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light-dark(#f6fbf8, #131f24);--tp-line: light-dark(#e2eae4, #2f454d);--tp-line-soft: light-dark(#edf2ef, #2f454d);--tp-mint: #0aa87a;--tp-mint-dark: light-dark(#078560, #69debb);--tp-mint-bg: light-dark(#e8f8ef, #213632);color:var(--tp-text)}.teacher-panel .tp-heading{max-width:1200px;margin:0 auto;padding:35px 36px 0}.app-content .teacher-panel .maindiv-control{padding-top:26px;min-height:0}.teacher-panel .tp-shell{display:flex;flex-direction:column;gap:22px}.teacher-panel .tp-hint{font-size:12.5px;color:light-dark(#7b8b80,#9fb3b0)}.teacher-panel .tp-muted{color:light-dark(#8a9b93,#83999a)}.teacher-panel .tp-summary{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}.teacher-panel .tp-summary-card{--tone: #0aa87a;--tone-bg: light-dark(#e4f7ee, #213632);display:flex;align-items:center;gap:14px;padding:16px 18px;background:light-dark(#fff,#1b2b31);border:2px solid var(--tp-line);border-radius:19px}.teacher-panel .tone-blue{--tone: #2f86c9;--tone-bg: light-dark(#e7f2fb, #1d2d39)}.teacher-panel .tone-violet{--tone: #7a5bbb;--tone-bg: light-dark(#f1ecfb, #271f38)}.teacher-panel .tone-amber{--tone: #cf8f0e;--tone-bg: light-dark(#fff4d9, #3e3319)}.teacher-panel .tone-rose{--tone: #c2513d;--tone-bg: light-dark(#fdece8, #3c211b)}.teacher-panel .tp-summary-icon{width:46px;height:46px;flex-shrink:0;display:grid;place-items:center;border-radius:14px;background:var(--tone-bg);color:var(--tone)}.teacher-panel .tp-summary-text strong{display:block;font-size:26px;font-weight:700;line-height:1.1;letter-spacing:-.5px;font-variant-numeric:tabular-nums}.teacher-panel .tp-summary-text span{display:block;margin-top:3px;font-size:12px;font-weight:500;color:var(--tp-muted)}.teacher-panel .tp-toolbar{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap}.teacher-panel .tp-tabs{display:flex;gap:4px;max-width:100%;padding:5px;overflow-x:auto;scrollbar-width:none;background:light-dark(#fff,#1b2b31);border:2px solid var(--tp-line);border-radius:17px}.teacher-panel .tp-tabs::-webkit-scrollbar{display:none}.teacher-panel .tp-tabs button{display:flex;align-items:center;gap:8px;padding:10px 15px;border:0;border-radius:12px;background:transparent;color:light-dark(#6f837c,#9fb3b0);font-size:13.5px;font-weight:600;white-space:nowrap;transition:background .15s,color .15s}.teacher-panel .tp-tabs button:hover{background:light-dark(#f1f8f3,#2e423e);color:light-dark(#2d5a4a,#e9f1ef)}.teacher-panel .tp-tabs button.is-active{background:var(--tp-mint-bg);color:var(--tp-mint-dark);box-shadow:inset 0 0 0 2px light-dark(#c5ead6,#3c5d56)}.teacher-panel .tp-toolbar-actions{display:flex;align-items:center;gap:10px}.teacher-panel .tp-add-button{padding:12px 20px}.teacher-panel .tp-panel{padding:24px 26px 28px;background:light-dark(#fff,#1b2b31);border:2px solid var(--tp-line);border-radius:23px}.teacher-panel .tp-panel-bar{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-bottom:18px}.teacher-panel .tp-section-head{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;margin:30px 0 14px}.teacher-panel .tp-section-head:first-child{margin-top:0}.teacher-panel .tp-section-head h2{display:flex;align-items:center;gap:9px;font-size:17px;font-weight:600;letter-spacing:-.2px}.teacher-panel .tp-count{display:inline-grid;place-items:center;min-width:26px;height:22px;padding:0 7px;border-radius:999px;background:light-dark(#eef4f0,#131f24);color:light-dark(#5d7a70,#c7d6d3);font-size:11px;font-weight:600}.teacher-panel .tp-switch{position:relative;display:inline-flex;align-items:center;gap:10px;font-size:13px;font-weight:600;color:light-dark(#4f6a62,#c7d6d3);cursor:pointer;-webkit-user-select:none;user-select:none}.teacher-panel .tp-switch input{position:absolute;opacity:0;width:1px;height:1px}.teacher-panel .tp-switch-track{position:relative;width:42px;height:25px;border-radius:999px;background:light-dark(#dde7e1,#22363d);transition:background .15s}.teacher-panel .tp-switch-track:after{content:"";position:absolute;top:3px;left:3px;width:19px;height:19px;border-radius:50%;background:light-dark(#fff,#1b2b31);box-shadow:0 1px 3px light-dark(#1d3b3226,#0000003d);transition:transform .15s}.teacher-panel .tp-switch input:checked+.tp-switch-track{background:var(--tp-mint)}.teacher-panel .tp-switch input:checked+.tp-switch-track:after{transform:translate(17px)}.teacher-panel .tp-switch input:focus-visible+.tp-switch-track{outline:3px solid #378ed0;outline-offset:2px}.teacher-panel .tp-icon-btn{--c: light-dark(#50706a, #c7d6d3);--bg: light-dark(#fff, #1b2b31);--bd: light-dark(#e2eae4, #22363d);--hover: light-dark(#f1f8f3, #243330);width:36px;height:36px;flex-shrink:0;display:inline-grid;place-items:center;padding:0;border:2px solid var(--bd);border-bottom-width:3px;border-radius:11px;background:var(--bg);color:var(--c);transition:background .12s,transform .12s}.teacher-panel .tp-icon-btn:hover:not(:disabled){background:var(--hover)}.teacher-panel .tp-icon-btn:active:not(:disabled){transform:translateY(1px)}.teacher-panel .tp-icon-btn.tone-mint{--c: #078560;--bg: light-dark(#effaf4, #213631);--bd: light-dark(#cdeedd, #223531);--hover: light-dark(#e1f6ea, #213632)}.teacher-panel .tp-icon-btn.tone-rose{--c: #c2513d;--bg: light-dark(#fff6f4, #3e2019);--bd: light-dark(#f5d9d2, #38241f);--hover: light-dark(#fde9e4, #3c211b)}.teacher-panel .tp-icon-btn.tone-violet{--c: #7a5bbb;--bg: light-dark(#f7f3fd, #291d39);--bd: light-dark(#e3daf6, #271f37);--hover: light-dark(#eee6fb, #281d39)}.teacher-panel .tp-course-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:16px}.teacher-panel .tp-course-card{position:relative;display:flex;flex-direction:column;gap:10px;padding:20px 18px 16px;overflow:hidden;background:light-dark(#fff,#1b2b31);border:2px solid var(--tp-line);border-bottom-width:5px;border-radius:19px;transition:transform .15s,border-color .15s}.teacher-panel .tp-course-card:before{content:"";position:absolute;inset:0 0 auto;height:6px;background:var(--course-color, #0aa87a)}.teacher-panel .tp-course-card:hover{transform:translateY(-2px);border-color:light-dark(#d3e3da,#455451)}.teacher-panel .tp-course-top{display:flex;align-items:center;justify-content:space-between;gap:10px}.teacher-panel .tp-code{padding:5px 11px;border-radius:10px;background:color-mix(in srgb,var(--course-color, #0aa87a) 13%,light-dark(white,#1b2b31));color:var(--course-color, light-dark(#0aa87a, #69debc));font-size:11px;font-weight:700;letter-spacing:.8px}.teacher-panel .tp-card-actions{display:flex;gap:6px}.teacher-panel .tp-course-card h3{min-height:42px;font-size:15.5px;font-weight:600;line-height:1.35}.teacher-panel .tp-course-meta{display:flex;align-items:center;gap:6px;margin-top:auto;font-size:12px;font-weight:500;color:var(--tp-muted)}.teacher-panel .tp-course-card.is-archived{background:light-dark(#fafcfb,#131f24)}.teacher-panel .tp-course-card.is-archived:before{background:light-dark(#c9d5ce,#2f454d)}.teacher-panel .tp-course-card.is-archived .tp-code{background:light-dark(#eef3f0,#131f24);color:light-dark(#6f8279,#9fb3b0)}.teacher-panel .tp-course-card.is-archived h3{color:light-dark(#5b7068,#c7d6d3)}.teacher-panel .tp-empty{display:flex;flex-direction:column;align-items:center;gap:6px;padding:30px 20px;text-align:center;background:light-dark(#fbfdfc,#131f24);border:2px dashed light-dark(#dbe6df,#2f454d);border-radius:19px;color:light-dark(#5f7770,#c7d6d3)}.teacher-panel .tp-empty-icon{width:52px;height:52px;display:grid;place-items:center;margin-bottom:6px;border-radius:16px;background:light-dark(#eef6f1,#243330);color:light-dark(#6d9a88,#9fb3b0)}.teacher-panel .tp-empty strong{font-size:15px;color:light-dark(#2d4a43,#e9f1ef)}.teacher-panel .tp-empty p{max-width:360px;font-size:12.5px;color:light-dark(#7b8b80,#9fb3b0)}.teacher-panel .tp-table-wrap{overflow-x:auto;border:2px solid light-dark(#e6eee9,#2f454d);border-radius:17px}.app-content .teacher-panel .tp-table{width:100%;border-collapse:separate;border-spacing:0;background:light-dark(#fff,#1b2b31);font-size:13px}.app-content .teacher-panel .tp-table th{padding:12px 16px;background:light-dark(#f3f9f5,#131f24);border-bottom:2px solid light-dark(#e6eee9,#2f454d);color:light-dark(#5d776d,#c7d6d3);font-size:10.5px;font-weight:600;letter-spacing:.9px;text-align:left;text-transform:uppercase;white-space:nowrap}.app-content .teacher-panel .tp-table td{padding:13px 16px;border-bottom:1px solid var(--tp-line-soft);color:light-dark(#2c4a45,#e9f1ef);text-align:left;vertical-align:middle}.app-content .teacher-panel .tp-table tbody>tr:last-child>td{border-bottom:0}.app-content .teacher-panel .tp-table .tp-num{text-align:right;font-variant-numeric:tabular-nums;white-space:nowrap}.app-content .teacher-panel .tp-table .tp-actions-col{width:1%;text-align:right;white-space:nowrap}.teacher-panel .tp-row-actions{display:flex;justify-content:flex-end;gap:6px}.teacher-panel .tp-question-text{min-width:260px;color:light-dark(#3d5a53,#e9f1ef)}.teacher-panel .tp-clamp{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;line-height:1.55}.teacher-panel .tp-row-expandable{cursor:pointer}.app-content .teacher-panel .tp-row-expandable:hover>td{background:var(--tp-soft)}.app-content .teacher-panel .tp-row-expandable.is-open>td{background:light-dark(#effaf4,#213631);border-bottom-color:light-dark(#d7efe2,#3e5b55)}.teacher-panel .tp-row-toggle{display:inline-flex;align-items:center;gap:9px;padding:0;border:0;background:none;color:var(--tp-text);font-size:14px;font-weight:600;text-align:left}.teacher-panel .tp-chevron{flex-shrink:0;color:light-dark(#7d9389,#9fb3b0);transform:rotate(-90deg);transition:transform .15s}.teacher-panel .is-open .tp-chevron{transform:none;color:var(--tp-mint-dark)}.app-content .teacher-panel .tp-subrow>td{padding:8px 16px 18px 44px;background:light-dark(#f5faf7,#131f24)}.app-content .teacher-panel .tp-subtable{border:2px solid light-dark(#e2ebe5,#2f454d);border-radius:14px;overflow:hidden}.app-content .teacher-panel .tp-subtable th{background:light-dark(#fff,#1b2b31)}.teacher-panel .tp-row-selectable{cursor:pointer}.app-content .teacher-panel .tp-row-selectable:hover>td{background:var(--tp-soft)}.app-content .teacher-panel .tp-row-selectable.is-selected>td{background:var(--tp-mint-bg)}.app-content .teacher-panel .tp-row-selectable.is-selected>td:first-child{box-shadow:inset 4px 0 0 var(--tp-mint)}.teacher-panel .tp-chip-list{display:flex;flex-wrap:wrap;gap:6px}.teacher-panel .tp-chip{display:inline-flex;align-items:center;padding:4px 9px;border-radius:8px;background:var(--tp-mint-bg);color:light-dark(#0b7a58,#69deba);font-size:11px;font-weight:600;letter-spacing:.4px;white-space:nowrap}.teacher-panel .tp-chip.is-soft{background:light-dark(#f2f6f4,#131f24);color:light-dark(#4f6a62,#c7d6d3);font-weight:500;letter-spacing:0}.teacher-panel .tp-unit-name{font-size:14px;font-weight:600}.teacher-panel .tp-status{display:inline-flex;align-items:center;gap:6px;padding:4px 10px;border-radius:999px;font-size:11px;font-weight:600;white-space:nowrap}.teacher-panel .tp-status:before{content:"";width:7px;height:7px;border-radius:50%;background:currentColor}.teacher-panel .tp-status.is-active{background:var(--tp-mint-bg);color:var(--tp-mint-dark)}.teacher-panel .tp-status.is-archived{background:light-dark(#f1f3f2,#131f24);color:light-dark(#7c8c85,#9fb3b0)}.teacher-panel .tp-difficulty{display:inline-block;padding:4px 10px;border-radius:999px;font-size:11px;font-weight:600}.teacher-panel .tp-difficulty.is-easy{background:var(--tp-mint-bg);color:var(--tp-mint-dark)}.teacher-panel .tp-difficulty.is-medium{background:light-dark(#fff4d9,#3e3319);color:light-dark(#a8740a,#deb769)}.teacher-panel .tp-difficulty.is-hard{background:light-dark(#fdece8,#3c211b);color:light-dark(#c2513d,#cc6d5c)}.teacher-panel .tp-bar-col{width:210px}.teacher-panel .tp-bar{display:flex;align-items:center;gap:10px;min-width:150px}.teacher-panel .tp-bar-track{flex:1;height:9px;overflow:hidden;border-radius:999px;background:light-dark(#e6eee9,#22363d)}.teacher-panel .tp-bar-fill{height:100%;border-radius:999px}.teacher-panel .tp-bar span{width:38px;font-size:12px;font-weight:600;font-variant-numeric:tabular-nums;text-align:right}.teacher-panel .tp-stats-toolbar{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-bottom:18px}.teacher-panel .tp-date-fields{display:flex;gap:12px;flex-wrap:wrap}.teacher-panel .tp-field{display:flex;flex-direction:column;gap:6px}.teacher-panel .tp-field>span{display:flex;align-items:center;gap:6px;color:light-dark(#6f837c,#9fb3b0);font-size:11px;font-weight:600;letter-spacing:.6px;text-transform:uppercase}.app-content .teacher-panel .tp-field input{width:150px;padding:10px 12px;border:2px solid light-dark(#dfe8e1,#2f454d);border-radius:12px;background:light-dark(#fbfdfb,#131f24);color:var(--tp-text);font-weight:500}.teacher-panel .tp-field input:focus{outline:none;border-color:var(--tp-mint);box-shadow:0 0 0 3px #0aa87a22}.teacher-panel .tp-filters{display:flex;align-items:center;gap:8px;flex-wrap:wrap;font-size:12.5px}.teacher-panel .tp-filters-label{display:flex;align-items:center;gap:6px;color:light-dark(#4f6a62,#c7d6d3);font-weight:600}.teacher-panel .tp-filter-chip{display:inline-flex;align-items:center;gap:6px;padding:6px 10px;border:2px solid light-dark(#bfe6d2,#3d5c56);border-radius:10px;background:var(--tp-mint-bg);color:var(--tp-mint-dark);font-size:12px;font-weight:600}.teacher-panel .tp-filter-chip:hover{background:light-dark(#dcf4e7,#2b4540)}.teacher-panel .tp-metrics{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px}.teacher-panel .tp-metric{padding:14px 16px;background:light-dark(#fbfdfc,#131f24);border:2px solid light-dark(#e6eee9,#2f454d);border-radius:16px}.teacher-panel .tp-metric span{display:block;color:light-dark(#7b8b80,#9fb3b0);font-size:11px;font-weight:600;letter-spacing:.6px;text-transform:uppercase}.teacher-panel .tp-metric strong{display:block;margin-top:4px;font-size:24px;font-weight:700;font-variant-numeric:tabular-nums}.teacher-panel .tp-metric.is-accent{background:var(--tp-mint-bg);border-color:light-dark(#c5ead6,#3c5d56)}.teacher-panel .tp-metric.is-accent strong{color:var(--tp-mint-dark)}.teacher-panel .tp-segmented{display:inline-flex;gap:4px;padding:4px;border-radius:12px;background:light-dark(#f1f6f3,#131f24)}.teacher-panel .tp-segmented button{padding:7px 12px;border:0;border-radius:9px;background:none;color:light-dark(#6f837c,#9fb3b0);font-size:12px;font-weight:600}.teacher-panel .tp-segmented button.is-active{background:light-dark(#fff,#22363d);color:var(--tp-mint-dark);box-shadow:0 0 0 1px light-dark(#d6e4dc,#2f454d),0 2px 0 light-dark(#d6e4dc,#2f454d)}.teacher-panel .react-datepicker-popper{z-index:30}.teacher-panel .admin-users-panel{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:18px}.teacher-panel .admin-user-list-frame{height:min(60vh,560px);min-height:320px;display:flex;flex-direction:column;overflow:hidden;background:light-dark(#fbfdfc,#131f24);border:2px solid light-dark(#e6eee9,#2f454d);border-radius:19px}.teacher-panel .admin-user-list-header{display:flex;align-items:center;justify-content:space-between;padding:14px 18px;background:light-dark(#fff,#1b2b31);border-bottom:2px solid var(--tp-line-soft)}.teacher-panel .admin-user-list-header h2{font-size:16px;font-weight:600}.teacher-panel .admin-user-list-header span{display:inline-grid;place-items:center;min-width:28px;height:24px;padding:0 8px;border-radius:999px;background:var(--tp-mint-bg);color:var(--tp-mint-dark);font-size:12px;font-weight:600}.teacher-panel .admin-user-list{flex:1;min-height:0;display:flex;flex-direction:column;gap:8px;padding:14px;overflow-y:auto}.teacher-panel .admin-user-search-shell{position:sticky;top:0;z-index:2;flex:0 0 46px;display:flex;align-items:center;gap:10px;padding:0 14px;background:light-dark(#fff,#1b2b31);border:2px solid light-dark(#dfe8e1,#2f454d);border-radius:12px;color:light-dark(#7b8b80,#9fb3b0)}.teacher-panel .admin-user-search-shell:focus-within{border-color:var(--tp-mint);box-shadow:0 0 0 3px #0aa87a22}.app-content .teacher-panel .admin-user-search-shell 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