.tutor-page{min-height:100dvh;background:#f6f9fc;padding-bottom:calc(104px + env(safe-area-inset-bottom))}.tutee-header,.tutor-header{width:min(520px,100%);margin:0 auto;min-height:68px;padding:14px 16px 4px;display:flex;align-items:center;justify-content:space-between;gap:14px}.tutee-header .brand,.tutor-header .brand{min-width:0;padding:6px 8px 6px 6px;border-radius:14px;transition:background .2s ease,transform .2s ease}.tutee-header .brand:hover,.tutor-header .brand:hover{background:rgba(255,255,255,.72);transform:translateY(-1px)}.tutee-header .brand--compact,.tutor-header .brand--compact{gap:8px;font-size:18px;letter-spacing:0}.tutee-header .brand-name,.tutor-header .brand-name{font-family:"Google Sans Flex","Google Sans","Product Sans",var(--font-pretendard);font-size:20.5px;font-weight:600}.tutee-header .brand--compact .brand-mark,.tutor-header .brand--compact .brand-mark{width:32px;height:32px;border-radius:12px;box-shadow:0 8px 18px rgba(0,105,224,.13)}.tutee-header nav,.tutor-header nav{display:flex;align-items:center;min-width:0;gap:8px;color:var(--pine);font-size:12px;font-weight:600}.tutor-account-pill{min-width:0;display:inline-flex;align-items:center;gap:8px;height:40px;max-width:190px;padding:4px 11px 4px 4px;border:1px solid #e2edf6;border-radius:999px;background:rgba(247,251,255,.92);box-shadow:inset 0 1px 0 rgba(255,255,255,.9)}.tutee-avatar,.tutor-avatar{display:inline-flex;width:31px;height:31px;border-radius:50%;justify-content:center;align-items:center;color:var(--white);background:var(--elec);box-shadow:0 6px 14px rgba(0,105,224,.14)}.tutee-avatar .feather-icon,.tutor-avatar .feather-icon{width:15px;height:15px}.queue-column,.student-detail{border:1px solid #dfeaf4;background:var(--white);border-radius:18px;box-shadow:0 8px 20px rgba(30,47,67,.045);transition:border-color .2s ease,box-shadow .2s ease,transform .2s ease}.manage-card:hover,.queue-column:hover,.student-detail:hover{border-color:#d4e3ef;box-shadow:0 10px 24px rgba(30,47,67,.055)}.status-pill{display:inline-flex;align-items:center;gap:5px;width:max-content;border-radius:90px;font-size:11px;font-weight:600;padding:5px 9px;transition:background .2s ease,color .2s ease,transform .2s ease}.status-pill .feather-icon{width:11px;height:11px}.status-pill--attention{color:#c2410c;background:#fff0e8}.status-pill--steady{color:var(--elec);background:var(--ghostly)}.status-pill--excellent{color:var(--mint-t);background:var(--mint)}.dashboard-title{display:flex;justify-content:space-between;align-items:flex-end;margin:6px 0 20px}.dashboard-title .auth-kicker{margin-bottom:10px}.dashboard-title h1{font-size:27px;letter-spacing:-.05em}.dashboard-title>span{color:var(--pine);font-size:13px}.student-detail{padding:20px 16px}.detail-heading{display:flex;justify-content:space-between;align-items:center;margin-bottom:18px}.detail-heading p{color:var(--ash);font-size:13px;margin-bottom:5px}.detail-heading h2{font-size:22px;letter-spacing:-.04em}.detail-metrics{display:grid;grid-template-columns:repeat(4,1fr);grid-gap:8px;gap:8px;margin-bottom:18px}.detail-metrics article{border:1px solid #e6eff7;background:#f8fbfd;border-radius:13px;padding:13px 11px;transition:background .2s ease,transform .2s ease}.detail-metrics article:hover{background:#f2f8fd}.detail-metrics span,.detail-metrics strong{display:block}.detail-metrics strong{font-size:19px;letter-spacing:-.04em;margin-bottom:4px}.detail-metrics span{color:var(--pine);font-size:12px}.trend-card{display:grid;grid-template-columns:118px 1fr;grid-gap:16px;gap:16px;align-items:end;height:143px;padding:15px 16px 14px;border:1px solid #e6eff7;background:#f8fbfd;border-radius:13px;margin-bottom:17px}.trend-card>div:first-child{align-self:start}.trend-card strong,.trend-card>div:first-child span{display:block}.trend-card strong{font-size:14px;margin-bottom:6px}.trend-card>div:first-child span{color:var(--ash);font-size:11px}.trend-bars{height:93px;display:flex;align-items:flex-end;gap:17px}.trend-bars span{position:relative;flex:1 1;max-width:42px;min-height:10px;border-radius:6px 6px 3px 3px;background:var(--elec);transition:height .35s cubic-bezier(.22,1,.36,1),background .2s ease}.trend-bars small{position:absolute;top:-18px;left:50%;transform:translateX(-50%);color:var(--pine);font-size:11px}.coach-panel{border:1px solid #e6eff7;border-radius:13px;padding:16px 14px;display:grid;grid-template-columns:minmax(170px,1fr) 206px 126px;grid-gap:15px;gap:15px;align-items:end}.coach-panel label,.coach-panel p{color:var(--pine);font-size:12px;font-weight:600;margin-bottom:9px}.weak-words{display:flex;gap:5px;flex-wrap:wrap}.weak-words span{color:var(--elec);background:var(--sky-wash);border-radius:90px;padding:6px 9px;font-size:12px}.coach-panel select{display:block;width:100%;height:39px;border-radius:var(--form-control-radius);border:1px solid var(--form-control-border-strong);color:var(--obs);background:var(--white);padding:0 8px;margin-top:8px;font-size:var(--form-control-font-size);transition:border-color .18s ease,background .18s ease,box-shadow .18s ease}.coach-panel select:hover{border-color:var(--form-control-border-hover);background:var(--form-control-bg-hover)}.coach-panel button,.new-assignment{display:inline-flex;align-items:center;justify-content:center;gap:7px;height:39px;border:0;border-radius:12px;background:var(--ink);color:var(--white);font-size:13px;font-weight:600;cursor:pointer;padding:0 17px;transition:background .18s ease,color .18s ease}.coach-panel button:not(.app-select-trigger):not(.app-date-trigger):active,.coach-panel button:not(.app-select-trigger):not(.app-date-trigger):hover,.new-assignment:active,.new-assignment:hover{background:var(--form-button-bg-hover)}.coach-panel button .feather-icon,.new-assignment .feather-icon{width:14px;height:14px}.dashboard-notice{position:fixed;right:25px;bottom:26px;z-index:3;background:var(--ink);color:var(--white);border-radius:12px;padding:14px 18px;font-size:13px;box-shadow:0 15px 30px rgba(10,13,18,.17)}.tutor-b main{max-width:520px;margin:0 auto;padding:18px 16px calc(88px + env(safe-area-inset-bottom))}.tutee-tabs,.tutor-tabs{position:fixed;left:0;right:0;bottom:0;z-index:20;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));grid-gap:0;gap:0;padding:12px 0 calc(16px + env(safe-area-inset-bottom));border:1px solid rgba(219,232,242,.85);border-bottom:none;border-radius:20px 20px 0 0;background:rgba(255,255,255,.97);animation:dock-in .26s cubic-bezier(.22,1,.36,1) both;-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px)}@keyframes dock-in{0%{opacity:0}to{opacity:1}}.tutee-tabs button,.tutor-tabs button{min-width:0;border:0;background:transparent;color:var(--ash);display:inline-flex;flex-direction:column;align-items:center;justify-content:flex-start;gap:4px;padding:0;cursor:pointer;transition:color .2s ease}.tutee-tabs button.is-active,.tutor-tabs button.is-active{color:var(--elec)}.tutee-tabs .feather-icon,.tutor-tabs .feather-icon{flex:0 0 auto;width:24px;height:24px}.tutee-tab-panel,.tutor-tab-panel{display:grid;grid-gap:12px;gap:12px;animation:tutor-panel-in .24s cubic-bezier(.22,1,.36,1);transform-origin:top center}.tutee-tab-panel[hidden],.tutor-tab-panel[hidden]{display:none}@keyframes tutor-panel-in{0%{opacity:0;transform:translateY(9px) scale(.99)}to{opacity:1;transform:translateY(0) scale(1)}}.coach-board{display:grid;grid-template-columns:1fr;align-items:start;grid-gap:11px;gap:11px}.queue-column{padding:16px 14px;min-height:0}.queue-column--care{background:#fffefd}.queue-column h2{font-size:14px;letter-spacing:-.02em;margin:2px 4px 14px}.queue-column h2 b{color:var(--pine);background:#f1f6fa;border-radius:99px;padding:3px 8px;margin-left:5px;font-size:12px}.queue-column button{display:block;width:100%;border:1px solid #edf3f8;background:#fbfdff;border-radius:13px;text-align:left;margin-bottom:8px;padding:13px 12px 12px;cursor:pointer;transition:border-color .18s ease,box-shadow .18s ease,transform .18s ease,background .18s ease}.queue-column button:hover{border-color:#dbeaf5;background:var(--white);box-shadow:0 8px 16px rgba(30,47,67,.045)}.queue-column button.is-selected{border-color:#a9d6f7;background:#f6fbff;box-shadow:inset 0 0 0 1px rgba(0,105,224,.08)}.queue-column button>strong{display:block;font-size:14px;margin:10px 0 7px}.queue-column button small{color:var(--ash);font-weight:500}.queue-column button p,.queue-column button>span:last-child{display:block;color:var(--pine);font-size:12px;line-height:1.45}.queue-column button>span:last-child{color:#c2410c;margin-top:7px}.empty-list-copy{color:var(--pine);font-size:13px;line-height:1.5;padding:7px 5px 2px}.tutor-b .student-detail{min-width:0}.tutor-b .detail-metrics{grid-template-columns:repeat(2,1fr)}.tutor-b .coach-panel{grid-template-columns:1fr}.live-coach-panel{gap:14px;background:#fbfdff}.live-coach-panel>div:first-child{border-bottom:1px solid #edf3f8;padding-bottom:13px}.tutor-account-name{color:var(--pine);min-width:0;overflow:hidden;font-size:12px;line-height:1;text-overflow:ellipsis;white-space:nowrap}.tutee-header form,.tutor-header form{display:inline-flex}.tutee-header button.account-link,.tutor-header button.account-link{height:36px;border:1px solid #e2edf6;border-radius:999px;background:rgba(247,251,255,.92);color:var(--pine);cursor:pointer;font-weight:600;padding:0 12px;box-shadow:inset 0 1px 0 rgba(255,255,255,.9);transition:background .18s ease,border-color .18s ease,color .18s ease}.tutee-header button.account-link:active,.tutee-header button.account-link:hover,.tutor-header button.account-link:active,.tutor-header button.account-link:hover{border-color:#dce9f4;background:var(--white);color:var(--obs)}.tutee-header button.account-link:focus-visible,.tutor-header button.account-link:focus-visible{outline:2px solid var(--form-control-border-focus);outline-offset:3px}.tutee-header button.account-link:disabled,.tutor-header button.account-link:disabled{border-color:var(--form-control-border);background:var(--form-control-bg-disabled);color:var(--form-control-text-disabled);cursor:not-allowed}.management-grid{display:grid;grid-template-columns:1fr;grid-gap:12px;gap:12px;margin-bottom:12px}.manage-card{border:1px solid #dfeaf4;border-radius:18px;background:var(--white);box-shadow:0 8px 20px rgba(30,47,67,.045);padding:18px 16px;transition:border-color .2s ease,box-shadow .2s ease,transform .2s ease}.assignment-records h3,.manage-card h2{font-size:16px;letter-spacing:-.02em;margin-bottom:14px}.compact-form{display:grid;grid-template-columns:1fr;grid-gap:7px;gap:7px;margin-bottom:14px}.assignment-form input:not(.app-number-field),.assignment-record input:not(.app-number-field),.manage-card input:not(.app-number-field),.manage-card textarea{width:100%;border:1px solid var(--form-control-border);border-radius:var(--form-control-radius);background:var(--form-control-bg);color:var(--obs);padding:10px;font:inherit;font-size:var(--form-control-font-size);transition:border-color .18s ease,box-shadow .18s ease,background .18s ease}.assignment-form input:not(.app-number-field):hover,.assignment-record input:not(.app-number-field):hover,.manage-card input:not(.app-number-field):hover,.manage-card textarea:hover{border-color:var(--form-control-border-hover);background:var(--form-control-bg-hover)}.assignment-form input:not(.app-number-field):focus,.assignment-record input:not(.app-number-field):focus,.manage-card input:not(.app-number-field):focus,.manage-card textarea:focus{outline:none;border-color:var(--form-control-border-focus);box-shadow:var(--form-control-focus-ring);background:var(--form-control-bg-hover)}.assignment-form input:not(.app-number-field):disabled,.assignment-record input:not(.app-number-field):disabled,.manage-card input:not(.app-number-field):disabled,.manage-card textarea:disabled{border-color:var(--form-control-border);background:var(--form-control-bg-disabled);color:var(--form-control-text-disabled);cursor:not-allowed}:where(.manage-card,.assignment-record) button{border:0;border-radius:var(--form-control-radius);background:var(--form-button-bg);color:var(--white);cursor:pointer;padding:10px 14px;font-size:var(--button-font-size);font-weight:600;transition:background .18s ease,border-color .18s ease,color .18s ease}:where(.manage-card) button{width:100%}:where(.manage-card,.assignment-record) button:not(:where(.app-select-trigger,.app-date-trigger)):hover{background:var(--form-button-bg-hover)}:where(.manage-card,.assignment-record) button:not(:where(.app-select-trigger,.app-date-trigger)):focus-visible{outline:2px solid var(--form-control-border-focus);outline-offset:3px}:where(.manage-card,.assignment-record) button:not(:where(.app-select-trigger,.app-date-trigger)):disabled{background:var(--form-button-bg-disabled);color:var(--form-control-text-disabled);cursor:not-allowed}:where(.manage-card,.assignment-record) button:not(:where(.app-select-trigger,.app-date-trigger)):disabled:hover{background:var(--form-button-bg-disabled);color:var(--form-control-text-disabled)}.manage-card .mini-list button{background:var(--form-button-secondary-bg);color:var(--form-button-secondary-text);border:1px solid var(--form-control-border);padding:6px 8px}.manage-card .mini-list button:not(.app-select-trigger):not(.app-date-trigger):hover:not(:disabled){background:var(--form-button-secondary-bg-hover);border-color:var(--form-control-border-hover);color:var(--obs);box-shadow:none}.manage-card .mini-list button:not(.app-select-trigger):not(.app-date-trigger):focus-visible{outline:2px solid var(--form-control-border-focus);outline-offset:3px}.manage-card .mini-list button:not(.app-select-trigger):not(.app-date-trigger):disabled,.manage-card .mini-list button:not(.app-select-trigger):not(.app-date-trigger):disabled:hover{border-color:var(--form-control-border);background:var(--form-control-bg-disabled);color:var(--form-control-text-disabled);cursor:not-allowed}.share-link{border:1px solid #e0edf6;border-radius:12px;padding:10px;background:#f7fbff;margin-bottom:12px;font-size:12px}.share-link code{display:block;color:var(--elec);overflow-wrap:anywhere;margin-top:5px}.mini-list{display:flex;flex-direction:column;gap:7px;margin-top:13px}.mini-list>div{display:grid;grid-template-columns:minmax(0,1fr) auto auto auto;grid-gap:6px;gap:6px;align-items:center;border-top:1px solid #edf3f8;padding-top:7px;font-size:13px;animation:tutor-row-in .22s ease both}@keyframes tutor-row-in{0%{opacity:0;transform:translateX(-5px)}to{opacity:1;transform:translateX(0)}}.mini-list span{min-width:0;overflow-wrap:anywhere}.mini-list small{color:var(--ash)}.mini-list button{width:auto}.list-composer>form{display:grid;grid-gap:8px;gap:8px}.csv-upload-target{position:relative;min-height:84px;border:1px dashed var(--form-control-border-hover);border-radius:14px;background:var(--form-control-bg);color:var(--pine);display:grid;place-items:center;grid-gap:4px;gap:4px;padding:15px;text-align:center;cursor:pointer;transition:border-color .18s ease,background .18s ease,color .18s ease}.csv-upload-target:hover{border-color:var(--form-control-border-focus);background:var(--form-control-bg-hover)}.csv-upload-target:focus-within{border-color:var(--form-control-border-focus);background:var(--form-control-bg-hover);box-shadow:var(--form-control-focus-ring)}.csv-upload-target.is-parsing{border-color:var(--form-control-border);background:var(--form-control-bg-disabled);cursor:wait;pointer-events:none}.csv-upload-target.is-parsing,.csv-upload-target.is-parsing small,.csv-upload-target.is-parsing span{color:var(--form-control-text-disabled)}.csv-upload-target input{position:absolute;inset:0;opacity:0;cursor:pointer}.csv-upload-target small,.csv-upload-target span{pointer-events:none}.csv-upload-target span{color:var(--obs);font-size:14px;font-weight:700}.csv-upload-target small{color:var(--ash);font-size:12px}.compact-security-form{display:grid;grid-gap:8px;gap:8px}.security-card{grid-column:1}.tutee-security{margin-top:0;max-width:none}.csv-entries-bar{display:flex;align-items:center;justify-content:space-between;border:1px solid #e0edf6;border-radius:10px;background:#f7fbff;padding:10px 12px;gap:10px}.csv-entries-bar>span{flex:1 1;min-width:0;color:var(--pine);font-size:13px;font-weight:600}.csv-entries-edit{flex:0 0 auto;border:1px solid transparent;border-radius:8px;background:var(--ghostly);color:var(--elec);font-size:12px;font-weight:600;padding:6px 12px;cursor:pointer;white-space:nowrap;transition:background .15s}.manage-card .csv-entries-edit{width:auto}.csv-entries-edit:hover{background:#b8ddff}.csv-entries-edit:focus-visible{outline:2px solid var(--form-control-border-focus);outline-offset:2px}.vocab-list-library{display:flex;flex-direction:column;gap:0;border:1px solid #dfeaf4;border-radius:18px;background:var(--white);box-shadow:0 8px 20px rgba(30,47,67,.045);padding:16px}.vocab-list-library-header{display:flex;align-items:center;gap:9px;height:44px;margin-bottom:4px}.vocab-list-library-header h2{font-size:17px;letter-spacing:-.03em;line-height:1;margin:0}.vocab-list-count{color:var(--pine);background:var(--card);border-radius:99px;padding:3px 10px;font-size:12px;font-weight:700;flex-shrink:0}.vocab-add-btn{display:inline-flex;align-items:center;gap:5px;height:34px;margin-left:auto;padding:0 14px 0 11px;border:0;border-radius:99px;background:var(--elec);color:var(--white);font-size:13px;font-weight:600;cursor:pointer;flex-shrink:0;white-space:nowrap;transition:background .16s ease,transform .16s ease,box-shadow .16s ease}.vocab-add-btn:hover{background:#0058c2;box-shadow:0 6px 16px rgba(0,105,224,.22)}.vocab-add-btn:active{transform:scale(.97)}.vocab-add-btn:focus-visible{outline:2px solid var(--form-control-border-focus);outline-offset:3px}.vocab-add-btn .feather-icon{width:15px;height:15px}.vocab-list-card-icon{width:38px;height:38px;border-radius:11px;background:#eef6fd;color:var(--elec);display:flex;align-items:center;justify-content:center;flex-shrink:0;transition:background .15s}.vocab-list-card-icon .feather-icon{width:16px;height:16px}.is-archived .vocab-list-card-icon{background:#f1f5f9;color:var(--ash)}.vocab-list-card{display:flex;align-items:center;gap:12px;padding:11px 4px;border-top:1px solid #edf3f8;cursor:default;transition:background .14s ease}.vocab-list-card:hover{background:rgba(237,243,248,.5)}.vocab-list-card-main{flex:1 1;min-width:0;display:flex;flex-direction:column;gap:2px;text-align:left;border:0;background:transparent;padding:0;cursor:pointer;color:var(--obs)}.vocab-list-card-main strong{display:block;font-size:14px;font-weight:700;letter-spacing:-.02em;line-height:1.35;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;transition:color .14s ease}.vocab-list-card-main:hover strong{color:var(--elec)}.vocab-list-card-main small{display:block;font-size:12px;color:var(--ash);font-weight:500}.vocab-list-card.is-archived{opacity:.55}.vocab-list-card.is-archived:hover{opacity:.78}.vocab-list-card.is-archived .vocab-list-card-main:hover strong{color:var(--pine)}.vocab-list-card-actions{display:flex;align-items:stretch;gap:0;flex-shrink:0;border:1px solid #d5e7f4;border-radius:15px;overflow:hidden;background:#f4f8fc}.vocab-icon-btn,.vocab-list-card-actions form{display:inline-flex}.vocab-icon-btn{align-items:center;justify-content:center;width:38px;height:36px;border:0;border-left:1px solid #d5e7f4;border-radius:0;background:transparent;color:var(--pine);cursor:pointer;transition:background .12s ease,color .12s ease}.vocab-list-card-actions>button.vocab-icon-btn{border-left:0}.vocab-icon-btn:hover{background:#e0eefa;color:var(--obs)}.vocab-icon-btn:active{background:#d4e8f7}.vocab-icon-btn:focus-visible{outline:2px solid var(--form-control-border-focus);outline-offset:-2px}.vocab-icon-btn:disabled{opacity:.4;cursor:not-allowed;pointer-events:none}.vocab-icon-btn--danger{color:#c0392b}.vocab-icon-btn--danger:hover:not(:disabled){background:#fff0ee;color:#a02020}.vocab-icon-btn--danger:active:not(:disabled){background:#ffe0dd}.vocab-icon-btn .feather-icon{width:15px;height:15px}.vocab-empty{padding:36px 20px;color:var(--ash);font-size:13px;font-weight:500;text-align:center;line-height:1.55}.vocab-sheet-form{min-height:0;overflow:hidden}.vocab-sheet-form,.vocab-sheet-scroll{flex:1 1;display:flex;flex-direction:column}.vocab-sheet-scroll{overflow-y:auto;overscroll-behavior:contain;-webkit-overflow-scrolling:touch;padding:14px 16px;gap:10px}.vocab-sheet-title-input{width:100%;border:1px solid var(--form-control-border);border-radius:var(--form-control-radius);background:var(--form-control-bg);color:var(--obs);padding:12px 14px;font:inherit;font-size:17px;font-weight:600;letter-spacing:-.02em;transition:border-color .18s ease,box-shadow .18s ease,background .18s ease}.vocab-sheet-title-input:hover{border-color:var(--form-control-border-hover);background:var(--form-control-bg-hover)}.vocab-sheet-title-input:focus{outline:none;border-color:var(--form-control-border-focus);box-shadow:var(--form-control-focus-ring);background:var(--form-control-bg-hover)}.vocab-sheet-table{padding:0;overflow-x:auto}.vocab-view-table td{padding:6px 4px;vertical-align:middle}.vocab-view-cell{display:block;padding:9px 10px;font-size:var(--form-control-font-size);color:var(--obs);line-height:1.4}.vocab-view-cell--pos{color:var(--pine);font-size:13px}.vocab-view-cell--meanings{color:var(--pine)}.vocab-upload-target{min-height:100px;gap:6px}.vocab-upload-target .feather-icon{width:22px;height:22px;color:var(--elec);margin-bottom:2px;pointer-events:none}.vocab-upload-target.is-parsing .feather-icon{color:var(--form-control-text-disabled)}.bottom-sheet-layer{position:fixed;inset:0;z-index:30;display:flex;align-items:flex-end;justify-content:center}.bottom-sheet-backdrop{position:absolute;inset:0;width:100%;height:100%;border:0;background:rgba(10,13,18,.4);cursor:default}.bottom-sheet{position:relative;z-index:1;display:flex;flex-direction:column;width:min(640px,100%);max-height:88dvh;background:var(--white);border-radius:24px 24px 0 0;box-shadow:0 -8px 40px rgba(10,13,18,.14);overflow:hidden}.bottom-sheet-grabber{width:38px;height:4px;border-radius:99px;background:#d5dbe2;margin:11px auto 0;flex-shrink:0}.bottom-sheet-scroll{flex:1 1;overflow-y:auto;overscroll-behavior:contain;-webkit-overflow-scrolling:touch}.csv-editor-header{display:flex;align-items:center;justify-content:space-between;padding:14px 18px 12px;border-bottom:1px solid #edf3f8;flex-shrink:0;gap:12px}.csv-editor-header>div{display:flex;align-items:center;gap:9px}.csv-editor-header h3{font-size:16px;letter-spacing:-.03em}.csv-editor-header>div>span{color:var(--pine);background:var(--card);border-radius:99px;padding:3px 10px;font-size:12px;font-weight:600}.csv-editor-close{width:32px;height:32px;border:0;border-radius:50%;color:var(--pine);background:var(--card);cursor:pointer;display:flex;align-items:center;justify-content:center;flex-shrink:0;transition:background .15s}.csv-editor-close:hover{background:#e5eef6}.csv-editor-close .feather-icon{width:16px;height:16px}.csv-editor-scroll{flex:1 1;overflow:auto;overscroll-behavior:contain;-webkit-overflow-scrolling:touch}.csv-editor-table-wrap{padding:10px 16px 8px}.csv-editor-table{width:100%;min-width:480px;border-collapse:collapse}.csv-editor-table thead th{color:var(--ash);font-size:11px;font-weight:700;letter-spacing:.04em;text-transform:uppercase;text-align:left;padding:0 6px 10px;white-space:nowrap}.csv-editor-table th:first-child{width:32%;padding-left:2px}.csv-editor-table th:nth-child(2){width:18%}.csv-editor-table th:last-child{width:50%}.csv-editor-table tbody tr{border-bottom:1px solid #edf3f8}.csv-editor-table tbody tr:last-child{border-bottom:0}.csv-editor-table td{padding:3px 4px;vertical-align:middle}.csv-editor-table td:first-child{padding-left:0}.csv-editor-table td:last-child{padding-right:0}.csv-editor-table input{width:100%;min-width:80px;border:1px solid transparent;border-radius:8px;background:transparent;color:var(--obs);padding:9px 10px;font:inherit;font-size:var(--form-control-font-size);transition:border-color .15s,background .15s,box-shadow .15s}.csv-editor-table input:hover{background:var(--form-control-bg);border-color:var(--form-control-border-hover)}.csv-editor-table input:focus{outline:none;border-color:var(--form-control-border-focus);background:var(--form-control-bg-hover);box-shadow:var(--form-control-focus-ring)}.csv-editor-footer{padding:12px 16px calc(14px + env(safe-area-inset-bottom));border-top:1px solid #edf3f8;flex-shrink:0}.form-error{color:var(--coral-b)!important;font-size:11px!important}.form-success{color:var(--mint-t);font-size:11px}.assignment-form{display:grid;grid-gap:10px;gap:10px;border:1px solid #e6eff7;border-radius:14px;background:var(--white);padding:12px}.assignment-create-layer{position:absolute;inset:0;z-index:4;display:flex;align-items:flex-end;justify-content:center;pointer-events:none}.assignment-create-backdrop{position:absolute;inset:0;border:0;background:rgba(10,13,18,.32);pointer-events:auto}.assignment-create-sheet{max-height:88dvh;pointer-events:auto}.assignment-create-header{border-bottom:1px solid #edf3f8}.assignment-create-form{border:0;border-radius:0;box-shadow:none;padding:14px 20px calc(16px + env(safe-area-inset-bottom))}.assignment-create-close{display:inline-flex;width:30px;height:30px;align-items:center;justify-content:center;border:0;border-radius:999px;background:var(--card);color:var(--pine);cursor:pointer;transition:background .16s ease,color .16s ease}.assignment-create-close:hover{background:#e5eef6;color:var(--obs)}.assignment-create-close:focus-visible{outline:2px solid var(--form-control-border-focus);outline-offset:3px}.assignment-create-close .feather-icon{width:16px;height:16px}.assign-mode-toggle{display:flex;gap:2px;border:1px solid #dfeaf3;border-radius:10px;background:#f4f8fc;padding:3px}.assign-mode-toggle button{flex:1 1;height:30px;border:none;background:transparent;color:var(--ash);font-size:13px;font-weight:600;cursor:pointer;transition:background .15s,color .15s;border-radius:7px;padding:0;width:auto}.assign-mode-toggle button.is-active{background:var(--white);color:var(--obs);box-shadow:0 1px 3px rgba(10,13,18,.1)}.assign-mode-toggle button:hover{background:var(--form-control-bg-hover);color:var(--obs)}.assign-mode-toggle button:focus-visible{outline:2px solid var(--form-control-border-focus);outline-offset:2px}.assignment-form input[type=number]{width:100%;height:42px;border:1px solid var(--form-control-border);border-radius:var(--form-control-radius);background:var(--form-control-bg);color:var(--obs);font:inherit;font-size:var(--form-control-font-size);padding:0 12px;transition:border-color .18s ease,background .18s ease,box-shadow .18s ease}.assignment-mode-badge{display:inline-flex;align-items:center;font-size:11px;font-weight:700;padding:2px 7px;border-radius:99px;margin-left:6px;letter-spacing:.02em;vertical-align:middle}.assignment-mode-badge--practice{background:#e8f4ff;color:var(--elec)}.assignment-mode-badge--test{background:#fff3e8;color:#d97706}.test-timer{font-family:var(--font-pretendard);font-size:16px;font-weight:700;letter-spacing:.02em;color:var(--ash);transition:color .3s;min-width:52px;text-align:center}.test-timer--urgent{color:var(--coral-b)}.test-timeout-overlay{position:fixed;inset:0;background:rgba(10,13,18,.72);display:flex;align-items:center;justify-content:center;z-index:50}.test-timeout-overlay p{color:var(--white);font-size:22px;font-weight:700;font-family:var(--font-pretendard);letter-spacing:-.02em}.assignment-form-title{color:var(--obs)!important;font-size:14px!important;font-weight:700!important;margin:0!important}.assignment-fields{display:grid;grid-template-columns:1fr;grid-gap:8px;gap:8px}.assignment-due-form label,.assignment-field-group,.assignment-fields label{display:grid;grid-gap:6px;gap:6px;margin:0}.assignment-due-form label>span,.assignment-field-group>span,.assignment-fields label>span{color:var(--ash);font-size:11px;font-weight:700}.assignment-list-picker{display:grid;grid-gap:6px;gap:6px;max-height:188px;overflow:auto;border:1px solid var(--form-control-border);border-radius:var(--form-control-radius);background:var(--form-control-bg);padding:6px}.assignment-list-picker p{color:var(--pine);font-size:13px;margin:0;padding:8px 4px}.assignment-list-option{display:grid;grid-template-columns:18px minmax(0,1fr);align-items:center;grid-gap:9px;gap:9px;border:1px solid transparent;border-radius:8px;cursor:pointer;padding:8px;transition:background .18s ease,border-color .18s ease,box-shadow .18s ease}.assignment-list-option:hover{border-color:var(--form-control-border-hover);background:var(--form-control-bg-hover)}.assignment-list-option.is-selected{border-color:rgba(0,102,214,.28);background:#eef6ff;box-shadow:inset 0 0 0 1px rgba(0,102,214,.08)}.app-checkbox{position:relative}.app-checkbox-input{position:absolute;width:1px!important;height:1px!important;margin:-1px!important;border:0!important;padding:0!important;overflow:hidden;clip:rect(0 0 0 0);-webkit-clip-path:inset(50%);clip-path:inset(50%);white-space:nowrap}.app-checkbox-control{display:inline-flex;width:18px;height:18px;align-items:center;justify-content:center;border:1px solid #c8d7e6;border-radius:5px;background:var(--white);color:transparent;box-shadow:0 1px 2px rgba(30,47,67,.05);transition:background .16s ease,border-color .16s ease,box-shadow .16s ease,color .16s ease,transform .16s ease}.app-checkbox[data-state=checked] .app-checkbox-control{border-color:var(--elec);background:var(--elec);color:var(--white);box-shadow:0 2px 6px rgba(0,102,214,.22)}.app-checkbox:hover .app-checkbox-control{border-color:var(--form-control-border-hover)}.app-checkbox[data-state=checked]:hover .app-checkbox-control{border-color:#0057b8;background:#005fc7}.app-checkbox-input:focus-visible+.app-checkbox-control{outline:2px solid var(--form-control-border-focus);outline-offset:3px}.app-checkbox:active .app-checkbox-control{transform:scale(.94)}.app-checkbox-copy{display:grid;min-width:0;grid-gap:2px;gap:2px}.app-checkbox-label{color:var(--obs);font-size:13px;font-weight:700;line-height:1.25;overflow-wrap:anywhere}.app-checkbox-description{color:var(--pine);font-size:11px;font-weight:600;line-height:1.25}.app-select-trigger{width:100%;height:36px;padding:0 10px;border:1px solid var(--form-control-border);border-radius:var(--form-control-radius);background:var(--form-control-bg);color:var(--obs);font:inherit;font-size:14px;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:8px;text-align:left;transition:border-color .15s,background .15s,box-shadow .15s;outline:none}.app-select-trigger:hover{border-color:var(--form-control-border-hover);background:var(--form-control-bg-hover)}.app-select-trigger:focus-visible{border-color:var(--form-control-border-focus);box-shadow:var(--form-control-focus-ring)}.app-select-trigger--empty{color:var(--form-control-placeholder)}.app-select-trigger>span{flex:1 1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.app-select-chevron{flex-shrink:0;width:14px;height:14px;color:var(--form-control-placeholder);transition:transform .18s ease}.app-select-chevron.is-open{transform:rotate(180deg)}.app-select-dropdown{position:fixed;z-index:100;background:#fff;border:1px solid var(--form-control-border);border-radius:8px;box-shadow:0 4px 24px rgba(10,13,18,.12),0 1px 4px rgba(10,13,18,.06);padding:4px;list-style:none;margin:0;max-height:220px;overflow-y:auto;overscroll-behavior:contain}.app-select-option{display:flex;align-items:center;justify-content:space-between;gap:8px;padding:7px 10px;border-radius:5px;font-size:13px;font-weight:500;color:var(--obs);cursor:pointer;transition:background .1s}.app-select-option:hover{background:var(--form-control-bg)}.app-select-option.is-selected{background:#f0f7ff;color:var(--elec);font-weight:600}.app-select-option.is-disabled{color:var(--form-control-placeholder);cursor:default;pointer-events:none}.app-date-trigger{width:100%;height:36px;padding:0 10px;border:1px solid var(--form-control-border);border-radius:var(--form-control-radius);background:var(--form-control-bg);color:var(--obs);font:inherit;font-size:14px;cursor:pointer;display:flex;align-items:center;gap:8px;text-align:left;transition:border-color .15s,background .15s,box-shadow .15s;outline:none}.app-date-trigger:hover{border-color:var(--form-control-border-hover);background:var(--form-control-bg-hover)}.app-date-trigger:focus-visible{border-color:var(--form-control-border-focus);box-shadow:var(--form-control-focus-ring)}.app-date-icon,.app-date-trigger--empty{color:var(--form-control-placeholder)}.app-date-icon{flex-shrink:0}.app-calendar{position:fixed;z-index:100;background:#fff;border:1px solid var(--form-control-border);border-radius:10px;box-shadow:0 4px 24px rgba(10,13,18,.12),0 1px 4px rgba(10,13,18,.06);padding:12px;width:256px}.app-calendar-nav{display:flex;align-items:center;justify-content:space-between;margin-bottom:10px}.app-calendar-nav-btn{width:28px;height:28px;border:1px solid var(--form-control-border);border-radius:6px;background:transparent;color:var(--pine);cursor:pointer;display:flex;align-items:center;justify-content:center;transition:background .12s,border-color .12s}.app-calendar-nav-btn:hover{background:var(--form-control-bg);border-color:var(--form-control-border-hover)}.app-calendar-clear:focus-visible,.app-calendar-day:focus-visible,.app-calendar-nav-btn:focus-visible{outline:2px solid var(--form-control-border-focus);outline-offset:2px}.app-calendar-month{font-size:13px;font-weight:700;color:var(--obs);letter-spacing:-.02em}.app-calendar-weekdays{display:grid;grid-template-columns:repeat(7,1fr);margin-bottom:4px}.app-calendar-weekdays span{text-align:center;font-size:11px;font-weight:600;color:var(--form-control-placeholder);padding:2px 0}.app-calendar-grid{display:grid;grid-template-columns:repeat(7,1fr);grid-gap:1px;gap:1px}.app-calendar-day{aspect-ratio:1;border:0;border-radius:5px;background:transparent;color:var(--obs);font:inherit;font-size:12px;font-weight:500;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:background .1s,color .1s}.app-calendar-day:hover{background:var(--form-control-bg)}.app-calendar-day.is-today{color:var(--elec);font-weight:700}.app-calendar-day.is-selected{background:var(--elec);color:#fff;font-weight:700}.app-calendar-footer{margin-top:8px;border-top:1px solid var(--form-control-border);padding-top:8px}.app-calendar-clear{border:0;background:transparent;color:var(--form-control-placeholder);font:inherit;font-size:12px;cursor:pointer;padding:0;transition:color .12s}.app-calendar-clear:hover{color:var(--coral-b)}.app-number-input{display:flex;align-items:center;width:100%;height:36px;border:1px solid #e2e8f0;border-radius:6px;background:#fff;overflow:hidden;transition:border-color .15s,box-shadow .15s}.app-number-input:focus-within{border-color:#94a3b8;box-shadow:0 0 0 3px rgba(15,23,42,.07)}.app-number-btn{flex-shrink:0;width:34px;height:100%;border:0;background:transparent;color:#94a3b8;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:background .12s,color .12s}.app-number-btn:hover:not(:disabled){background:#f1f5f9;color:var(--obs)}.app-number-btn:disabled{color:#cbd5e1;cursor:not-allowed}.app-number-field{flex:1 1;height:100%;border:0;border-left:1px solid #e2e8f0;border-right:1px solid #e2e8f0;background:transparent;text-align:center;font:inherit;font-size:14px;color:var(--obs);padding:0;outline:none;min-width:0}.app-number-field::placeholder{color:#94a3b8}.assignment-submit{width:100%;height:40px;border:0;border-radius:var(--form-control-radius);background:var(--elec);color:var(--white);font-size:13px;font-weight:700;cursor:pointer;display:inline-flex;align-items:center;justify-content:center;gap:6px;transition:background .18s ease,color .18s ease}.assignment-submit:hover{background:#0061cc}.assignment-submit:disabled{cursor:not-allowed}.assignment-submit:disabled,.assignment-submit:disabled:hover{background:var(--form-button-bg-disabled);color:var(--form-control-text-disabled)}.assignment-submit:focus-visible{outline:2px solid var(--form-control-border-focus);outline-offset:3px}.assignment-record-title{display:flex;align-items:center;gap:7px;flex-wrap:wrap;margin-bottom:5px}.assignment-record-title strong{font-size:15px;font-weight:700;letter-spacing:-.02em;color:var(--obs)}.assignment-record-meta{display:block;color:var(--pine);font-size:13px;line-height:1.45}.record-actions{display:flex;flex-wrap:wrap;gap:7px}.record-actions form{display:inline-flex}.record-actions .danger{background:var(--form-button-danger-bg);color:var(--form-button-danger-text)}.student-account-actions{padding-top:2px}.assignment-record .record-actions button,.student-account-actions button{height:34px;border:1px solid var(--form-control-border);border-radius:var(--form-control-radius);background:var(--form-button-secondary-bg);color:var(--form-button-secondary-text);padding:0 12px;font-size:12px;font-weight:700;box-shadow:none}.assignment-record .record-actions button:hover,.assignment-record .record-actions button:not(.app-select-trigger):not(.app-date-trigger):hover:not(:disabled),.student-account-actions button:hover{border-color:var(--form-control-border-hover);background:var(--form-button-secondary-bg-hover);color:var(--obs);box-shadow:none}.assignment-record .record-actions .danger,.student-account-actions .danger{border-color:var(--form-button-danger-border);background:var(--form-button-danger-bg);color:var(--form-button-danger-text)}.assignment-record .record-actions .danger:hover,.assignment-record .record-actions .danger:not(.app-select-trigger):not(.app-date-trigger):hover:not(:disabled),.student-account-actions .danger:hover{border-color:var(--form-button-danger-border);background:var(--form-button-danger-bg-hover);color:var(--form-button-danger-text)}.assignment-record .record-actions .danger:not(.app-select-trigger):not(.app-date-trigger):hover:not(:disabled){box-shadow:none}.assignment-record .record-actions button:focus-visible,.student-account-actions button:focus-visible{outline:2px solid var(--form-control-border-focus);outline-offset:3px}.assignment-record .record-actions button:disabled,.assignment-record .record-actions button:not(.app-select-trigger):not(.app-date-trigger):disabled,.assignment-record .record-actions button:not(.app-select-trigger):not(.app-date-trigger):disabled:hover,.student-account-actions button:disabled{border-color:var(--form-control-border);background:var(--form-control-bg-disabled);color:var(--form-control-text-disabled);cursor:not-allowed}.assignment-records{margin-top:0}.assignment-sticky-actions{position:-webkit-sticky;position:sticky;bottom:0;display:grid;flex-shrink:0;grid-gap:7px;gap:7px;padding:10px 20px calc(12px + env(safe-area-inset-bottom));border-top:1px solid #e5eef7;background:linear-gradient(180deg,rgba(255,255,255,.82),var(--white) 28%);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.assignment-sticky-actions .form-success{margin:0;text-align:center}.new-assignment-sticky-button{display:inline-flex;width:100%;min-height:44px;align-items:center;justify-content:center;gap:7px;border:0;border-radius:var(--form-control-radius);background:var(--elec);color:var(--white);cursor:pointer;font-size:13px;font-weight:700;box-shadow:0 8px 18px rgba(0,102,214,.18);transition:background .18s ease,box-shadow .18s ease,transform .18s ease}.new-assignment-sticky-button:hover{background:#0061cc;box-shadow:0 10px 22px rgba(0,102,214,.22)}.new-assignment-sticky-button:active{transform:translateY(1px)}.new-assignment-sticky-button:focus-visible{outline:2px solid var(--form-control-border-focus);outline-offset:3px}.assignment-record{display:block;width:100%;border:1px solid #e3edf6;border-radius:16px;padding:14px;margin-bottom:10px;background:#fbfdff;color:var(--obs);font:inherit;font-size:12px;text-align:left;cursor:pointer;transition:border-color .16s ease,background .16s ease,box-shadow .16s ease,transform .16s ease}.assignment-record:hover{border-color:#cfe1ef;background:#f7fbff;box-shadow:0 8px 18px rgba(30,47,67,.055);transform:translateY(-1px)}.assignment-record:focus-visible{outline:2px solid var(--form-control-border-focus);outline-offset:3px}.assignment-record-foot{display:block;color:var(--pine);font-size:12px;line-height:1.35;margin-top:9px}@media (prefers-reduced-motion:reduce){.mini-list>div,.tutee-tab-panel,.tutee-tabs,.tutor-tab-panel{animation:none}.assignment-library,.assignment-record,.assignment-record button,.coach-panel button,.detail-metrics article,.manage-card,.manage-card button,.new-assignment,.queue-column,.queue-column button,.status-pill,.student-detail,.trend-bars span,.tutee-focus,.tutee-tabs .feather-icon,.tutee-tabs button,.tutor-tabs .feather-icon,.tutor-tabs button{transition:none}}.assignment-record-header{margin-bottom:0}.assignment-due-form{display:grid;grid-template-columns:minmax(0,1fr) auto;grid-gap:8px;gap:8px;align-items:end;margin-bottom:12px}.assignment-due-form button{height:38px;min-width:52px;border-radius:10px;border:1px solid #dfeaf3;background:#f7fbff;color:var(--pine);padding:0 12px;font-size:12px;font-weight:700}.assignment-record>.record-actions{margin-top:0}.assignment-record details{margin-top:10px;border-top:1px solid #edf3f8;padding-top:10px;color:var(--pine)}.assignment-manage-sheet{max-height:min(760px,88dvh)}.assignment-sheet-tabs{grid-template-columns:repeat(3,minmax(0,1fr))}.assignment-manage-scroll{background:#fbfdff}.assignment-sheet-panel{padding:16px 20px calc(20px + env(safe-area-inset-bottom))}.assignment-sheet-panel details{border:1px solid #e3edf6;border-radius:13px;background:var(--white);color:var(--pine);padding:12px;margin-bottom:10px}.assignment-sheet-panel summary{color:var(--obs);cursor:pointer;font-size:12px;font-weight:700;line-height:1.45}.assignment-sheet-form{border:1px solid #e3edf6;border-radius:14px;background:var(--white);padding:14px;margin-bottom:0}.assignment-sheet-actions{display:grid;grid-template-columns:1fr 1fr;grid-gap:8px;gap:8px;align-items:stretch;margin-top:0}.assignment-sheet-actions button,.assignment-sheet-actions form{width:100%}.assignment-sheet-actions button{min-height:42px}.empty-detail{color:var(--pine);padding:28px}.attempt-card{border:1px solid #e3edf6;border-radius:16px;background:var(--white);padding:14px 16px;margin-bottom:8px;transition:border-color .16s ease,box-shadow .16s ease}.attempt-card:hover{border-color:#c8ddf0;box-shadow:0 3px 12px rgba(30,47,67,.06)}.attempt-card-header{display:flex;align-items:flex-start;justify-content:space-between;gap:12px}.attempt-card-meta{min-width:0;flex:1 1}.attempt-card-date{display:block;color:var(--obs);font-size:13px;font-weight:700;letter-spacing:-.015em;margin-bottom:5px}.attempt-card-stats{display:flex;flex-wrap:wrap;gap:4px 10px;color:var(--pine);font-size:12px;line-height:1.4}.attempt-card-stats span{white-space:nowrap}.attempt-card-right{display:flex;flex-direction:row;align-items:center;gap:8px;flex-shrink:0}.attempt-score{flex-shrink:0;display:inline-flex;align-items:center;justify-content:center;min-width:48px;height:32px;border-radius:10px;font-size:14px;font-weight:800;letter-spacing:-.02em}.attempt-score--high{background:#e6f9ee;color:#16a34a}.attempt-score--mid{background:#fff7ed;color:#d97706}.attempt-score--low{background:#fef2f2;color:#dc2626}.attempt-detail-btn{display:inline-flex;align-items:center;gap:6px;height:32px;border:1px solid #dfeaf3;border-radius:8px;background:#f7fbff;color:var(--elec);padding:0 12px;font-size:12px;font-weight:700;cursor:pointer;transition:background .15s ease,border-color .15s ease,box-shadow .15s ease}.attempt-detail-btn:hover{background:#eef6ff;border-color:#c4ddf2;box-shadow:0 2px 8px rgba(0,102,214,.08)}.attempt-detail-btn:focus-visible{outline:2px solid var(--form-control-border-focus);outline-offset:3px}.attempt-detail-btn .feather-icon{width:13px;height:13px}.attempt-detail-layer{position:fixed;inset:0;z-index:52;display:flex;align-items:flex-end;justify-content:center}.attempt-detail-backdrop{position:fixed;inset:0;background:rgba(10,13,18,.42);border:0;cursor:pointer}.attempt-detail-sheet{position:relative;z-index:1;width:min(640px,100%);max-height:82dvh;border-radius:22px 22px 0 0;background:var(--white);box-shadow:0 -8px 40px rgba(10,13,18,.14);display:flex;flex-direction:column;overflow:hidden}.attempt-detail-header{display:flex;align-items:flex-start;justify-content:space-between;gap:12px;padding:8px 20px 14px;border-bottom:1px solid #edf3f8;flex-shrink:0}.attempt-detail-kicker{color:var(--pine);font-size:12px;margin:0 0 8px}.attempt-detail-title{font-size:18px;font-weight:800;letter-spacing:-.03em;color:var(--obs);margin:0}.attempt-detail-header h3{font-size:17px;letter-spacing:-.03em;margin:0 0 4px}.attempt-detail-header p{color:var(--pine);font-size:12px;margin:0}.attempt-detail-close{width:32px;height:32px;border:0;border-radius:50%;background:var(--card);color:var(--pine);cursor:pointer;display:flex;align-items:center;justify-content:center;flex-shrink:0;transition:background .15s}.attempt-detail-close:hover{background:#e8eff6}.attempt-detail-close .feather-icon{width:16px;height:16px}.attempt-detail-summary{display:grid;grid-template-columns:repeat(3,1fr);grid-gap:1px;gap:1px;background:#edf3f8;border:1px solid #e3edf6;border-radius:18px;overflow:hidden;margin:0 0 16px}.attempt-detail-stat{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;padding:14px 8px;background:#fbfdff}.attempt-detail-stat>strong{font-size:16px;font-weight:800;letter-spacing:-.02em;color:var(--obs)}.attempt-detail-stat>span:last-child{color:var(--pine);font-size:11px;font-weight:600}.attempt-detail-stat .attempt-score{font-size:16px}.attempt-detail-scroll{overflow-y:auto;overscroll-behavior:contain;padding:16px 20px calc(20px + env(safe-area-inset-bottom))}.attempt-detail-scroll>p{color:var(--pine);font-size:13px;padding:12px 0}.attempt-detail-empty{display:flex;flex-direction:column;align-items:center;gap:10px;padding:32px 16px;color:var(--pine);text-align:center}.attempt-detail-empty .feather-icon{width:32px;height:32px;color:#16a34a;opacity:.7}.attempt-detail-empty p{font-size:14px;font-weight:600;margin:0}.attempt-response-card{border:1px solid #e7eff6;border-radius:12px;background:#fbfdff;padding:14px 16px;margin-bottom:10px}.attempt-response-card:last-child{margin-bottom:0}.response-line{display:flex;flex-direction:column;gap:10px}.response-line-top{display:flex;align-items:center;gap:8px}.response-line-badge{display:inline-flex;align-items:center;font-size:10px;font-weight:700;padding:2px 8px;border-radius:99px;letter-spacing:.02em}.response-line-badge--wrong{background:#fef2f2;color:#dc2626}.response-line-badge--selfcheck{background:#fff7ed;color:#d97706}.response-line-status{font-size:11px;font-weight:600;color:var(--ash)}.response-line-status--correct{color:#16a34a}.response-line-status--wrong{color:#dc2626}.response-line-word{font-size:16px;font-weight:800;letter-spacing:-.02em;color:var(--obs);margin:0}.response-line-answers{display:flex;flex-direction:column;gap:6px}.response-line-row{display:flex;align-items:baseline;gap:8px}.response-line-label{flex-shrink:0;color:var(--ash);font-size:11px;font-weight:700;min-width:52px}.response-line-value{color:var(--obs);font-size:13px;font-weight:600;word-break:break-word}.response-line-value--correct{color:#16a34a}.response-line-review{display:flex;gap:6px;padding-top:4px}.response-line-review form{display:inline-flex}.response-review-btn{display:inline-flex;align-items:center;gap:5px;height:30px;border:1px solid #dfeaf3;border-radius:8px;background:#f7fbff;color:var(--pine);padding:0 12px;font-size:11px;font-weight:700;cursor:pointer;transition:background .15s,border-color .15s,color .15s}.response-review-btn .feather-icon{width:13px;height:13px;flex-shrink:0}.response-review-btn:hover{background:#eef6ff;border-color:#c4ddf2;color:var(--obs)}.response-review-btn.is-active{background:#e6f9ee;border-color:#b8e6cc;color:#16a34a}.response-review-btn--wrong.is-active{background:#fef2f2;border-color:#f5d5d5;color:#dc2626}.attempt-response-card .record-actions{margin-top:8px}.due-date-card{border:1px solid #e3edf6;border-radius:16px;background:var(--white);padding:18px}.due-date-card-header{display:flex;align-items:center;gap:10px;margin-bottom:16px}.due-date-card-icon{display:flex;align-items:center;justify-content:center;width:36px;height:36px;border-radius:10px;background:#eef6fd;color:var(--elec);flex-shrink:0}.due-date-card-icon .feather-icon{width:18px;height:18px}.due-date-card-header h4{font-size:15px;font-weight:700;letter-spacing:-.02em;color:var(--obs);margin:0}.due-date-card-status{display:block;color:var(--pine);font-size:12px;margin-top:2px}.due-date-card .assignment-due-form{margin-bottom:0}.due-date-card-save{width:100%;height:42px;border:0;border-radius:var(--form-control-radius);background:var(--elec);color:var(--white);font-size:13px;font-weight:700;cursor:pointer;transition:background .18s ease}.due-date-card-save:hover{background:#0061cc}.due-date-card-save:disabled{background:var(--form-button-bg-disabled);color:var(--form-control-text-disabled);cursor:not-allowed}.due-date-card-save:focus-visible{outline:2px solid var(--form-control-border-focus);outline-offset:3px}.action-card{border:1px solid #e3edf6;border-radius:16px;background:var(--white);padding:18px;margin-bottom:12px;transition:border-color .16s ease,box-shadow .16s ease}.action-card:last-child{margin-bottom:0}.action-card:hover{border-color:#cfe1ef;box-shadow:0 4px 14px rgba(30,47,67,.04)}.action-card--danger{border-color:#f5d5d5;background:#fffbfb}.action-card--danger:hover{border-color:#edb8b8;box-shadow:0 4px 14px rgba(220,38,38,.06)}.action-card-top{display:flex;align-items:flex-start;gap:12px;margin-bottom:14px}.action-card-icon{display:flex;align-items:center;justify-content:center;width:40px;height:40px;border-radius:12px;background:#eef6fd;color:var(--elec);flex-shrink:0}.action-card-icon .feather-icon{width:18px;height:18px}.action-card--danger .action-card-icon{background:#fef2f2;color:#dc2626}.action-card-content h4{font-size:15px;font-weight:700;letter-spacing:-.02em;color:var(--obs);margin:0 0 4px}.action-card-content p{color:var(--pine);font-size:12px;line-height:1.45;margin:0}.action-card form{display:block}.action-card-btn{width:100%;height:42px;border:1px solid var(--form-control-border);border-radius:var(--form-control-radius);background:var(--form-button-secondary-bg);color:var(--form-button-secondary-text);font-size:13px;font-weight:700;cursor:pointer;transition:background .16s ease,border-color .16s ease,color .16s ease}.action-card-btn:hover{border-color:var(--form-control-border-hover);background:var(--form-button-secondary-bg-hover);color:var(--obs)}.action-card-btn:focus-visible{outline:2px solid var(--form-control-border-focus);outline-offset:3px}.action-card-btn:disabled{background:var(--form-control-bg-disabled);color:var(--form-control-text-disabled);cursor:not-allowed}.action-card-btn--danger{background:var(--form-button-danger-bg)}.action-card-btn--danger,.action-card-btn--danger:hover{border-color:var(--form-button-danger-border);color:var(--form-button-danger-text)}.action-card-btn--danger:hover{background:var(--form-button-danger-bg-hover)}.mobile-detail-layer{display:none}.nav-indicator{display:flex;align-items:center;justify-content:center;width:64px;height:32px;border-radius:16px;transition:background .2s ease}.tutee-tabs button.is-active .nav-indicator,.tutor-tabs button.is-active .nav-indicator{background:#dbeeff}.nav-label{font-size:12px;font-weight:500;letter-spacing:.01em;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.settings-sheet-body{padding:16px;display:flex;flex-direction:column;gap:10px}.settings-sheet-input{width:100%;border:1px solid var(--form-control-border);border-radius:var(--form-control-radius);background:var(--form-control-bg);color:var(--obs);padding:12px 14px;font:inherit;font-size:var(--form-control-font-size);transition:border-color .18s ease,box-shadow .18s ease,background .18s ease}.settings-sheet-input:hover{border-color:var(--form-control-border-hover);background:var(--form-control-bg-hover)}.settings-sheet-input:focus{outline:none;border-color:var(--form-control-border-focus);box-shadow:var(--form-control-focus-ring);background:var(--form-control-bg-hover)}.invite-sheet-form{display:flex;flex-direction:column;gap:8px}.invite-sheet-list{border-top:1px solid #edf3f8;padding-top:4px;margin-top:4px}.invite-sheet-list-label{font-size:11px;font-weight:700;letter-spacing:.04em;text-transform:uppercase;color:var(--ash);padding:8px 0 4px}.invite-sheet-item{display:flex;align-items:center;gap:8px;padding:10px 0;border-bottom:1px solid #edf3f8}.invite-sheet-item:last-child{border-bottom:0}.invite-sheet-item strong{flex:1 1;min-width:0;font-size:14px;font-weight:600;letter-spacing:-.01em;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:var(--obs)}.invite-status{display:inline-flex;align-items:center;flex-shrink:0;border-radius:99px;padding:4px 9px;font-size:11px;font-weight:700}.invite-status--done{color:var(--mint-t);background:var(--mint)}.invite-status--pending{color:var(--elec);background:var(--ghostly)}.invite-status--expired,.invite-status--revoked{color:var(--ash);background:#f1f5f9}.invite-revoke-btn{flex-shrink:0;height:28px;padding:0 10px;border:1px solid #dce9f4;border-radius:8px;background:#f4f8fc;color:var(--pine);font-size:12px;font-weight:600;cursor:pointer;transition:background .12s,color .12s,border-color .12s}.invite-revoke-btn:hover{background:#e8f2fb;color:var(--obs);border-color:#b8d4ed}.invite-revoke-btn:disabled{opacity:.45;cursor:not-allowed}.tutee-page{min-height:100dvh;padding-bottom:calc(104px + env(safe-area-inset-bottom));color:var(--obs);background:#f6f9fc}.tutee-main{max-width:520px;margin:0 auto;padding:18px 16px calc(88px + env(safe-area-inset-bottom))}.tutee-welcome{display:flex;flex-direction:column;justify-content:space-between;gap:13px;align-items:stretch;margin-bottom:16px}.tutee-welcome h1{font-size:27px;line-height:1.2;letter-spacing:-.05em;margin-bottom:9px}.tutee-welcome>div:first-child>p:last-child{color:var(--pine);font-size:14px;line-height:1.55}.streak-card{width:100%;flex-shrink:0;display:flex;flex-direction:row;gap:13px;justify-content:flex-start;align-items:center;border:1px solid #d7e7f3;border-radius:16px;background:linear-gradient(135deg,#ffffff,#f4fbff 62%,#eef8f6);box-shadow:0 10px 24px rgba(30,47,67,.06);padding:14px}.streak-card-icon{display:inline-flex;width:42px;height:42px;align-items:center;justify-content:center;border-radius:14px;color:var(--elec);background:var(--white);box-shadow:inset 0 0 0 1px #dcecf7,0 8px 16px rgba(0,105,224,.08)}.streak-card-icon .feather-icon{width:19px;height:19px}.streak-card-copy{min-width:0}.streak-card strong{display:block;color:var(--obs);font-size:20px;line-height:1.05;letter-spacing:0;margin-bottom:3px}.streak-card-copy span{display:block;font-size:13px;font-weight:700;margin-bottom:0}.streak-card small{flex-shrink:0;color:var(--pine);background:rgba(255,255,255,.72);border:1px solid #dcecf7;border-radius:99px;padding:6px 9px;font-size:12px;font-weight:700;margin-left:auto}.learning-actions{display:grid;grid-template-columns:1fr;grid-gap:13px;gap:13px;margin-bottom:18px}.learning-actions button{display:grid;grid-template-columns:47px 1fr;grid-template-rows:auto auto auto;grid-column-gap:14px;column-gap:14px;align-items:center;border:1px solid #e5edf4;border-radius:19px;background:var(--white);color:var(--obs);padding:18px 17px;text-align:left;cursor:pointer;transition:border-color .18s ease,box-shadow .18s ease}.learning-actions button.is-selected{border-color:#a3d8ff;box-shadow:0 12px 32px rgba(0,105,224,.08)}.learning-action-icon{grid-row:1/4;display:flex;width:47px;height:47px;border-radius:14px;align-items:center;justify-content:center;color:var(--elec);background:var(--ghostly);font-size:17px;font-weight:700}.learning-action-icon--practice{color:#6d43cf;background:#f1edff}.learning-action-icon--assigned{color:var(--mint-t);background:var(--mint)}.learning-action-icon .feather-icon{width:21px;height:21px}.learning-actions strong{font-size:16px;letter-spacing:-.035em;margin-bottom:3px}.learning-actions p{color:var(--pine);font-size:11px;line-height:1.4;margin-bottom:5px}.learning-actions small{color:var(--elec);font-size:10px;font-weight:600}.tutee-board{display:grid;grid-template-columns:1fr;grid-gap:12px;gap:12px;align-items:start}.assignment-library,.tutee-focus{min-height:0;border:1px solid #dfeaf4;border-radius:18px;background:var(--white);box-shadow:0 8px 20px rgba(30,47,67,.045);padding:20px 16px;transition:border-color .2s ease,box-shadow .2s ease,transform .2s ease}.assignment-library:hover,.tutee-focus:hover{border-color:#d4e3ef;box-shadow:0 10px 24px rgba(30,47,67,.055)}.tutee-focus .auth-kicker{margin-bottom:11px}.tutee-focus h2{font-size:23px;line-height:1.2;letter-spacing:-.045em;margin-bottom:9px}.tutee-focus-description{max-width:470px;color:var(--pine);font-size:13px;line-height:1.58;margin-bottom:23px}.study-assignment-select{position:relative;margin-bottom:12px}.study-assignment-select-trigger{display:flex;justify-content:space-between;align-items:center;gap:15px;width:100%;min-height:72px;border:1px solid #e5eef6;border-radius:13px;background:#f8fbfd;color:var(--obs);padding:14px 15px;text-align:left;cursor:pointer;transition:border-color .16s ease,box-shadow .16s ease,background .16s ease}.study-assignment-select-trigger:hover{border-color:#d4e3ef;background:var(--white);box-shadow:0 8px 18px rgba(30,47,67,.045)}.study-assignment-select-trigger:focus-visible{outline:3px solid rgba(0,105,224,.18);outline-offset:2px;border-color:var(--elec)}.study-assignment-select-option-copy,.study-assignment-select-value{min-width:0}.study-assignment-select-option-copy small,.study-assignment-select-option-copy strong,.study-assignment-select-value small,.study-assignment-select-value strong{display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.study-assignment-select-option-copy strong,.study-assignment-select-value strong{font-size:14px;line-height:1.25}.study-assignment-select-option-copy small,.study-assignment-select-value small{color:var(--pine);font-size:11px;line-height:1.35;margin-top:4px}.study-assignment-select-title{display:flex;align-items:center;gap:6px;flex-wrap:wrap}.study-assignment-select-title strong{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.study-assignment-select-meta{display:inline-flex;align-items:center;gap:8px;flex-shrink:0}.study-assignment-select-meta small{color:var(--elec);background:var(--white);border-radius:90px;padding:7px 11px;font-size:11px;font-weight:600}.study-assignment-select-meta .feather-icon{width:16px;height:16px;color:var(--pine);transition:transform .16s ease}.study-assignment-select-meta .feather-icon.is-open{transform:rotate(180deg)}.study-assignment-select-content{position:absolute;left:0;right:0;top:calc(100% + 6px);z-index:6;max-height:260px;overflow-y:auto;border:1px solid #dbe7f0;border-radius:12px;background:var(--white);padding:5px;box-shadow:0 18px 38px rgba(30,47,67,.14)}.study-assignment-select-option{display:grid;grid-template-columns:minmax(0,1fr) auto 16px;align-items:center;grid-gap:9px;gap:9px;width:100%;min-height:48px;border:0;border-radius:8px;background:transparent;color:var(--obs);padding:8px 9px;text-align:left;cursor:pointer}.study-assignment-select-option.is-active,.study-assignment-select-option:hover{background:#f2f7fb}.study-assignment-select-option.is-selected{background:#eef6fd}.study-assignment-select-option>.feather-icon{width:15px;height:15px;color:var(--elec)}.word-preview{border:1px solid #e7eff6;border-radius:13px;overflow:hidden;margin-bottom:17px;background:#fbfdff}.word-preview>div{display:grid;grid-template-columns:minmax(86px,.72fr) minmax(0,1fr);align-items:center;grid-gap:10px;gap:10px;min-height:48px;padding:0 12px;border-bottom:1px solid #edf3f8;font-size:12px}.word-preview-more,.word-preview>div:last-child{border-bottom:0}.word-preview-more{display:block;padding:9px 12px;color:var(--ash);font-size:11px;font-weight:600;letter-spacing:.01em;border-top:1px dashed #e7eff6}.word-preview strong{letter-spacing:-.02em}.word-preview span{color:var(--pine)}.word-title-line{display:inline-flex;align-items:center;max-width:100%;gap:6px;min-width:0;vertical-align:middle}.word-title-line strong{min-width:0;overflow:hidden;text-overflow:ellipsis}.word-status{display:inline-flex;align-items:center;width:max-content;flex-shrink:0;border-radius:90px;padding:3px 6px;font-size:9px;font-weight:600}.word-status--review{color:#c2410c;background:#fff0e8}.word-status--wrong{color:#b42318;background:#ffe7e2}.word-status--new{color:var(--elec);background:var(--ghostly)}.word-status--done{color:var(--mint-t);background:var(--mint)}.tutee-secondary-action{display:inline-flex;align-items:center;justify-content:center;gap:7px;height:43px;width:100%;border:1px solid #d9eaf7;border-radius:12px;color:var(--elec);background:var(--white);font-size:13px;font-weight:600;cursor:pointer}.tutee-secondary-action .feather-icon{width:15px;height:15px}.session-preview{display:grid;grid-template-columns:repeat(3,1fr);grid-gap:9px;gap:9px;margin:8px 0 27px}.session-preview article{border:1px solid #e6eff7;border-radius:13px;background:#f8fbfd;padding:16px 12px}.session-preview span,.session-preview strong{display:block}.session-preview strong{font-size:24px;letter-spacing:-.055em;margin-bottom:5px}.session-preview span{color:var(--pine);font-size:12px}.tutee-start-action{display:inline-flex;height:48px;justify-content:center;gap:12px;border:0;border-radius:14px;align-items:center;background:var(--ink);color:var(--white);width:100%;padding:0 18px;font-size:14px;font-weight:600;cursor:pointer;transition:background .2s,color .2s,opacity .2s}.tutee-start-action .feather-icon{width:15px;height:15px}.tutee-focus .tutee-start-action{margin-top:13px}.tutee-flashcard-action{display:inline-flex;height:46px;justify-content:center;gap:10px;border:1px solid #cfe2f1;border-radius:14px;align-items:center;background:#f7fbff;color:var(--elec);width:100%;padding:0 18px;margin-top:9px;font-size:14px;font-weight:600;cursor:pointer;transition:background .2s,color .2s,opacity .2s}.tutee-flashcard-action:hover{background:#eef7ff;color:var(--obs)}.tutee-flashcard-action .feather-icon{width:15px;height:15px}.tutee-start-action.is-loading{background:#3a3f4a;pointer-events:none}.tutee-flashcard-action.is-loading{background:#ddeef9;pointer-events:none}.read-only-note{margin-top:15px;color:var(--pine);font-size:13px}.attempt-history{display:flex;flex-direction:column;gap:8px}.attempt-history details{border:1px solid #e2edf6;border-radius:13px;background:#fbfdff;color:var(--obs);font-size:13px;overflow:hidden}.attempt-history summary{display:grid;grid-template-columns:minmax(0,1fr) auto auto 16px;align-items:center;grid-gap:9px;gap:9px;padding:12px;cursor:pointer;list-style:none}.attempt-history summary::-webkit-details-marker{display:none}.attempt-history summary small,.attempt-history summary span,.attempt-history summary strong{display:block}.attempt-history summary strong{font-size:16px;line-height:1.15}.attempt-history summary small{color:var(--pine);font-size:12px;margin-top:3px}.attempt-history summary b,.attempt-history summary em{border-radius:99px;padding:5px 8px;font-size:11px;font-style:normal;font-weight:700}.attempt-history summary em{color:var(--elec);background:var(--ghostly)}.attempt-history summary b{color:#c2410c;background:#fff0e8}.attempt-history summary>.feather-icon{grid-column:4;width:15px;height:15px;color:var(--pine);transition:transform .16s ease}.attempt-history details[open] summary>.feather-icon{transform:rotate(180deg)}.attempt-history p{display:grid;grid-template-columns:auto minmax(0,.58fr) minmax(0,1fr);grid-gap:8px;gap:8px;align-items:start;border-top:1px solid #edf3f8;padding:9px 12px;color:var(--pine);font-size:12px}.attempt-review-badge{width:max-content;border-radius:99px;padding:4px 8px;font-size:11px;font-weight:700;line-height:1.2}.attempt-review-badge--pending{color:#8a5a00;background:#fff6d7}.attempt-review-badge--correct{color:var(--mint-t);background:var(--mint)}.attempt-review-badge--wrong{color:#c2410c;background:#fff0e8}.attempt-history p strong{color:var(--obs);font-size:12px}.attempt-history p small{color:var(--pine);font-size:12px;line-height:1.35}.attempt-history .attempt-history-empty{display:block;color:var(--pine);text-align:center}.practice-save-message{color:var(--pine);text-align:center;font-size:13px}.flashcard-shell{width:min(460px,100%);display:flex;flex-direction:column;gap:14px}.flashcard-status{display:grid;grid-gap:9px;gap:9px;border:1px solid #e4eef6;border-radius:16px;background:var(--white);box-shadow:0 16px 36px rgba(25,60,90,.08);padding:14px 16px}.flashcard-status>div{display:flex;align-items:center;justify-content:space-between;gap:12px}.flashcard-status strong{color:var(--obs);font-size:16px}.flashcard-status span{color:var(--pine);font-size:13px;font-weight:600}.flashcard-status i{height:7px;border-radius:99px;background:#edf4fa;overflow:hidden}.flashcard-status b{display:block;height:100%;border-radius:inherit;background:var(--elec);transition:width .22s ease}.flashcard{position:relative;display:block;width:100%;min-height:310px;border:1px solid #dcebf6;border-radius:24px;background:transparent;color:var(--obs);cursor:pointer;perspective:1200px}.flashcard:after{content:"";inset:-1px;pointer-events:none;box-shadow:0 24px 60px rgba(25,60,90,.14)}.flashcard-face,.flashcard:after{position:absolute;border-radius:inherit}.flashcard-face{inset:0;display:flex;flex-direction:column;justify-content:center;align-items:center;gap:16px;min-width:0;padding:32px 30px;background:var(--white);-webkit-backface-visibility:hidden;backface-visibility:hidden;transform-style:preserve-3d;transition:transform .32s ease}.flashcard-back{background:#f7fbff}.flashcard-back,.flashcard.is-flipped .flashcard-front{transform:rotateY(180deg)}.flashcard.is-flipped .flashcard-back{transform:rotateY(1turn)}.flashcard.is-known .flashcard-face{border:2px solid rgba(27,179,111,.34)}.flashcard-face small{color:var(--pine);font-size:13px;font-weight:700}.flashcard-face strong{max-width:100%;overflow-wrap:anywhere;text-align:center;color:var(--obs);font-size:34px;line-height:1.18;letter-spacing:0}.flashcard-face em{display:inline-flex;align-items:center;height:28px;padding:0 10px;border-radius:99px;background:var(--ghostly);color:var(--elec);font-size:12px;font-style:normal;font-weight:700}.flashcard-actions{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));grid-gap:9px;gap:9px}.flashcard-actions button,.flashcard-reset{display:inline-flex;align-items:center;justify-content:center;gap:7px;min-height:46px;border:1px solid #d9eaf7;border-radius:13px;background:var(--white);color:var(--pine);font-size:13px;font-weight:700;cursor:pointer}.flashcard-actions button:hover:not(:disabled),.flashcard-reset:hover{background:#eef7ff;color:var(--obs)}.flashcard-actions button:disabled{cursor:not-allowed;opacity:.42}.flashcard-actions button.is-active{border-color:rgba(27,179,111,.4);background:var(--mint);color:var(--mint-t)}.flashcard-actions .feather-icon,.flashcard-reset .feather-icon{width:15px;height:15px}.flashcard-reset{width:100%}.bottom-sheet--wide{width:min(720px,100%)}.tutee-sheet-header{display:flex;align-items:center;justify-content:space-between;padding:14px 20px 12px;flex-shrink:0;gap:12px}.tutee-sheet-identity{min-width:0}.tutee-sheet-username{color:var(--ash);font-size:12px;margin-bottom:3px}.tutee-sheet-name{font-size:20px;letter-spacing:-.04em;margin:0}.tutee-sheet-header-right{gap:10px}.tutee-sheet-close,.tutee-sheet-header-right{display:flex;align-items:center;flex-shrink:0}.tutee-sheet-close{width:32px;height:32px;border:0;border-radius:50%;background:var(--card);color:var(--pine);justify-content:center;cursor:pointer;transition:background .15s}.tutee-sheet-close:hover{background:#e8eff6}.tutee-sheet-close .feather-icon{width:16px;height:16px}.tutee-sheet-tabs{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));grid-gap:4px;gap:4px;padding:8px 16px 10px;margin:0 16px;border-bottom:1px solid #edf3f8;flex-shrink:0}.tutee-sheet-tabs button{height:36px;border:0;border-radius:10px;background:transparent;color:var(--pine);font-size:13px;font-weight:700;cursor:pointer;transition:background .15s,color .15s}.tutee-sheet-tabs button.is-active{background:#eef6fd;color:var(--obs);box-shadow:inset 0 0 0 1px #cfe3f4}.tutee-sheet-tabs button:hover:not(.is-active){background:var(--card);color:var(--obs)}.tutee-sheet-section{padding:18px 20px 28px}@media (max-width:900px){.management-grid{grid-template-columns:1fr}}.assignment-library{padding:18px 16px}.assignment-library-title{display:flex;justify-content:space-between;align-items:center;margin:1px 4px 14px}.assignment-library-title h2{font-size:17px;letter-spacing:-.035em}.assignment-library-title span{color:var(--pine);background:var(--card);border-radius:99px;padding:4px 10px;font-size:12px}.assignment-library button{display:grid;grid-template-columns:1fr auto;grid-gap:9px;gap:9px;width:100%;border:1px solid #edf3f8;border-radius:13px;background:#fbfdff;color:var(--obs);padding:14px 12px 13px;text-align:left;cursor:pointer;margin-bottom:10px;transition:border-color .18s ease,background .18s ease,box-shadow .18s ease,transform .18s ease}.assignment-library button:hover{border-color:#dbeaf5;background:var(--white);box-shadow:0 8px 16px rgba(30,47,67,.045)}.assignment-library button.is-selected{border-color:#a9d6f7;background:#f6fbff;box-shadow:inset 0 0 0 1px rgba(0,105,224,.08)}.assignment-library button small,.assignment-library button strong{display:block}.assignment-library button strong{font-size:14px;margin-bottom:6px}.assignment-library button small{color:var(--pine);font-size:12px}.assignment-library button>span{color:var(--elec);font-size:12px;font-weight:600}.assignment-library button i{grid-column:1/-1;height:5px;overflow:hidden;border-radius:90px;background:#e5eef6}.assignment-library button i b{display:block;height:100%;border-radius:inherit;background:var(--elec);transition:width .28s cubic-bezier(.22,1,.36,1)}.assignment-detail{border:1px solid #dfeaf4;border-radius:18px;background:var(--white);box-shadow:0 8px 20px rgba(30,47,67,.045);padding:18px 16px}.assignment-detail--sheet{width:min(640px,100%);max-height:88dvh;border:0;border-radius:24px 24px 0 0;padding:0;box-shadow:0 -8px 40px rgba(10,13,18,.14)}.assignment-detail-scroll{padding:18px 18px 14px}.assignment-detail-header{display:flex;align-items:flex-start;justify-content:space-between;gap:12px;margin-bottom:14px}.assignment-detail--sheet .assignment-detail-header{padding-right:42px}.assignment-detail-header h2{font-size:18px;line-height:1.25;letter-spacing:0;margin-bottom:5px}.assignment-detail-header p{color:var(--pine);font-size:12px}.assignment-detail-metrics{margin:0 0 16px}.assignment-detail-section{border-top:1px solid #edf3f8;padding-top:15px;margin-top:15px}.assignment-detail-section h3{font-size:14px;letter-spacing:0;margin-bottom:10px}.assignment-detail-section-heading{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:10px}.assignment-detail-section-heading h3{margin-bottom:0}.assignment-detail-section-heading span{flex-shrink:0;color:var(--pine);background:var(--card);border-radius:99px;padding:4px 9px;font-size:12px;font-weight:700}.assignment-word-list{border:1px solid #e7eff6;border-radius:13px;overflow:hidden;background:#fbfdff}.assignment-word-list>div{min-height:50px;padding:10px 12px;border-bottom:1px solid #edf3f8}.assignment-word-list>div:last-child{border-bottom:0}.assignment-word-list span,.assignment-word-list strong{display:block}.assignment-word-list strong{font-size:13px;margin-bottom:4px}.assignment-word-list span{color:var(--pine);font-size:12px;line-height:1.35}.assignment-empty-note{border:1px dashed #dbe7f0;border-radius:13px;background:#fbfdff;color:var(--pine);padding:16px 12px;font-size:13px;text-align:center}.assignment-detail-search{position:-webkit-sticky;position:sticky;bottom:0;z-index:2;flex-shrink:0;border-top:1px solid #edf3f8;background:rgba(255,255,255,.94);padding:10px 16px calc(12px + env(safe-area-inset-bottom));-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px)}.assignment-detail-search input{width:100%;min-height:44px;border:1px solid #dbe7f0;border-radius:12px;background:#f8fbfd;color:var(--obs);padding:0 13px;font-size:14px;font-weight:600;outline:none;transition:border-color .16s ease,background .16s ease,box-shadow .16s ease}.assignment-detail-search input::placeholder{color:var(--ash)}.assignment-detail-search input:focus{border-color:var(--elec);background:var(--white);box-shadow:0 0 0 3px rgba(0,105,224,.12)}.assigned-sheet-grabber{width:36px;height:4px;border-radius:99px;background:#d5dbe2;margin:0 auto 8px}.assigned-sheet-close{position:absolute;right:17px;top:17px;width:32px;height:32px;border:0;border-radius:50%;color:var(--pine);background:var(--card);font-size:23px;line-height:1;cursor:pointer;display:flex;align-items:center;justify-content:center}.assigned-sheet-close .feather-icon{width:17px;height:17px}.assigned-sheet-header{border-bottom:1px solid #edf3f8;padding:5px 22px 18px}.assigned-sheet-header .auth-kicker{margin-bottom:10px}.assigned-sheet-header h2{font-size:23px;letter-spacing:-.045em;margin-bottom:7px}.assigned-sheet-header>p:last-child{color:var(--pine);font-size:13px}.assigned-sheet-scroll{overflow-y:auto;overscroll-behavior:contain;padding:14px 16px 18px}.assigned-sheet-group{border:1px solid #e6eff7;border-radius:14px;overflow:hidden;margin-bottom:10px}.assigned-sheet-group.is-selected{border-color:#badfff}.assigned-sheet-group:last-child{margin-bottom:0}.assigned-group-heading{display:flex;width:100%;align-items:center;justify-content:space-between;gap:13px;border:0;background:#f9fcfe;color:var(--obs);padding:13px 14px;text-align:left;cursor:pointer}.assigned-group-heading h3{font-size:14px;letter-spacing:-.02em;margin-bottom:5px}.assigned-group-heading p{color:var(--pine);font-size:12px}.assigned-group-meta{display:flex;align-items:center;gap:11px;flex-shrink:0}.assigned-group-meta>span{flex-shrink:0;color:var(--elec);background:var(--white);border-radius:90px;padding:6px 10px;font-size:12px;font-weight:600}.assigned-group-meta>.feather-icon{width:15px;height:15px;color:var(--pine);transition:transform .18s ease}.assigned-group-meta>.feather-icon.is-expanded{transform:rotate(180deg)}.assigned-group-content{overflow:hidden}.assigned-word-grid{display:grid;grid-template-columns:repeat(2,1fr)}.assigned-word-row{display:flex;min-height:56px;align-items:center;justify-content:space-between;gap:8px;border-bottom:1px solid #edf3f8;padding:8px 13px}.assigned-word-row:nth-child(odd){border-right:1px solid #edf3f8}.assigned-word-row div{min-width:0}.assigned-word-row span,.assigned-word-row strong{display:block}.assigned-word-row strong{font-size:13px;margin-bottom:4px}.assigned-word-row span{color:var(--pine);font-size:12px}