:root{--page:#f1f6ff;--surface:#fff;--surface-soft:#f8fbff;--primary:#2f78e8;--primary-dark:#1f63d1;--primary-soft:#e3eeff;--primary-soft-2:#e8f1ff;--ink-1:#1f2a3d;--ink-2:#52627a;--ink-3:#6c7b91;--border:#dce7f5;--border-strong:#c8d9ee;--success:#18a878;--warning:#e8a31a;--danger:#d64545;--neutral:#8793a3;--shadow:0 12px 30px #2a5b9d14;--shadow-soft:0 2px 10px #2a5b9d0f;color:var(--ink-1);background:var(--page);font-synthesis:none;text-rendering:optimizelegibility;font-family:Noto Sans SC,Source Han Sans SC,Microsoft YaHei,system-ui,sans-serif}*{box-sizing:border-box}html,body,#root{min-height:100%;margin:0}body{background:var(--page);min-width:320px}button,input,select{font:inherit}button{color:inherit}button:focus-visible,select:focus-visible,input:focus-visible+.focus-target{outline-offset:2px;outline:3px solid #2f78e842}.app-shell{background:var(--page);min-height:100vh}.sidebar{z-index:20;border-right:1px solid var(--border);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);background:#ffffffdb;flex-direction:column;width:248px;display:flex;position:fixed;inset:0 auto 0 0}.brand-lockup{height:72px;color:var(--primary);border-bottom:1px solid #dce7f5b8;align-items:center;gap:12px;padding:0 28px;display:flex}.brand-mark{place-items:center;width:28px;height:28px;display:grid}.brand-name{letter-spacing:.02em;font-size:21px;font-weight:750}.nav-list{gap:6px;padding:22px 12px;display:grid}.nav-item{min-height:46px;color:var(--ink-2);cursor:pointer;text-align:left;background:0 0;border:0;border-radius:9px;align-items:center;gap:14px;padding:0 18px;font-size:14px;font-weight:560;transition:background .16s,color .16s,transform 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0;font-size:12px;display:flex}.detail-list{gap:13px;margin:0;padding:20px 22px;display:grid}.detail-list div{grid-template-columns:100px 1fr;gap:10px;display:grid}.detail-list dt{color:var(--ink-3);font-size:12px}.detail-list dd{color:var(--ink-2);margin:0;font-size:12px}.detail-note{background:var(--primary-soft-2);color:var(--primary);border-radius:7px;gap:8px;margin:0 22px 22px;padding:11px 12px;font-size:11px;line-height:1.5;display:flex}.toast{z-index:60;border:1px solid var(--border);max-width:min(420px,100vw - 48px);box-shadow:var(--shadow);color:var(--ink-2);background:#fff;border-radius:9px;align-items:center;gap:10px;padding:12px 14px;font-size:12px;display:flex;position:fixed;bottom:24px;right:24px}.toast-success{color:#157a5a;border-color:#bdebdc}.toast-warning{color:#9c6c0f;border-color:#f3dfa8}.toast-close{color:currentColor;cursor:pointer;background:0 0;border:0;place-items:center;margin-left:6px;display:grid}.device-setup-backdrop{z-index:45;place-items:center}.device-setup-dialog{border:1px solid var(--border);background:var(--surface);border-radius:14px;flex-direction:column;width:min(980px,100%);max-height:min(820px,100vh - 48px);display:flex;overflow:hidden;box-shadow:0 24px 70px #1a3a6840}.device-setup-header{border-bottom:1px solid var(--border);justify-content:space-between;align-items:flex-start;gap:20px;min-height:104px;padding:24px 28px 20px;display:flex}.device-setup-header h2{margin:0;font-size:21px;font-weight:760}.device-setup-header p{color:var(--ink-3);margin:8px 0 0;font-size:12px}.device-setup-body{flex:1;grid-template-columns:200px minmax(0,1fr);min-height:0;display:grid}.setup-checklist{border-right:1px solid var(--border);background:#f8fbff;align-content:start;gap:2px;margin:0;padding:24px 14px;list-style:none;display:grid}.setup-checklist li{color:var(--ink-3);border-radius:8px;grid-template-columns:26px minmax(0,1fr);align-items:start;gap:10px;padding:11px 10px;display:grid}.setup-checklist li span{width:24px;height:24px;color:var(--ink-3);border:1px solid #b4c2d3;border-radius:50%;place-items:center;font-size:11px;font-weight:750;display:grid}.setup-checklist li strong,.setup-checklist li small{display:block}.setup-checklist li strong{color:var(--ink-2);font-size:12px}.setup-checklist li small{color:var(--ink-3);margin-top:4px;font-size:10px;line-height:1.35}.setup-checklist li.is-current{background:var(--primary-soft-2)}.setup-checklist li.is-current span{border-color:var(--primary);background:var(--primary);color:#fff}.setup-checklist li.is-current strong{color:var(--primary-dark)}.device-setup-form{min-height:0;padding:24px 28px 28px;overflow-y:auto}.setup-section{border-bottom:1px solid #e7eef7;gap:16px;padding:0 0 22px;display:grid}.setup-section+.setup-section{margin-top:22px}.setup-section-heading{color:var(--primary);justify-content:space-between;align-items:flex-start;gap:16px;display:flex}.setup-section-heading h3{color:var(--ink-1);margin:0;font-size:15px;font-weight:750}.setup-section-heading p{color:var(--ink-3);margin:5px 0 0;font-size:11px;line-height:1.45}.setup-fields{gap:14px;display:grid}.setup-fields-three{grid-template-columns:repeat(3,minmax(0,1fr))}.setup-fields-three .field-label:last-child{grid-column:span 2}.setup-choice-grid{grid-template-columns:repeat(2,minmax(0,1fr));display:grid}.setup-choice-grid .choice-card{min-height:76px}.setup-toggle{color:var(--ink-2);cursor:pointer;align-items:flex-start;gap:9px;display:flex}.setup-toggle input{width:16px;height:16px;accent-color:var(--primary);margin:2px 0 0}.setup-toggle strong,.setup-toggle small{display:block}.setup-toggle strong{font-size:12px}.setup-toggle small{color:var(--ink-3);margin-top:4px;font-size:10px}.setup-check-section{border-bottom:0;padding-bottom:0}.setup-result{border:1px solid var(--border);background:#fbfdff;border-radius:8px;padding:13px 14px}.setup-result-warning{color:#956a12;background:#fffaf0;border-color:#f1dfad}.setup-result-success{color:#157a5a;background:#f4fffb;border-color:#bdebdc}.setup-result-idle{color:var(--ink-2)}.setup-result-title{align-items:center;gap:7px;display:flex}.setup-result-title strong{font-size:12px}.setup-result p{color:var(--ink-3);margin:7px 0 0;font-size:11px;line-height:1.5}.setup-result ul{border-top:1px solid #a6bad159;gap:7px;margin:12px 0 0;padding:10px 0 0;list-style:none;display:grid}.setup-result li{color:var(--ink-2);justify-content:space-between;align-items:center;gap:12px;font-size:11px;display:flex}.setup-result li strong{color:var(--primary);font-size:10px;font-weight:700}.device-setup-footer{border-top:1px solid var(--border);justify-content:flex-end;gap:10px;margin-top:24px;padding-top:18px;display:flex}.device-setup-footer .button{min-width:138px}.protocol-matrix{gap:8px;display:grid}.protocol-row{border:1px solid var(--border);background:#fbfdff;border-radius:8px;justify-content:space-between;align-items:center;gap:14px;padding:11px 13px;display:flex}.protocol-row>div{gap:4px;min-width:0;display:grid}.protocol-row strong{color:var(--ink-1);font-size:12px}.protocol-row span:not(.status-badge){color:var(--ink-3);text-overflow:ellipsis;white-space:nowrap;font-size:10px;overflow:hidden}.auth-shell{background:var(--page);place-items:center;min-height:100vh;padding:24px;display:grid}.auth-panel{border:1px solid var(--border);background:var(--surface);width:min(430px,100%);box-shadow:var(--shadow);border-radius:14px;padding:34px}.auth-loading{color:var(--ink-2);justify-items:center;gap:12px;display:grid}.auth-loading .brand-mark{background:var(--primary);color:#fff;border-radius:12px;place-items:center;width:48px;height:48px;display:grid}.auth-muted,.auth-footnote{color:var(--ink-3);font-size:11px}.auth-brand{align-items:center;gap:11px;display:flex}.auth-brand .brand-mark{background:var(--primary-soft-2);width:42px;height:42px;color:var(--primary);border-radius:10px;place-items:center;display:grid}.auth-brand strong,.auth-brand span{display:block}.auth-brand strong{color:var(--ink-1);font-size:18px}.auth-brand span:not(.brand-mark){color:var(--ink-3);margin-top:4px;font-size:11px}.auth-heading{margin-top:30px}.auth-heading h1{color:var(--ink-1);margin:0;font-size:22px}.auth-heading p{color:var(--ink-3);margin:8px 0 0;font-size:12px;line-height:1.5}.auth-form{gap:16px;margin-top:24px;display:grid}.auth-submit{width:100%;margin-top:3px}.auth-error{color:#956a12;background:#fffaf0;border:1px solid #f1dfad;border-radius:7px;align-items:flex-start;gap:7px;padding:10px 11px;font-size:11px;line-height:1.45;display:flex}.auth-footnote{text-align:center;margin:20px 0 0;line-height:1.5}@media (width<=1260px){.main-area.drawer-is-open{padding-right:0}.task-drawer{width:380px}.workspace-grid{grid-template-columns:minmax(0,1fr) 300px}.main-area.drawer-is-open .content-wrap{padding-right:32px}}@media (width<=1700px) and (width>=761px){.main-area.drawer-is-open .workspace-grid{grid-template-columns:minmax(0,1fr)}.main-area.drawer-is-open .task-table{min-width:0}.main-area.drawer-is-open .task-table th:nth-child(3),.main-area.drawer-is-open .task-table td:nth-child(3),.main-area.drawer-is-open .task-table th:nth-child(6),.main-area.drawer-is-open .task-table td:nth-child(6){display:none}}@media (width<=1040px){.management-grid{grid-template-columns:1fr}.import-dropzone{flex-wrap:wrap;align-items:flex-start}.import-file-button{margin-left:38px}.directory-create-form{grid-template-columns:repeat(2,minmax(140px,1fr))}.sidebar{width:216px}.main-area{margin-left:216px}.content-wrap{padding:24px 20px 36px}.topbar{padding:0 20px}.workspace-grid{grid-template-columns:1fr}.device-panel{grid-template-columns:1fr 1fr;display:grid}.device-panel .panel-heading{grid-column:1/-1}.activity-block{border-top:0;border-left:1px solid #e8eef6}}@media (width<=760px){.directory-create-form{grid-template-columns:1fr}.sidebar{width:100%;height:auto;position:static}.brand-lockup{height:62px;padding:0 18px}.nav-list{gap:6px;padding:10px 12px;display:flex;overflow-x:auto}.nav-item{min-width:max-content;min-height:40px;padding:0 12px}.nav-item.is-active:before{width:auto;height:2px;inset:auto 12px 3px}.sidebar-footer{display:none}.main-area,.main-area.drawer-is-open{margin-left:0;padding-right:0}.topbar{height:58px;padding:0 16px}.topbar-context{gap:8px;font-size:11px}.context-school{text-overflow:ellipsis;white-space:nowrap;max-width:128px;overflow:hidden}.profile-button span:not(.avatar){display:none}.topbar-actions{gap:10px}.content-wrap,.main-area.drawer-is-open .content-wrap{padding:22px 14px 32px}.page-heading{flex-direction:column;align-items:stretch}.page-heading h1{font-size:23px}.page-heading .primary-button{align-self:flex-start}.rule-banner{align-items:flex-start;padding:11px 13px;line-height:1.55}.stats-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.stat-card{gap:9px;min-height:88px;padding:12px}.stat-icon{width:36px;height:36px}.stat-body strong{font-size:19px}.device-panel{display:block}.activity-block{border-top:1px solid #e8eef6;border-left:0}.task-drawer{border-top:1px solid var(--border);border-left:0;border-radius:16px 16px 0 0;width:100%;max-height:92vh;top:auto}.drawer-header{min-height:66px;padding:0 18px}.drawer-form{padding:16px 16px calc(16px + env(safe-area-inset-bottom))}.drawer-footer{padding:12px 16px calc(12px + env(safe-area-inset-bottom));border-top:1px solid var(--border);background:#fffffff5;margin:0 -16px -16px;position:sticky;bottom:-1px}.toast{max-width:calc(100vw - 28px);bottom:14px;right:14px}.device-setup-backdrop{align-items:end;padding:0}.device-setup-dialog{border-bottom:0;border-right:0;border-radius:16px 16px 0 0;width:100%;max-height:94vh}.device-setup-header{min-height:92px;padding:18px 18px 15px}.device-setup-header h2{font-size:18px}.device-setup-body{display:block}.setup-checklist{border-right:0;border-bottom:1px solid var(--border);gap:4px;padding:10px 12px;display:flex;overflow-x:auto}.setup-checklist li{grid-template-columns:24px minmax(0,1fr);min-width:145px;padding:8px}.setup-checklist li small{white-space:nowrap}.device-setup-form{padding:18px 16px 20px}.setup-fields-three{grid-template-columns:1fr}.setup-fields-three .field-label:last-child{grid-column:auto}.setup-choice-grid{grid-template-columns:1fr}.device-setup-footer{padding:12px 16px calc(12px + env(safe-area-inset-bottom));background:#fffffff5;margin:0 -16px -20px;position:sticky;bottom:-1px}.device-setup-footer .button{flex:1;min-width:0;padding:0 8px}.auth-panel{padding:26px 20px}}@media (prefers-reduced-motion:reduce){*,:before,:after{scroll-behavior:auto!important;transition-duration:.01ms!important;animation-duration:.01ms!important;animation-iteration-count:1!important}}