:root{--ink:#182238;--muted:#687083;--paper:#f4f5f8;--card:#fff;--accent:#244a7c;--accent-soft:#e3eaf4;--line:#d9dee8}*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font:16px/1.55 system-ui,sans-serif}header{min-height:68px;display:flex;align-items:center;justify-content:space-between;gap:20px;padding:12px max(5vw,24px);border-bottom:1px solid var(--line);background:#fff}header nav{display:flex;align-items:center;gap:18px;flex-wrap:wrap}a{color:var(--accent);text-decoration:none}.brand{font:700 21px Georgia,serif;color:var(--ink)}.inline-form{display:inline}.link-button{border:0;background:none;padding:0;color:var(--accent);font:inherit;cursor:pointer}main{max-width:1200px;margin:auto;padding:48px 24px}.hero{max-width:780px;margin-bottom:48px}.eyebrow{text-transform:uppercase;letter-spacing:.14em;color:var(--accent);font-size:12px;font-weight:700}h1{font:700 clamp(34px,5vw,58px)/1.04 Georgia,serif;margin:10px 0 28px}.search{display:flex;gap:10px}.search input{flex:1;padding:15px;border:1px solid var(--line);border-radius:8px;font-size:16px}input:focus{outline:2px solid var(--accent);outline-offset:1px}.search button,.auth-form button,.oauth-buttons button{padding:14px 24px;border:0;border-radius:8px;background:var(--accent);color:#fff;font-weight:700;cursor:pointer}.layout{display:grid;grid-template-columns:280px 1fr;gap:42px}aside{border-right:1px solid var(--line);padding-right:28px}aside h2,.section-heading h2{font:700 24px Georgia,serif}summary{cursor:pointer;font-weight:650}ul{padding-left:16px;list-style:none}li{margin:8px 0}.section-heading{display:flex;align-items:center;justify-content:space-between}.problem-card{display:block;padding:22px 0;border-top:1px solid var(--line);color:var(--ink)}.problem-card:hover strong{color:var(--accent)}.problem-card .number,.number{display:inline-block;background:var(--accent-soft);color:var(--accent);padding:3px 8px;border-radius:4px;font:700 12px monospace;margin-right:12px}.problem-card p{color:var(--muted);white-space:pre-line}.empty{padding:40px;background:var(--card);border-radius:10px}.back{display:inline-block;margin-bottom:25px}.problem-detail{max-width:820px;background:#fff;padding:clamp(24px,5vw,60px);border:1px solid var(--line);border-radius:12px}.problem-detail h1{font-size:32px}.problem-meta{display:flex;gap:9px;align-items:center;flex-wrap:wrap;color:var(--muted)}.problem-detail section{margin:32px 0}.reveal{margin:20px 0;padding:20px;border:1px solid var(--line);border-radius:8px;background:#fbfcfe}.reveal[open]{border-color:#aebdd1}.reveal summary{color:var(--accent)}.reveal-content{padding-top:18px}.answer{border-left:3px solid var(--accent)}figure{margin:24px 0}figure img{max-width:100%;height:auto}figcaption{color:var(--muted);font-size:14px}.missing-image{color:#a33}.auth-card{max-width:520px;margin:20px auto;background:#fff;padding:clamp(25px,5vw,48px);border:1px solid var(--line);border-radius:12px}.auth-card h1{font-size:40px}.auth-form p{margin:18px 0}.auth-form label{display:block;margin-bottom:6px;font-weight:650}.auth-form input{width:100%;padding:12px;border:1px solid var(--line);border-radius:7px;font-size:16px}.auth-form .helptext,.form-note{display:block;color:var(--muted);font-size:14px}.errorlist{color:#9b2735;padding-left:18px}.divider{display:flex;align-items:center;gap:12px;margin:28px 0;color:var(--muted)}.divider:before,.divider:after{content:"";height:1px;flex:1;background:var(--line)}.oauth-buttons{display:grid;gap:10px}.oauth-buttons form,.oauth-buttons button{width:100%}@media(max-width:750px){main{padding:30px 18px}.layout{grid-template-columns:1fr}aside{border-right:0;border-bottom:1px solid var(--line);padding-bottom:20px}.search{flex-direction:column}.search button{padding:14px}header{align-items:flex-start}}
.difficulty{display:inline-flex;gap:2px;margin-left:10px;white-space:nowrap;vertical-align:middle}.difficulty-star{color:#c9cfda;font-size:18px;line-height:1;text-shadow:none}.difficulty-star.active{color:var(--accent);text-shadow:0 0 7px rgba(36,74,124,.22)}
.recovery-card{position:relative;overflow:hidden}.recovery-card:before{content:"";position:absolute;width:180px;height:180px;border-radius:50%;background:var(--accent-soft);right:-90px;top:-95px}.auth-icon{position:relative;display:grid;place-items:center;width:48px;height:48px;border-radius:50%;margin-bottom:22px;background:var(--accent-soft);color:var(--accent);font-size:23px;font-weight:800}.auth-icon.success{background:#e3edf1;color:#245f70}.auth-icon.error{background:#f4e6e9;color:#9b2735}.auth-intro{max-width:440px;margin:-12px 0 26px;color:var(--muted)}.field-error{display:block;margin-top:7px;color:#9b2735;font-size:14px}.form-errors{padding:12px 14px;border-radius:7px;background:#f8e9ec;color:#8c2131}.auth-secondary{margin:25px 0 0;text-align:center}.auth-result{text-align:center}.auth-result .auth-icon{margin-left:auto;margin-right:auto}.notice{display:flex;flex-direction:column;gap:4px;margin:24px 0;padding:16px;border:1px solid var(--line);border-radius:8px;background:#f8f9fc;text-align:left;color:var(--muted)}.notice strong{color:var(--ink)}.primary-link{display:inline-block;padding:13px 22px;border-radius:8px;background:var(--accent);color:#fff;font-weight:700}
.messages{max-width:820px;margin:0 auto 24px}.message{padding:14px 18px;border-radius:8px;border:1px solid var(--line);background:#fff}.message.success{border-color:#aac5cf;background:#edf5f7;color:#245f70}.import-page{max-width:820px;margin:auto}.import-page>h1{margin-bottom:28px}.upload-card{margin:32px 0;padding:28px;background:#fff;border:1px solid var(--line);border-radius:12px}.drop-zone{display:flex;min-height:220px;flex-direction:column;align-items:center;justify-content:center;gap:7px;padding:24px;border:2px dashed #b5c1d2;border-radius:10px;background:#f8fafd;text-align:center;cursor:pointer;transition:.2s}.drop-zone:hover{border-color:var(--accent);background:var(--accent-soft)}.drop-zone span{color:var(--muted)}.drop-zone input[type=file]{max-width:100%;margin-top:14px}.upload-icon{display:grid;place-items:center;width:48px;height:48px;border-radius:50%;background:#fff;color:var(--accent)!important;font-size:28px;box-shadow:0 3px 14px rgba(24,34,56,.1)}.upload-submit{width:100%;margin-top:18px;padding:14px 22px;border:0;border-radius:8px;background:var(--accent);color:#fff;font-weight:700;cursor:pointer}.upload-error{padding:12px;background:#f8e9ec;border-radius:7px}.format-help{margin-top:38px}.format-help h2{font:700 25px Georgia,serif}.format-help pre{overflow:auto;padding:20px;border-radius:9px;background:var(--ink);color:#edf1f7}.format-help code{font-size:14px}
.message.error{border-color:#d8a6af;background:#f8e9ec;color:#8c2131}.bundled-packages{margin:34px 0 42px}.bundled-packages-heading{display:flex;align-items:flex-end;justify-content:space-between;gap:18px;margin-bottom:16px}.bundled-packages-heading h2{margin:3px 0 0;font:700 28px Georgia,serif}.bundled-packages-heading>span{display:grid;place-items:center;min-width:36px;height:36px;padding:0 10px;border-radius:999px;background:var(--accent-soft);color:var(--accent);font-weight:800}.bundled-package-grid{display:grid;gap:14px}.bundled-package-card{padding:25px;border:1px solid #b8c4d5;border-radius:13px;background:#fff;box-shadow:0 10px 28px rgba(24,34,56,.05)}.bundled-package-title{display:flex;align-items:flex-start;justify-content:space-between;gap:20px}.bundled-package-title span{color:var(--accent);font-size:12px;font-weight:800;text-transform:uppercase;letter-spacing:.08em}.bundled-package-title h3{margin:5px 0 0;font:700 27px Georgia,serif}.bundled-package-title strong{flex:0 0 auto;padding:6px 10px;border-radius:999px;background:var(--accent-soft);color:var(--accent);font-size:13px}.bundled-package-card>p{color:var(--muted)}.bundled-package-card ul{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px;margin:20px 0;padding:0}.bundled-package-card li{margin:0;padding:10px;border-radius:7px;background:#f5f7fa;color:var(--muted);font-size:13px}.bundled-package-card form button{width:100%;padding:13px 20px;border:0;border-radius:8px;background:var(--accent);color:#fff;font-weight:800;cursor:pointer}.bundled-package-card small{display:block;margin-top:9px;color:var(--muted);text-align:center}.manual-upload-title{margin:0 0 -16px;font:700 27px Georgia,serif}@media(max-width:650px){.bundled-package-title{flex-direction:column;gap:10px}.bundled-package-card ul{grid-template-columns:1fr}.bundled-package-card{padding:20px}.bundled-package-title h3{font-size:24px}}
.main-nav a{padding:7px 2px;border-bottom:2px solid transparent}.main-nav a:hover{border-color:var(--accent)}.welcome{display:grid;grid-template-columns:minmax(0,1.4fr) minmax(260px,.6fr);gap:70px;align-items:center;min-height:480px}.welcome-copy>p:not(.eyebrow){max-width:680px;color:var(--muted);font-size:19px}.welcome-actions{display:flex;gap:14px;margin-top:32px;flex-wrap:wrap}.secondary-link{display:inline-block;padding:12px 20px;border:1px solid #aebbd0;border-radius:8px;color:var(--accent);font-weight:700;background:#fff}.welcome-panel{padding:34px;border:1px solid var(--line);border-radius:16px;background:#fff;box-shadow:0 18px 50px rgba(24,34,56,.08)}.welcome-panel>div{display:flex;align-items:baseline;justify-content:space-between;padding:15px 0;border-bottom:1px solid var(--line)}.welcome-panel strong{font:700 42px Georgia,serif;color:var(--accent)}.welcome-panel span,.welcome-panel p{color:var(--muted)}.welcome-panel p{margin:22px 0 0;font-size:13px}.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:30px}.feature-grid article{padding:28px;border-top:2px solid var(--accent);background:#fff}.feature-grid article>span{font:700 12px monospace;color:var(--accent)}.feature-grid h2{font:700 22px Georgia,serif}.feature-grid p{color:var(--muted)}.profile-layout{display:grid;grid-template-columns:260px 1fr;gap:50px;align-items:start}.profile-summary{padding:30px;background:var(--ink);color:#fff;border:0;border-radius:14px;text-align:center}.profile-summary h1{margin:17px 0 4px;font-size:30px;overflow-wrap:anywhere}.profile-summary p{margin:0 0 14px;color:#bfc9d8}.profile-summary>span{font-size:13px;color:#aeb8c8;overflow-wrap:anywhere}.profile-avatar{display:grid;place-items:center;width:78px;height:78px;margin:auto;border-radius:50%;background:var(--accent-soft);color:var(--accent);font:700 34px Georgia,serif}.profile-content{max-width:680px}.profile-content>h2{font:700 38px Georgia,serif;margin:5px 0 22px}.profile-form{padding:28px;border:1px solid var(--line);border-radius:12px;background:#fff}.profile-form input:disabled{background:#eef0f4;color:#727a89;cursor:not-allowed}.email-note{padding:11px 13px;border-left:3px solid #aebbd0;background:#f5f7fa}.security-card{display:flex;align-items:center;justify-content:space-between;gap:24px;margin-top:22px;padding:24px;border:1px solid var(--line);border-radius:12px;background:#fff}.security-card h2{margin:0;font:700 23px Georgia,serif}.security-card p{margin:6px 0 0;color:var(--muted)}@media(max-width:850px){.welcome{grid-template-columns:1fr;gap:25px}.feature-grid{grid-template-columns:1fr}.profile-layout{grid-template-columns:1fr}.profile-summary{border-right:0}.security-card{align-items:flex-start;flex-direction:column}}
.social-error-page .auth-intro{margin-left:auto;margin-right:auto}.error-actions{display:flex;justify-content:center;gap:12px;flex-wrap:wrap;margin-top:25px}
.confirm-actions{display:flex;align-items:center;justify-content:center;gap:12px;flex-wrap:wrap}.primary-button,.danger-button{padding:13px 22px;border:0;border-radius:8px;color:#fff;font-weight:700;cursor:pointer}.primary-button{background:var(--accent)}.danger-button{background:#963247}.readonly-email{display:flex;flex-direction:column;gap:5px;padding:18px;border:1px solid var(--line);border-radius:8px;background:#f7f8fb}.readonly-email span{color:var(--muted);font-size:13px}.readonly-email strong{overflow-wrap:anywhere}.connections-card h2{margin-top:28px;font:700 24px Georgia,serif}.connection-list{display:grid;gap:12px;margin:24px 0}.connection-list label{display:flex;gap:10px;padding:15px;border:1px solid var(--line);border-radius:8px}
.catalog-filters{margin-top:30px}.catalog-filters h2{margin-bottom:12px}.visually-hidden{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.difficulty-picker{display:flex;flex-direction:row-reverse;justify-content:flex-end;gap:3px;margin:0;padding:0;border:0}.difficulty-picker input{position:absolute;opacity:0;pointer-events:none}.difficulty-picker label{color:#c9cfda;font-size:29px;line-height:1;cursor:pointer;transition:color .15s,transform .15s}.difficulty-picker label:hover,.difficulty-picker label:hover~label,.difficulty-picker input:checked~label{color:var(--accent);text-shadow:0 0 7px rgba(36,74,124,.22)}.difficulty-picker label:hover{transform:scale(1.12)}.difficulty-picker input:focus-visible+label{outline:2px solid var(--accent);outline-offset:3px;border-radius:2px}.difficulty-reset{display:inline-block;margin-top:10px;font-size:14px}.catalog-filters button{width:100%;margin-top:10px;padding:11px;border:0;border-radius:7px;background:var(--accent);color:#fff;font-weight:700;cursor:pointer}.pagination{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-top:28px;padding-top:22px;border-top:1px solid var(--line)}.pagination span{color:var(--muted);font-size:14px}.pagination a{font-weight:700}
.catalog-nav-heading{display:flex;align-items:center;justify-content:space-between;gap:12px}.catalog-nav-heading>a{font-size:14px}.subject-group{padding:11px 0;border-bottom:1px solid var(--line)}.subject-group summary{padding:4px 0}.subject-link{display:block;margin:8px 0 5px;padding:6px 9px;border-radius:6px;font-size:14px}.subject-link.active,.topic-tree li.active>a{background:var(--accent-soft);color:var(--accent);font-weight:700}.topic-tree{margin:4px 0;padding-left:12px;border-left:1px solid var(--line)}.topic-tree .topic-tree{margin-left:8px}.topic-tree li{margin:3px 0}.topic-tree a{display:block;padding:5px 8px;border-radius:5px;font-size:14px}.topic-tree a:hover{background:#edf1f6}.nav-empty{color:var(--muted);font-size:14px}.active-filters{display:flex;align-items:center;gap:8px;flex-wrap:wrap;margin-bottom:18px}.active-filters span{padding:5px 9px;border-radius:999px;background:var(--accent-soft);color:var(--accent);font-size:13px}.active-filters a{margin-left:auto;font-size:14px;font-weight:700}
.profile-status{display:flex;flex-direction:column;gap:3px;margin:14px 0 17px;padding:12px;border:1px solid rgba(255,255,255,.18);border-radius:8px;background:rgba(255,255,255,.07)}.profile-status span{color:#aeb8c8;font-size:12px;text-transform:uppercase;letter-spacing:.08em}.profile-status strong{color:#fff;font-size:16px}
.problem-card{display:flex;align-items:flex-start;gap:18px}.problem-card-content{min-width:0;flex:1}.problem-thumbnail{width:120px;max-height:90px;flex:0 0 120px;object-fit:contain;border:1px solid var(--line);border-radius:7px;background:#fff}@media(max-width:560px){.problem-card{gap:12px}.problem-thumbnail{width:84px;max-height:68px;flex-basis:84px}}
.problem-card{display:block}.problem-thumbnail{display:block;margin-top:12px}.display-filters{margin-top:28px}.display-filters h2{margin-bottom:10px}.display-filters a{display:block;margin:4px 0;padding:7px 9px;border-radius:6px;font-size:14px}.display-filters a.active{background:var(--accent-soft);color:var(--accent);font-weight:700}
.teacher-tests{margin-top:34px}.teacher-tests-heading{display:flex;align-items:center;justify-content:space-between;gap:18px;margin-bottom:15px}.teacher-tests-heading h2{margin:2px 0;font:700 30px Georgia,serif}.test-list{display:grid;gap:10px}.test-list>a{display:grid;grid-template-columns:1fr auto;gap:3px 18px;padding:16px;border:1px solid var(--line);border-radius:9px;background:#fff}.test-list>a:hover{border-color:#aebdd1}.test-list strong{color:var(--ink)}.test-list span{color:var(--muted);font-size:14px}.test-list time{grid-column:2;grid-row:1/3;color:var(--muted);font-size:13px}.test-create-page,.generated-test-page{max-width:900px;margin:auto}.test-create-page h1,.generated-test-heading h1{margin-bottom:18px}.test-intro{max-width:700px;margin:-5px 0 28px;color:var(--muted)}.test-create-form{max-width:700px;padding:30px;border:1px solid var(--line);border-radius:12px;background:#fff}.test-create-form select,.test-create-form input[type=number]{width:100%;padding:12px;border:1px solid var(--line);border-radius:7px;font:inherit}.test-create-form input[type=checkbox]{width:auto;margin-right:8px}.generated-test-heading{padding-bottom:24px;border-bottom:1px solid var(--line)}.test-meta{display:flex;gap:8px;flex-wrap:wrap}.test-meta span{padding:5px 9px;border-radius:999px;background:var(--accent-soft);color:var(--accent);font-size:13px}.generated-problems{padding-left:32px}.generated-problems>li{margin:28px 0;padding-left:8px}.generated-problems article{padding:28px;border:1px solid var(--line);border-radius:12px;background:#fff}.test-statement{margin:20px 0}.generated-problems figure{width:min(100%,360px)}@media(max-width:650px){.teacher-tests-heading{align-items:flex-start;flex-direction:column}.test-list>a{grid-template-columns:1fr}.test-list time{grid-column:1;grid-row:auto}.generated-problems{padding-left:20px}.generated-problems article{padding:20px}}
.test-setup-summary{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:18px}.test-setup-summary span{padding:6px 10px;border-radius:999px;background:var(--accent-soft);color:var(--accent);font-size:13px}.test-item-grid{display:grid;gap:14px}.test-item-card{display:grid;grid-template-columns:minmax(220px,2fr) minmax(130px,1fr) minmax(220px,1.4fr);gap:16px;padding:20px;border:1px solid var(--line);border-radius:10px;background:#fff}.test-item-card legend{padding:0 8px;font-weight:800;color:var(--accent)}.test-item-card p{margin:0}.test-item-card label{display:block;margin-bottom:6px;font-weight:650}.test-item-card select{width:100%;padding:11px;border:1px solid var(--line);border-radius:7px;background:#fff;font:inherit}.test-form-actions{display:flex;align-items:center;justify-content:flex-end;gap:12px;margin-top:22px}.response-area{display:flex;flex-direction:column;gap:4px;margin:18px 0;padding:12px 15px;border:1px dashed #aebdd1;border-radius:8px;background:#fafbfd}.response-area span{color:var(--muted);font-size:13px}.response-area.solution{min-height:110px}.response-area.answer{min-height:54px}@media(max-width:760px){.test-item-card{grid-template-columns:1fr}.test-form-actions{align-items:stretch;flex-direction:column-reverse}.test-form-actions a,.test-form-actions button{text-align:center;width:100%}}
.test-create-page{max-width:1080px}.test-steps{display:grid;grid-template-columns:1fr 1fr;max-width:700px;margin:0 0 28px;padding:0;list-style:none}.test-steps li{display:flex;align-items:center;gap:9px;padding:10px 14px;border-bottom:2px solid var(--line);color:var(--muted)}.test-steps li>span{display:grid;place-items:center;width:28px;height:28px;border-radius:50%;background:#e9ecf1;font-size:13px}.test-steps li.active{border-color:var(--accent);color:var(--ink)}.test-steps li.active>span{background:var(--accent);color:#fff}.test-steps li.complete>span:after{content:'✓';font-size:15px}.test-steps li.complete>span{font-size:0}.setup-fields{display:grid;grid-template-columns:minmax(0,2fr) minmax(150px,1fr);gap:18px}.setup-fields p{margin:0}.setup-fields label{display:block;margin-bottom:6px;font-weight:650}.setup-title input{width:100%}.setup-title .helptext{display:block;margin-top:6px}.setup-unique{display:flex;align-items:flex-start;grid-column:1/-1;padding:14px;border-radius:8px;background:#f5f7fa}.setup-unique label{margin:0}.test-setup-toolbar{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:18px}.test-setup-summary{margin:0}.copy-settings{padding:9px 13px;border:1px solid #aebbd1;border-radius:7px;background:#fff;color:var(--accent);font-weight:700;cursor:pointer}.copy-settings:hover{background:var(--accent-soft)}.test-item-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}.test-item-card{display:block;min-width:0;padding:20px 22px}.test-item-card legend{display:flex;align-items:center;gap:7px}.test-item-card legend span{display:grid;place-items:center;width:25px;height:25px;border-radius:50%;background:var(--accent-soft);font-size:12px}.test-item-card p{margin:0 0 16px}.response-mode-field>.field-label{display:block;margin-bottom:7px;font-weight:650}.response-mode-field ul{display:grid;gap:7px;margin:0;padding:0;list-style:none}.response-mode-field li{margin:0}.response-mode-field label{display:flex;align-items:flex-start;gap:8px;margin:0;padding:9px 10px;border:1px solid var(--line);border-radius:7px;background:#fafbfd;font-size:14px;cursor:pointer}.response-mode-field input{margin-top:3px}.test-form-actions{position:sticky;bottom:0;z-index:2;margin:24px -10px 0;padding:14px 10px;border-top:1px solid var(--line);background:rgba(244,245,248,.96);backdrop-filter:blur(8px)}@media(max-width:800px){.test-item-grid{grid-template-columns:1fr}.test-setup-toolbar{align-items:stretch;flex-direction:column}.copy-settings{width:100%}}@media(max-width:560px){.test-steps{grid-template-columns:1fr}.setup-fields{grid-template-columns:1fr}.test-create-form{padding:22px}.test-item-card{padding:17px}.test-steps li strong{font-size:14px}}
.test-item-heading{display:flex;align-items:center;gap:9px;margin:0 0 20px;padding-bottom:13px;border-bottom:1px solid var(--line);font:700 20px Georgia,serif;color:var(--ink)}.test-item-heading span{display:grid;place-items:center;width:28px;height:28px;flex:0 0 28px;border-radius:50%;background:var(--accent-soft);color:var(--accent);font:700 13px system-ui,sans-serif}
.test-difficulty-field{margin:0 0 16px}.test-difficulty-field>.field-label{display:block;margin-bottom:7px;font-weight:650}.test-difficulty-picker{display:flex;flex-direction:row-reverse;justify-content:flex-end;gap:4px;width:max-content}.test-difficulty-picker input{position:absolute;opacity:0;pointer-events:none}.test-difficulty-picker label{color:#c9cfda;font-size:31px;line-height:1;cursor:pointer;transition:color .15s,transform .15s}.test-difficulty-picker label:hover,.test-difficulty-picker label:hover~label,.test-difficulty-picker input:checked~label{color:var(--accent);text-shadow:0 0 7px rgba(36,74,124,.22)}.test-difficulty-picker label:hover{transform:scale(1.1)}.test-difficulty-picker input:focus-visible+label{outline:2px solid var(--accent);outline-offset:3px;border-radius:3px}
.generated-test-title-row{display:flex;align-items:flex-start;justify-content:space-between;gap:22px}.generated-test-title-row .primary-link{flex:0 0 auto}@media(max-width:650px){.generated-test-title-row{flex-direction:column}.generated-test-title-row .primary-link{width:100%;text-align:center}}
.tests-page{max-width:1040px;margin:auto}.tests-heading{display:flex;align-items:flex-start;justify-content:space-between;gap:36px;margin-bottom:30px;padding-bottom:28px;border-bottom:1px solid var(--line)}.tests-heading h1{margin:7px 0 14px}.tests-heading p:not(.eyebrow){max-width:680px;margin:0;color:var(--muted);font-size:17px}.tests-heading>.primary-link{flex:0 0 auto;margin-top:28px}.tests-summary{margin-bottom:16px;color:var(--muted)}.tests-summary strong{color:var(--ink);font-size:20px}.test-library-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}.test-library-card{display:flex;min-width:0;min-height:220px;flex-direction:column;padding:24px;border:1px solid var(--line);border-radius:12px;background:#fff;box-shadow:0 8px 25px rgba(24,34,56,.04);transition:border-color .16s,transform .16s,box-shadow .16s}.test-library-card:hover{transform:translateY(-2px);border-color:#b3c0d3;box-shadow:0 13px 30px rgba(24,34,56,.08)}.test-library-card-heading{display:flex;align-items:flex-start;justify-content:space-between;gap:18px}.test-library-card-heading h2{margin:5px 0 0;font:700 25px/1.2 Georgia,serif;overflow-wrap:anywhere}.test-library-card-heading h2 a{color:var(--ink)}.test-library-card-heading h2 a:hover{color:var(--accent)}.test-library-card-heading time{display:flex;flex:0 0 auto;flex-direction:column;align-items:flex-end;color:var(--muted);font-size:13px}.test-library-card-heading time span{font-size:12px}.test-card-number{color:var(--accent);font:700 11px monospace;text-transform:uppercase;letter-spacing:.08em}.test-card-meta{display:flex;gap:7px;flex-wrap:wrap;margin:22px 0}.test-card-meta span{padding:5px 9px;border-radius:999px;background:#f0f3f8;color:var(--muted);font-size:12px}.test-card-actions{display:flex;align-items:center;justify-content:space-between;gap:14px;margin-top:auto;padding-top:15px;border-top:1px solid var(--line)}.test-card-actions a{font-size:14px;font-weight:700}.tests-empty{padding:60px 28px;border:1px dashed #b7c1d1;border-radius:14px;background:#fff;text-align:center}.tests-empty>span{display:grid;place-items:center;width:54px;height:54px;margin:0 auto 17px;border-radius:50%;background:var(--accent-soft);color:var(--accent);font-size:30px}.tests-empty h2{margin:0;font:700 27px Georgia,serif}.tests-empty p{max-width:530px;margin:10px auto 24px;color:var(--muted)}@media(max-width:760px){.tests-heading{flex-direction:column;gap:16px}.tests-heading>.primary-link{width:100%;margin-top:0;text-align:center}.test-library-grid{grid-template-columns:1fr}}@media(max-width:480px){.test-library-card{padding:19px}.test-library-card-heading{flex-direction:column}.test-library-card-heading time{align-items:flex-start}.test-card-actions{align-items:flex-start;flex-direction:column}}

@media(max-width:600px){
  body>header{min-height:0;align-items:stretch;flex-direction:column;gap:8px;padding:12px 18px}
  body>header .brand{align-self:flex-start;padding:5px 0}
  body>header .main-nav{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:5px 8px;width:100%}
  body>header .main-nav>a,body>header .main-nav .inline-form,body>header .main-nav .link-button{width:100%}
  body>header .main-nav>a,body>header .main-nav .link-button{display:flex;min-height:42px;align-items:center;padding:8px 10px;border:0;border-radius:7px;background:#f5f7fa;text-align:left}
  body>header .main-nav>a:hover,body>header .main-nav .link-button:hover{background:var(--accent-soft)}
  .tests-heading{gap:13px;margin-bottom:22px;padding-bottom:22px}
  .tests-heading h1{margin:5px 0 11px;font-size:38px}
  .tests-heading p:not(.eyebrow){font-size:16px;line-height:1.5}
  .tests-heading>.primary-link{min-height:48px;padding:11px 18px}
  .tests-summary{margin-bottom:12px}
  .test-library-grid{gap:12px}
  .test-library-card{min-height:0;padding:18px}
  .test-library-card-heading{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:12px}
  .test-library-card-heading h2{margin-top:4px;font-size:22px;line-height:1.18}
  .test-library-card-heading time{align-items:flex-end;font-size:12px}
  .test-card-meta{gap:6px;margin:15px 0}
  .test-card-meta span{padding:4px 8px;font-size:11px}
  .test-card-actions{display:grid;grid-template-columns:minmax(0,.8fr) minmax(0,1.4fr);gap:8px;padding-top:12px}
  .test-card-actions a{display:flex;min-height:44px;align-items:center;justify-content:center;padding:9px 8px;border:1px solid #b7c2d2;border-radius:7px;background:#fff;text-align:center;font-size:13px;line-height:1.2}
  .test-card-actions a:last-child{border-color:var(--accent);background:var(--accent);color:#fff}
  .tests-empty{padding:40px 20px}
}

@media(max-width:350px){
  .test-library-card-heading{grid-template-columns:1fr}
  .test-library-card-heading time{align-items:flex-start;flex-direction:row;gap:5px}
}

.subject-management-page{max-width:1040px;margin:auto}.subject-management-heading{margin-bottom:28px}.subject-management-heading h1{margin-bottom:14px}.subject-management-heading>p:last-child{max-width:720px;color:var(--muted);font-size:17px}.subject-management-grid{display:grid;grid-template-columns:minmax(280px,.75fr) minmax(0,1.4fr);gap:24px;align-items:start}.subject-create-card,.subject-list-card{padding:26px;border:1px solid var(--line);border-radius:12px;background:#fff}.subject-create-card{position:sticky;top:20px}.subject-create-card h2,.subject-list-heading h2{margin:0;font:700 25px Georgia,serif}.subject-create-card input{width:100%;padding:12px;border:1px solid var(--line);border-radius:7px;font:inherit}.subject-create-card .helptext{display:block;margin-top:6px;color:var(--muted);font-size:13px}.subject-create-card button{width:100%}.subject-list-heading{display:flex;align-items:center;justify-content:space-between;gap:15px;margin-bottom:17px}.subject-list-heading>span{display:grid;place-items:center;min-width:34px;height:34px;padding:0 9px;border-radius:999px;background:var(--accent-soft);color:var(--accent);font-weight:700}.subject-management-list{display:grid;gap:9px}.subject-management-list article{display:flex;align-items:center;justify-content:space-between;gap:18px;padding:15px 16px;border:1px solid var(--line);border-radius:9px;background:#fafbfd}.subject-management-list article>div{display:flex;min-width:0;flex-direction:column;gap:3px}.subject-management-list strong{overflow-wrap:anywhere}.subject-management-list code{color:var(--accent);font-size:12px}.subject-management-list article>span{flex:0 0 auto;color:var(--muted);font-size:13px}@media(max-width:760px){.subject-management-grid{grid-template-columns:1fr}.subject-create-card{position:static}.subject-management-heading>p:last-child{font-size:16px}}@media(max-width:480px){.subject-create-card,.subject-list-card{padding:19px}.subject-management-list article{align-items:flex-start;flex-direction:column;gap:8px}.subject-management-list article>span{flex:auto}}

.groups-page,.group-detail-page{max-width:1060px;margin:auto}.groups-heading{display:flex;align-items:flex-start;justify-content:space-between;gap:30px;margin-bottom:30px}.groups-heading h1{margin-bottom:14px}.groups-heading p:not(.eyebrow),.group-form-intro{max-width:680px;color:var(--muted);font-size:17px}.groups-heading>.primary-link{flex:0 0 auto;margin-top:28px}.group-card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:17px}.group-card{display:flex;min-height:245px;flex-direction:column;padding:22px;border:1px solid var(--line);border-radius:12px;background:#fff;box-shadow:0 8px 24px rgba(24,34,56,.04)}.group-card-top{display:flex;align-items:center;justify-content:space-between;gap:10px;color:var(--accent);font-size:12px}.group-card-top>span{text-transform:uppercase;letter-spacing:.1em;font-weight:800}.group-card-top strong{color:var(--muted);font-weight:600}.group-card h2{margin:16px 0 5px;font:700 25px/1.2 Georgia,serif;overflow-wrap:anywhere}.group-card h2 a{color:var(--ink)}.group-card>p{margin:0 0 14px;color:var(--muted);font-size:13px}.group-subjects{display:flex;gap:6px;flex-wrap:wrap}.group-subjects span{padding:5px 9px;border-radius:999px;background:var(--accent-soft);color:var(--accent);font-size:12px}.group-open-link{margin-top:auto;padding-top:18px;font-weight:700}.groups-empty{grid-column:1/-1;padding:55px 28px;border:1px dashed #b7c1d1;border-radius:13px;background:#fff;text-align:center}.groups-empty h2{margin:0;font:700 28px Georgia,serif}.groups-empty p{margin:9px auto 22px;color:var(--muted)}.group-form-page{max-width:720px;margin:auto}.group-form-page h1{margin-bottom:12px}.group-create-form{margin-top:26px;padding:28px;border:1px solid var(--line);border-radius:12px;background:#fff}.group-create-form>p>label,.group-action-card>p>label{display:block;margin-bottom:7px;font-weight:700}.group-create-form #id_subjects,.group-action-card #id_group-subjects{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}.group-create-form #id_subjects>div,.group-action-card #id_group-subjects>div{margin:0}.group-create-form #id_subjects label,.group-action-card #id_group-subjects label{display:flex;align-items:center;gap:8px;margin:0;padding:10px;border:1px solid var(--line);border-radius:7px;background:#fafbfd;cursor:pointer}.group-create-form input[type=checkbox],.group-action-card input[type=checkbox]{width:auto}.group-detail-heading{display:flex;align-items:flex-start;justify-content:space-between;gap:24px;margin-bottom:28px}.group-detail-heading h1{margin-bottom:16px}.group-role-badge{padding:7px 11px;border-radius:999px;background:#e4eef0;color:#245f70;font-size:13px;font-weight:700}.group-role-badge.student{background:var(--accent-soft);color:var(--accent)}.group-members-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}.group-member-card,.group-invitations{padding:24px;border:1px solid var(--line);border-radius:12px;background:#fff}.group-section-heading{display:flex;align-items:center;justify-content:space-between;gap:15px;margin-bottom:16px}.group-section-heading h2{margin:0;font:700 25px Georgia,serif}.group-section-heading>span{display:grid;place-items:center;min-width:32px;height:32px;padding:0 8px;border-radius:999px;background:var(--accent-soft);color:var(--accent);font-weight:700}.group-member-card ul{display:grid;gap:8px;margin:0;padding:0}.group-member-card li{display:grid;grid-template-columns:1fr auto;gap:2px 12px;margin:0;padding:11px 12px;border-radius:8px;background:#f7f8fb}.group-member-card li>span{grid-column:1;color:var(--muted);font-size:13px;overflow-wrap:anywhere}.group-member-card li>small{grid-column:2;grid-row:1/3;align-self:center;color:var(--accent)}.group-list-empty{color:var(--muted)}.group-management{margin-top:34px}.group-management>.group-section-heading{margin-bottom:15px}.group-management-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:15px}.group-action-card{padding:20px;border:1px solid var(--line);border-radius:11px;background:#fff}.group-action-card h3{margin:0 0 13px;font:700 20px Georgia,serif}.group-action-card .form-note{min-height:43px;margin:0 0 12px}.group-action-card input[type=email],.group-action-card input[type=text]{width:100%;padding:11px;border:1px solid var(--line);border-radius:7px;font:inherit}.group-action-card button{width:100%;padding-left:12px;padding-right:12px}.group-invitations{margin-top:22px}.invitation-list{display:grid;gap:10px}.invitation-list article{display:grid;grid-template-columns:minmax(180px,.65fr) minmax(0,1.35fr);gap:18px;align-items:center;padding:14px;border:1px solid var(--line);border-radius:9px}.invitation-list article>div:first-child{display:flex;min-width:0;flex-direction:column}.invitation-list article span{color:var(--muted);font-size:12px}.invitation-link{display:flex;min-width:0;gap:7px}.invitation-link input{min-width:0;flex:1;padding:9px;border:1px solid var(--line);border-radius:6px;background:#f7f8fb}.invitation-link button{padding:9px 12px;border:0;border-radius:6px;background:var(--accent-soft);color:var(--accent);font-weight:700;cursor:pointer}.group-invitation-card h1{font-size:38px}@media(max-width:900px){.group-card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.group-management-grid{grid-template-columns:1fr}.group-action-card .form-note{min-height:0}}@media(max-width:700px){.groups-heading,.group-detail-heading{flex-direction:column}.groups-heading>.primary-link{width:100%;margin-top:0;text-align:center}.group-card-grid,.group-members-grid{grid-template-columns:1fr}.invitation-list article{grid-template-columns:1fr}.group-role-badge{align-self:flex-start}}@media(max-width:480px){.group-card{min-height:0;padding:18px}.group-create-form,.group-member-card,.group-invitations{padding:19px}.group-create-form #id_subjects,.group-action-card #id_group-subjects{grid-template-columns:1fr}.group-member-card li{grid-template-columns:1fr}.group-member-card li>small{grid-column:1;grid-row:auto}.invitation-link{align-items:stretch;flex-direction:column}.invitation-link button{min-height:44px}}
