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var(--transition-fast);display:block}.field__input::placeholder{color:var(--clr-text-tertiary)}.field__input:hover{border-color:var(--clr-border-strong)}.field__input:focus{border-color:var(--clr-border-focus);box-shadow:0 0 0 3px var(--clr-accent-ring);outline:none}.field__input.is-error{border-color:var(--clr-error);background-color:var(--clr-error-bg)}.field__input.is-error:focus{box-shadow:0 0 0 3px #dc262629}select.field__input{background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='none' stroke='%236B6762' stroke-width='1.25' stroke-linecap='butt' stroke-linejoin='miter'%3E%3Cpolyline points='4 6.5 8 10.5 12 6.5'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right var(--sp-3) center;padding-right:var(--sp-8);cursor:pointer;background-size:14px 14px}.field-pw{position:relative}.field-pw .field__input{padding-right:var(--sp-10)}.field-pw__toggle{top:50%;right:var(--sp-2);width:24px;height:24px;color:var(--clr-text-tertiary);border-radius:var(--radius);cursor:pointer;transition:color var(--transition-fast);background:0 0;border:none;justify-content:center;align-items:center;padding:0;display:flex;position:absolute;transform:translateY(-50%)}.field-pw__toggle:hover{color:var(--clr-text-secondary)}.prompt-box{position:relative}.prompt-box__input{width:100%;padding:var(--sp-3) var(--sp-10) var(--sp-3) var(--sp-3);font-family:var(--font);font-size:var(--fs-sm);font-weight:var(--fw-regular);line-height:var(--lh-normal);color:var(--clr-text-primary);background-color:var(--clr-surface-2);border:var(--bw) solid var(--clr-border);border-radius:var(--radius);resize:none;appearance:none;transition:border-color var(--transition-fast), box-shadow var(--transition-fast);display:block}.prompt-box__input::placeholder{color:var(--clr-text-tertiary)}.prompt-box__input:focus{border-color:var(--clr-border-focus);box-shadow:0 0 0 3px var(--clr-accent-ring);outline:none}.prompt-box__submit{bottom:var(--sp-2);right:var(--sp-2);width:28px;height:28px;color:var(--clr-text-inverse);background-color:var(--clr-text-primary);border-radius:var(--radius);cursor:pointer;transition:background-color var(--transition-fast);border:none;justify-content:center;align-items:center;padding:0;display:flex;position:absolute}.prompt-box__submit:hover{background-color:var(--clr-text-primary-hover)}.prompt-box--hero .prompt-box__input{min-height:120px;padding-bottom:var(--sp-10)}.input-inline-edit{min-width:0;padding:var(--sp-px) var(--sp-2);font-family:var(--font);font-size:inherit;font-weight:inherit;line-height:inherit;color:var(--clr-text-primary);background-color:var(--clr-surface-2);border:var(--bw) solid var(--clr-border-focus);border-radius:var(--radius);box-shadow:0 0 0 3px var(--clr-accent-ring);outline:none;flex:1}.cell-input{width:56px;padding:2px var(--sp-2);font-family:var(--font);font-size:var(--fs-sm);font-weight:var(--fw-medium);font-variant-numeric:tabular-nums;text-align:center;color:var(--clr-text-primary);border:var(--bw) solid transparent;border-radius:var(--radius);transition:border-color var(--transition-fast), background-color var(--transition-fast);background-color:#0000;display:inline-block}.cell-input:hover{border-color:var(--clr-border);background-color:var(--clr-surface-2)}.cell-input:focus{border-color:var(--clr-border-focus);background-color:var(--clr-surface-2);box-shadow:0 0 0 2px var(--clr-accent-ring);outline:none}.cell-input:disabled{color:var(--clr-text-tertiary);cursor:not-allowed}.cell-input:disabled:hover{background-color:#0000;border-color:#0000}.cell-input::-webkit-outer-spin-button{-webkit-appearance:none;margin:0}.cell-input::-webkit-inner-spin-button{-webkit-appearance:none;margin:0}.cell-input[type=number]{appearance:textfield}.field__input--inline{width:100%;padding:var(--sp-1) var(--sp-2);font-family:var(--font);font-size:inherit;font-weight:inherit;line-height:inherit;color:inherit;border:var(--bw) solid transparent;border-radius:var(--radius);appearance:none;transition:border-color var(--transition-fast), box-shadow var(--transition-fast);background-color:#0000;display:block}.field__input--inline:focus{border-color:var(--clr-border-focus);box-shadow:0 0 0 2px var(--clr-accent-ring);outline:none}.chip{align-items:center;gap:var(--sp-1);padding:var(--sp-1) var(--sp-3);font-family:var(--font);font-size:var(--fs-xs);font-weight:var(--fw-bold);line-height:var(--lh-dense);letter-spacing:var(--ls-wide);text-transform:uppercase;white-space:nowrap;border:var(--bw) solid var(--clr-border);border-radius:var(--radius-pill);color:var(--clr-text-secondary);background-color:var(--clr-surface-1);display:inline-flex}.chip--danger{color:var(--clr-error-text);background-color:var(--clr-error-bg);border-color:var(--clr-error-border)}.chip--success{color:var(--clr-complete-text);background-color:var(--clr-complete-bg);border-color:var(--clr-complete-border)}.chip--kiosk{color:var(--clr-info-text);background-color:var(--clr-info-bg);border-color:var(--clr-info-border)}.badge{align-items:center;gap:var(--sp-1);padding:var(--sp-1) var(--sp-2);font-family:var(--font);font-size:var(--fs-xs);font-weight:var(--fw-medium);line-height:var(--lh-dense);letter-spacing:var(--ls-normal);white-space:nowrap;border-radius:var(--radius-pill);color:var(--clr-text-secondary);background-color:var(--clr-surface-1);pointer-events:none;-webkit-user-select:none;user-select:none;display:inline-flex}.badge--danger{color:var(--clr-error-text);background-color:var(--clr-error-bg)}.badge--success{color:var(--clr-complete-text);background-color:var(--clr-complete-bg)}.badge--active{color:var(--clr-active-text);background-color:var(--clr-active-bg)}.badge--complete{color:var(--clr-complete-text);background-color:var(--clr-complete-bg)}.banner{padding:var(--sp-4);border:var(--bw) solid var(--clr-border);border-radius:var(--radius);background-color:var(--clr-surface-1);font-size:var(--fs-sm);line-height:var(--lh-normal);color:var(--clr-text-primary)}.banner--success{color:var(--clr-complete-text);background-color:var(--clr-complete-bg);border-color:var(--clr-complete-border)}.banner--error{color:var(--clr-error-text);background-color:var(--clr-error-bg);border-color:var(--clr-error-border)}.banner--active{color:var(--clr-active-text);background-color:var(--clr-active-bg);border-color:var(--clr-active-border)}.banner--info{color:var(--clr-info-text);background-color:var(--clr-info-bg);border-color:var(--clr-info-border)}.banner--submission{text-align:center;padding-block:var(--sp-8);gap:var(--sp-2);flex-direction:column;display:flex}.banner--submission .banner__headline{font-size:var(--fs-xl);font-weight:var(--fw-bold);line-height:var(--lh-dense);letter-spacing:var(--ls-tight);color:var(--clr-text-primary)}.banner--submission .banner__score{font-size:var(--fs-2xl);font-weight:var(--fw-bold);line-height:var(--lh-dense);letter-spacing:var(--ls-tight);font-variant-numeric:tabular-nums;color:var(--clr-accent)}.banner--submission .banner__redirect{font-size:var(--fs-base);font-weight:var(--fw-regular);color:var(--clr-text-secondary)}.data-table{border-collapse:collapse;width:100%;font-size:var(--fs-sm);font-variant-numeric:tabular-nums}.data-table thead{background-color:var(--clr-surface-1);border-bottom:var(--bw) solid var(--clr-border);z-index:2;position:sticky;top:0}.data-table th{padding:var(--sp-3) var(--sp-4);font-size:var(--fs-xs);font-weight:var(--fw-medium);letter-spacing:var(--ls-wide);text-transform:uppercase;color:var(--clr-text-secondary);text-align:left;white-space:nowrap;border-right:var(--bw) solid var(--clr-border)}.data-table th:last-child{border-right:none}.data-table td{padding:var(--sp-3) var(--sp-4);color:var(--clr-text-primary);border-right:var(--bw) solid var(--clr-border);border-bottom:var(--bw) solid var(--clr-surface-1);vertical-align:middle}.data-table td:last-child{border-right:none}.data-table tbody tr:hover{background-color:var(--clr-surface-1)}.data-table__cell--muted{color:var(--clr-text-tertiary);font-style:italic}.data-table__cell--strong{font-weight:var(--fw-bold)}.data-table__cell--pending{color:var(--clr-text-tertiary)}.data-table tbody tr:nth-child(2n){background-color:var(--clr-surface-1)}.data-table tbody tr:nth-child(2n):hover{background-color:var(--clr-surface-2)}.table-link{font-family:var(--font);font-size:var(--fs-sm);font-variant-numeric:tabular-nums;line-height:inherit;color:var(--clr-accent);cursor:pointer;text-underline-offset:2px;background:0 0;border:none;padding:0;text-decoration:underline;text-decoration-thickness:1px}.table-link:hover{color:var(--clr-accent-hover)}.table-link:focus-visible{outline:2px solid var(--clr-border-focus);outline-offset:2px;border-radius:var(--radius)}.accordion{border:var(--bw) solid var(--clr-border);border-radius:var(--radius);background-color:var(--clr-surface-2);overflow:hidden}.accordion+.accordion{margin-top:var(--sp-3)}.accordion__header{align-items:center;gap:var(--sp-2);padding:var(--sp-4) var(--sp-5);background-color:var(--clr-surface-2);cursor:pointer;transition:background-color var(--transition-fast);min-height:var(--size-row-h);flex-wrap:wrap;display:flex}.accordion__header:hover{background-color:var(--clr-surface-1)}.accordion.is-live>.accordion__header{border-left:var(--bw-lg) solid var(--clr-active);padding-left:calc(var(--sp-5) - var(--bw-lg));background-color:var(--clr-active-bg)}.accordion.is-live>.accordion__header:hover{background-color:var(--clr-active-bg-hover)}.accordion__date{font-size:var(--fs-xs);font-weight:var(--fw-regular);color:var(--clr-text-secondary);font-variant-numeric:tabular-nums;white-space:nowrap;flex-shrink:0}.accordion__title{min-width:0;font-size:var(--fs-sm);font-weight:var(--fw-bold);color:var(--clr-text-primary);text-overflow:ellipsis;white-space:nowrap;flex:1;overflow:hidden}.accordion__actions{align-items:center;gap:var(--sp-2);flex-wrap:wrap;flex-shrink:0;display:flex}.accordion__body{padding:var(--sp-5);background-color:var(--clr-surface-2);border-top:var(--bw) solid var(--clr-border)}.accordion__toggle{cursor:pointer;color:var(--clr-text-tertiary);transition:transform var(--transition-fast), color var(--transition-fast);background:0 0;border:none;justify-content:center;align-items:center;padding:0;display:inline-flex}.accordion__toggle:hover{color:var(--clr-text-secondary)}.accordion__toggle[aria-expanded=true]{transform:rotate(180deg)}.modal-backdrop{background-color:var(--clr-overlay);z-index:40;position:fixed;inset:0}.modal-wrap{z-index:50;padding:var(--sp-4);justify-content:center;align-items:center;display:flex;position:fixed;inset:0}.modal{width:100%;max-width:var(--layout-panel-width);background-color:var(--clr-surface-2);border:var(--bw) solid var(--clr-border);border-radius:var(--radius-modal);box-shadow:var(--shadow-lg);padding:var(--sp-6);gap:var(--sp-4);flex-direction:column;display:flex}.modal__title{margin-bottom:var(--sp-2);font-size:var(--fs-base);font-weight:var(--fw-bold);line-height:var(--lh-dense);color:var(--clr-text-primary)}.modal__description{margin-bottom:var(--sp-6);font-size:var(--fs-sm);line-height:var(--lh-normal);color:var(--clr-text-secondary)}.modal__options{gap:var(--sp-2);flex-direction:column;display:flex}.modal-option{align-items:flex-start;gap:var(--sp-3);width:100%;padding:var(--sp-3) var(--sp-4);text-align:left;color:inherit;font-family:var(--font);background-color:var(--clr-surface-2);border:var(--bw) solid var(--clr-border);border-radius:var(--radius);cursor:pointer;transition:background-color var(--transition-fast), border-color var(--transition-fast);display:flex}.modal-option:hover{background-color:var(--clr-surface-1);border-color:var(--clr-border-strong)}.modal-option__icon{width:32px;height:32px;margin-top:var(--sp-half);color:var(--clr-text-secondary);background-color:var(--clr-surface-1);border-radius:var(--radius);flex-shrink:0;justify-content:center;align-items:center;display:inline-flex}.modal-option__body{gap:var(--sp-half);flex-direction:column;min-width:0;display:flex}.modal-option__title{font-size:var(--fs-sm);font-weight:var(--fw-bold);line-height:var(--lh-dense);color:var(--clr-text-primary)}.modal-option__desc{font-size:var(--fs-xs);line-height:var(--lh-normal);color:var(--clr-text-secondary)}.modal-option--destructive .modal-option__icon{color:var(--clr-error-text);background-color:var(--clr-error-bg)}.modal-option--destructive:hover{background-color:var(--clr-error-bg-hover);border-color:var(--clr-error-border)}.modal-option--destructive .modal-option__title{color:var(--clr-error-text)}.modal__footer{padding-top:var(--sp-2);border-top:var(--bw) solid var(--clr-border);justify-content:flex-end;display:flex}.ws-indicator{align-items:center;gap:var(--sp-1);padding:4px var(--sp-3);font-size:var(--fs-xs);font-weight:var(--fw-medium);line-height:var(--lh-dense);color:var(--clr-text-secondary);background-color:var(--clr-surface-2);border:var(--bw) solid var(--clr-border);border-radius:var(--radius);display:inline-flex}.ws-indicator:before{content:"";background-color:var(--clr-text-tertiary);border-radius:50%;flex-shrink:0;width:6px;height:6px;display:block}.ws-indicator.is-connected{color:var(--clr-complete-text);border-color:var(--clr-complete-border);background-color:var(--clr-complete-bg)}.ws-indicator.is-connected:before{background-color:var(--clr-complete)}.ws-indicator.is-reconnecting:before{background-color:var(--clr-active);animation:ws-pulse 1.4s var(--ease-base) infinite}@keyframes ws-pulse{0%,to{opacity:1}50%{opacity:.25}}.ai-state-indicator{align-items:center;gap:var(--sp-2);padding:var(--sp-2) var(--sp-3);font-size:var(--fs-xs);font-weight:var(--fw-medium);letter-spacing:var(--ls-wide);text-transform:uppercase;line-height:var(--lh-dense);color:var(--clr-text-secondary);background-color:var(--clr-surface-1);border:var(--bw) solid var(--clr-border);border-radius:var(--radius);display:inline-flex}.progress-bar{z-index:10;background-color:var(--clr-surface-1);width:100%;height:4px;position:sticky;top:0;overflow:hidden}.progress-bar__fill{background-color:var(--clr-accent);height:100%;transition:width var(--transition-slow)}.answer-option{align-items:center;gap:var(--sp-3);width:100%;padding:var(--sp-3) var(--sp-4);font-family:var(--font);font-size:var(--fs-base);font-weight:var(--fw-regular);line-height:var(--lh-normal);color:var(--clr-text-primary);background-color:var(--clr-surface-2);border:var(--bw) solid var(--clr-border);border-radius:var(--radius);cursor:pointer;text-align:left;-webkit-user-select:none;user-select:none;transition:border-color var(--transition-fast), background-color var(--transition-fast);min-height:52px;display:flex}.answer-option:hover:not(:disabled):not(.is-frozen){border-color:var(--clr-accent);background-color:var(--clr-accent-subtle)}.answer-option.is-selected{border-color:var(--clr-accent);background-color:var(--clr-accent-subtle);font-weight:var(--fw-medium)}.answer-option.is-frozen,.answer-option:disabled{opacity:.58;cursor:not-allowed;pointer-events:none}.answer-option--correct{border-color:var(--clr-complete-border);background-color:var(--clr-complete-bg);color:var(--clr-complete-text);font-weight:var(--fw-medium)}.answer-option--incorrect{border-color:var(--clr-error-border);background-color:var(--clr-error-bg);color:var(--clr-error-text)}.answer-option__radio{width:16px;height:16px;accent-color:var(--clr-accent);cursor:pointer;flex-shrink:0}.formula{font-variant-numeric:tabular-nums;font-weight:var(--fw-medium)}.formula--display{text-align:center;margin-block:var(--sp-6);font-size:var(--fs-md);font-weight:var(--fw-medium);font-variant-numeric:tabular-nums;color:inherit;display:block}.formula-block--inline{padding:var(--sp-1) var(--sp-3);font-size:var(--fs-sm);font-weight:var(--fw-medium);font-variant-numeric:tabular-nums;letter-spacing:var(--ls-formula);background-color:var(--clr-surface-1);border:var(--bw) solid var(--clr-border);border-radius:var(--radius);align-items:center;display:inline-flex}.section-divider{border:none;border-top:var(--bw) solid var(--clr-border);margin-block:var(--sp-8)}.section-divider--dense{margin-block:var(--sp-4)}[data-surface=teacher]{font-size:var(--fs-sm);line-height:var(--lh-normal)}[data-surface=teacher] h1{font-size:var(--fs-base);font-weight:var(--fw-bold);line-height:var(--lh-normal);letter-spacing:var(--ls-normal);color:var(--clr-text-primary)}[data-surface=teacher] h2{font-size:var(--fs-sm);font-weight:var(--fw-bold);line-height:var(--lh-dense);letter-spacing:var(--ls-normal);color:var(--clr-text-primary)}[data-surface=teacher] h3{font-size:var(--fs-xs);font-weight:var(--fw-medium);line-height:var(--lh-dense);letter-spacing:var(--ls-wide);text-transform:uppercase;color:var(--clr-text-secondary)}[data-surface=teacher] p{font-size:var(--fs-sm);line-height:var(--lh-normal);color:var(--clr-text-primary);margin-bottom:var(--sp-3)}[data-surface=teacher] p:last-child{margin-bottom:0}[data-surface=student]{font-size:var(--fs-md);line-height:var(--lh-relaxed)}[data-surface=student] h1{font-size:var(--fs-2xl);font-weight:var(--fw-bold);line-height:var(--lh-dense);letter-spacing:var(--ls-tight);color:var(--clr-text-primary);margin-bottom:var(--sp-6)}[data-surface=student] h2{font-size:var(--fs-xl);font-weight:var(--fw-bold);line-height:var(--lh-dense);letter-spacing:var(--ls-tight);color:var(--clr-text-primary);margin-top:var(--sp-10);margin-bottom:var(--sp-4)}[data-surface=student] h3{font-size:var(--fs-base);font-weight:var(--fw-bold);line-height:var(--lh-normal);letter-spacing:var(--ls-normal);color:var(--clr-text-primary);margin-top:var(--sp-6);margin-bottom:var(--sp-3)}[data-surface=student] p{font-size:var(--fs-md);line-height:var(--lh-relaxed);color:var(--clr-text-primary);margin-bottom:var(--sp-4)}[data-surface=student] p:last-child{margin-bottom:0}[data-surface=student] ul,[data-surface=student] ol{padding-left:var(--sp-5);margin-bottom:var(--sp-4)}[data-surface=student] li{font-size:var(--fs-md);line-height:var(--lh-relaxed);margin-bottom:var(--sp-2);color:var(--clr-text-primary)}[data-surface=student] ol.steps{counter-reset:step-counter;padding-left:0;list-style:none}[data-surface=student] ol.steps>li{counter-increment:step-counter;grid-template-columns:var(--sp-5) 1fr;gap:var(--sp-3);margin-bottom:var(--sp-4);align-items:baseline;display:grid}[data-surface=student] ol.steps>li:before{content:counter(step-counter) 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(max-width:599px){.app-header{padding-inline:var(--sp-4);gap:var(--sp-2)}.workspace-center__body{padding:var(--sp-4)}.workspace-center__input-bar{padding:var(--sp-3) var(--sp-4)}.page-container{padding-inline:var(--sp-4);padding-block:var(--sp-4)}.modal-wrap{padding:var(--sp-3)}.modal{padding:var(--sp-5);gap:var(--sp-3)}.history-table-wrap{border:none!important;border-radius:0!important;overflow-x:visible!important}.history-table-wrap .data-table{display:block}.history-table-wrap .data-table thead{display:none}.history-table-wrap .data-table tbody{gap:var(--sp-3);flex-direction:column;display:flex}.history-table-wrap #history-tbody tr{align-items:center;row-gap:var(--sp-1);padding:var(--sp-4);border:var(--bw) solid var(--clr-border);border-radius:var(--radius);background-color:var(--clr-surface-2);cursor:pointer;transition:background-color var(--transition-fast);flex-wrap:wrap;column-gap:0;display:flex}.history-table-wrap #history-tbody tr:hover{background-color:var(--clr-surface-1)}.history-table-wrap #history-tbody td{font-size:var(--fs-xs);color:var(--clr-text-tertiary);background:0 0;border:none;align-items:center;padding:0;display:inline-flex}.history-table-wrap #history-tbody td:nth-child(3){font-size:var(--fs-sm);font-weight:var(--fw-bold);color:var(--clr-text-primary);text-overflow:ellipsis;white-space:nowrap;flex:0 0 100%;order:1;display:block;overflow:hidden}.history-table-wrap #history-tbody td:nth-child(3) .table-link{width:100%;color:inherit;font-size:inherit;font-weight:inherit;pointer-events:none;text-overflow:ellipsis;white-space:nowrap;text-decoration:none;display:block;overflow:hidden}.history-table-wrap #history-tbody td:nth-child(4){flex:none;order:2}.history-table-wrap #history-tbody td:nth-child(4):after{content:" • ";font-size:var(--fs-xs);font-weight:var(--fw-regular);color:var(--clr-text-tertiary)}.history-table-wrap #history-tbody td:first-child{font-variant-numeric:tabular-nums;flex:none;order:3}.history-table-wrap #history-tbody td:first-child:after{content:" • ";font-size:var(--fs-xs);color:var(--clr-text-tertiary)}.history-table-wrap #history-tbody td:nth-child(2){white-space:nowrap;flex:1;order:4;min-width:0;overflow:hidden}.history-table-wrap #history-tbody td:nth-child(2) .table-link{width:100%;color:inherit;font-size:inherit;pointer-events:none;text-overflow:ellipsis;white-space:nowrap;text-decoration:none;display:block;overflow:hidden}.history-table-wrap #history-tbody td:nth-child(5){display:none}.accordion__header{padding:var(--sp-3) var(--sp-4);row-gap:var(--sp-1);column-gap:var(--sp-2)}.accordion__title{flex:0 0 100%;order:-1}.accordion__date{flex:none}.accordion__actions{flex:1;justify-content:flex-end}.accordion.is-live>.accordion__header{padding-left:calc(var(--sp-4) - var(--bw-lg))}}@media (min-width:600px) and (max-width:959px){.app-header{padding-inline:var(--sp-5)}.workspace-center__body{padding:var(--sp-5)}.page-container,.sidebar__header,.sidebar__body,.sidebar__footer{padding-inline:var(--sp-5)}}@media (min-width:960px){.app-header,.sidebar__header,.sidebar__body,.sidebar__footer{padding-inline:var(--sp-6)}}.ctx-menu-wrap{flex-shrink:0;align-items:center;display:inline-flex;position:relative}.ctx-menu-trigger{padding:var(--sp-half);border-radius:var(--radius);color:var(--clr-text-tertiary);cursor:pointer;opacity:0;pointer-events:none;transition:opacity var(--transition-fast), color var(--transition-fast);background:0 0;border:none;justify-content:center;align-items:center;display:inline-flex}.ctx-menu-trigger:hover{color:var(--clr-text-secondary);background:#1a19180f}.sidebar-folder>summary:hover .ctx-menu-trigger,.sidebar-folder-item:hover .ctx-menu-trigger,.ctx-menu-trigger:focus-visible,.ctx-menu-wrap.is-open .ctx-menu-trigger{opacity:1;pointer-events:auto}.ctx-menu{right:0;top:calc(100% + var(--sp-1));z-index:200;background-color:var(--clr-surface-2);border:var(--bw) solid var(--clr-border);border-radius:var(--radius);min-width:172px;box-shadow:var(--shadow-md);padding:var(--sp-1) 0;position:absolute}.ctx-menu__item{width:100%;padding:var(--sp-2) var(--sp-3);font-family:var(--font);font-size:var(--fs-xs);font-weight:var(--fw-regular);line-height:var(--lh-normal);color:var(--clr-text-primary);text-align:left;cursor:pointer;white-space:nowrap;transition:background-color var(--transition-fast);background:0 0;border:none;display:block}.ctx-menu__item:hover{background-color:var(--clr-surface-1)}.ctx-menu__item--destructive{color:var(--clr-error-text)}.ctx-menu__item--destructive:hover{background-color:var(--clr-error-bg)}.meta-bar{align-items:flex-start;gap:var(--sp-4);padding:var(--sp-3) var(--sp-4);background-color:var(--clr-surface-1);border:var(--bw) solid var(--clr-border);border-radius:var(--radius);flex-wrap:wrap;display:flex}.meta-bar__item{gap:var(--sp-half);flex-direction:column;display:flex}.meta-bar__label{font-size:var(--fs-xs);font-weight:var(--fw-medium);letter-spacing:var(--ls-wide);text-transform:uppercase;color:var(--clr-text-secondary)}.meta-bar__value{font-size:var(--fs-xs);color:var(--clr-text-tertiary)}.meta-bar--toolbar{justify-content:space-between;align-items:center;gap:var(--sp-3);background-color:#0000;border:none;padding:0}.meta-bar__title{font-size:var(--fs-sm);font-weight:var(--fw-bold);line-height:var(--lh-normal);color:var(--clr-text-primary)}.meta-bar__controls{align-items:center;gap:var(--sp-2);flex-wrap:wrap;display:flex}.select-filter{padding:var(--sp-2) var(--sp-8) var(--sp-2) var(--sp-3);font-family:var(--font);font-size:var(--fs-xs);font-weight:var(--fw-medium);line-height:var(--lh-normal);color:var(--clr-text-primary);background-color:var(--clr-surface-2);background-image:url("data:image/svg+xml,%3Csvg 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var(--clr-border);border-radius:var(--radius);padding:var(--sp-6);gap:var(--sp-4);flex-direction:column;display:flex}.content-block+.content-block{margin-top:var(--sp-4)}.sidebar-folder-item__grip{color:var(--clr-text-tertiary);opacity:0;transition:opacity var(--transition-fast);flex-shrink:0;align-items:center;display:inline-flex}.sidebar-folder-item:hover .sidebar-folder-item__grip{opacity:1}.sidebar-add-class-form{padding:var(--sp-2) var(--sp-3);margin-top:var(--sp-1);gap:var(--sp-2);flex-direction:column;display:flex}.sidebar-input{width:100%;padding:var(--sp-2) var(--sp-3);font-family:var(--font);font-size:var(--fs-xs);font-weight:var(--fw-regular);line-height:var(--lh-normal);color:var(--clr-text-primary);background-color:var(--clr-surface-2);border:var(--bw) solid var(--clr-border);border-radius:var(--radius);transition:border-color var(--transition-fast), box-shadow var(--transition-fast);outline:none;display:block}.sidebar-input:focus{border-color:var(--clr-border-focus);box-shadow:0 0 0 3px var(--clr-accent-ring)}.sidebar-input::placeholder{color:var(--clr-text-tertiary)}.toast{right:var(--sp-6);bottom:var(--sp-6);z-index:300;align-items:center;gap:var(--sp-2);padding:var(--sp-3) var(--sp-4);font-size:var(--fs-sm);font-weight:var(--fw-medium);line-height:var(--lh-dense);color:var(--clr-text-inverse);background-color:var(--clr-text-primary);border-radius:var(--radius-modal);box-shadow:var(--shadow-lg);animation:toast-in var(--dur-slow) var(--ease-out);display:flex;position:fixed}.toast__icon{color:var(--clr-complete);flex-shrink:0;display:inline-flex}.toast--success{border-left:var(--bw-lg) solid var(--clr-complete);padding-left:calc(var(--sp-4) - var(--bw-lg))}.toast--danger{border-left:var(--bw-lg) solid var(--clr-error);padding-left:calc(var(--sp-4) - var(--bw-lg))}.toast--danger .toast__icon{color:var(--clr-error)}.toast--info{border-left:var(--bw-lg) solid var(--clr-border-strong);padding-left:calc(var(--sp-4) - var(--bw-lg))}@keyframes toast-in{0%{opacity:0;transform:translateY(var(--sp-3))}to{opacity:1;transform:translateY(0)}}