.teacher-shell{--teacher-line:var(--border,#dce4df);--teacher-muted:var(--muted,#60716b);padding-top:48px;padding-bottom:72px}.teacher-heading{justify-content:space-between;align-items:center;gap:32px;margin-bottom:36px;display:flex}.teacher-heading .eyebrow{color:#b95137;letter-spacing:.13em;align-items:center;gap:8px;font-size:11px;display:flex}.teacher-heading h1{letter-spacing:-.04em;margin:13px 0;font-size:clamp(28px,3.4vw,46px);line-height:1.18}.teacher-heading p{max-width:680px;color:var(--teacher-muted);font-size:15px;line-height:1.7}.teacher-heading-mark{color:#355849;background:#f3e8d6;border-radius:24px;flex-shrink:0;place-items:center;width:106px;height:106px;font-family:serif;font-size:62px;display:grid;transform:rotate(7deg)}.teacher-layout{grid-template-columns:230px minmax(0,1fr) 250px;align-items:start;gap:20px;display:grid}.teacher-sidebar,.teacher-main,.teacher-homework{gap:20px;min-width:0;display:grid}.teacher-card{border:1px solid var(--teacher-line);background:var(--surface,#fffefb);border-radius:20px;min-width:0;padding:22px}.teacher-card h2{letter-spacing:-.015em;align-items:center;gap:8px;margin:0 0 15px;font-size:15px;font-weight:650;display:flex}.teacher-card h3{margin:16px 0 8px;font-size:14px}.teacher-card p{color:var(--teacher-muted);font-size:13px;line-height:1.65}.teacher-card small{color:var(--teacher-muted);font-size:11px;line-height:1.6}.teacher-profile{text-align:center;background:linear-gradient(155deg,#e8f1ea,#f5f5e9)}.teacher-profile h2{justify-content:center;margin-top:14px;margin-bottom:3px;font-size:19px}.teacher-profile p{margin:6px 0 12px}.teacher-avatar{color:#fff5df;background:#355e4c;border-radius:50%;place-items:center;width:70px;height:70px;margin:auto;font:36px serif;display:grid;box-shadow:0 0 0 7px #ffffff60}.teacher-status{color:#355e4c;align-items:center;gap:6px;font-size:11px;display:inline-flex}.teacher-status>span{background:#548c63;border-radius:50%;width:6px;height:6px}.teacher-path{gap:22px;margin:20px 0;padding:0;font-size:12px;list-style:none;display:grid}.teacher-path li{align-items:center;gap:10px;display:flex}.teacher-path b{color:#43604c;background:#eef3ed;border-radius:50%;flex-shrink:0;place-items:center;width:28px;height:28px;font-size:10px;display:grid}.teacher-level{margin:18px 0;font-size:24px;font-weight:700}.teacher-level small{margin-top:3px;font-size:10px;font-weight:400;display:block}.teacher-skill{margin:13px 0}.teacher-skill>span{justify-content:space-between;font-size:12px;display:flex}.teacher-skill progress{accent-color:#557e60;width:100%;height:6px}.teacher-evidence{font-size:11px!important}.teacher-card ul{padding-left:16px;font-size:12px;line-height:1.7}.teacher-wallet dl>div{justify-content:space-between;align-items:center;gap:8px;margin:15px 0;display:flex}.teacher-wallet dt{color:var(--teacher-muted);font-size:11px}.teacher-wallet dd{margin:0;font-size:18px;font-weight:650}.teacher-wallet dd small{font-size:11px;font-weight:400}.teacher-wallet .button{width:100%;min-height:40px;font-size:12px}.teacher-wallet>p{font-size:10px}.teacher-wallet>a{justify-content:center;align-items:center;gap:5px;font-size:11px;display:flex}.teacher-conversation{padding:0;overflow:hidden}.teacher-chat-header{border-bottom:1px solid var(--teacher-line);justify-content:space-between;align-items:center;gap:12px;padding:19px 22px;display:flex}.teacher-chat-header>div{align-items:center;gap:8px;display:flex}.teacher-chat-header h2{margin:0}.teacher-chat-header>span{color:var(--teacher-muted);font-size:10px}.teacher-messages{overscroll-behavior:contain;min-height:340px;max-height:660px;padding:25px 22px;overflow:auto}.teacher-welcome{text-align:center;padding:28px 10px 12px}.teacher-welcome-icon{color:#9c6b3f;background:#f3ede0;border-radius:20px;place-items:center;width:64px;height:64px;margin:0 auto 18px;display:grid}.teacher-welcome h2{justify-content:center;font-size:22px}.teacher-welcome>p{max-width:440px;margin:0 auto 24px;font-size:14px}.teacher-starters{text-align:left;gap:9px;display:grid}.teacher-starters button{border:1px solid var(--teacher-line);color:inherit;cursor:pointer;background:0 0;border-radius:10px;justify-content:space-between;align-items:center;gap:12px;padding:13px 15px;font-size:12px;display:flex}.teacher-starters button svg{flex-shrink:0}.teacher-starters button:hover{background:#f0f5ef;border-color:#64876b}.teacher-turn{gap:16px;margin:0 0 24px;display:grid}.teacher-bubble{overflow-wrap:anywhere;border-radius:15px;min-width:0;padding:15px 17px}.teacher-bubble p{white-space:pre-wrap;color:inherit;margin:8px 0;font-size:14px;line-height:1.8}.teacher-bubble small{font-size:10px;font-weight:650}.teacher-bubble-user{background:#edf3eb;margin-left:35px}.teacher-bubble-lin{background:var(--background,#faf8f2);margin-right:12px}.teacher-charge{color:var(--teacher-muted);margin-top:12px;font-size:10px;display:block}.teacher-activity-links{flex-wrap:wrap;gap:8px;display:flex}.teacher-activity-links button{background:var(--surface,#fff);border:1px solid var(--teacher-line);color:inherit;cursor:pointer;border-radius:8px;align-items:center;gap:5px;padding:9px;font-size:11px;display:flex}.teacher-thinking{color:var(--teacher-muted);align-items:center;gap:10px;padding:12px;font-size:13px;display:flex}.teacher-compose{border-top:1px solid var(--teacher-line);padding:18px 22px}.teacher-compose textarea{resize:vertical;border:1px solid var(--teacher-line);background:var(--background,#fafbf8);width:100%;min-height:90px;max-height:260px;font:inherit;color:inherit;border-radius:12px;padding:12px;font-size:14px}.teacher-compose textarea:focus{outline-offset:2px;outline:2px solid #73917c}.teacher-compose-footer{justify-content:space-between;align-items:center;gap:10px;margin-top:10px;display:flex}.teacher-compose-footer .button{min-height:39px;padding:8px 18px;font-size:12px}.teacher-signin{text-align:center;padding:8px}.teacher-signin .button{font-size:13px}.teacher-submitting{background:#f0f3e7;border-radius:8px;justify-content:space-between;margin-bottom:10px;padding:10px;font-size:12px;display:flex}.teacher-submitting button{color:inherit;background:0 0;border:0}.teacher-error{background:#fcf0e9;border-radius:8px;padding:10px;color:#b5412d!important;font-size:12px!important}.teacher-error button{color:inherit;cursor:pointer;background:0 0;border:0;text-decoration:underline}.teacher-notice{background:#e9f1e7;border-radius:10px;padding:12px 16px;color:#355e4c!important;font-size:12px!important}.teacher-toolkit{flex-wrap:wrap;gap:8px;margin:16px 0;display:flex}.teacher-toolkit button,.teacher-toolkit a{border:1px solid var(--teacher-line);color:inherit;cursor:pointer;background:0 0;border-radius:8px;align-items:center;gap:5px;padding:8px 11px;font-size:11px;display:flex}.teacher-task>span{letter-spacing:.1em;color:#548368;font-size:9px}.teacher-task h3{margin:7px 0}.teacher-task>small{align-items:start;gap:5px;display:flex}.teacher-task small svg{flex-shrink:0;margin-top:3px}.teacher-task .button{min-height:34px;margin-top:12px;padding:7px;font-size:11px}.teacher-task details{margin-top:12px;font-size:11px}.teacher-task details p{white-space:pre-wrap}.teacher-homework-empty{text-align:center;color:#7d9284;padding:25px 8px}.teacher-history>div{border-top:1px solid var(--teacher-line);justify-content:space-between;gap:10px;padding:10px 0;font-size:10px;display:flex}.teacher-history b{white-space:nowrap}.teacher-section-title{justify-content:space-between;align-items:center;gap:10px;display:flex}.teacher-section-title h2{margin:0}.teacher-pack-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin:20px 0;display:grid}.teacher-pack-grid>div{border:1px solid var(--teacher-line);border-radius:12px;gap:10px;padding:16px;display:grid}.teacher-pack-grid strong{font-size:28px}.teacher-pack-grid span{color:var(--teacher-muted);font-size:12px}.teacher-pack-grid .button{min-height:35px;padding:7px;font-size:11px}.teacher-activity h3{font-size:18px}.teacher-workspace{overflow:hidden}.teacher-character-tabs{flex-wrap:wrap;gap:7px;margin:15px 0;display:flex}.teacher-character-tabs button{border:1px solid var(--teacher-line);width:37px;height:37px;color:inherit;cursor:pointer;background:0 0;border-radius:7px;font-size:21px}.teacher-character-tabs button[aria-pressed=true]{color:#fff;background:#355e4c}.teacher-activity-actions{flex-wrap:wrap;gap:10px;margin-top:18px;display:flex}.teacher-activity-actions .button{font-size:12px}.teacher-word-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin:15px 0;display:grid}.teacher-word-grid>div{border:1px solid var(--teacher-line);border-radius:10px;padding:12px}.teacher-word-grid strong{font-size:23px;display:block}.teacher-word-grid span{color:var(--teacher-muted);font-size:12px}.teacher-word-grid .button{font-size:10px}.teacher-language-sample{background:var(--background,#faf8f2);border-radius:10px;padding:15px}.teacher-spin{animation:1s linear infinite teacher-spin}@keyframes teacher-spin{to{transform:rotate(360deg)}}.teacher-shell button:focus-visible,.teacher-shell a:focus-visible{outline-offset:3px;outline:2px solid #507a60}.teacher-shell button:disabled{opacity:.55;cursor:not-allowed}[data-theme=dark] .teacher-profile{background:linear-gradient(155deg,#253b30,#29372c)}[data-theme=dark] .teacher-bubble-user,[data-theme=dark] .teacher-path b,[data-theme=dark] .teacher-notice,[data-theme=dark] .teacher-submitting{color:#cfdfcd;background:#25382c}[data-theme=dark] .teacher-status{color:#b6d1b9}[data-theme=dark] .teacher-error{background:#402b25;color:#f0b9a7!important}[data-theme=dark] .teacher-card{background:#17231e}@media (min-width:1500px){.teacher-layout{grid-template-columns:245px minmax(0,1fr) 270px}}@media (max-width:1150px){.teacher-layout{grid-template-columns:210px minmax(0,1fr)}.teacher-homework{grid-column:2;grid-template-columns:1fr 1fr}.teacher-sidebar{grid-row:1/3}}@media (max-width:760px){.teacher-shell{padding-top:28px}.teacher-heading{margin-bottom:23px}.teacher-heading-mark{display:none}.teacher-heading p{font-size:13px}.teacher-layout{flex-direction:column;gap:16px;display:flex}.teacher-sidebar{display:contents}.teacher-profile{display:none}.teacher-sidebar>.teacher-card:not(.teacher-wallet){order:3;width:100%}.teacher-wallet{order:0;width:100%;padding:16px}.teacher-wallet h2{margin-bottom:8px}.teacher-wallet dl{justify-content:space-between;gap:16px;margin:0;display:flex}.teacher-wallet dl>div{margin:8px 0;display:block}.teacher-wallet dd{margin-top:5px}.teacher-wallet>.button{width:auto;min-height:32px;margin-top:5px}.teacher-wallet>p{margin-bottom:3px}.teacher-wallet>a{margin-left:12px;display:inline-flex}.teacher-main{order:1;width:100%}.teacher-homework{order:2;grid-template-columns:1fr;width:100%;display:grid}.teacher-messages{min-height:280px;max-height:560px;padding:18px 14px}.teacher-chat-header{padding:16px}.teacher-chat-header>span{font-size:9px}.teacher-welcome{padding:10px 0}.teacher-welcome h2{font-size:20px}.teacher-compose{padding:16px}.teacher-card{border-radius:15px}.teacher-bubble-user{margin-left:20px}.teacher-bubble-lin{margin-right:0}.teacher-word-grid{grid-template-columns:1fr}.teacher-workspace{padding:14px}.teacher-heading .eyebrow{font-size:9px}.teacher-pack-grid>div{padding:12px}}@media (prefers-reduced-motion:reduce){.teacher-spin{animation:none}}[data-theme=dark] .teacher-shell{--teacher-line:var(--line)}.teacher-packs{scroll-margin-top:100px}.teacher-turn-status{color:var(--teacher-muted);padding:8px 14px;font-size:12px}.teacher-conversations input:not([type=checkbox]),.teacher-conversation-actions input{border:1px solid var(--teacher-line);width:100%;min-width:0;color:inherit;background:0 0;border-radius:8px;margin:10px 0;padding:9px}.teacher-archive-toggle{align-items:center;gap:6px;font-size:11px;display:flex}.teacher-conversations nav{gap:5px;max-height:260px;margin-top:12px;display:grid;overflow:auto}.teacher-conversations nav button{text-align:left;overflow-wrap:anywhere;color:inherit;background:0 0;border:0;border-radius:7px;padding:9px;font-size:12px}.teacher-conversations nav button[aria-current=page]{color:#254632;background:#e5eee5}.teacher-conversation-actions{flex-wrap:wrap;align-items:center;gap:10px;font-size:12px;display:flex}.teacher-conversation-actions strong{overflow-wrap:anywhere;flex:1}.teacher-conversation-actions button,.teacher-copy,.teacher-guided button:not(.button){border:1px solid var(--teacher-line);color:inherit;cursor:pointer;background:0 0;border-radius:8px;padding:7px 10px}.teacher-conversation-actions form{flex-basis:100%}.teacher-copy{font-size:10px}.teacher-guided{background:var(--background,#faf8f2);border:1px solid var(--teacher-line);border-radius:14px;margin:24px 0 4px;padding:20px;scroll-margin:20px}.teacher-learning-preferences{flex-wrap:wrap;gap:12px;margin:14px 0;display:flex}.teacher-learning-preferences label{flex:1;gap:5px;font-size:11px;display:grid}.teacher-learning-preferences select{background:var(--surface,#fffefb);max-width:100%;color:inherit;border:1px solid var(--teacher-line);border-radius:7px;padding:8px}.teacher-checkpoints{gap:7px;padding:0;font-size:11px;list-style:none;display:grid}.teacher-checkpoints li{justify-content:space-between;gap:12px;display:flex}.teacher-checkpoints span{color:var(--teacher-muted)}.teacher-exercise,.teacher-exercise-feedback{border-top:1px solid var(--teacher-line);margin-top:18px;padding-top:10px}.teacher-exercise-feedback{margin-bottom:18px}.teacher-answer-options{gap:9px;display:grid}.teacher-answer-options button{text-align:left;font-size:15px}.teacher-guided>.button{margin-top:18px;font-size:12px}.teacher-tool-evidence{margin:10px 0;font-size:11px}.teacher-tool-evidence pre{white-space:pre-wrap;overflow-wrap:anywhere;max-height:150px;font-size:10px;overflow:auto}.teacher-guided h3{font-size:18px}.teacher-conversations>.button{width:100%}.teacher-guided small{display:block}.teacher-exercise-feedback b{color:var(--foreground)}@media (max-width:760px){.teacher-sidebar>.teacher-conversations{order:0!important}.teacher-conversations nav{max-height:120px}.teacher-guided{padding:14px}.teacher-checkpoints li{flex-wrap:wrap}.teacher-conversation-actions{gap:7px}}.teacher-pack-grid .teacher-pack-bonus{color:#355e4c;font-weight:650}.teacher-pack-total{font-size:14px}.teacher-shell{--teacher-line:var(--line,#dce4df);max-width:1280px;padding-top:30px;padding-bottom:56px}.teacher-heading{align-items:center;gap:24px;margin-bottom:26px}.teacher-heading h1{letter-spacing:-.03em;margin:9px 0 8px;font-size:clamp(25px,2.5vw,34px)}.teacher-heading p{max-width:680px;margin:0;font-size:14px}.teacher-heading-identity{flex-shrink:0;align-items:center;gap:12px;display:flex}.teacher-heading-identity .teacher-avatar{width:46px;height:46px;box-shadow:none;border-radius:15px;margin:0;font-size:25px}.teacher-heading-identity strong{font-size:14px;font-weight:650;display:block}.teacher-heading-identity>div>span{color:var(--teacher-muted);margin-top:4px;font-size:11px;display:block}.teacher-layout{grid-template-columns:220px minmax(0,1fr);align-items:start;gap:18px 26px}.teacher-sidebar{flex-direction:column;grid-area:1/1/3;gap:14px;display:flex}.teacher-main{grid-area:1/2;gap:14px}.teacher-card{background:var(--surface,#fffefb);border-radius:16px;padding:20px}.teacher-card h2{font-size:14px;font-weight:650}.teacher-shell .button{box-shadow:none;border-radius:10px;font-size:13px;font-weight:600}.teacher-conversations{background:color-mix(in srgb,var(--surface,#fff) 65%,var(--surface-soft,#edf3ef));border-color:#0000;order:0}.teacher-conversations h2{color:var(--teacher-muted);margin-bottom:14px;font-size:12px}.teacher-conversations>.button{min-height:40px;margin-bottom:3px}.teacher-conversations input:not([type=checkbox]){background:var(--surface,#fff);border-radius:9px;padding:10px;font-size:12px!important}.teacher-conversations nav:empty{margin:0}.teacher-wallet{order:1}.teacher-wallet dl{margin:16px 0}.teacher-wallet dl>div{margin:12px 0}.teacher-wallet dd{font-size:20px;font-weight:600}.teacher-wallet dd small{margin-left:3px;font-size:11px!important}.teacher-wallet>a{margin-top:13px}.teacher-card summary{cursor:pointer;align-items:center;gap:9px;min-height:24px;font-size:13px;font-weight:600;list-style:none;display:flex}.teacher-card summary::-webkit-details-marker{display:none}.teacher-card summary:after{content:"";border-bottom:1.5px solid;border-right:1.5px solid;flex-shrink:0;width:7px;height:7px;margin-left:auto;transition:transform .15s;transform:rotate(45deg)}.teacher-card[open]>summary:after,.teacher-allowance-details[open]>summary:after{transform:rotate(225deg)}.teacher-allowance-details{margin-top:14px}.teacher-allowance-details summary{color:var(--teacher-muted);font-size:11px;font-weight:400}.teacher-shell .teacher-allowance-details p{margin:10px 0 0;line-height:1.7;font-size:12px!important}.teacher-path-panel{order:2;padding:16px 20px}.teacher-path{gap:15px;margin:18px 0}.teacher-path-panel>p{margin-bottom:0}.teacher-conversation{border-radius:20px;padding:0;box-shadow:0 8px 32px #193d3506}.teacher-chat-header{border-bottom:0;padding:20px 26px}.teacher-chat-header>div{gap:10px}.teacher-chat-header>div>svg{color:var(--jade,#276453)}.teacher-class-status{align-items:center;gap:6px;display:flex;font-size:11px!important}.teacher-class-status i{background:#5e9874;border-radius:50%;width:6px;height:6px}.teacher-mode-switch{border-bottom:1px solid var(--teacher-line);gap:6px;margin:0 26px;padding-bottom:14px;display:flex}.teacher-mode-switch button{cursor:pointer;font:inherit;color:var(--teacher-muted);background:0 0;border:0;border-radius:9px;justify-content:center;align-items:center;gap:8px;padding:10px 14px;font-size:13px;display:flex}.teacher-mode-switch button[aria-pressed=true]{background:color-mix(in srgb,var(--jade,#276453) 10%,var(--surface,#fff));color:var(--jade,#276453);font-weight:650}.teacher-mode-switch button>span{background:var(--surface,#fff);color:var(--teacher-muted);border-radius:4px;padding:2px 5px;font-size:10px;font-weight:500}.teacher-messages{min-height:0;max-height:none;padding:28px 32px}.teacher-messages.has-turns{min-height:360px;max-height:62vh;overflow:auto}.teacher-welcome{max-width:760px;margin:auto;padding:18px 0 10px}.teacher-welcome-icon{color:#355e4c;width:54px;height:54px;font:31px var(--font-hanzi),serif;background:#eaf1e8;border-radius:18px;margin-bottom:20px}.teacher-welcome h2{letter-spacing:-.025em;margin-bottom:12px;font-size:27px;font-weight:600}.teacher-welcome>p{max-width:520px;margin-bottom:27px;line-height:1.8}.teacher-starters{grid-template-columns:repeat(3,minmax(0,1fr));gap:10px}.teacher-starters button{text-align:left;background:var(--surface,#fff);border-radius:12px;padding:18px 16px;transition:background .15s,border-color .15s;display:block;position:relative}.teacher-starter-number{color:var(--teacher-muted);letter-spacing:.06em;margin-bottom:14px;font-size:10px;display:block}.teacher-starters button strong{margin-bottom:8px;font-size:14px;font-weight:650;display:block}.teacher-starters button>span>span{color:var(--teacher-muted);font-size:12px;line-height:1.7;display:block}.teacher-starters button>svg{color:var(--jade,#276453);width:15px;position:absolute;top:17px;right:14px}.teacher-compose{border-top:1px solid var(--teacher-line);background:color-mix(in srgb,var(--surface-soft,#f7f9f5) 55%,var(--surface,#fff));padding:20px 26px}.teacher-compose textarea{background:var(--surface,#fff);resize:vertical;border-radius:12px;min-height:92px;padding:15px;line-height:1.7}.teacher-compose-footer{margin-top:10px}.teacher-compose-footer .button{min-height:39px;padding:9px 20px}.teacher-compose-footer small{font-size:11px!important}.teacher-signin{text-align:left;justify-content:space-between;align-items:center;gap:20px;display:flex}.teacher-signin p{max-width:420px;margin:0}.teacher-signin .button{flex-shrink:0}.teacher-guided{background:0 0;border:0;border-radius:0;margin:0;padding:30px 32px 34px}.teacher-guided h3{margin:10px 0 12px;font-size:25px;font-weight:600}.teacher-guided>.eyebrow{color:var(--jade,#276453);font-size:10px}.teacher-learning-preferences{gap:16px;margin:22px 0}.teacher-learning-preferences label{gap:8px}.teacher-learning-preferences select{border-radius:9px;min-height:43px;padding:10px}.teacher-checkpoints{grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;margin:18px 0;padding:0!important}.teacher-checkpoints li{background:var(--surface-soft,#f1f5ef);border-radius:10px;gap:9px;padding:14px;font-size:12px;display:grid}.teacher-guided>small{color:var(--teacher-muted);line-height:1.65;font-size:11px!important}.teacher-guided>.button{min-height:42px;padding:10px 20px}.teacher-answer-options button{min-height:44px;background:var(--surface,#fff)!important;padding:13px 15px!important}.teacher-answer-options button:hover{border-color:var(--jade,#276453)}.teacher-toolkit-panel{padding:17px 22px}.teacher-toolkit-panel summary>svg{color:var(--jade,#276453)}.teacher-disclosure-hint{color:var(--teacher-muted);margin-left:auto;font-size:11px;font-weight:400}.teacher-toolkit-panel summary:after{margin-left:5px}.teacher-toolkit-panel .teacher-toolkit{gap:9px;margin:17px 0}.teacher-toolkit button,.teacher-toolkit a{border-radius:8px;min-height:36px;padding:8px 12px;font-size:12px}.teacher-assignment-panel{padding:20px 24px}.teacher-assignment-panel.is-empty>p{display:none}.teacher-assignment-panel.is-empty 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b{font-size:11px}.teacher-activity-actions{border-top:1px solid var(--teacher-line);flex-wrap:wrap;gap:9px;margin-top:19px;padding-top:17px;display:flex}.teacher-guided .teacher-activity-actions button{border-radius:8px;min-height:37px;padding:7px 12px;font-size:12px;font-weight:600}.teacher-guided .teacher-activity-actions button:first-child{background:var(--surface,#fff)}.teacher-guided .teacher-activity-actions button:last-child{border-color:color-mix(in srgb,var(--jade,#276453) 28%,var(--teacher-line));color:var(--jade,#276453)}.teacher-guided .teacher-activity-actions button:disabled{opacity:.45;cursor:not-allowed}.teacher-practice-plan{border-top:1px solid var(--teacher-line);margin-top:20px}.teacher-practice-plan summary{cursor:pointer;align-items:center;gap:8px;padding:18px 2px 4px;font-size:13px;font-weight:650;list-style:none;display:flex}.teacher-practice-plan summary::-webkit-details-marker{display:none}.teacher-practice-plan summary:before{content:"+";border:1px solid var(--teacher-line);width:18px;height:18px;color:var(--jade,#276453);border-radius:5px;place-items:center;font-size:15px;font-weight:400;line-height:1;display:grid}.teacher-practice-plan[open] summary:before{content:"−"}.teacher-practice-plan summary small{color:var(--teacher-muted);margin-left:auto;font-size:11px;font-weight:400}.teacher-practice-plan-content{padding:7px 2px 0}.teacher-learning-preferences{margin:15px 0 18px}.teacher-checkpoints{margin:0 0 15px}.teacher-checkpoints li{padding:12px 13px}.teacher-practice-note{color:var(--teacher-muted);margin:0;font-size:11px;line-height:1.7}.teacher-practice-next{border:1px solid var(--teacher-line);background:color-mix(in srgb,var(--jade,#276453) 3%,var(--surface,#fff));border-radius:16px;padding:23px 26px}.teacher-practice-primary{min-height:43px}.teacher-practice-loading{border:1px solid var(--teacher-line);color:var(--teacher-muted);border-radius:14px;margin:0;padding:25px;font-size:13px}.teacher-exercise-feedback{border:0;margin:0 0 18px;padding:0}.teacher-exercise-feedback h4{margin:8px 0 12px;font-size:22px}.teacher-exercise-feedback p{margin:10px 0;font-size:13px;line-height:1.65}.teacher-exercise-feedback dl{grid-template-columns:1fr 1fr;gap:10px;margin:14px 0;display:grid}.teacher-exercise-feedback dl>div{border:1px solid var(--teacher-line);background:var(--surface,#fff);border-radius:9px;min-width:0;padding:11px 13px}.teacher-exercise-feedback dt{color:var(--teacher-muted);font-size:11px}.teacher-exercise-feedback dd{overflow-wrap:anywhere;margin:6px 0 0;font-size:14px}.teacher-exercise-feedback button{font-size:12px}.teacher-writing-prompt{font-size:15px;line-height:1.7}[data-theme=dark] .teacher-exercise,[data-theme=dark] .teacher-practice-next{background:color-mix(in srgb,var(--jade,#276453) 7%,var(--surface,#17231e))}@media (max-width:760px){.teacher-guided{padding:22px 17px 24px}.teacher-guided .teacher-practice-heading h3{font-size:23px}.teacher-practice-heading{margin-bottom:17px}.teacher-exercise,.teacher-practice-next{padding:20px 16px}.teacher-exercise h4{margin:13px 0 17px;font-size:19px}.teacher-answer-options button{min-height:54px;font-size:15px!important}.teacher-practice-plan summary small{font-size:10px}.teacher-checkpoints{grid-template-columns:1fr}.teacher-checkpoints li{justify-content:space-between;align-items:center;display:flex}.teacher-exercise-feedback dl{grid-template-columns:1fr}.teacher-learning-preferences{grid-template-columns:1fr 1fr;display:grid}.teacher-learning-preferences label{min-width:0}}@media (max-width:420px){.teacher-practice-plan summary small{display:none}.teacher-learning-preferences{grid-template-columns:1fr}.teacher-activity-actions button{width:100%}}@media (prefers-reduced-motion:reduce){.teacher-answer-options button{transition:none}.teacher-answer-options button:hover:not(:disabled){transform:none}}.teacher-wallet-actions{align-items:stretch;gap:8px;margin-top:18px;display:flex}.teacher-wallet-actions>.button{flex:1;justify-content:center;gap:7px;min-width:0;min-height:42px;padding:10px 12px}.teacher-wallet-refresh{border:1px solid var(--teacher-line);min-height:42px;color:var(--teacher-muted);cursor:pointer;background:0 0;border-radius:10px;flex:0 0 42px;place-items:center;padding:0;transition:background .15s,color .15s;display:grid}.teacher-wallet-refresh:hover:not(:disabled){background:var(--surface-soft,#edf3ef);color:var(--ink,#193d35)}.teacher-wallet-refresh:disabled{opacity:.5;cursor:default}.teacher-wallet dd{white-space:nowrap;font-variant-numeric:tabular-nums}