted:#f0f2f5;--bg-subtle:#e6e9ef;--text-primary:#1d2129;--text-secondary:#4e5969;--text-muted:#86909c;--text-inverse:#ffffff;--border:#e5e8ef;--border-strong:#c9cdd4;--divider:#f2f3f5;--shadow-xs:0 1px 2px rgba(0,0,0,0.03);--shadow-sm:0 2px 8px rgba(0,0,0,0.08);--shadow-md:0 4px 12px rgba(0,0,0,0.10);--shadow-lg:0 8px 24px rgba(0,0,0,0.12);--shadow-xl:0 16px 48px rgba(0,0,0,0.12);--radius-sm:4px;--radius-md:6px;--radius-lg:8px;--radius-xl:12px;--transition:120ms ease}body,html{margin:0;padding:0;background:var(--bg);color:var(--text-primary);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Hiragino Sans GB,Microsoft YaHei,sans-serif;font-size:14px;line-height:1.6;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;overflow-x:hidden}*,:after,:before{box-sizing:border-box}a{color:var(--primary);text-decoration:none}a:hover{color:var(--primary-hover)}button,input,select,textarea{font-family:inherit;font-size:inherit}main{min-height:100vh}.app-main{min-width:0}.app-content{width:100%;min-width:0;max-width:none}.app-content>:first-child,.customer-content>:first-child{width:100%!important;max-width:none!important;margin-left:0!important;margin-right:0!important;box-sizing:border-box}.settings-shell{display:grid;grid-template-columns:220px minmax(0,1fr);height:calc(100vh - 56px);overflow:hidden}.settings-sidebar{overflow-y:auto;padding:24px 16px;border-right:1px solid var(--border);background:var(--bg-elevated)}.settings-sidebar-title{padding:0 10px 18px;color:var(--text-primary);font-size:16px;font-weight:700}.settings-nav-group{margin-bottom:20px}.settings-nav-group-title{padding:0 10px 6px;color:var(--text-muted);font-size:11px;font-weight:600}.settings-nav-item{display:block;width:100%;min-height:38px;padding:8px 10px;border:0;border-radius:6px;background:transparent;color:var(--text-secondary);text-align:left;cursor:pointer}.settings-nav-item:hover{background:var(--bg-subtle);color:var(--text-primary)}.settings-nav-item.is-active{background:var(--primary-light);color:var(--primary);font-weight:600}.settings-device-back{margin-top:20px;border-top:1px solid var(--border);border-radius:0}.settings-content{min-width:0;min-height:0;overflow-y:auto;padding:32px 40px}.settings-device-area-gateway .settings-device-software,.settings-device-area-gateway .settings-device-stations,.settings-device-area-software .settings-device-gateway,.settings-device-area-software .settings-device-stations,.settings-device-area-stations .settings-device-gateway,.settings-device-area-stations .settings-device-printing,.settings-device-area-stations .settings-device-software,.settings-mobile-nav{display:none}@media (max-width:760px){.settings-shell{display:flex;flex-direction:column;height:calc(100vh - 56px)}.settings-sidebar{display:none}.settings-mobile-nav{display:flex;gap:8px;padding:12px 16px 12px 58px;border-bottom:1px solid var(--border);background:var(--bg-elevated)}.settings-mobile-nav select{flex:1 1;min-width:0;padding:9px 10px}.settings-mobile-nav button,.settings-mobile-nav select{border:1px solid var(--border);border-radius:6px;background:var(--bg-elevated)}.settings-mobile-nav button{padding:8px 12px}.settings-content{padding:20px 16px}.settings-content div:has(>table){max-width:100%;overflow-x:auto}.settings-content table{min-width:720px}}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--border-strong);border-radius:3px}::-webkit-scrollbar-thumb:hover{background:var(--text-muted)}@media print{.no-print,aside{display:none!important}.app-main{margin-left:0!important}body{background:white}}