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0 0);--code-bg:#f4f3ec;--accent:oklch(97% 0 0);--accent-bg:#aa3bff1a;--accent-border:#aa3bff80;--social-bg:#f4f3ec80;--shadow:#0000001a 0 10px 15px -3px, #0000000d 0 4px 6px -2px;--sans:"Pretendard", -apple-system, BlinkMacSystemFont, system-ui, "Apple SD Gothic Neo", "Noto Sans KR", "Malgun Gothic", sans-serif;--heading:var(--sans);--mono:ui-monospace, Consolas, monospace;font:14px/145% var(--sans);letter-spacing:-.01em;--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light;color:var(--vt-ink-3);background:var(--vt-bg);font-synthesis:none;text-rendering:optimizelegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}@media (width<=1024px){:root{font-size:16px}}:root{--background:oklch(100% 0 0);--foreground:oklch(14.5% 0 0);--card:oklch(100% 0 0);--card-foreground:oklch(14.5% 0 0);--popover:oklch(100% 0 0);--popover-foreground:oklch(14.5% 0 0);--primary:oklch(20.5% 0 0);--primary-foreground:oklch(98.5% 0 0);--secondary:oklch(97% 0 0);--secondary-foreground:oklch(20.5% 0 0);--muted:oklch(97% 0 0);--muted-foreground:oklch(55.6% 0 0);--accent-foreground:oklch(20.5% 0 0);--destructive:oklch(57.7% .245 27.325);--input:oklch(92.2% 0 0);--ring:oklch(70.8% 0 0);--chart-1:oklch(87% 0 0);--chart-2:oklch(55.6% 0 0);--chart-3:oklch(43.9% 0 0);--chart-4:oklch(37.1% 0 0);--chart-5:oklch(26.9% 0 0);--radius:.625rem;--sidebar:oklch(98.5% 0 0);--sidebar-foreground:oklch(14.5% 0 0);--sidebar-primary:oklch(20.5% 0 0);--sidebar-primary-foreground:oklch(98.5% 0 0);--sidebar-accent:oklch(97% 0 0);--sidebar-accent-foreground:oklch(20.5% 0 0);--sidebar-border:oklch(92.2% 0 0);--sidebar-ring:oklch(70.8% 0 0)}@media (prefers-color-scheme:dark){:root{--text:#9ca3af;--text-h:#f3f4f6;--bg:#16171d;--border:#2e303a;--code-bg:#1f2028;--accent:#c084fc;--accent-bg:#c084fc26;--accent-border:#c084fc80;--social-bg:#2f303a80;--shadow:#0006 0 10px 15px -3px, #00000040 0 4px 6px -2px}#social .button-icon{filter:invert()brightness(2)}}#root{box-sizing:border-box;width:100%;min-height:100svh}body{margin:0}h1,h2{font-family:var(--heading);color:var(--text-h);font-weight:500}h1{letter-spacing:-.0253em;margin:0;font-size:32px}@media (width<=1024px){h1{font-size:24px}}h2{letter-spacing:-.0236em;margin:0;font-size:28px;line-height:1.358}@media (width<=1024px){h2{font-size:20px}}p{margin:0}code,.counter{font-family:var(--mono);color:var(--text-h);border-radius:4px;display:inline-flex}code{background:var(--code-bg);padding:4px 8px;font-size:15px;line-height:135%}.dark{--background:oklch(14.5% 0 0);--foreground:oklch(98.5% 0 0);--card:oklch(20.5% 0 0);--card-foreground:oklch(98.5% 0 0);--popover:oklch(20.5% 0 0);--popover-foreground:oklch(98.5% 0 0);--primary:oklch(92.2% 0 0);--primary-foreground:oklch(20.5% 0 0);--secondary:oklch(26.9% 0 0);--secondary-foreground:oklch(98.5% 0 0);--muted:oklch(26.9% 0 0);--muted-foreground:oklch(70.8% 0 0);--accent:oklch(26.9% 0 0);--accent-foreground:oklch(98.5% 0 0);--destructive:oklch(70.4% .191 22.216);--border:oklch(100% 0 0/.1);--input:oklch(100% 0 0/.15);--ring:oklch(55.6% 0 0);--chart-1:oklch(87% 0 0);--chart-2:oklch(55.6% 0 0);--chart-3:oklch(43.9% 0 0);--chart-4:oklch(37.1% 0 0);--chart-5:oklch(26.9% 0 0);--sidebar:oklch(20.5% 0 0);--sidebar-foreground:oklch(98.5% 0 0);--sidebar-primary:oklch(48.8% .243 264.376);--sidebar-primary-foreground:oklch(98.5% 0 0);--sidebar-accent:oklch(26.9% 0 0);--sidebar-accent-foreground:oklch(98.5% 0 0);--sidebar-border:oklch(100% 0 0/.1);--sidebar-ring:oklch(55.6% 0 0)}@property --tw-translate-x{syntax:"*";inherits:false;initial-value:0}@property --tw-translate-y{syntax:"*";inherits:false;initial-value:0}@property --tw-translate-z{syntax:"*";inherits:false;initial-value:0}@property --tw-rotate-x{syntax:"*";inherits:false}@property --tw-rotate-y{syntax:"*";inherits:false}@property --tw-rotate-z{syntax:"*";inherits:false}@property --tw-skew-x{syntax:"*";inherits:false}@property --tw-skew-y{syntax:"*";inherits:false}@property --tw-space-y-reverse{syntax:"*";inherits:false;initial-value:0}@property --tw-border-style{syntax:"*";inherits:false;initial-value:solid}@property --tw-leading{syntax:"*";inherits:false}@property --tw-font-weight{syntax:"*";inherits:false}@property --tw-tracking{syntax:"*";inherits:false}@property --tw-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-shadow-color{syntax:"*";inherits:false}@property --tw-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-inset-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-inset-shadow-color{syntax:"*";inherits:false}@property --tw-inset-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-ring-color{syntax:"*";inherits:false}@property --tw-ring-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-inset-ring-color{syntax:"*";inherits:false}@property --tw-inset-ring-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-ring-inset{syntax:"*";inherits:false}@property --tw-ring-offset-width{syntax:"<length>";inherits:false;initial-value:0}@property --tw-ring-offset-color{syntax:"*";inherits:false;initial-value:#fff}@property --tw-ring-offset-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-outline-style{syntax:"*";inherits:false;initial-value:solid}@property --tw-blur{syntax:"*";inherits:false}@property --tw-brightness{syntax:"*";inherits:false}@property --tw-contrast{syntax:"*";inherits:false}@property --tw-grayscale{syntax:"*";inherits:false}@property --tw-hue-rotate{syntax:"*";inherits:false}@property --tw-invert{syntax:"*";inherits:false}@property --tw-opacity{syntax:"*";inherits:false}@property --tw-saturate{syntax:"*";inherits:false}@property --tw-sepia{syntax:"*";inherits:false}@property --tw-drop-shadow{syntax:"*";inherits:false}@property --tw-drop-shadow-color{syntax:"*";inherits:false}@property --tw-drop-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-drop-shadow-size{syntax:"*";inherits:false}@property --tw-duration{syntax:"*";inherits:false}@property --tw-ease{syntax:"*";inherits:false}@keyframes spin{to{transform:rotate(360deg)}}@keyframes pulse{50%{opacity:.5}}@keyframes enter{0%{opacity:var(--tw-enter-opacity,1);transform:translate3d(var(--tw-enter-translate-x,0),var(--tw-enter-translate-y,0),0)scale3d(var(--tw-enter-scale,1),var(--tw-enter-scale,1),var(--tw-enter-scale,1))rotate(var(--tw-enter-rotate,0));filter:blur(var(--tw-enter-blur,0))}}@keyframes exit{to{opacity:var(--tw-exit-opacity,1);transform:translate3d(var(--tw-exit-translate-x,0),var(--tw-exit-translate-y,0),0)scale3d(var(--tw-exit-scale,1),var(--tw-exit-scale,1),var(--tw-exit-scale,1))rotate(var(--tw-exit-rotate,0));filter:blur(var(--tw-exit-blur,0))}}.vt-app-dialog{background:var(--vt-bg);max-height:calc(100vh - 64px);color:var(--vt-ink-3);flex-direction:column;overflow:hidden;box-shadow:0 24px 64px #09090b29;border-radius:var(--vt-radius-lg)!important;gap:0!important;width:calc(100vw - 32px)!important;padding:0!important;display:flex!important}.vt-app-dialog[data-size=sm]{max-width:440px!important}.vt-app-dialog[data-size=md]{max-width:720px!important}.vt-app-dialog[data-size=lg]{max-width:960px!important}.vt-app-dialog[data-size=xl]{max-width:1120px!important}.vt-app-dialog[data-size=fullscreen]{height:calc(100vh - 40px);max-height:calc(100vh - 40px);width:calc(100vw - 40px)!important;max-width:1280px!important}.vt-app-dialog__header{border-bottom:1px solid var(--vt-line-soft);justify-content:space-between;align-items:center;gap:16px;min-height:64px;padding:20px 24px;display:flex}.vt-app-dialog__heading{gap:4px;min-width:0;display:grid}.vt-app-dialog__title{color:var(--vt-ink);letter-spacing:-.03em;margin:0;font-size:18px;font-weight:800;line-height:1.25}.vt-app-dialog__description{color:var(--vt-ink-5);margin:0;font-size:12px;font-weight:500;line-height:1.45}.vt-app-dialog__close{border-radius:var(--vt-radius);width:32px;height:32px;color:var(--vt-ink-6);cursor:pointer;background:0 0;border:0;flex:none;place-items:center;display:inline-grid}.vt-app-dialog__close:disabled{cursor:not-allowed;opacity:.45}.vt-app-dialog__body{min-height:0;color:var(--vt-ink-3)}.vt-app-dialog__body[data-scrollable=true]{scrollbar-color:transparent transparent;scrollbar-gutter:stable;scrollbar-width:thin;overflow:auto}.vt-app-dialog__body[data-scrollable=true]:hover{scrollbar-color:var(--vt-ink-7) transparent}.vt-app-dialog__body[data-scrollable=true]::-webkit-scrollbar{background:0 0;width:10px;height:10px}.vt-app-dialog__body[data-scrollable=true]::-webkit-scrollbar-track{background:0 0}.vt-app-dialog__body[data-scrollable=true]::-webkit-scrollbar-thumb{background:padding-box padding-box;border:2px solid #0000;border-radius:5px}.vt-app-dialog__body[data-scrollable=true]:hover::-webkit-scrollbar-thumb{background:var(--vt-ink-7);background-clip:padding-box;border:2px solid #0000}.vt-app-dialog__body[data-scrollable=true]:hover::-webkit-scrollbar-thumb:hover{background:var(--vt-ink-5)}.vt-app-dialog__body[data-scrollable=false]{overflow:visible}.vt-app-dialog__body[data-padding=none]{padding:0}.vt-app-dialog__body[data-padding=sm]{padding:16px}.vt-app-dialog__body[data-padding=md]{padding:24px}.vt-app-dialog__footer{border-top:1px solid var(--vt-line-soft);border-radius:0 0 var(--vt-radius-lg) var(--vt-radius-lg);background:var(--vt-bg-muted);justify-content:space-between;align-items:center;gap:12px;min-height:66px;padding:16px 24px;display:flex}.vt-app-dialog__footer-start,.vt-app-dialog__footer-end{align-items:center;gap:8px;min-width:0;display:inline-flex}.vt-app-dialog__footer-start{justify-content:flex-start}.vt-app-dialog__footer-end{justify-content:flex-end;margin-left:auto}.vt-app-dialog-action{border:1px solid var(--vt-line-soft);border-radius:var(--vt-radius);background:var(--vt-bg-card);height:36px;color:var(--vt-ink-2);cursor:pointer;font:inherit;letter-spacing:-.02em;white-space:nowrap;justify-content:center;align-items:center;gap:6px;padding:0 14px;font-size:13px;font-weight:700;line-height:1;display:inline-flex}.vt-app-dialog-action[data-tone=secondary]{border-color:var(--vt-line);background:0 0}.vt-app-dialog-action[data-tone=secondary]:hover{background:var(--vt-line)}.vt-app-dialog-action[data-tone=primary]{border-color:var(--vt-teal);background:var(--vt-teal);color:#fff}.vt-app-dialog-action[data-tone=danger]{color:var(--vt-neg);background:#f23c3b1a}.vt-app-dialog-action[data-tone=neutral]{border-color:var(--vt-ink);background:var(--vt-ink);color:#fff}.vt-app-dialog-action:disabled{cursor:not-allowed;opacity:.45}.vt-app-dialog-action__icon{flex:none;place-items:center;display:inline-grid}.vt-app-dialog-action__icon svg{width:14px;height:14px}@media (width<=768px){.vt-app-dialog{max-height:calc(100vh - 48px);width:calc(100vw - 24px)!important}.vt-app-dialog[data-size=fullscreen]{height:calc(100vh - 24px);max-height:calc(100vh - 24px);width:calc(100vw - 24px)!important}.vt-app-dialog__header{min-height:52px;padding:15px 16px 14px}.vt-app-dialog__title{font-size:15px}.vt-app-dialog__body[data-padding=md]{padding:16px}.vt-app-dialog__footer{flex-direction:column;align-items:stretch;padding:10px 12px}.vt-app-dialog__footer-start,.vt-app-dialog__footer-end{width:100%}.vt-app-dialog__footer-end{justify-content:flex-end}.vt-app-dialog-action{flex:1}}.account-recovery-dialog-overlay{background:#141c228c!important}.account-recovery-dialog[data-size=md]{border-radius:20px!important;width:90%!important;max-width:540px!important;padding:0!important;box-shadow:0 18px 50px #0f1e3238!important}.account-recovery-dialog .vt-app-dialog__header{border-bottom:0;align-items:flex-start;min-height:0;padding:28px 30px 0}.account-recovery-dialog .vt-app-dialog__title{color:#16191c;letter-spacing:-.02em;font-size:22px;font-weight:800}.account-recovery-dialog .vt-app-dialog__description{color:#6f767e;letter-spacing:-.01em;margin-top:7px;font-size:14px;font-weight:500;line-height:1.55}.account-recovery-dialog .vt-app-dialog__close{color:#9aa1a9;border-radius:10px;width:34px;height:34px;margin:-4px -6px 0 0}.account-recovery-dialog .vt-app-dialog__close:hover{color:#3a4047;background:#f2f4f6}.account-recovery-dialog .vt-app-dialog__close svg{width:20px;height:20px}.vt-app-dialog__body.account-recovery-dialog__body[data-scrollable=true]{flex:auto;min-height:0;padding:22px 30px 30px;scrollbar-gutter:auto!important}.account-recovery-dialog__form{border:1px solid #e6e8ec;border-radius:16px;max-height:450px;padding:26px 26px 28px;overflow-y:auto}.account-recovery-dialog__form--selection{padding:10px 10px 22px}.account-recovery-dialog__fields{flex-direction:column;gap:14px;display:flex}.account-recovery-dialog__field{color:#3a4047;grid-template-columns:72px minmax(0,1fr);align-items:center;column-gap:16px;font-size:14px;font-weight:700;display:grid}.account-recovery-dialog__field input{color:#16191c;width:100%;height:48px;font:inherit;background:#f7f9fa;border:1px solid #e6e8ec;border-radius:11px;outline:0;padding:0 16px;font-size:14.5px;font-weight:500;transition:border-color .15s,box-shadow .15s,background .15s}.account-recovery-dialog__field input::placeholder{color:#9aa1a9}.account-recovery-dialog__field input:focus{border-color:var(--vt-teal);box-shadow:0 0 0 4px var(--vt-teal-12);background:#fff}.account-recovery-dialog__field input[aria-invalid=true]{border-color:var(--vt-neg);background:#fff5f5}.account-recovery-dialog__error{color:var(--vt-neg);letter-spacing:-.01em;align-items:center;gap:6px;margin:2px 0 0;font-size:13px;font-weight:600;line-height:1.45;display:flex}.account-recovery-dialog__actions{justify-content:center;margin-top:26px;display:flex}.account-recovery-dialog__actions button{background:var(--vt-teal);color:#fff;cursor:pointer;height:48px;font:inherit;letter-spacing:-.01em;border:0;border-radius:11px;padding:0 38px;font-size:15px;font-weight:800;transition:background .15s,box-shadow .15s,opacity .15s}.account-recovery-dialog__actions button:hover:not(:disabled){background:#0e8ea3;box-shadow:0 6px 16px #15acc447}.account-recovery-dialog__actions button:disabled{cursor:not-allowed;opacity:.65}.account-recovery-dialog__candidates{border:0;flex-direction:column;gap:0;margin:0;padding:0;display:flex}.account-recovery-dialog__candidates>label{cursor:pointer;background:0 0;border:0;border-radius:12px;align-items:center;gap:14px;padding:16px 18px;transition:border-color .15s,background .15s;display:flex;position:relative}.account-recovery-dialog__candidates>label[data-selected=true]{background:0 0}.account-recovery-dialog__candidates>label:hover{background:#f7f9fa}.account-recovery-dialog__candidates input{clip:rect(0 0 0 0);clip-path:inset(50%);white-space:nowrap;width:1px;height:1px;margin:0;position:absolute;inset:0;overflow:hidden}.account-recovery-dialog__radio{border:2px solid #c9cfd6;border-radius:999px;flex:none;justify-content:center;align-items:center;width:20px;height:20px;display:inline-flex}.account-recovery-dialog__candidates>label[data-selected=true] .account-recovery-dialog__radio{border-color:var(--vt-teal)}.account-recovery-dialog__candidates>label[data-selected=true] .account-recovery-dialog__radio:after{background:var(--vt-teal);content:"";border-radius:999px;width:10px;height:10px}.account-recovery-dialog__candidate-copy{flex:1;justify-content:space-between;align-items:center;gap:12px;display:flex}.account-recovery-dialog__candidate-copy strong{color:#16191c;letter-spacing:.04em;font-size:16px;font-weight:600}.account-recovery-dialog__candidate-copy small{color:#6f767e;font-size:13px;font-weight:500}.account-recovery-dialog__form--selection .account-recovery-dialog__actions{margin-top:18px}.account-recovery-dialog__form--selection .account-recovery-dialog__actions button{height:46px;padding:0 26px;font-size:14.5px}.login-admin-popups{z-index:40;pointer-events:none;position:fixed;inset:0}.login-admin-popup{cursor:move;pointer-events:auto;-webkit-user-select:none;user-select:none;background:0 0;flex-direction:column;min-width:250px;display:flex;position:absolute;overflow:hidden;box-shadow:0 14px 28px #00000040,0 10px 10px #00000038}.login-admin-popup__image{flex:auto;min-height:0}.login-admin-popup__image a,.login-admin-popup__image img{width:100%;height:100%;display:block}.login-admin-popup__image img{object-fit:fill;-webkit-user-drag:none;-webkit-user-select:none;user-select:none}.login-admin-popup__controls{background:#abbac3;flex:0 0 34px;justify-content:space-between;align-items:center;height:34px;display:flex}.login-admin-popup__controls button{box-shadow:none;color:#393939;cursor:pointer;background:0 0;border:0;padding:0 12px;font-size:13px;line-height:34px}.login-popup-window{background:#fff;margin:0}.login-popup-window 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span{background:var(--vt-teal);border-radius:999px;width:8px;height:8px}.book-bulk-adopt-dialog__mode-desc{color:var(--vt-ink-5);padding-left:24px;font-size:11px;line-height:1.5;display:block}.book-bulk-adopt-dialog__split-box{background:var(--vt-teal-08);border-radius:8px;align-items:center;gap:10px;margin-top:14px;padding:12px 14px;display:flex}.book-bulk-adopt-dialog__split-box span{color:var(--vt-ink-3);font-size:12px;font-weight:700}.book-bulk-adopt-dialog__split-box em{color:var(--vt-ink-5);font-size:11px;font-style:normal}.book-bulk-adopt-dialog__split-input{box-sizing:border-box;border:1px solid var(--vt-line);width:70px;height:30px;color:var(--vt-ink-2);text-align:center;background:#fff;border-radius:8px;outline:none;padding:0 8px;font-family:inherit;font-size:13px}.book-bulk-adopt-dialog__split-box .book-bulk-adopt-dialog__split-input{width:100px;height:32px;padding:0 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#fff;width:7px;height:4px;transform:rotate(-45deg)translate(1px,-1px)}.book-distribute-class-chip{background:var(--vt-bg-card);max-width:100%;height:21px;color:var(--vt-ink-4);letter-spacing:-.01em;text-overflow:ellipsis;white-space:nowrap;border-radius:6px;align-items:center;padding:0 8px;font-size:11px;font-weight:600;display:inline-flex;overflow:hidden}.book-distribute-name{color:var(--vt-ink);font-size:12px;font-weight:800}.book-distribute-history-button{background:var(--vt-teal-12);height:22px;color:var(--vt-teal);cursor:pointer;font:inherit;font-variant-numeric:tabular-nums;white-space:nowrap;border:none;border-radius:999px;justify-content:center;align-items:center;gap:3px;padding:0 8px;font-size:11px;font-weight:600;line-height:1;display:inline-flex}.book-distribute-history-button:after{content:"";border-top:1.8px solid;border-right:1.8px solid;width:5px;height:5px;transform:rotate(45deg)}.book-distribute-folder-label{border:1px solid 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8px;font-size:11px;font-weight:700;line-height:1;display:inline-flex}.book-distribute-status-chip[data-status=완료]{color:var(--vt-pos);background:#16a34a1f}.book-distribute-status-chip[data-status=학습중]{background:var(--vt-teal-12);color:var(--vt-teal)}.book-distribute-status-chip[data-status=미시작]{background:var(--vt-bg-muted);color:var(--vt-ink-5)}.book-distribute-progress{align-items:center;gap:6px;width:80%;display:flex}.book-distribute-progress i{background:var(--vt-bg-card);border-radius:999px;flex:1;height:6px;display:block;position:relative;overflow:hidden}.book-distribute-progress i em{border-radius:inherit;background:var(--vt-ink-5);content:"";height:100%;display:block}.book-distribute-progress[data-status=완료] i em{background:var(--vt-pos)}.book-distribute-progress[data-status=학습중] i em{background:var(--vt-teal)}.book-distribute-progress span{color:var(--vt-ink-3);font-variant-numeric:tabular-nums;font-size:11px;font-weight:700}.book-distribute-recall-button{border:1px solid 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svg{opacity:.5;flex:none}.books-list-table__folder-name{text-overflow:ellipsis;white-space:nowrap;max-width:112px;overflow:hidden}.books-list-table__students{color:var(--vt-ink-5);font-variant-numeric:tabular-nums;align-items:baseline;gap:2px;display:inline-flex}.books-list-table__students b{color:var(--vt-teal);font-size:13px;font-weight:800}.books-list-table__students span{font-size:12px}.books-list-row-actions{justify-content:flex-end;align-items:center;gap:4px;display:inline-flex;position:relative}.books-list-table__empty{color:var(--vt-ink-5);justify-items:center;padding:60px 12px;display:grid}.books-list-table__empty svg{opacity:.3;margin-bottom:8px}.books-list-table__empty-title{color:var(--vt-ink-5);font-size:13px;font-weight:600;line-height:1.35}.books-list-table__empty-description{color:var(--vt-ink-5);margin-top:4px;font-size:12px;font-weight:500;line-height:1.35}.books-list-row-menu{z-index:80;border:1px solid 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button:hover{background:var(--vt-bg-muted)}.books-list-row-menu button:disabled{cursor:default;opacity:.4}.books-list-row-menu button:disabled:hover{background:0 0}.books-list-row-menu button.is-danger{color:var(--vt-neg)}.books-list-row-menu button.is-danger:hover{background:#f23c3b0f}.books-list-row-menu__sep{background:var(--vt-line-soft);height:1px;margin:4px 0}.books-list-row-menu__color{border-radius:3px;flex:none;width:10px;height:10px}.books-list-color-picker{background:var(--vt-bg-muted);border-radius:6px;margin:4px 4px 6px;padding:8px 10px}.books-list-color-picker__grid{grid-template-columns:repeat(4,1fr);gap:6px;display:grid}.books-list-color-picker__swatch{color:#fff;cursor:pointer;border:1px solid #00000014;border-radius:6px;flex:0 0 24px;justify-content:center;justify-self:center;align-items:center;width:24px;min-width:24px;max-width:24px;height:24px;min-height:24px;max-height:24px;padding:0;display:inline-flex}.books-list-row-menu .books-list-color-picker__swatch{flex:0 0 24px;justify-content:center;justify-self:center;align-items:center;width:24px;min-width:24px;max-width:24px;height:24px;min-height:24px;max-height:24px;padding:0;display:inline-flex}.books-list-color-picker__swatch[data-selected=true]{border:2px solid var(--vt-ink);box-shadow:inset 0 0 0 2px #fff}.books-list-form-field{gap:6px;display:grid}.books-list-form-field>span{color:var(--vt-ink-3);font-size:12px;font-weight:700}.books-list-form-field>span b{color:var(--vt-neg)}.books-list-form-field small{color:var(--vt-ink-5);font-size:11px;line-height:1.45}.books-list-form-input{border:1px solid var(--vt-line);border-radius:var(--vt-radius);width:100%;height:36px;color:var(--vt-ink-2);font:inherit;background:#fff;outline:none;padding:0 10px;font-size:13px}.books-list-form-input:focus:not(:disabled){border-color:var(--vt-teal);box-shadow:0 0 0 3px 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span{color:var(--vt-ink-5);font-size:11px;font-weight:600}.book-print-source-card__search{flex:none;width:220px}.book-print-source-card__search-input{height:30px}.book-print-source-card__tabs{border-bottom:1px solid var(--vt-line-soft);flex-shrink:0;align-items:center;gap:8px;height:44px;padding:0 14px;display:flex}.book-print-source-card__tabs>span{color:var(--vt-ink-5);font-size:11px}.book-print-segmented{background:var(--vt-bg-muted);border-radius:8px;align-items:center;padding:3px;display:inline-flex}.book-print-segmented button{color:#adadb5;cursor:pointer;height:28px;font:inherit;background:0 0;border:0;border-radius:6px;padding:0 12px;font-size:12px;font-weight:700}.book-print-segmented button:not(.is-active):hover{color:#adadb5}.book-print-segmented button.is-active{color:var(--vt-ink);background:#fff;box-shadow:0 1px 3px #00000014}.book-print-table{table-layout:fixed;border-collapse:collapse;width:100%;margin:0}.book-print-table--head{flex-shrink:0}.book-print-table thead{background:#f1f3f5}.book-print-table thead tr{height:34px}.book-print-table th{border-bottom:1px solid var(--vt-line);height:34px;color:var(--vt-ink-3);letter-spacing:-.01em;text-align:left;white-space:nowrap;padding:8px 10px;font-size:11px;font-weight:700}.book-print-table th:first-child{padding-left:12px}.book-print-table td:first-child{padding-left:14px}.book-print-table td{border-bottom:1px solid var(--vt-line-soft);height:39px;color:var(--vt-ink-3);vertical-align:middle;padding:8px 10px;font-size:12px}.book-print-table tbody tr:not(.book-print-unit-row){cursor:pointer}.book-print-folder-row{background:var(--vt-bg-muted)}.book-print-folder-row td{color:var(--vt-ink-2);font-weight:800}.book-print-folder-icon{color:var(--vt-ink-4);justify-content:center;align-items:center;display:inline-flex}.book-print-folder-empty-row td{height:36px;color:var(--vt-ink-5);padding-left:48px;font-size:12px;font-weight:600}.book-print-table tbody tr[data-nested=true] .book-print-book-name 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0;min-width:0;height:100%;position:relative}.grades-report-preview-dialog__bar-column-wrap{justify-content:center;display:flex;position:absolute;inset:0}.grades-report-preview-dialog__bar-column{flex-shrink:0;width:11px;height:100%;position:relative}.grades-report-preview-dialog__bar-track{background:#f9fafb;border-radius:999px;align-items:flex-end;display:flex;position:absolute;inset:0;overflow:hidden}.grades-report-preview-dialog__bar-fill{background:var(--grades-report-preview-bar-color,#15acc4);border-radius:999px;width:100%;min-height:3px;transition:height .4s}.grades-report-preview-dialog__bar-score{z-index:2;color:var(--grades-report-preview-bar-color,#15acc4);white-space:nowrap;font-size:15px;font-weight:800;line-height:1;position:absolute;bottom:calc(100% + .5rem);left:50%;transform:translate(-50%)}.grades-report-preview-dialog__bar-dot{z-index:2;box-sizing:border-box;background:var(--grades-report-preview-bar-color,#15acc4);border:2px solid 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var(--vt-line);background:#fff;border-radius:12px;flex-direction:column;min-width:0;height:700px;display:flex;overflow:hidden}.test-create-tree-card__search{border-bottom:1px solid var(--vt-line-soft);flex-shrink:0;padding:12px}.test-create-search,.test-create-search__input{width:100%}.test-create-tree-card__scroll{flex:1;min-height:0}.test-create-loading-state{min-height:220px;color:var(--vt-ink-4);justify-content:center;align-items:center;gap:10px;font-size:13px;font-weight:700;display:flex}.test-create-loading-state__spinner{border:2px solid #15acc42e;border-top-color:#15acc4;border-radius:999px;flex:none;width:18px;height:18px;animation:.8s linear infinite test-create-loading-spin}@keyframes test-create-loading-spin{to{transform:rotate(360deg)}}.test-create-student-group__header{border:0;border-bottom:1px solid 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label>span{min-width:70px;color:var(--vt-ink-5);letter-spacing:0;font-size:12px;font-weight:400}.test-create-reserve-panel label:has(.test-create-reserve-panel__stack){align-items:flex-start}.test-create-reserve-panel label:has(.test-create-reserve-panel__stack)>span{margin-top:10px}.test-create-reserve-panel label>.test-create-reserve-date-control,.test-create-reserve-panel label>.test-create-count-picker,.test-create-reserve-panel label>.test-create-count-picker__custom,.test-create-reserve-panel label>.test-create-interval-picker,.test-create-reserve-panel__stack{flex:1}.test-create-reserve-date-control{border:1px solid 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b{color:var(--vt-teal-deep)}.test-list-reissue-flow__footer-note[data-error=true]{color:var(--vt-neg);font-weight:700}.test-list-reissue-info-step{flex-direction:column;gap:18px;max-width:640px;margin:0 auto;padding:24px 28px;display:flex}.test-list-reissue-notice{background:var(--vt-bg-muted);color:var(--vt-ink-3);border-radius:10px;align-items:center;gap:8px;padding:12px 14px;font-size:12px;font-weight:600;display:flex}.test-list-reissue-notice svg{color:var(--vt-ink-5);flex:none}.test-list-reissue-notice span{text-overflow:ellipsis;white-space:nowrap;min-width:0;overflow:hidden}.test-list-reissue-notice b{color:var(--vt-ink);font-weight:800}.test-list-reissue-field{gap:8px;display:grid}.test-list-reissue-field>strong{color:var(--vt-ink-2);letter-spacing:-.01em;font-size:12px;font-weight:800}.test-list-reissue-input{border:1px solid var(--vt-line);width:100%;height:38px;color:var(--vt-ink);font:inherit;background:#fff;border-radius:8px;outline:0;padding:0 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var(--vt-line);background:#fff;border-radius:12px;flex-direction:column;min-width:0;display:flex;overflow:hidden}.test-list-reissue-student-tree__search{border-bottom:1px solid var(--vt-line-soft);flex-shrink:0;padding:12px}.test-list-reissue-search,.test-list-reissue-search__input{width:100%}.test-list-reissue-student-tree__scroll{flex:1;min-height:0}.test-list-reissue-student-group__header{border:0;border-bottom:1px solid var(--vt-line-soft);background:var(--vt-bg-muted);width:100%;color:var(--vt-ink-2);cursor:pointer;font:inherit;letter-spacing:-.01em;text-align:left;align-items:center;gap:8px;padding:8px 14px;font-size:13px;font-weight:800;display:flex}.test-list-reissue-student-group__chevron{flex:none;transition:transform 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em{color:var(--vt-ink-5);font-size:12px;font-style:normal;font-weight:600}.test-print-history-dialog-ghost-action,.test-print-history-dialog-ghost-action:hover{border-color:var(--vt-line);background:0 0}.test-print-history-reprint-dialog__footer{justify-content:flex-end;gap:8px;padding:12px 16px}@media (width<=1024px){.test-print-history-toolbar{flex-direction:column;align-items:flex-start}.test-print-history-toolbar__actions{justify-content:flex-end;width:100%}.test-print-history-student-view{grid-template-columns:1fr}.test-print-history-student-tree,.test-print-history-student-empty{height:520px}}@media (width<=768px){.test-print-history-toolbar__filters,.test-print-history-toolbar__actions{flex-wrap:wrap;width:100%}.test-print-history-toolbar__search{width:100%}.test-print-history-preview-dialog{flex-direction:column;min-height:0}.test-print-history-preview-dialog__meta{border-right:0;border-bottom:1px solid var(--vt-line-soft);width:auto;max-height:220px}}.test-print-history-preview-dialog__range-list{gap:4px;min-width:0;display:grid}.test-print-history-preview-dialog__range-item{min-width:0;line-height:1.5}.test-print-history-preview-dialog__range-text{overflow-wrap:anywhere;word-break:keep-all;min-width:0}.admin-error-page{justify-content:center;align-items:center;min-height:420px;display:flex}.admin-error-panel{border:1px solid var(--vt-line);border-radius:var(--vt-radius-lg);background:#fff;grid-template-columns:minmax(0,1.35fr) minmax(260px,.65fr);width:min(100%,920px);display:grid;overflow:hidden;box-shadow:0 18px 42px #0f172a14}.admin-error-panel__main{flex-direction:column;justify-content:center;gap:24px;min-width:0;padding:42px 44px;display:flex}.admin-error-status{letter-spacing:0;border-radius:999px;align-items:center;gap:10px;width:fit-content;padding:7px 12px 7px 8px;font-size:13px;font-weight:800;line-height:1;display:inline-flex}.admin-error-status[data-tone=danger]{color:var(--vt-neg);background:#f23c3b0f;border:1px solid #f23c3b2e}.admin-error-status[data-tone=info]{color:var(--vt-teal);background:#15acc414;border:1px solid #15acc433}.admin-error-status__icon{background:#fff;border-radius:999px;place-items:center;width:30px;height:30px;display:inline-grid}.admin-error-status[data-tone=danger] .admin-error-status__icon{box-shadow:inset 0 0 0 1px #f23c3b29}.admin-error-status[data-tone=info] .admin-error-status__icon{box-shadow:inset 0 0 0 1px #15acc42e}.admin-error-copy{max-width:560px}.admin-error-copy h2{color:var(--vt-ink);letter-spacing:0;word-break:keep-all;margin:0;font-size:28px;font-weight:800;line-height:1.25}.admin-error-copy p{color:var(--vt-ink-5);word-break:keep-all;margin:10px 0 0;font-size:15px;font-weight:500;line-height:1.65}.admin-error-actions{flex-wrap:wrap;gap:8px;display:flex}.admin-error-actions .btn{height:38px}.admin-error-detail{border-left:1px solid var(--vt-line-soft);background:var(--vt-bg-muted);flex-direction:column;gap:18px;min-width:0;padding:34px 28px;display:flex}.admin-error-detail__head{color:var(--vt-ink-2);align-items:center;gap:8px;display:flex}.admin-error-detail__head svg{color:var(--vt-teal)}.admin-error-detail__head strong{font-size:14px;font-weight:800}.admin-error-detail dl{flex-direction:column;gap:10px;margin:0;display:flex}.admin-error-detail dl>div{border:1px solid var(--vt-line-soft);border-radius:var(--vt-radius);background:#fff;grid-template-columns:72px minmax(0,1fr);align-items:center;gap:10px;padding:11px 12px;display:grid}.admin-error-detail dt{color:var(--vt-ink-5);font-size:12px;font-weight:700;line-height:1}.admin-error-detail dd{overflow-wrap:anywhere;min-width:0;color:var(--vt-ink-2);margin:0;font-size:13px;font-weight:800;line-height:1.35}@media (width<=900px){.admin-error-page{align-items:stretch;min-height:auto}.admin-error-panel{grid-template-columns:1fr}.admin-error-panel__main{padding:30px 24px}.admin-error-copy h2{font-size:22px}.admin-error-copy p{font-size:13px}.admin-error-detail{border-top:1px solid var(--vt-line-soft);border-left:0;padding:22px 20px}}@media (width<=520px){.admin-error-actions .btn{width:100%}.admin-error-detail dl>div{grid-template-columns:1fr;gap:6px}}.toast-viewport{z-index:200;pointer-events:none;flex-direction:column;align-items:center;gap:8px;display:flex;position:fixed;bottom:24px;left:50%;transform:translate(-50%)}.toast-item{background:var(--vt-ink);color:#fff;pointer-events:auto;border-radius:999px;align-items:center;gap:8px;padding:10px 16px;font-size:13px;font-weight:600;display:flex;box-shadow:0 8px 24px #0000002e}.toast-item[data-variant=success]{background:var(--vt-ink)}.toast-item[data-variant=error]{background:var(--vt-neg)}.toast-item[data-variant=info]{background:var(--vt-ink-2)}.toast-item__icon{flex:none;width:14px;height:14px}.toast-viewport[data-presentation=accountRecovery],.toast-viewport[data-presentation=loginSuccess]{z-index:9999;width:calc(100% - 32px);top:28px;bottom:auto}.toast-item[data-presentation=accountRecovery],.toast-item[data-presentation=loginSuccess]{letter-spacing:-.01em;background:#0f1b1e;border-radius:14px;gap:12px;width:max-content;max-width:100%;padding:15px 22px;font-size:15px;font-weight:700;animation:.28s cubic-bezier(.4,0,.2,1) both account-recovery-toast-in;box-shadow:0 12px 32px #0f1e3238}.toast-item[data-presentation=accountRecovery] .toast-item__icon,.toast-item[data-presentation=loginSuccess] .toast-item__icon{box-sizing:border-box;background:var(--vt-teal);color:#fff;stroke-width:3px;border-radius:9999px;width:24px;height:24px;padding:4.5px}.toast-item__message{display:inline}.toast-item[data-presentation=loginSuccess] .toast-item__emphasis{color:#5ce0f0;font-weight:800}@keyframes account-recovery-toast-in{0%{opacity:0;transform:translateY(-14px)}to{opacity:1;transform:translateY(0)}}@media (width<=499px){.toast-viewport[data-presentation=default]{width:70%}.toast-item[data-presentation=default]{box-sizing:border-box;width:100%;max-width:100%}.toast-item[data-presentation=default] .toast-item__message{min-width:0}}@media (width<=600px){.toast-viewport[data-presentation=accountRecovery],.toast-viewport[data-presentation=loginSuccess]{top:16px}.toast-item[data-presentation=accountRecovery],.toast-item[data-presentation=loginSuccess]{padding:13px 18px;font-size:14px}}.app-error-boundary{background:var(--vt-bg-soft);min-height:100vh;color:var(--vt-ink);justify-content:center;align-items:center;padding:24px;display:flex}.app-error-boundary__card{border:1px solid var(--vt-line);border-radius:var(--vt-radius-lg);background:var(--vt-bg);text-align:center;flex-direction:column;align-items:center;width:min(100%,480px);padding:40px 32px;display:flex;box-shadow:0 18px 50px #09090b14}.app-error-boundary__icon{width:44px;height:44px;color:var(--vt-neg);background:#f23c3b1a;border-radius:999px;justify-content:center;align-items:center;font-size:24px;font-weight:800;display:inline-flex}.app-error-boundary h1{margin:20px 0 0;font-size:22px;font-weight:800}.app-error-boundary p{color:var(--vt-ink-5);margin:10px 0 0;font-size:14px;line-height:1.6}.app-error-boundary__event-id{border-radius:var(--vt-radius);background:var(--vt-bg-muted);width:100%;min-width:0;color:var(--vt-ink-5);justify-content:space-between;align-items:center;gap:8px;margin-top:20px;padding:10px 12px;font-size:12px;display:flex}.app-error-boundary__event-id>span{text-align:left;min-width:0}.app-error-boundary__event-id code{color:var(--vt-ink-3);overflow-wrap:anywhere;margin-left:6px;font-family:monospace}.app-error-boundary__event-id button{border:1px solid var(--vt-line);border-radius:var(--vt-radius-sm);background:var(--vt-bg);width:28px;height:28px;color:var(--vt-ink-5);cursor:pointer;flex:0 0 28px;justify-content:center;align-items:center;display:inline-flex}.app-error-boundary__event-id button:hover{border-color:var(--vt-teal);color:var(--vt-teal)}.app-error-boundary__actions{justify-content:center;gap:8px;width:100%;margin-top:24px;display:flex}.app-error-boundary__actions button{border:1px solid var(--vt-teal);border-radius:var(--vt-radius);background:var(--vt-teal);color:#fff;cursor:pointer;min-width:112px;height:40px;font:inherit;justify-content:center;align-items:center;padding:0 18px;font-size:13px;font-weight:700;line-height:1;display:inline-flex}.app-error-boundary__actions .app-error-boundary__secondary{border-color:var(--vt-line);background:var(--vt-bg);color:var(--vt-ink-3)}@media (width<=480px){.app-error-boundary__card{padding:32px 20px}.app-error-boundary__actions{flex-direction:column}.app-error-boundary__actions button{width:100%}}