:root{font-family:PingFang SC,Microsoft YaHei,system-ui,sans-serif;color:#1f2329;background:#f7f8fa;font-size:14px;line-height:1.55;font-synthesis:none;--blue:#3B82F6;--line:#E9EDF2;--muted:#8B98AA;--ease-out:cubic-bezier(.23,1,.32,1)}button,input,select{font:inherit}button{cursor:pointer;background:transparent;border:0;color:inherit}button:disabled{opacity:.4;cursor:default}button svg{flex-shrink:0}svg{vertical-align:middle}h1,h2,h3,p{margin:0}h1,h2,h3{font-weight:600}h3{font-size:14px}a{color:inherit}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible{outline:2px solid #3B82F6;outline-offset:3px}select{height:34px;border:1px solid #E1E7EF;border-radius:7px;background:#fff;padding:0 10px;color:#718199;font-size:13px;max-width:100%}.primary,.secondary{height:34px;display:inline-flex;align-items:center;justify-content:center;gap:7px;padding:0 12px;border-radius:7px;white-space:nowrap;font-size:13px;font-weight:500}.primary{background:#3b82f6;border:1px solid #3B82F6;color:#fff}.secondary{background:#fff;border:1px solid #E2E8F1;color:#6c7c93}.icon-button{height:32px;width:32px;display:inline-flex;align-items:center;justify-content:center;color:#8c9aaf;border-radius:7px}.text-button{display:inline-flex;align-items:center;gap:4px;color:#8ea1bd;font-size:11px;white-space:nowrap;padding:5px 0}.app-shell{display:grid;grid-template-columns:184px minmax(0,1fr);min-height:100vh}.sidebar{position:sticky;top:0;height:100dvh;background:#fff;border-right:1px solid var(--line);padding:26px 14px 16px;display:flex;flex-direction:column}.brand{display:flex;align-items:center;gap:9px;text-decoration:none;font-size:21px;font-weight:600;letter-spacing:1px;padding:0 9px 24px}.brand-symbol{width:37px;height:39px;border:1px solid #DFEAFB;background:#f0f6ff;border-radius:10px;display:grid;place-items:center;color:#3b82f6}.brand small{font-size:10px;color:#97a3b5;letter-spacing:2px;font-weight:400;display:block;line-height:1.3;margin-top:2px}.class-switch{display:flex;justify-content:space-between;align-items:center;padding:9px 10px;border:1px solid #EDF1F6;background:#f8fafc;border-radius:7px;margin-bottom:24px;font-size:12px}.small-tag{font-size:10px;color:#a6b0be}.nav-label{color:#a6b0bf;font-size:10px;letter-spacing:1px;padding:0 10px 9px}.nav-item{display:flex;align-items:center;gap:10px;width:100%;height:38px;border-radius:7px;padding:0 10px;margin-bottom:5px;color:#768498;font-size:13px;text-align:left;position:relative}.nav-item>svg{height:17px;width:17px;stroke-width:1.65}.nav-item.active{color:#3b82f6;background:#edf4ff;font-weight:500}.nav-item.active:before{content:"";position:absolute;left:-14px;top:9px;width:3px;height:20px;background:#3b82f6;border-radius:0 3px 3px 0}.nav-dot{height:4px;width:4px;background:#3b82f6;border-radius:50%;margin-left:auto}.nav-count{font-size:11px;color:#a1adbd;margin-left:auto}.soon-tag{font-size:9px;color:#a6b1bf;background:#f4f6fa;border-radius:3px;padding:1px 3px;margin-left:auto}.sidebar-note{display:flex;gap:9px;font-size:11px;color:#a2aebf;border-top:1px solid #F0F3F8;margin:20px 8px;padding-top:18px}.sidebar-note svg{margin-top:3px}.sidebar-note small{display:block;font-size:10px;color:#b3bccc;margin-top:4px}.sidebar-bottom{margin-top:auto}.teacher-account{display:flex;align-items:center;gap:8px;border-top:1px solid var(--line);padding:17px 3px 0;font-size:12px}.teacher-account>span{flex:1}.teacher-account small{display:block;font-size:10px;color:#a6b0bf}.teacher-account>svg:last-child{color:#b0b9c6}.avatar-svg{overflow:visible;flex-shrink:0}.avatar-facing .face{opacity:1!important}.avatar-facing .sleep-mark{display:none}.app-main{min-width:0}.topbar{height:59px;padding:0 28px;background:#ffffffc9;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between}.breadcrumb{display:flex;gap:13px;align-items:center;color:#a2acba;font-size:12px}.breadcrumb span{color:#d0d8e4}.breadcrumb b{font-weight:400;color:#718097}.topbar-actions{display:flex;gap:16px;align-items:center}.prototype-badge{display:inline-flex;gap:6px;align-items:center;color:#7696c4;border:1px solid #E4ECF8;background:#fafcff;padding:3px 8px;border-radius:5px;font-size:11px}.prototype-badge>span{width:4px;height:4px;border-radius:50%;background:#8bb1e7}.local-state{display:flex;gap:5px;align-items:center;color:#a3aebd;font-size:11px}.workspace{display:grid;grid-template-columns:minmax(0,1fr)252px;gap:24px;padding:25px 28px 0;max-width:1700px;margin:auto}.classroom-column{min-width:0}.page-heading{display:flex;align-items:center;justify-content:space-between;gap:10px;min-height:76px;margin-bottom:19px}.heading-eyebrow{font-size:10px;letter-spacing:1px;color:#a4afbf;margin-bottom:5px}h1{font-size:22px;line-height:1.4;letter-spacing:.3px}h1 span{font-size:13px;font-weight:400;color:#a4afbf;margin-left:7px;padding-left:12px;border-left:1px solid #DCE3EE}.page-heading p{font-size:11px;color:#a8b2c0;margin-top:5px}.heading-actions{display:flex;gap:8px;align-items:center}.mobile-lab-button{display:none}.classroom-panel{background:#fff;border:1px solid #E5EAF1;border-radius:12px;box-shadow:0 4px 14px #1f232906;overflow:hidden}.mode-toolbar{height:47px;padding:0 18px;display:flex;gap:12px;align-items:center;justify-content:space-between;border-bottom:1px solid #F0F3F8}.mode-description{min-width:0;display:flex;align-items:center;gap:7px;font-size:11px;color:#8a99af}.mode-description>span:last-child{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.mode-marker{height:4px;width:4px;background:#91b6eb;border-radius:50%;flex-shrink:0}.quiet-label{font-size:10px;color:#b0b9c7;white-space:nowrap}.mode-toolbar select{height:28px;font-size:11px}.scene-container{padding:9px 7px 0;background:#fafbfc;position:relative;-webkit-user-select:none;user-select:none;overflow:hidden}.seating-mode{touch-action:none}.classroom-svg{width:100%;height:auto;display:block;overflow:visible}.classroom-svg text{font-family:inherit;pointer-events:none}.classroom-svg .student-name{font-size:16px;font-weight:500}.seat{cursor:pointer;outline:none}.seat-hit{pointer-events:all;transition:fill .125s,stroke .125s}.seat .desk,.seat .student,.seat .student-name{pointer-events:none}.seat:focus-visible .seat-hit{fill:#3b82f608;stroke:#3b82f6;stroke-width:2;stroke-dasharray:4 3}.seat .student{transition:opacity .2s}.seat.ghost .student{opacity:.16}.seat.dim .student,.seat.dim .desk,.seat.dim .student-name{opacity:.35}.seat.is-selected .seat-hit{fill:#3b82f60d;stroke:#3b82f6;stroke-width:2}.seat.is-drop-target .seat-hit{fill:#3b82f618;stroke:#3b82f6;stroke-width:1.5;stroke-dasharray:5 4}.seat.is-dragging{opacity:.35}.person .face{opacity:0;transition:opacity .18s}.person .head{transform-origin:0px 12px;transition:transform .25s cubic-bezier(.3,1.4,.6,1)}.person .arm{opacity:0;transform:translateY(16px) scaleY(.3);transform-origin:14px 16px;transition:opacity .2s,transform .3s cubic-bezier(.3,1.4,.6,1)}.person .sleep-mark{opacity:0}.is-facing .face{opacity:1}.is-facing .head{transform:translateY(-3px)}.is-hand .arm,.teacher.is-pointing .arm{opacity:1;transform:none}.teacher .face{opacity:1}.is-sleep .head{transform:translateY(4px) rotate(-10deg)}.is-sleep .sleep-mark{opacity:1;animation:sleep-float 2.2s ease-in-out infinite}.empty-mark{opacity:0;transition:opacity .15s}.seat:focus-visible .empty-mark{opacity:1}.speaker-button{cursor:pointer;outline:none}.speaker-button:focus-visible>rect:first-of-type{stroke:#3b82f6;stroke-width:2}.attendance-label rect{fill:#fff1d7;stroke:#f3ddaa}.attendance-label text{fill:#ab7a27}.attendance-label.blue rect{fill:#e9f2ff;stroke:#bcd5f6}.attendance-label.blue text{fill:#3b7bce}.attendance-label.red rect{fill:#fdedec;stroke:#f1c1bd}.attendance-label.red text{fill:#be5e57}.seat-tag rect{fill:#eef2f8;stroke:#dce4ef}.seat-tag text{fill:#61758f;font-weight:600}.seat-tag.up rect{fill:#ebf5f1;stroke:#bbd8cb}.seat-tag.up text{fill:#4a8f75}.seat-tag.down rect{fill:#fceeeb;stroke:#edc3bb}.seat-tag.down text{fill:#bf7164}.classroom-bottom{height:61px;display:flex;align-items:center;justify-content:space-between;gap:14px;padding:0 20px;border-top:1px solid #EEF1F6}.mode-tabs{display:flex;gap:4px;background:#f5f7fa;border:1px solid #EDF1F6;border-radius:9px;padding:3px}.mode-tabs button{height:32px;display:flex;align-items:center;justify-content:center;gap:6px;padding:0 12px;color:#8d99ab;font-size:12px;border-radius:6px;white-space:nowrap}.mode-tabs button.selected{background:#fff;color:#347dec;box-shadow:0 1px 5px #243f6d0c;font-weight:500}.classroom-caption{font-size:10px;letter-spacing:.6px;color:#b3bdca}.grade-legend{display:flex;align-items:center;gap:6px;font-size:10px;color:#a0aec0}.grade-legend>div{display:flex;gap:2px}.grade-legend i{width:13px;height:8px;border-radius:2px}.below-note{display:flex;align-items:center;justify-content:space-between;gap:8px;font-size:10px;color:#a5b1c2;padding:12px 1px}.below-note>span{display:flex;gap:5px;align-items:center}.below-note .text-button{font-size:10px}.app-footer{display:flex;justify-content:space-between;max-width:1700px;margin:15px auto 0;padding:0 28px 20px;font-size:10px;letter-spacing:.5px;color:#b9c2cf}.right-rail{padding-top:6px;min-width:0}.rail-title{display:flex;align-items:center;justify-content:space-between;min-height:64px;margin-bottom:23px}.rail-title small{font-size:10px;color:#a6b1c1}.rail-title h2{font-size:18px;margin-top:4px}.rail-title h2 span{font-size:12px;font-weight:400;color:#a1afc2;margin-left:6px}.date-icon{color:#bdcade;border:1px solid #E6ECF5;width:37px;height:37px;border-radius:50%;display:grid;place-items:center;background:#fcfdff}.rail-card{border:1px solid #E7ECF3;border-radius:11px;padding:17px;background:#fff;margin-bottom:15px;box-shadow:0 3px 10px #253f6302}.section-heading{display:flex;align-items:center;justify-content:space-between;gap:7px}.section-heading h3{font-size:12px;font-weight:500;color:#64758f;display:flex;align-items:center;gap:6px}.section-heading>svg{color:#acbcd2}.subtle-chip{font-size:9px;background:#f8fafd;border-radius:4px;padding:2px 6px;color:#a8b4c5}.subtle-chip.blue{background:#f2f7ff;color:#85a2cb}.attendance-total{display:flex;align-items:baseline;justify-content:space-between;margin-top:16px}.attendance-total strong{font-size:31px;font-weight:600;color:#415675;line-height:1.2;letter-spacing:-.8px;font-variant-numeric:tabular-nums}.attendance-total small{font-size:14px;font-weight:400;color:#b0bed1;letter-spacing:0;margin-left:5px}.attendance-total>span{font-size:10px;color:#aab6c7}.attendance-track{height:5px;display:flex;gap:2px;overflow:hidden;border-radius:3px;margin-top:13px;background:#f2f6fc}.attendance-track i{background:#8eb2e6}.attendance-track .late{background:#b6ccee}.attendance-track .leave{background:#eac98c}.attendance-track .absent{background:#daa5a0}.attendance-breakdown{display:flex;justify-content:space-between;margin-top:11px;color:#a2b0c3;font-size:10px}.attendance-breakdown>span{display:flex;align-items:center;gap:4px}.attendance-breakdown b{font-weight:400;color:#8296b3}.dot{width:4px;height:4px;border-radius:50%;display:inline-block}.dot.amber{background:#dbb56c}.dot.red{background:#d7a5a0}.dot.blue{background:#9ebce4}.setting-row{display:flex;align-items:center;justify-content:space-between;gap:10px;padding-top:16px;font-size:12px;color:#7689a4}.setting-row small{display:block;font-size:10px;color:#acb8ca;margin-top:3px}.switch{width:30px;min-width:30px;height:18px;position:relative;display:inline-block;cursor:pointer}.switch input{position:absolute;opacity:0;width:100%;height:100%;margin:0;cursor:pointer}.switch>span{display:block;width:30px;height:18px;background:#dfe6f0;border-radius:12px;pointer-events:none;transition:background .15s}.switch>span:before{content:"";position:absolute;width:12px;height:12px;left:3px;top:3px;border-radius:50%;background:#fff;transition:transform .15s var(--ease-out)}.switch input:checked+span{background:#78a7ee}.switch input:checked+span:before{transform:translate(12px)}.switch input:focus-visible+span{outline:2px solid #3B82F6;outline-offset:3px}.switch.disabled{opacity:.5}.lab-divider{height:1px;background:#f0f4fa;margin:17px 0 14px}.field-label{display:block;font-size:10px;color:#a5b3c7;margin-bottom:7px}.lab-card select{width:100%;height:32px;font-size:12px}.pose-buttons{display:grid;grid-template-columns:1fr 1fr 1.25fr;gap:5px;margin-top:9px}.pose-buttons button{height:32px;padding:0 3px;font-size:10px;display:flex;align-items:center;justify-content:center;gap:4px;border:1px solid #E5EBF4;border-radius:6px;background:#fcfdff;color:#8b9db8}.reduced-setting{margin-top:15px;padding-top:15px;border-top:1px solid #F0F4FA}.try-card{background:#f0f5fe;border-color:#e7effb;box-shadow:none}.try-card .section-heading h3{color:#7f9ac3}.try-card p{font-size:11px;line-height:1.8;color:#93a8c5;margin-top:8px}.activity-section{padding:7px 5px}.activity-live{font-size:9px;color:#b3bfd0}.activity-list{list-style:none;margin:14px 0 0;padding:0}.activity-list li{display:flex;gap:10px;padding-bottom:12px;position:relative}.activity-list li:not(:last-child):after{content:"";position:absolute;left:2px;top:12px;bottom:1px;width:1px;background:#e2eaf5}.activity-list li>i{width:5px;height:5px;background:#c4d0e0;border-radius:50%;flex-shrink:0;margin-top:7px}.activity-list li>i.current{background:#7faae8;box-shadow:0 0 0 3px #e8f0fc}.activity-list p{font-size:10px;line-height:1.8;color:#9baec8}.activity-list time{display:block;font-size:9px;color:#becddf;margin-top:1px}.rail-footnote{display:flex;gap:7px;line-height:1.8;font-size:9px;color:#afbed2;padding:9px 5px 0}.rail-footnote>svg{margin-top:2px;flex-shrink:0}.hover-card{position:fixed;inset:auto;margin:0;width:296px;max-width:calc(100vw - 24px);padding:18px;border:1px solid #E4EBF6;border-radius:13px;background:#fff;box-shadow:0 12px 38px #253d6420;color:#45607f;animation:card-in .15s var(--ease-out)}.hover-card-head{display:flex;align-items:center;gap:11px}.hover-card-head strong{font-size:16px;font-weight:600}.hover-card-head p{font-size:10px;color:#a1b2ca;margin:3px 0 4px;white-space:nowrap}.status-text{font-size:10px;color:#95a7c2;display:flex;align-items:center;gap:5px}.status-text>i{width:4px;height:4px;background:#a6bdd9;border-radius:50%}.status-text.amber{color:#b8944a}.status-text.red{color:#c4877b}.status-text.blue{color:#7c9bc9}.student-intro{font-size:12px;line-height:1.7;color:#91a4c0;margin-top:13px;padding:13px 0;border-top:1px solid #EEF3FA}.hover-stats{display:grid;grid-template-columns:repeat(3,1fr);text-align:center;background:#f7fafe;border-radius:7px;padding:10px 2px}.hover-stats b{display:block;font-size:14px;font-weight:500;color:#6680a5}.hover-stats span{display:block;font-size:9px;color:#a9bad1;margin-top:3px}.hover-actions{display:flex;gap:7px;margin-top:13px}.hover-actions button{flex:1;font-size:11px}.drag-ghost{position:fixed;top:0;left:0;width:60px;height:68px;pointer-events:none;z-index:60;will-change:transform}.drag-ghost .avatar-svg{background:#fff;border-radius:50%;box-shadow:0 10px 24px #253d6426}.drag-ghost span{display:block;text-align:center;font-size:10px;color:#7c98bd;background:#ffffffeb;padding:2px 4px;border-radius:4px;white-space:nowrap;margin-top:4px}.points-feedback{position:absolute;left:50%;top:35%;display:flex;align-items:center;gap:6px;white-space:nowrap;font-size:12px;color:#7699ca;background:#fff;border:1px solid #DFEBFC;box-shadow:0 5px 20px #3b82f618;border-radius:10px;padding:9px 14px;pointer-events:none;animation:point-feedback 1.1s var(--ease-out) both}.points-feedback strong{font-size:20px;color:#3b82f6}.points-feedback>span{font-size:10px;color:#b0c1d9}.pick-result{position:absolute;top:17%;left:50%;transform:translate(-50%);padding:11px 12px;background:#fff;border:1px solid #E0EAF8;border-radius:12px;box-shadow:0 8px 28px #253d6416;display:flex;gap:13px;align-items:center;white-space:nowrap}.pick-result small{display:block;color:#a4b8d2;font-size:10px}.pick-result strong{display:block;font-size:18px;color:#5275a3;font-weight:600}.pick-result .primary{font-size:11px;height:30px}.seat.is-picked .seat-hit{fill:#3b82f618;stroke:#3b82f6;stroke-width:2}.feedback{position:fixed;bottom:24px;left:calc(50% + 70px);transform:translate(-50%,6px);opacity:0;pointer-events:none;display:flex;align-items:center;gap:8px;font-size:12px;color:#7c9ac3;background:#fffffff7;border:1px solid #DCE8F7;border-radius:9px;box-shadow:0 5px 24px #243d6415;padding:10px 16px;z-index:100;transition:opacity .15s,transform .15s var(--ease-out);max-width:90vw;white-space:nowrap}.feedback.visible{opacity:1;transform:translate(-50%)}.detail-dialog{width:460px;max-width:calc(100vw - 32px);max-height:85dvh;padding:0 24px 24px;border:1px solid #E3EBF6;border-radius:14px;background:#fff;box-shadow:0 20px 75px #20365020;color:#637eaa;overflow:auto}.detail-dialog::backdrop{background:#26374f33;-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px)}.detail-dialog[open]{animation:dialog-in .18s var(--ease-out)}.dialog-top{height:58px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid #EDF3FC;margin-bottom:23px;font-size:13px;color:#8ca4c7}.dialog-top .icon-button{margin-right:-7px}.profile-head{display:flex;align-items:center;gap:15px;margin-bottom:22px}.profile-head h2{font-size:22px;color:#4e709f}.profile-head p{font-size:11px;color:#a3b7d5;margin-top:5px}.profile-data{display:grid;grid-template-columns:repeat(3,1fr);background:#f5f9ff;border-radius:9px;padding:17px 0;text-align:center;margin-bottom:23px}.profile-data small{display:block;font-size:10px;color:#aac0dd}.profile-data b{display:block;font-size:17px;font-weight:500;color:#7191bd;margin-top:4px}.detail-dialog h3{font-size:12px;margin-bottom:9px}.dialog-muted{font-size:12px;color:#9bb2d2;line-height:1.9}.profile-record{display:flex;gap:10px;border:1px solid #EEF4FD;border-radius:9px;background:#fafcff;padding:13px;margin-top:18px;color:#a0badd;font-size:11px}.profile-record b{color:#82a2cd;font-weight:500}.profile-record p{font-size:10px;color:#adc3e0;margin-top:4px}.dialog-actions{display:flex;gap:9px;justify-content:flex-end;margin-top:24px}.point-reasons{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:20px}.point-reasons button{padding:12px;display:flex;justify-content:space-between;border:1px solid #E1ECFC;border-radius:8px;background:#f0f6ff;color:#84a6d8;font-size:12px}.point-reasons button.negative{background:#fcf2f0;border-color:#f4e3de;color:#c38d7e}.roster-list>button{width:100%;padding:10px 0;display:flex;gap:10px;align-items:center;text-align:left;border-bottom:1px solid #EEF4FC}.roster-list>button>span:nth-child(2){flex:1;font-size:12px;color:#7899c5}.roster-list small{display:block;font-size:10px;color:#adc5e5}.roster-status{font-size:10px;color:#9ab3d5}.roster-status.amber{color:#c1a05a}.roster-status.blue{color:#7c9bc9}.roster-status.red{color:#c4877b}.empty-dialog{text-align:center;padding:9px 3px 8px}.feature-icon{display:grid;place-items:center;height:63px;width:63px;border-radius:18px;color:#82aced;background:#eff6ff;margin:0 auto 18px}.empty-dialog h2{font-size:20px;font-weight:500;color:#6e91bf}.empty-dialog p{font-size:12px;line-height:1.9;color:#a1badd;max-width:320px;margin:14px auto 20px}.planned-flow{display:flex;gap:11px;align-items:center;justify-content:center;font-size:11px;color:#a9c2e4;margin:20px 0 26px}.help-content p{font-size:12px;color:#9ab5da;line-height:1.9}.help-content ul{padding-left:18px;font-size:12px;color:#a0badc;line-height:1.95;margin:18px 0}.help-content li{margin-bottom:9px}.help-content b{font-weight:500;color:#7699c7}.help-content>.primary{display:flex;margin:20px 0 0 auto}@keyframes sleep-float{0%,to{transform:translateY(0);opacity:.9}50%{transform:translateY(-4px);opacity:.5}}@keyframes card-in{0%{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}@keyframes dialog-in{0%{opacity:0;transform:translateY(5px)}to{opacity:1;transform:none}}@keyframes point-feedback{0%{opacity:0;transform:translate(-50%)}15%{opacity:1}to{opacity:0;transform:translate(-50%,-38px)}}@media(hover:hover)and (pointer:fine){.primary:hover{background:#2c72e2}.secondary:hover,.icon-button:hover,.nav-item:not(.active):hover{background:#f3f7fc}.text-button:hover{color:#3b82f6}.pose-buttons button:hover{background:#eff6ff;border-color:#d9e8fe}.seat:hover .face{opacity:1}.seat:hover .head{transform:translateY(-3px)}.seat.ghost:hover .student{opacity:.35}.seat:hover .seat-hit{fill:#3b82f605}.seat.empty:hover .empty-mark{opacity:1}.speaker-button:hover>rect:first-of-type{fill:#d5e3f6}}.reduce-motion .person .head,.reduce-motion .person .arm{transition:opacity .15s;transform:none!important}.reduce-motion .sleep-mark{animation:none!important;opacity:0!important}.reduce-motion .hover-card,.reduce-motion .detail-dialog[open]{animation:none}.reduce-motion .points-feedback{animation:none;transform:translate(-50%)}.reduce-motion .feedback{transform:translate(-50%)}@media(prefers-reduced-motion:reduce){.person .head,.person .arm{transition:opacity .15s;transform:none!important}.sleep-mark{animation:none!important;opacity:0!important}.hover-card,.detail-dialog[open],.points-feedback{animation:none}.points-feedback{transform:translate(-50%)}.switch>span:before{transition:none}}@media(min-width:1600px){.workspace{grid-template-columns:minmax(0,1fr)270px;gap:28px;padding:30px 36px 0}.app-shell{grid-template-columns:200px minmax(0,1fr)}.scene-container{padding:14px 12px 0}.classroom-svg{max-height:calc(100dvh - 300px);min-height:490px}}@media(max-width:1180px){.app-shell{grid-template-columns:68px minmax(0,1fr)}.sidebar{padding:22px 10px 14px;align-items:center}.brand{padding:0 0 24px}.brand>span:last-child,.class-switch,.nav-label,.nav-item>span,.sidebar-note,.teacher-account>span,.teacher-account>svg:last-child{display:none}.nav-item{font-size:0;width:43px;justify-content:center;padding:0}.nav-item>svg{width:19px;height:19px}.nav-item.active:before{left:-12px}.sidebar-bottom{width:100%}.teacher-account{justify-content:center}.workspace{gap:18px;padding:20px 22px 0;grid-template-columns:minmax(0,1fr)228px}.rail-card{padding:14px}.topbar{padding:0 22px}.heading-eyebrow{display:none}.page-heading h1{font-size:20px}.heading-actions{gap:5px}.heading-actions .primary,.heading-actions .secondary{font-size:11px;padding:0 8px}.mode-toolbar{padding:0 12px}.quiet-label,.classroom-caption,.grade-legend{display:none}.mode-description{font-size:10px}.classroom-bottom{padding:0 11px;justify-content:center}.mode-tabs button{padding:0 9px;font-size:11px;gap:4px}.below-note{font-size:9px}.pose-buttons{gap:3px}.pose-buttons button{font-size:9px;gap:2px}.feedback{left:50%}}@media(max-width:950px){.workspace{grid-template-columns:minmax(0,1fr)}.right-rail{display:none}.right-rail.mobile-open{display:grid;grid-template-columns:1fr 1fr;gap:15px;padding:0}.right-rail.mobile-open .rail-card{margin:0}.right-rail.mobile-open .rail-title,.right-rail.mobile-open .activity-section,.right-rail.mobile-open .rail-footnote{display:none}.right-rail.mobile-open .try-card{grid-column:1/-1}.mobile-lab-button{display:inline-flex}.scene-container{padding:6px 14px 0}.page-heading{margin-bottom:14px}.heading-eyebrow{display:block}.classroom-bottom{justify-content:space-between;padding:0 20px}.classroom-caption{display:block}.mode-tabs button{padding:0 13px}.classroom-svg{max-height:calc(100dvh - 285px);min-height:450px}}@media(max-width:600px){.app-shell{display:block}.sidebar{position:relative;width:100%;height:56px;flex-direction:row;justify-content:space-between;border-right:0;border-bottom:1px solid #E9EDF2;padding:0 16px}.brand{padding:0;font-size:17px;gap:7px}.brand-symbol{height:29px;width:29px;border-radius:8px}.brand-symbol svg{height:19px}.brand>span:last-child{display:block}.brand small{display:none}.sidebar nav{display:flex;gap:2px}.nav-item{height:34px;width:34px;margin:0}.nav-item.active:before,.sidebar-bottom{display:none}.topbar{height:40px;padding:0 17px;background:#f7f8fa}.breadcrumb{font-size:10px;gap:8px}.topbar-actions{gap:7px}.local-state{display:none}.topbar .icon-button{height:26px;width:26px}.prototype-badge{font-size:9px;padding:2px 6px}.workspace{padding:13px 12px 0;gap:12px}.page-heading{min-height:69px;margin:0 3px 12px;gap:5px}.heading-eyebrow{font-size:9px;margin-bottom:3px}.page-heading h1{font-size:20px}.page-heading h1 span{font-size:11px;margin-left:3px;padding-left:7px}.page-heading p{font-size:9px}.heading-actions .secondary{font-size:0;width:32px;height:36px;padding:0}.heading-actions .secondary svg{width:16px}.heading-actions .primary{font-size:11px;height:36px;padding:0 9px;gap:4px}.heading-actions .icon-button{width:28px;height:36px}.classroom-panel{border-radius:10px}.mode-toolbar{height:auto;min-height:45px;padding:10px 12px}.mode-description{font-size:10px;line-height:1.5}.mode-description>span:last-child{white-space:normal;max-width:230px}.mode-toolbar select{min-width:83px;padding:0 5px;font-size:10px}.scene-container{padding:8px 0 2px;overflow:auto}.classroom-svg{min-width:520px;width:520px;max-height:none;min-height:0;aspect-ratio:1000/805}.scene-container:after{content:"左右滑动可查看完整教室";position:sticky;display:block;left:12px;bottom:0;color:#a8b9d1;background:#f8fafceb;font-size:9px;width:max-content;padding:4px 12px;border-radius:4px;margin-left:10px;pointer-events:none}.classroom-bottom{height:62px;padding:8px;justify-content:center}.mode-tabs{width:100%;gap:1px;justify-content:space-between;padding:3px}.mode-tabs button{flex:1;height:40px;padding:0 9px;font-size:11px;flex-direction:column;gap:2px}.mode-tabs svg{height:14px;width:14px}.classroom-caption{display:none}.below-note{padding:11px 3px;font-size:9px;align-items:flex-start}.below-note>span{max-width:245px;align-items:flex-start;line-height:1.6}.below-note svg{flex-shrink:0;margin-top:1px}.below-note .text-button{font-size:9px}.right-rail.mobile-open{display:block}.right-rail.mobile-open .overview,.right-rail.mobile-open .try-card{display:none}.right-rail.mobile-open .rail-card{margin-bottom:12px;padding:17px}.lab-card .section-heading h3{font-size:14px}.setting-row{font-size:13px;padding:12px 0}.setting-row small{font-size:11px}.switch{min-width:36px;width:36px;height:22px}.switch>span{width:36px;height:22px}.switch>span:before{width:16px;height:16px}.switch input:checked+span:before{transform:translate(14px)}.switch input{height:44px;top:-11px}.lab-card select{height:40px;font-size:14px}.field-label{font-size:12px}.pose-buttons{gap:8px;margin-top:10px}.pose-buttons button{height:44px;font-size:12px;gap:6px}.app-footer{padding:0 16px 18px;font-size:8px;margin-top:10px}.feedback{font-size:11px;white-space:normal;max-width:calc(100vw - 24px);bottom:15px;width:max-content}.detail-dialog{padding:0 19px 21px}.detail-dialog .primary,.detail-dialog .secondary,.point-reasons button{min-height:44px}.pick-result{gap:7px;padding:8px;left:51%;top:14%}.pick-result .primary{font-size:9px;padding:0 7px}.pick-result strong{font-size:15px}.pick-result .avatar-svg{height:32px;width:32px}.pick-result .icon-button{width:24px}.points-feedback{font-size:10px;padding:7px 9px;gap:4px}.points-feedback>span{display:none}}*{box-sizing:border-box}body{margin:0;min-width:320px;min-height:100vh;-webkit-font-smoothing:antialiased}.mobile-prototype{width:min(100vw,390px);height:min(100dvh,844px);margin-inline:auto;overflow:hidden;position:relative}.nav-item{color:#646b75}.nav-item.active{color:#347dec}.mode-description{color:#748094}.section-heading h3{color:#536074;font-size:13px}.setting-row{font-size:13px;color:#646b75}.setting-row small{color:#8f9bad}.field-label{font-size:11px;color:#8490a3}.lab-card select{font-size:13px}.pose-buttons button{font-size:11px;color:#6e7e95}.try-card p{font-size:12px;color:#7388a7}.activity-list p{font-size:11px;color:#7a8aa2}.hover-card{color:#34445b}.hover-card-head p{color:#8593a8}.student-intro{font-size:13px;color:#687a92}.hover-stats b{color:#526a8c}.hover-stats span{font-size:10px;color:#8b9bb2}.hover-actions button{font-size:12px}.detail-dialog{color:#52657f}.dialog-top{color:#77899f}.profile-head h2{color:#3e5575}.profile-head p{color:#8d9db3}.dialog-muted,.empty-dialog p,.help-content p{font-size:13px;color:#74869f}.profile-data small{color:#8d9fb8}.profile-data b{color:#587399}.help-content ul{font-size:13px;color:#74869f}.help-content b{color:#4d678c}.empty-dialog h2{color:#506c93}.roster-list>button>span:nth-child(2){font-size:13px;color:#637993}.is-picking .seat.occupied:not(.is-picked){opacity:.4}@media(max-width:600px){.sidebar{height:60px}.nav-item{height:44px;width:36px}.heading-actions .primary,.heading-actions .secondary,.heading-actions .icon-button,.mode-tabs button{height:44px}.classroom-bottom{height:66px}.pose-buttons button{font-size:12px}.grade-legend{display:flex;position:absolute;bottom:72px;right:12px;background:#ffffffea;padding:5px;border-radius:5px}}@media(min-width:951px){.classroom-svg{max-height:calc(100dvh - 350px);min-height:440px}}.topbar,.page-heading{-webkit-user-select:none;user-select:none}.card-preview-button{margin-top:10px;font-size:11px;color:#6b8fbf}.right-rail.mobile-open .try-card{display:block}.mobile-view-switch,.mobile-student-list{display:none}@media(max-width:600px){.mobile-view-switch{display:flex;gap:8px;padding:8px 12px;border-bottom:1px solid #EDF1F6;background:#fbfcfe}.mobile-view-switch button{display:flex;align-items:center;justify-content:center;gap:7px;min-height:44px;flex:1;font-size:12px;color:#8290a5;border-radius:7px}.mobile-view-switch button.active{background:#edf4ff;color:#347dec}.mobile-list-view .scene-container,.mobile-canvas-view .mobile-student-list{display:none}.mobile-list-view .mobile-student-list{display:grid;grid-template-columns:1fr 1fr;gap:8px;padding:12px;background:#fafbfd}.mobile-student{height:80px;display:flex;align-items:center;gap:7px;padding:10px 8px;text-align:left;border:1px solid #E7ECF3;border-left:3px solid #E7ECF3;border-radius:8px;background:#fff;min-width:0}.mobile-student>span{min-width:0;flex:1}.mobile-student strong{display:block;font-size:13px;font-weight:500;white-space:nowrap;color:#4d607c}.mobile-student small{display:block;font-size:10px;color:#96a5ba;margin-top:4px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.mobile-student em{font-size:9px;font-style:normal;color:#92a6c4;white-space:nowrap}.mobile-student em.amber{color:#bc9852}.mobile-student em.red{color:#bf807a}.mobile-student.chosen{border-color:#87b3f5;background:#f2f7ff}.mobile-student.no-grade{opacity:.55}.classroom-bottom{position:sticky;bottom:0;z-index:4;background:#fff}.mobile-canvas-view .classroom-svg{width:800px;min-width:800px}.heading-actions .secondary,.heading-actions .icon-button{width:44px;min-width:44px}.heading-actions .primary{font-size:10px;padding:0 7px}.page-heading h1{font-size:19px}.page-heading h1 span{display:none}.page-heading p{font-size:9px;max-width:150px}.heading-eyebrow{font-size:8px}.mobile-list-view .grade-legend{display:none}}@media(min-width:601px)and (max-width:950px){.mobile-lab-button{width:auto;padding:0 9px;gap:5px;font-size:11px}}@media(max-width:600px){.mobile-lab-button>span{display:none}.page-heading h1{font-size:20px}}@media(max-width:600px){.classroom-bottom{position:fixed;bottom:12px;left:12px;right:12px;height:64px;border:1px solid #E1E8F3;border-radius:12px;box-shadow:0 4px 22px #233a6017;z-index:30}.app-main{padding-bottom:78px}.below-note{padding-top:14px}}.brand{font-size:20px;letter-spacing:0}.topbar{height:44px}.workspace{max-width:none;padding:12px 20px 0;gap:20px}.page-heading.compact-heading{min-height:30px;height:30px;margin:0 0 8px;display:flex;align-items:center}.compact-heading h1{font-size:20px;line-height:30px}.compact-heading .class-inline-count{font-size:11px;line-height:1;color:#96a3b5;font-weight:400;margin-left:10px;padding-left:12px}.classroom-panel{display:flex;flex-direction:column;height:calc(100dvh - 146px);min-height:570px}.mode-toolbar{height:40px;min-height:40px;flex-shrink:0;padding:0 14px;gap:12px}.mode-description{flex:1}.toolbar-actions{gap:6px;margin-left:auto;flex-shrink:0}.toolbar-actions .primary,.toolbar-actions .secondary{height:30px;font-size:12px;padding:0 10px}.classroom-panel .scene-container{flex:1;min-height:0;height:auto;padding:4px 5px 0}.classroom-panel .classroom-svg{width:100%;height:100%;max-height:none;min-height:0}.classroom-svg .student-name{font-size:14.5px}.classroom-bottom{height:52px;min-height:52px;flex-shrink:0;position:static;padding:0 14px}.below-note{padding:8px 1px;font-size:10px}.app-footer{margin-top:5px;padding-bottom:10px}.rail-title{min-height:40px;margin-bottom:16px}.rail-title h2{font-size:17px}.right-rail{padding-top:0}.seat.batch-scope .seat-hit{fill:#3b82f608;stroke:#aac7ef;stroke-width:1;stroke-dasharray:4 4}.seat.batch-scope.is-selected .seat-hit{stroke:#3b82f6;stroke-width:2;stroke-dasharray:none}.seat-batch-tools{display:flex;align-items:center;flex-wrap:wrap;gap:7px 12px;padding:9px 14px;background:#fbfcfe;border-bottom:1px solid #E9EFF7;flex-shrink:0}.batch-settings{display:flex;align-items:center;gap:8px;flex:1 1 400px;flex-wrap:wrap}.batch-settings label{display:flex;align-items:center;gap:5px;color:#7b8aa0;font-size:11px;white-space:nowrap}.batch-settings select{height:29px;padding:0 5px;font-size:11px;color:#59708e}.batch-directions{display:flex;gap:5px;flex-shrink:0}.batch-directions button{display:flex;align-items:center;justify-content:center;gap:4px;height:31px;padding:0 8px;border:1px solid #DDE8F8;border-radius:6px;background:#fff;font-size:11px;color:#517ab3;white-space:nowrap}.batch-directions button span{font-size:10px;color:#9aadca;margin-left:1px}.batch-rule{font-size:10px;color:#9baac0;flex-basis:100%;line-height:1.4}.batch-rule>span{float:right;color:#8da7cb}.mode-toolbar .text-button{font-size:11px}.classroom-caption{font-size:9px}@media(hover:hover)and (pointer:fine){.batch-directions button:hover{background:#edf4ff;border-color:#c4d9f9}}@media(max-width:1180px){.workspace{padding:12px 18px 0;gap:16px}.brand>span:last-child{display:none}.mode-description{font-size:10px}.toolbar-actions .primary,.toolbar-actions .secondary{padding:0 7px;font-size:11px}.seat-batch-tools{padding:8px 11px;gap:6px}.batch-settings{flex-basis:100%;gap:8px}.batch-directions{margin-top:1px}.batch-rule{flex:1 1 220px}.batch-rule>span{display:none}}@media(max-width:950px){.toolbar-actions .mobile-lab-button{height:30px}.classroom-panel{height:calc(100dvh - 146px)}.right-rail.mobile-open{margin-top:8px}.batch-settings{flex-basis:400px}}@media(max-width:600px){.brand{font-size:17px}.brand>span:last-child{display:block}.topbar{height:36px}.workspace{padding:8px 12px 0;gap:8px}.page-heading.compact-heading{min-height:30px;height:30px;margin-bottom:8px}.compact-heading h1{font-size:18px}.compact-heading .class-inline-count{display:none}.classroom-panel{display:block;height:auto;min-height:0}.mode-toolbar{height:auto;min-height:52px;padding:4px 10px;justify-content:space-between;flex-wrap:wrap;gap:6px}.mode-toolbar .mode-description{display:none}.toolbar-actions{gap:5px}.toolbar-actions .primary,.toolbar-actions .secondary,.toolbar-actions .mobile-lab-button{height:44px;font-size:11px}.toolbar-actions .secondary{font-size:0;width:44px;padding:0}.toolbar-actions .primary{padding:0 9px}.toolbar-actions .mobile-lab-button>span{display:none}.classroom-panel .scene-container{height:auto;min-height:0;padding:6px 0 2px}.classroom-panel .classroom-svg{height:644px;min-height:0;width:800px;min-width:800px;max-height:none}.mobile-list-view .scene-container{display:none}.seat-batch-tools{padding:10px;gap:8px}.batch-settings{gap:7px;flex-basis:100%;display:grid;grid-template-columns:1fr 1fr}.batch-settings label{font-size:10px;gap:4px;flex-wrap:wrap}.batch-settings label:last-child{grid-column:1/-1}.batch-settings select{height:36px;font-size:12px;flex:1;min-width:42px}.batch-directions{width:100%;gap:5px}.batch-directions button{flex:1;height:44px;padding:0 4px;font-size:11px;gap:3px}.batch-directions button>span{display:none}.batch-rule{font-size:10px;flex-basis:100%}.classroom-bottom{position:fixed;bottom:12px;left:12px;right:12px;height:64px;padding:8px;z-index:30}.mode-tabs button{height:44px}.below-note{padding-top:12px;font-size:9px}.app-main{padding-bottom:78px}.mobile-view-switch{padding-top:4px;padding-bottom:4px}}.settings-dialog{width:min(1120px,calc(100vw - 40px));max-width:1120px;padding:0;max-height:calc(100dvh - 40px)}.settings-dialog .dialog-top{padding:12px 20px;border-bottom:1px solid var(--line);margin:0}.settings-intro{padding:16px 22px 10px}.settings-intro h2{font-size:21px}.settings-intro p,.settings-hint{font-size:12px;color:#8391a5;margin-top:5px}.settings-tabs{display:flex;gap:6px;padding:0 22px 12px;border-bottom:1px solid var(--line)}.settings-tabs button{height:34px;padding:0 13px;border-radius:7px;font-size:13px;color:#73849c}.settings-tabs button[aria-selected=true]{color:#3079df;background:#edf4ff}.settings-scroll{overflow:auto;max-height:calc(100dvh - 305px);padding:18px 22px;min-height:180px}.settings-scroll input,.classroom-date input{height:34px;border:1px solid #e0e7f0;border-radius:6px;padding:0 9px;background:#fff;color:#4e627f;font-size:14px;min-width:0;max-width:100%;box-sizing:border-box}.settings-scroll label{display:flex;flex-direction:column;gap:6px;font-size:12px;color:#78899f}.term-fields{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:14px}.settings-hint{margin:10px 0 14px;line-height:1.7}.schedule-table-wrap{overflow:auto;border:1px solid #e8edf4;border-radius:9px}.schedule-table{width:100%;border-collapse:collapse;table-layout:fixed;min-width:950px;font-size:13px}.schedule-table th,.schedule-table td{padding:8px 5px;border-bottom:1px solid #edf1f6;border-right:1px solid #edf1f6;font-weight:400;text-align:center}.schedule-table thead th{background:#f7f9fc;color:#7b8ba1;font-size:12px}.schedule-table th:first-child{width:220px}.schedule-table th:last-child{width:44px}.schedule-table input{width:100%;font-size:13px;height:32px;padding:0 5px}.schedule-table tbody th>input{border-color:transparent;background:#f8fafd;margin-bottom:5px;height:27px;text-align:center;font-size:12px}.period-times{display:flex;align-items:center;gap:3px}.period-times input{flex:1;width:0;padding:0 3px;font-size:12px}.period-times>span{color:#b2bece}.add-period{margin-top:12px}.settings-save{display:flex;align-items:center;gap:8px;border-top:1px solid var(--line);padding:13px 22px;background:#fcfdff}.settings-save p{flex:1;font-size:12px;color:#8c9bb0}.settings-save p[role=alert]{color:#7789a3}.preview-date{max-width:240px}.daily-preview{display:grid;gap:8px;max-width:650px}.daily-preview>div{display:flex;gap:18px;align-items:center;padding:13px 16px;background:#f7f9fc;border-radius:8px}.daily-preview span{font-size:13px;color:#8898af}.daily-preview small{color:#9caabc}.daily-preview strong{font-size:14px;font-weight:500;color:#506b91}.empty-schedule{padding:18px 0;text-align:center;color:#9aa8ba;font-size:13px}.duty-settings{display:grid;gap:12px}.duty-settings section{display:grid;grid-template-columns:45px 1fr 1fr 1fr;gap:14px;align-items:center;padding:12px;background:#f8fafd;border:1px solid #edf1f6;border-radius:8px}.duty-settings h3{font-size:13px;color:#6a84a7}.override-form{display:flex;gap:12px;align-items:end;flex-wrap:wrap}.override-list{padding:0;list-style:none;max-width:650px}.override-list li{display:flex;align-items:center;gap:20px;padding:12px;border-bottom:1px solid var(--line);color:#7b8da6;font-size:13px}.override-list b{font-weight:500;flex:1;color:#5b7aa5}.today-courses{list-style:none;margin:12px 0 0;padding:0}.today-courses li{display:flex;gap:8px;align-items:center;min-height:31px;font-size:12px;border-bottom:1px solid #f2f4f8}.today-courses time{font-size:11px;color:#91a1b7;font-variant-numeric:tabular-nums}.today-courses span{font-size:11px;color:#9facbf}.today-courses b{font-weight:500;color:#617795;overflow-wrap:anywhere}.today-courses em{font-size:9px;color:#3b82f6;font-style:normal;margin-left:auto;white-space:nowrap}.today-courses li.current-course{background:#f1f6ff;border-radius:4px}.classroom-date{display:flex;align-items:center;gap:8px;margin-top:10px}.classroom-date input{font-size:12px;height:32px;min-width:0;flex:1;width:100%}.daily-notes{margin:12px 0 0;border-top:1px solid #edf1f6;padding-top:10px}.daily-notes:empty{display:none}.daily-notes>div{display:flex;gap:10px;font-size:12px;margin:5px 0}.daily-notes dt{color:#a0aec0;flex-shrink:0}.daily-notes dd{margin:0;color:#7185a2;overflow-wrap:anywhere}.schedule-override{font-size:11px;color:#7b9bc7;margin-top:7px}.schedule-card{padding-bottom:15px}@media(max-width:1180px){.mode-description{overflow:hidden;white-space:nowrap;text-overflow:ellipsis}.settings-entry>span{display:none}}@media(max-width:600px){.settings-dialog{width:calc(100vw - 16px);max-width:none;max-height:calc(100dvh - 16px);border-radius:12px}.settings-dialog .dialog-top{padding:8px 12px}.settings-intro{padding:12px}.settings-intro h2{font-size:20px}.settings-intro p{font-size:11px}.settings-tabs{padding:0 8px 8px;gap:0;justify-content:space-between}.settings-tabs button{height:44px;padding:0 8px;font-size:12px}.settings-scroll{padding:12px;max-height:calc(100dvh - 300px)}.term-fields{grid-template-columns:1fr 1fr;gap:10px}.term-fields label:first-child{grid-column:1/-1}.settings-scroll input,.settings-scroll select{height:44px;font-size:14px}.schedule-table input{height:44px}.schedule-table tbody th>input{height:32px}.settings-save{padding:10px 12px;flex-wrap:wrap}.settings-save p{flex-basis:100%;font-size:11px}.settings-save button{min-height:44px;flex:1}.duty-settings section{grid-template-columns:1fr;gap:10px}.duty-settings h3{font-size:14px}.override-form{display:grid;grid-template-columns:1fr 1fr}.override-form button{grid-column:1/-1;height:44px}.settings-entry{font-size:0!important}.toolbar-actions .settings-entry svg{width:18px}.daily-preview>div{gap:10px;padding:12px}.settings-dialog .text-button{min-height:44px}.settings-dialog .add-period{height:44px}.right-rail.mobile-open .schedule-card{display:block}}.date-step{width:26px;height:32px;border:1px solid #e1e8f3;border-radius:6px;color:#8da0bc;flex-shrink:0;font-size:20px}.classroom-date{gap:4px}.classroom-date .text-button{font-size:10px}.mobile-day-summary{display:none}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}@media(max-width:600px){.mobile-day-summary{display:block;background:#fbfcff;border-top:1px solid #eff3f8;border-bottom:1px solid #eff3f8;padding:0 12px}.mobile-day-summary summary{display:flex;align-items:center;gap:7px;min-height:44px;font-size:12px;color:#738cac;cursor:pointer;list-style:none}.mobile-day-summary summary::-webkit-details-marker{display:none}.mobile-day-summary summary>span{margin-left:auto;color:#a1afc1;font-size:11px}.mobile-day-summary>.classroom-date{margin:2px 0 8px}.mobile-day-summary .classroom-date input,.mobile-day-summary .date-step{height:44px}.mobile-day-summary .date-step{width:44px}.mobile-day-summary p{font-size:12px;color:#8194ae;margin:8px 0;overflow-wrap:anywhere}.mobile-day-summary ol{list-style:none;padding:0;margin:0}.mobile-day-summary li{display:flex;gap:10px;font-size:12px;align-items:center;min-height:32px;border-bottom:1px solid #eff3f8}.mobile-day-summary time{color:#9aabc0;font-size:11px}.mobile-day-summary li>span{color:#9aabc0}.mobile-day-summary b{font-weight:500;color:#647e9f}.mobile-day-summary>.text-button{min-height:44px}.settings-save{position:relative;z-index:1}}.unified-settings{display:flex;flex-direction:column;min-height:0}.unified-body{display:grid;grid-template-columns:165px minmax(0,1fr);min-height:380px;max-height:calc(100dvh - 245px);overflow:auto;border-top:1px solid #edf1f6}.unified-nav{padding:16px 10px;border-right:1px solid #edf1f6;display:flex;flex-direction:column;gap:4px}.unified-nav button{text-align:left;min-height:36px;padding:0 12px;border-radius:7px;color:#7a8ca5;font-size:13px}.unified-nav button.active{color:#3079df;background:#edf4ff}.unified-content{min-width:0;padding:20px 24px;overflow:auto}.unified-content h3{font-size:15px;color:#405779}.unified-fields{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:18px}.unified-fields label,.unified-label{display:flex;flex-direction:column;gap:6px;font-size:12px;color:#75869e}.unified-content input{height:34px;border:1px solid #dfe7f0;border-radius:6px;padding:0 9px;color:#50647f;min-width:0}.unified-label{margin-top:14px;max-width:220px}.unified-subtitle{margin-top:24px}.unified-list{display:grid;gap:6px;margin:10px 0}.unified-list>div,.unified-add{display:flex;gap:8px;align-items:center}.unified-list input:first-child{width:180px}.unified-list input[type=number],.unified-add input[type=number]{width:75px}.unified-list button{font-size:12px;color:#9aabc0}.unified-content .schedule-settings{margin:-20px -24px}.unified-content .settings-scroll{max-height:calc(100dvh - 435px)}@media(max-width:600px){.unified-body{display:block;max-height:calc(100dvh - 270px)}.unified-nav{border:0;border-bottom:1px solid #edf1f6;display:flex;flex-direction:row;overflow:auto;padding:4px 8px}.unified-nav button{min-height:44px;white-space:nowrap;padding:0 9px}.unified-content{padding:15px}.unified-fields{grid-template-columns:1fr}.unified-content input,.unified-content select{min-height:44px}.unified-content .schedule-settings{margin:-15px}.unified-content .settings-scroll{max-height:calc(100dvh - 470px)}.unified-list button{min-height:44px}}.unseated{display:flex;flex-wrap:wrap;align-items:center;gap:6px;padding:7px 14px;background:#fff9ed;font-size:11px;color:#9a7740}.unseated button{padding:4px 8px;border-radius:5px;background:#fff;border:1px solid #f0dfbc;color:#8a7147;font-size:11px}@media(min-width:601px){.settings-dialog{width:min(920px,calc(100vw - 40px))}.settings-dialog .dialog-top{padding:9px 16px}.unified-settings>.settings-intro{display:none}.unified-body{grid-template-columns:140px minmax(0,1fr);min-height:0;max-height:calc(100dvh - 155px)}.unified-nav{padding:9px 8px;gap:2px}.unified-nav button{min-height:33px;padding:0 10px}.unified-content{padding:16px 18px}.unified-fields{gap:10px 12px;margin-top:12px}.unified-fields label,.unified-label{font-size:13px;gap:4px}.unified-content h3{font-size:14px}.unified-content input,.unified-content select{font-size:14px;height:34px}.unified-content .settings-hint{margin:7px 0 10px;line-height:1.5}.unified-content .schedule-settings{margin:-16px -18px}.unified-content .settings-scroll{max-height:calc(100dvh - 340px)}.unified-content .schedule-settings .settings-intro{padding:12px 16px 6px}.unified-content .schedule-settings .settings-intro h2{font-size:18px}.unified-content .settings-tabs{padding:0 16px 8px}.unified-content .settings-scroll{padding:12px 16px}.unified-content .schedule-table th,.unified-content .schedule-table td{padding:5px 4px}.unified-content .settings-save,.unified-settings>.settings-save{padding:8px 16px}.unified-list{grid-template-columns:repeat(auto-fit,minmax(205px,1fr));gap:7px;margin:8px 0}.unified-list>div{gap:4px}.unified-list input:first-child{width:auto;flex:1}.unified-list input[type=number]{width:64px}.unified-subtitle{margin-top:16px}}.unified-check{display:flex;align-items:center;gap:7px;font-size:13px;color:#667b97;margin:12px 0}.unified-check input{width:16px;height:16px;min-height:0;padding:0;accent-color:#3b82f6}.compact-extra{margin-bottom:4px}@media(max-width:600px){.unified-check{min-height:44px}.unified-check input{min-height:16px}}@media(max-width:600px){.unified-settings>.settings-intro{display:none}.unified-body{max-height:calc(100dvh - 195px)}.unified-content{padding:12px}.unified-fields{grid-template-columns:1fr 1fr;gap:10px;margin-top:10px}.unified-fields label,.unified-label{font-size:12px;gap:4px}.unified-content .settings-hint{margin:6px 0 9px;line-height:1.5}.unified-content .schedule-settings{margin:-12px}.unified-content .settings-scroll{max-height:calc(100dvh - 395px)}}.records-layer{position:fixed;top:0;right:0;bottom:0;left:0;z-index:60;background:#f7f8fa;overflow:auto}.records{max-width:1600px;margin:auto;padding:22px 28px 50px;color:#29384d;font-size:13px}.records-head,.records-title{display:flex;align-items:center;gap:12px;justify-content:space-between}.records-head h2{font-size:20px}.records-head span,.records-title p,.records-note{font-size:12px;color:#8c9bb0}.records-nav{display:flex;gap:6px;border-bottom:1px solid #e6ebf2;margin:18px 0}.records-nav button{height:36px;padding:0 14px;color:#7b8ca3;border-radius:6px 6px 0 0}.records-nav button.active{color:#317be8;background:#eaf2ff}.records-title{margin-bottom:14px}.records-title>div:first-child{margin-right:auto}.records-title h3{font-size:17px}.records-title p{margin-top:3px}.records-layout{display:grid;grid-template-columns:210px minmax(0,1fr);gap:15px}.records-layout aside{display:flex;flex-direction:column;gap:7px}.exam-card{display:flex;flex-direction:column;gap:4px;text-align:left;padding:12px;border:1px solid #e2e8f1;border-radius:8px;background:#fff}.exam-card.active{border-color:#80acf0;background:#f3f7ff}.exam-card small{color:#91a0b4;font-size:11px}.records-main{min-width:0}.records-actions{display:flex;gap:8px;align-items:center;flex-wrap:wrap;margin-bottom:12px}.records-actions>span{font-size:12px;color:#94a2b4;margin-right:auto}.records-table-wrap{overflow:auto;background:#fff;border:1px solid #e7ecf3;border-radius:8px;margin-bottom:14px}.records-table{border-collapse:collapse;width:100%;min-width:600px;white-space:nowrap}.records-table th,.records-table td{padding:8px 12px;text-align:left;border-bottom:1px solid #eff2f6;font-size:13px}.records-table th{font-weight:500;color:#8a99ad;background:#fafbfd}.records-table small{font-size:10px;color:#a5b2c3}.score-grid input{width:78px;height:32px;border:1px solid transparent;border-radius:5px;background:#f7f9fc;padding:0 7px;font-size:13px}.score-grid input:focus{border-color:#8ab6f5;outline:none;background:#fff}.record-link{color:#3b82f6}.records-empty{padding:40px;text-align:center;color:#93a1b2;background:#fff;border:1px solid #e9edf3;border-radius:8px}.records-error{color:#b54747;background:#fff2f0;padding:9px 12px;border-radius:6px;margin:8px 0}.records-note{margin:10px 0 16px;line-height:1.6}.records-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#263b5766;display:grid;place-items:center;z-index:80;padding:16px}.records-form{background:#fff;border-radius:12px;width:min(480px,100%);max-height:90dvh;overflow:auto;padding:20px;display:grid;gap:10px;box-shadow:0 15px 50px #172c4a24}.records-form h3{font-size:17px}.records-form label{display:grid;gap:4px;color:#718299;font-size:12px}.records-form input,.records-form select{height:34px;border:1px solid #dfe6ef;border-radius:6px;padding:0 9px;font-size:13px;min-width:0}.records-form>div:last-child{display:flex;justify-content:flex-end;gap:8px}.exam-subject{display:flex;gap:6px}.exam-subject input:first-child{flex:1}.exam-subject input[type=number]{width:90px}.exam-subject button{color:#99a8bb}.analysis-kpis{display:grid;grid-template-columns:repeat(5,1fr);gap:10px}.analysis-kpis>div,.analysis-cards section{background:#fff;border:1px solid #e7ecf3;border-radius:8px;padding:14px}.analysis-kpis small{display:block;color:#96a4b6}.analysis-kpis b{font-size:20px;color:#395275}.analysis-cards{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-bottom:14px}.analysis-cards h3{margin-bottom:12px}.analysis-bar{display:flex;align-items:center;gap:8px;margin:6px 0;font-size:12px}.analysis-bar span{width:64px;color:#7c8ca3}.analysis-bar i{flex:1;height:9px;background:#edf2f9;border-radius:5px;overflow:hidden}.analysis-bar em{display:block;background:#76a5eb;height:100%}.analysis-bar b{width:50px;text-align:right;font-weight:500;color:#6681a8}@media(max-width:600px){.records{padding:14px 12px 50px}.records-layout{display:block}.records-layout aside{flex-direction:row;overflow:auto;margin-bottom:10px}.exam-card{min-width:150px}.records-title{flex-wrap:wrap}.records-title .primary,.records-actions button,.records-form button{min-height:44px}.records-actions>span{width:100%}.analysis-kpis{grid-template-columns:repeat(2,1fr)}.analysis-cards{grid-template-columns:1fr}.records-form input,.records-form select,.score-grid input{height:44px}}.records-form textarea{width:100%;box-sizing:border-box;border:1px solid #dfe6ef;border-radius:6px;padding:9px;font:13px/1.5 inherit;resize:vertical}.analysis-bar span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.student-dialog{width:min(780px,calc(100vw - 36px));max-width:780px;padding:0;max-height:calc(100dvh - 36px);overflow:auto}.student-dialog>.dialog-top{padding:10px 18px;border-bottom:1px solid #e8edf4;margin:0}.student-profile{max-width:980px;margin:auto;color:#33445b;font-size:13px}.student-dialog .student-profile{padding:15px 18px 22px}.student-profile-head{display:flex;gap:10px;align-items:center;flex-wrap:wrap}.student-profile-head>div{flex:1;min-width:180px}.student-profile-head h2{font-size:20px}.student-profile-head h2 small{font-size:12px;font-weight:400;color:#8192aa;margin-left:6px}.student-profile-head p,.profile-muted{font-size:12px;color:#94a2b4;line-height:1.6;margin:5px 0}.student-tabs{display:flex;gap:4px;border-bottom:1px solid #e8edf4;margin:14px 0;overflow:auto}.student-tabs button{min-height:34px;padding:0 12px;white-space:nowrap;color:#8797ac;font-size:13px}.student-tabs button.active{color:#337ee8;border-bottom:2px solid #3b82f6}.student-card{padding:16px;background:#fff;border:1px solid #e8edf4;border-radius:9px;margin-bottom:10px}.student-card h3{font-size:14px;margin-bottom:10px}.student-kpis{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin-bottom:10px}.student-kpis>div{padding:12px;background:#fff;border:1px solid #e8edf4;border-radius:8px}.student-kpis small,.student-kpis span{display:block;font-size:11px;color:#96a3b5}.student-kpis strong{display:block;font-size:16px;color:#3b5578;margin:4px 0}.profile-list{margin:0;display:grid;gap:7px}.profile-list>div{display:grid;grid-template-columns:105px minmax(0,1fr);gap:10px;line-height:1.6}.profile-list dt{color:#93a1b3}.profile-list dd{margin:0;overflow-wrap:anywhere;white-space:pre-wrap}.profile-score-wrap{overflow:auto}.student-history>div{display:flex;gap:16px;align-items:center;flex-wrap:wrap;padding:7px 0;border-bottom:1px solid #f0f3f7}.student-history b{min-width:125px;font-weight:500}.student-history span{color:#7088aa}.student-history small{color:#c69242}.student-records{list-style:none;padding:0;margin:0}.student-records li{border-left:2px solid #c6d9f4;padding:0 0 13px 12px}.student-records li:last-child{padding-bottom:0}.student-records span{font-size:11px;color:#94a4b8}.student-records p{white-space:pre-wrap;overflow-wrap:anywhere;margin-top:4px}.growth-form{display:grid;grid-template-columns:95px 140px minmax(0,1fr) auto;gap:8px;align-items:end}.growth-form label,.student-fields label{display:grid;gap:4px;color:#8291a5;font-size:12px}.growth-form input,.growth-form select,.student-editor input,.student-editor select,.student-editor textarea,.comment-input{box-sizing:border-box;width:100%;height:34px;border:1px solid #dfe7f0;border-radius:6px;background:#fff;padding:0 9px;font:13px inherit;color:#50647f;min-width:0}.comment-input,.student-editor textarea{height:auto;min-height:68px;padding:8px;resize:vertical}.comment-actions{display:flex;align-items:center;justify-content:flex-end;gap:10px;margin-top:8px}.comment-actions span{font-size:11px;color:#9baabe}.student-editor{width:min(760px,100%);max-height:90dvh;overflow:auto;background:#fff;border-radius:10px;padding:18px;box-sizing:border-box}.student-editor h2{font-size:19px}.student-editor h3{margin:17px 0 8px;font-size:14px}.student-fields{display:grid;grid-template-columns:1fr 1fr;gap:9px 12px}.contact-item{padding:10px;margin:8px 0;background:#f8fafd;border-radius:7px}.contact-heading{display:flex;justify-content:space-between;margin-bottom:6px}.student-editor-actions{display:flex;justify-content:flex-end;gap:8px;margin-top:14px}.student-dialog .student-editor{width:100%;max-height:none}.records .student-profile{margin:0;max-width:none}.records .student-card{background:#fff}@media(max-width:600px){.student-dialog{width:calc(100vw - 16px);max-height:calc(100dvh - 16px)}.student-dialog .student-profile{padding:12px}.student-profile-head button,.student-tabs button{min-height:44px}.student-kpis,.growth-form{grid-template-columns:1fr 1fr}.growth-form label:nth-child(3){grid-column:1/-1}.growth-form button{grid-column:1/-1;min-height:44px}.student-editor{padding:14px}.student-editor input,.student-editor select,.growth-form input,.growth-form select{height:44px}.student-editor-actions button,.student-editor>.secondary,.comment-actions button{min-height:44px}.profile-list>div{grid-template-columns:80px minmax(0,1fr)}}.student-chart{display:block;width:100%;height:auto;max-height:180px;margin:8px 0 2px}.profile-subject{display:flex;align-items:center;gap:9px;margin:8px 0;font-size:12px}.profile-subject>span{width:55px;color:#7589a3}.profile-subject>div{flex:1;display:grid;gap:3px}.profile-subject i{height:5px;background:#eef2f7;border-radius:4px;overflow:hidden}.profile-subject em{display:block;height:100%;background:#4a91ed}.profile-subject em.average{background:#aab4c2}.profile-subject>b{width:55px;text-align:right;font-weight:500;color:#6f85a4}.records-layer.records--embedded{position:static;inset:auto;z-index:auto;overflow:visible;min-height:calc(100dvh - 44px)}.records--embedded .records{padding:20px 24px 48px;max-width:none}.records--embedded .records-head,.records--embedded .records-nav{display:none}.student-list-page .records-title h1{font-size:21px;line-height:1.35}.student-list-page .records-title p{margin-top:3px}.student-filters{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin:0 0 10px}.student-search input{box-sizing:border-box;width:215px;height:34px;border:1px solid #e1e8f1;border-radius:7px;background:#fff;padding:0 10px;font-size:13px;color:#4f6685}.student-filter-chips{display:flex;gap:3px;flex-wrap:wrap}.student-filter-chips button{height:32px;padding:0 10px;border-radius:6px;color:#7c8ca2;font-size:12px;white-space:nowrap}.student-filter-chips button[aria-pressed=true]{color:#337be5;background:#eaf2ff;font-weight:500}.student-filter-count{min-height:0;margin:0;color:#8396af;font-size:11px}.student-filter-count:not(:empty){margin:0 0 7px}.student-list-table{min-width:1070px}.student-list-table tr[tabindex]{cursor:pointer;transition:background-color .12s}.student-list-table tr[tabindex]:focus-visible{outline:2px solid #3b82f6;outline-offset:-2px;background:#f0f6ff}.student-name-button{display:inline-flex;align-items:center;gap:8px;padding:2px 0;font-size:13px;text-align:left;color:#415b7b}.student-list-avatar{flex-shrink:0}.student-contact-phone{display:block;margin-top:2px;color:#9babbd}.student-tag-list{display:flex;gap:4px;align-items:center}.student-tag-list span{padding:2px 6px;background:#eff5ff;color:#6287bb;border-radius:4px;font-size:11px;white-space:nowrap}.student-list-dialog{box-sizing:border-box;position:fixed;width:min(780px,calc(100vw - 36px));max-width:780px;max-height:calc(100dvh - 36px);padding:0;border:1px solid #e6ecf5;border-radius:12px;background:#f8fafc;overflow:auto;box-shadow:0 18px 60px #1c35583d}.student-list-dialog::backdrop{background:#283c5880}.student-list-dialog-head{position:sticky;top:0;z-index:2;display:flex;align-items:center;justify-content:space-between;padding:7px 16px;background:#fff;border-bottom:1px solid #e8edf4;color:#8594a9;font-size:12px}.student-list-dialog-head .icon-button{font-size:22px;line-height:1}.student-list-dialog>.student-profile{padding:15px 18px 22px}.create-student-dialog>.student-editor{width:100%;max-height:none}.records--embedded .records-empty{border:0}.student-list-table .record-link{white-space:nowrap}@media(hover:hover)and (pointer:fine){.student-list-table tr[tabindex]:hover{background:#f0f6ff}.student-filter-chips button:hover{background:#f0f5fc;color:#377bd8}.student-name-button:hover{color:#2d79e5}}@media(max-width:600px){.records--embedded .records{padding:14px 12px 90px}.student-filters{gap:7px}.student-search,.student-search input{width:100%;height:44px}.student-filter-chips{width:100%;flex-wrap:nowrap;overflow:auto;padding-bottom:3px}.student-filter-chips button{min-height:44px;flex-shrink:0}.student-list-table .student-name-button,.student-list-table .record-link{min-height:44px}.student-list-dialog{width:calc(100vw - 16px);max-height:calc(100dvh - 16px)}.student-list-dialog>.student-profile{padding:12px}.student-list-dialog-head .icon-button{width:44px;height:44px}.records-layer.records--embedded{min-height:calc(100dvh - 96px)}}.login-page{min-height:100vh;display:grid;place-items:center;background:#f3f6fa;padding:24px}.login-card{width:min(100%,360px);background:#fff;padding:28px;border:1px solid #e1e8f0;border-radius:14px;box-shadow:0 8px 28px #304a7012;display:grid;gap:16px}.login-card h1{font-size:22px;margin:0}.login-card p{margin:0;color:#718198}.login-card label{display:grid;gap:7px;font-size:14px}.login-card input{height:38px;border:1px solid #dce4ee;border-radius:7px;padding:0 10px}.login-card [role=alert]{color:#c83d3d}.login-status{padding:30px;color:#718198}
