:root{font-family:Inter,"Segoe UI",Arial,sans-serif;color:#203d39;background:#f5f7f3;font-synthesis:none;line-height:1.5;--ink:#203d39;--muted:#687974;--green:#246550;--green-dark:#164b3a;--line:#dce4dc;--paper:#fff;--pale:#eaf0e7;--error:#9b302d;--shadow:0 10px 35px #24433408}
*{box-sizing:border-box}body{margin:0}button,input,select{font:inherit}a{color:var(--green)}button,a,input,select{-webkit-tap-highlight-color:transparent}button,a{touch-action:manipulation}button{cursor:pointer}button:disabled{cursor:wait;opacity:.6}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible{outline:3px solid #bc883e;outline-offset:3px}[hidden]{display:none!important}.skip-link{position:fixed;left:16px;top:-70px;background:white;padding:12px;z-index:10}.skip-link:focus{top:12px}.visually-hidden{position:absolute;width:1px;height:1px;margin:-1px;padding:0;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.site-header{height:88px;background:#fff;border-bottom:1px solid var(--line);display:flex;align-items:center;padding:0 max(28px,calc((100vw - 1200px)/2));gap:22px}.brand{font-weight:750;letter-spacing:-1px;font-size:26px;text-decoration:none;display:flex;align-items:center;gap:10px;white-space:nowrap;color:var(--ink)}.brand-mark{background:var(--green);color:white;border-radius:10px;width:33px;height:35px;line-height:29px;text-align:center;font-size:32px;font-weight:650;letter-spacing:-2px;padding-right:2px}.brand-dot{color:#b88e4c}.header-label{border-left:1px solid var(--line);padding-left:22px;font-size:14px;color:var(--muted)}.environment{margin-left:auto;font-size:11px;letter-spacing:.05em;text-transform:uppercase;background:#f1f4ed;color:#63735d;border:1px solid #e0e6d9;border-radius:5px;padding:5px 9px;white-space:nowrap}.account-menu{display:flex;align-items:center;gap:18px;margin-left:auto;font-size:14px}.account-menu:not([hidden])+.environment{margin-left:0}.account-menu>span{max-width:230px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
main{max-width:1200px;margin:auto;padding:0 28px;min-height:calc(100vh - 178px)}main:focus{outline:none}.loading-view{display:flex;justify-content:center;align-items:center;gap:12px;min-height:400px;color:var(--muted)}.loading-dot{width:10px;height:10px;background:var(--green);border-radius:50%;animation:pulse 1s ease infinite alternate}@keyframes pulse{to{opacity:.2}}.page-notice{padding:14px 18px;background:#e8f0e4;border:1px solid #b4c6aa;border-radius:8px;margin-top:25px}.auth-layout{display:grid;grid-template-columns:minmax(0,1fr) minmax(320px,420px);gap:90px;align-items:start;padding:82px 0 72px}.auth-intro{padding-top:30px}.eyebrow{font-size:11px;font-weight:750;letter-spacing:.15em;color:#728166;margin:0 0 15px}.auth-intro h1{font-size:clamp(36px,4.3vw,52px);line-height:1.14;letter-spacing:-1.8px;font-weight:650;margin:0 0 26px}.auth-intro>p:not(.eyebrow){font-size:18px;color:var(--muted);max-width:450px;line-height:1.7}.intro-note{display:flex;gap:18px;margin-top:65px;max-width:425px;border-top:1px solid #d5decf;padding-top:24px}.note-number{font-size:14px;color:#728166;border:1px solid #d5decf;border-radius:50%;flex:0 0 36px;height:36px;display:grid;place-items:center}.intro-note strong{font-size:14px}.intro-note p{font-size:13px;color:var(--muted);line-height:1.65;margin:5px 0 0}.auth-card{background:white;border:1px solid var(--line);border-radius:13px;padding:32px;box-shadow:var(--shadow)}h2{font-weight:650;letter-spacing:-.45px;font-size:24px;margin:0 0 12px}.auth-panel>h2{font-size:25px}.muted{color:var(--muted)}.auth-panel>.muted{font-size:14px;margin:0 0 24px;line-height:1.65}.auth-panel form{display:flex;flex-direction:column}.auth-panel label{margin-top:17px}.auth-panel label:first-child{margin-top:0}label{display:block;font-size:13px;font-weight:650;color:var(--ink);margin-bottom:7px}input,select{width:100%;height:45px;border:1px solid #c9d5cc;background:#fff;border-radius:6px;color:var(--ink);padding:9px 12px;min-width:0}input::placeholder{color:#89978e;opacity:1}input:focus,select:focus{border-color:var(--green)}input[aria-invalid=true]{border-color:var(--error)}input[type=radio]{width:18px;height:18px;margin:3px 0 0;accent-color:var(--green);flex:0 0 18px}.button{border:1px solid transparent;display:inline-flex;align-items:center;justify-content:center;gap:9px;min-height:44px;padding:10px 18px;font-size:13px;font-weight:650;border-radius:6px;text-decoration:none;transition:background .15s,box-shadow .15s}.button-primary{background:var(--green);color:#fff}.button-primary:hover{background:var(--green-dark)}.button-secondary{background:white;color:var(--ink);border-color:#cbd7cf}.button-secondary:hover{background:#f2f6ef}.button-full{width:100%;margin-top:22px}.button-text{border:0;padding:0;background:transparent;color:var(--green);font-size:13px;font-weight:650;text-decoration:none;text-underline-offset:3px}.button-text:hover{text-decoration:underline}.auth-link{display:block;margin:18px auto 0}.auth-switch{font-size:13px;color:var(--muted);border-top:1px solid var(--line);padding-top:22px;margin:25px 0 0;text-align:center}.test-mail-note{font-size:11px;color:var(--muted);margin:24px 0 0;text-align:center;line-height:1.6}.test-mail-note a{color:inherit;text-underline-offset:2px}.field-help{font-size:12px;color:var(--muted);margin:6px 0 0;line-height:1.6}.form-error{padding:12px 14px;color:var(--error);background:#fff2ee;border:1px solid #edc7bd;border-radius:6px;font-size:13px;line-height:1.5;margin:17px 0 0}.form-error+button{margin-top:17px}.message-symbol{width:44px;height:44px;display:grid;place-items:center;border-radius:50%;background:#eaf2e5;color:var(--green);font-size:24px;margin-bottom:24px}
.workspace{padding-bottom:65px}.workspace-nav{display:flex;align-items:center;gap:28px;border-bottom:1px solid var(--line);margin-bottom:43px;font-size:12px;min-height:68px}.workspace-nav a{font-size:13px;font-weight:650;text-decoration:none;align-self:stretch;display:flex;align-items:center;position:relative}.workspace-nav a::after{content:"";position:absolute;height:3px;bottom:-1px;left:0;right:0;background:var(--green);border-radius:3px 3px 0 0}.workspace-nav>span{color:#819084}.page-heading{display:flex;align-items:center;justify-content:space-between;gap:30px;margin-bottom:40px}.page-heading h1{font-size:36px;font-weight:650;letter-spacing:-1.1px;margin:0 0 8px;line-height:1.25;overflow-wrap:anywhere}.page-heading .eyebrow{margin-bottom:12px}.page-heading .muted{font-size:14px;margin:0}.page-heading>.button{flex-shrink:0}.page-heading>.button>span{font-size:21px;line-height:20px;font-weight:400}.section-heading{display:flex;align-items:center;justify-content:space-between;margin-bottom:17px}.section-heading h2{font-size:17px;letter-spacing:-.15px;margin:0;display:flex;align-items:center;gap:9px}.count-badge{background:#e4ebdf;display:inline-grid;place-items:center;min-width:25px;height:23px;padding:0 6px;border-radius:5px;font-size:12px;color:#64765a}.empty-state{border:1px dashed #c6d3c4;background:#f9fbf7;border-radius:10px;text-align:center;padding:60px 25px}.empty-icon{display:grid;place-items:center;border:1px solid #d2deca;background:#edf3e7;color:#748c63;width:52px;height:46px;margin:0 auto 20px;border-radius:6px;font-size:25px}.empty-state h3{font-size:18px;font-weight:600;margin:0 0 8px}.empty-state p{font-size:14px;color:var(--muted);margin:0 auto 21px;max-width:360px}.table-wrap{border:1px solid var(--line);border-radius:9px;overflow-x:auto;background:white;box-shadow:var(--shadow)}table{width:100%;border-collapse:collapse;font-size:13px;text-align:left;white-space:nowrap}th{font-weight:600;color:#718071;background:#f5f8f1;font-size:11px;letter-spacing:.015em;padding:15px 19px;border-bottom:1px solid var(--line)}td{padding:22px 19px;border-bottom:1px solid #e8ede6;vertical-align:middle}tr:last-child td{border-bottom:0}td:first-child{white-space:normal;min-width:220px}td a{font-weight:650;text-decoration:none;display:block;overflow-wrap:anywhere}td a:hover{text-decoration:underline}td .subline{display:block;color:var(--muted);font-size:11px;margin-top:5px}td:last-child{text-align:right}.row-arrow{font-size:21px;color:var(--green);font-weight:400}.status{display:inline-flex;align-items:center;gap:6px;border-radius:4px;padding:4px 7px;background:#edf1e8;color:#526649;font-size:10px;font-weight:650;white-space:nowrap}.status::before{content:"";height:5px;width:5px;border-radius:50%;background:currentColor}.status.open{background:#e5f1e9;color:#347351}.status.closed{background:#f0f1ef;color:#758073}.workspace-footnote{font-size:11px;color:#7c8b7f;margin:17px 1px 0}.back-link{font-size:12px;font-weight:600;text-decoration:none;display:inline-block;margin:-10px 0 25px}.back-link:hover{text-decoration:underline}.create-layout{display:grid;grid-template-columns:minmax(0,680px) 1fr;gap:44px;align-items:start}.card{background:white;border:1px solid var(--line);border-radius:10px;box-shadow:var(--shadow)}.create-form{padding:32px}.create-form fieldset{border:0;padding:0 0 29px;margin:0 0 27px;border-bottom:1px solid var(--line);min-width:0}.create-form legend{font-size:17px;font-weight:650;letter-spacing:-.2px;margin-bottom:22px;padding:0;display:flex;align-items:center;gap:11px}.step-number{display:inline-grid;place-items:center;background:#edf2e8;border-radius:50%;width:26px;height:26px;color:#6a805a;font-size:12px;font-weight:600}.create-form label:not(.radio-option){margin-top:20px}.create-form legend+label{margin-top:0}.radio-options{display:grid;grid-template-columns:1fr 1fr;gap:12px}.radio-option{display:flex;gap:10px;margin:0;padding:14px;border:1px solid #d6dfd2;border-radius:7px;align-items:flex-start;cursor:pointer;font-weight:400}.radio-option:has(input:checked){border-color:var(--green);background:#f4f8ee}.radio-option strong{font-size:12px;font-weight:650}.radio-option small{display:block;font-size:11px;color:var(--muted);line-height:1.5;margin-top:3px}.timezone-note{font-size:11px;color:var(--muted);margin:16px 0 0}.timezone-note strong{font-weight:600}.form-actions{display:flex;align-items:center;gap:12px;margin-top:25px}.creation-note{padding:20px 5px 20px 0}.creation-note h2{font-size:25px;line-height:1.3;font-weight:600;margin-top:18px}.creation-note p:not(.eyebrow){font-size:13px;color:var(--muted);line-height:1.8}.note-divider{height:1px;background:var(--line);margin:26px 0}.detail-grid{display:grid;grid-template-columns:minmax(0,1.6fr) minmax(270px,1fr);gap:24px}.share-card{padding:29px}.share-card h2,.time-card h2,.participant-card h2{font-size:18px;margin-bottom:8px}.share-card>p{color:var(--muted);font-size:13px;margin:0 0 24px}.copy-row{display:flex;gap:8px;margin:7px 0 24px}.copy-row input{background:#f6f8f3;font-size:12px}.copy-row .button{flex-shrink:0}.share-code{font-family:ui-monospace,Consolas,monospace;font-size:25px!important;font-weight:600;letter-spacing:1.5px}.copy-feedback{font-size:12px;min-height:18px;color:var(--green);margin:-12px 0 6px}.detail-note{font-size:12px;color:#6d795f;background:#f1f5e9;border:1px solid #e0e7d4;padding:13px 15px;border-radius:6px;line-height:1.65;margin-top:25px}.time-card{padding:29px}.time-list{margin:24px 0 0}.time-list div+div{margin-top:22px}.time-list dt{font-size:11px;color:var(--muted);margin-bottom:4px}.time-list dd{margin:0;font-size:14px;font-weight:550}.time-card .timezone-note{border-top:1px solid var(--line);padding-top:17px;margin-top:25px}.participant-card{padding:29px;margin-top:24px}.participant-summary{display:flex;gap:35px;margin:22px 0}.participant-summary strong{display:block;font-size:27px;font-weight:600;letter-spacing:-.5px}.participant-summary span{font-size:12px;color:var(--muted)}.participant-card>p{font-size:13px;color:var(--muted);margin:0}.site-footer{max-width:1144px;margin:0 auto;padding:22px 0 28px;border-top:1px solid var(--line);display:flex;justify-content:space-between;gap:24px;font-size:11px;color:#83907f}.site-footer>span:first-child{font-weight:650;color:#697b67}
@media(max-width:1000px){.site-header{padding:0 28px}.auth-layout{gap:40px}.auth-intro h1{font-size:42px}.create-layout{gap:30px;grid-template-columns:minmax(0,1fr) 250px}.site-footer{margin:0 28px}.account-menu>span{max-width:150px}.environment{font-size:10px}}
@media(max-width:760px){.site-header{height:72px;padding:0 20px;gap:14px}.header-label{padding-left:14px}.environment{display:none}.brand{font-size:23px}.brand-mark{height:31px;width:30px;line-height:26px;font-size:29px}.account-menu{gap:12px}.account-menu>span{display:none}main{padding:0 20px;min-height:calc(100vh - 145px)}.auth-layout{grid-template-columns:1fr;gap:28px;padding:35px 0 45px;max-width:500px;margin:auto}.auth-intro{padding-top:0}.auth-intro h1{font-size:35px}.auth-intro>p:not(.eyebrow){font-size:15px;margin-bottom:0}.intro-note{display:none}.auth-card{padding:27px}.workspace-nav{margin-bottom:28px;min-height:59px}.workspace-nav>span{display:none}.page-heading{margin-bottom:28px;align-items:flex-start;gap:18px}.page-heading h1{font-size:29px}.page-heading>.button{margin-top:27px;padding:10px 13px;white-space:nowrap}.page-heading .muted{font-size:13px}.eyebrow{font-size:10px}.create-layout{grid-template-columns:1fr;gap:18px}.create-form{padding:24px}.creation-note{padding:5px 5px 0}.creation-note h2{font-size:21px}.detail-grid{grid-template-columns:1fr}.share-card,.time-card,.participant-card{padding:23px}.site-footer{margin:0 20px;font-size:10px}.workspace{padding-bottom:40px}.empty-state{padding:45px 20px}}
@media(max-width:400px){.radio-options{grid-template-columns:1fr}.page-heading{flex-direction:column;gap:18px}.page-heading>.button{margin-top:0}.copy-row{flex-wrap:wrap}.copy-row>.button{width:100%}.auth-card{padding:23px}.header-label{font-size:12px}.site-footer{gap:10px}}
.retry-button{margin-top:16px}
.teacher-dialog{width:min(580px,calc(100vw - 32px));max-height:calc(100dvh - 48px);overflow:auto;padding:28px;border:1px solid var(--line);border-radius:12px;color:var(--ink);box-shadow:0 18px 70px #18372844}.teacher-dialog::backdrop{background:#18372877}.teacher-dialog h2{line-height:1.35}.teacher-dialog h3{font-size:17px;margin-top:27px}.teacher-dialog p{font-size:14px;line-height:1.65}.teacher-dialog .form-actions{justify-content:flex-end;flex-wrap:wrap}.action-fields{border:0;padding:0;margin:0;min-width:0}.individual-choice{padding:17px 0;border-top:1px solid var(--line)}.individual-choice label{margin-top:16px}.participant-actions .button{display:block;white-space:nowrap;margin:0 0 8px auto;padding:8px 12px;min-height:36px}.participant-table td:first-child{min-width:110px}.participant-table td:nth-child(2){white-space:normal;min-width:210px}.time-card>.button{margin-top:18px}
@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}
.participant-counts{display:flex;flex-wrap:wrap;gap:32px;margin:24px 0}.participant-counts strong{display:block;font-size:28px}.participant-counts span{font-size:14px;color:#64746a}.participant-table-scroll{overflow:auto}.participant-table{width:100%;border-collapse:collapse;font-size:14px;text-align:left}.participant-table th,.participant-table td{padding:14px 12px;border-bottom:1px solid #e0e7df;vertical-align:top}.participant-table small{display:block;margin-top:7px;color:#65746c}.participant-table a{color:#23654f;font-weight:700}
.participant-dialog{width:min(540px,92vw);border:1px solid #c8d3c9;border-radius:14px;padding:28px;color:#182e22;box-shadow:0 25px 80px #0004}
.participant-dialog::backdrop{background:#14291cb3}.participant-dialog h2{margin-top:0}.participant-dialog p{line-height:1.6}.participant-dialog input{width:100%;box-sizing:border-box;margin:8px 0 20px}
.participant-more summary{cursor:pointer;padding:8px 0;font-size:13px}.participant-more[open]{display:grid;gap:6px}.participant-more button{display:block;margin:6px 0}
.deleted-students{padding:16px;margin:12px 0;background:#fff7e9;border:1px solid #e1ccaa;border-radius:9px}.deleted-students h3{margin:0 0 12px}.deleted-students p{display:flex;align-items:center;justify-content:space-between;gap:12px}
.table-scroll-hint{display:none;font-size:13px;color:var(--muted)}.participant-table-scroll:focus-visible{outline:3px solid #bc883e;outline-offset:3px}@media(max-width:700px){.table-scroll-hint{display:block}.deleted-students p{align-items:flex-start;flex-direction:column}}
.participant-card>.participant-export-help{margin:0 0 18px;max-width:680px;line-height:1.6}.participant-downloads{display:flex;flex-direction:column;align-items:flex-start;gap:7px;margin-top:12px;width:175px}.participant-downloads .button{min-height:40px;padding:8px 12px;white-space:nowrap;color:var(--green);border-color:#b5cabb}.participant-download-message{font-size:12px;line-height:1.5;color:var(--green);margin:2px 0 0;white-space:normal;overflow-wrap:anywhere}.participant-download-message.download-error{color:var(--error)}