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24px;font-size:13px}.footer-main{grid-template-columns:1.25fr 1fr 1fr 1.2fr;gap:32px;display:grid}.footer-brand .wordmark{color:var(--ink)}.footer-brand p{max-width:240px;margin-top:16px;line-height:1.8}.footer-brand p:first-of-type{color:var(--ink);font-weight:550}.footer-column{flex-direction:column;align-items:flex-start;min-width:0;display:flex}.footer-column h2{color:var(--ink);margin-bottom:12px;font-size:14px;font-weight:650}.footer-column>a{align-items:center;min-height:44px;display:inline-flex}.footer-column a:hover{color:var(--brand);text-underline-offset:4px;text-decoration:underline}.footer-contact p{max-width:240px;line-height:1.8}.workspace-footer .contact-address{gap:4px 8px;margin-top:12px;font-size:13px}.footer-contact .contact-address a{flex-basis:100%}.footer-bottom{border-top:1px solid var(--line);flex-wrap:wrap;justify-content:space-between;gap:12px 24px;margin-top:32px;padding-top:20px;display:flex}.icon-button{border:1px solid var(--line);border-radius:var(--radius-control);background:var(--surface);justify-content:center;align-items:center;min-width:44px;min-height:44px;padding:10px;display:inline-flex}.drawer-backdrop{z-index:20;touch-action:none;background:#172b254d;border:0;position:fixed;inset:0}body.classroom-open,body:has(.app-sidebar.is-open){overflow:hidden}.page-heading{justify-content:space-between;align-items:flex-start;gap:24px;margin-bottom:32px;display:flex}.page-heading h1{letter-spacing:-.04em;font-size:32px;font-weight:650;line-height:1.35}.page-heading p{color:var(--muted);max-width:720px;margin-top:12px;font-size:16px;line-height:1.8}.page-heading-actions{flex-shrink:0}.section-heading{justify-content:space-between;align-items:center;gap:16px;margin-bottom:16px;display:flex}.section-heading h2{letter-spacing:-.02em;font-size:21px;font-weight:600;line-height:1.5}.section-description{color:var(--muted);margin:-4px 0 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.15s;display:inline-flex}.button-primary{background:var(--brand);color:#fff;border-color:var(--brand)}.button-primary:hover:not(:disabled){background:var(--brand-hover);border-color:var(--brand-hover)}.button-secondary{background:var(--surface);color:var(--ink);border-color:var(--input-border)}.button-secondary:hover:not(:disabled){background:var(--surface-alt);border-color:var(--brand)}.button-danger{color:var(--error);background:var(--error-soft);border-color:var(--error)}.button-icon{background:var(--surface);min-width:44px;color:var(--muted);border-color:var(--line);padding:10px}.button-icon:hover{color:var(--brand);background:var(--brand-soft)}.full-width,.input{width:100%}.input{background:var(--surface);border:1px solid var(--input-border);border-radius:var(--radius-control);min-height:44px;color:var(--ink);font-variant-numeric:tabular-nums;margin-top:8px;padding:8px 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.select-chevron{color:var(--brand);transform:rotate(180deg)}.select-menu{z-index:100;box-sizing:border-box;overscroll-behavior:contain;touch-action:pan-y;border:1px solid var(--line);background:var(--surface);color:var(--ink);font-family:var(--font-sans);text-align:left;box-shadow:0 12px 32px var(--ink),0 2px 6px var(--ink);border-radius:14px;margin:0;padding:6px;font-size:14px;font-weight:500;line-height:1.5;position:fixed;inset:auto;overflow:hidden auto}@supports (color:color-mix(in lab,red,red)){.select-menu{box-shadow:0 12px 32px color-mix(in srgb,var(--ink) 14%,transparent),0 2px 6px color-mix(in srgb,var(--ink) 5%,transparent)}}.select-menu{scrollbar-width:thin;scrollbar-color:var(--input-border) transparent}.select-option{justify-content:space-between;align-items:center;gap:var(--space-3);cursor:pointer;overflow-wrap:anywhere;border-radius:8px;min-height:44px;padding:10px 12px;display:flex}.select-option>span{min-width:0}.select-option.is-active{background:var(--surface-alt)}.select-option[aria-selected=true]{color:var(--brand);font-weight:600}.select-option.is-active[aria-selected=true]{background:var(--brand-soft)}.select-option[aria-disabled=true]{color:var(--subtle);opacity:.55;cursor:not-allowed;background:0 0}@media (prefers-reduced-motion:reduce){.select-chevron,.select-trigger{transition:none}}@media print{.select-menu{display:none!important}}.input:disabled,fieldset:disabled .input{background:var(--surface-alt);color:var(--muted)}.error-message{color:var(--error);background:var(--error-soft);padding:12px 14px;font-size:15px;line-height:1.7}.error-message,.inline-notice{border-radius:10px;margin-top:16px}.inline-notice{color:var(--warning);background:var(--warning-soft);padding:12px 16px;font-size:14px}.field-hint{color:var(--subtle);margin-top:var(--space-2);font-size:13px;line-height:1.6}.panel{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);padding:var(--space-4);min-width:0}.panel h2{letter-spacing:-.025em;font-size:20px;font-weight:600}.panel-description{color:var(--muted);margin-top:8px;font-size:14px;line-height:1.8}.empty-state{max-width:680px;padding-block:32px}.empty-state h2{font-size:21px;font-weight:600}.empty-state p{color:var(--muted);font-size:16px}.empty-state .text-link,.empty-state p{margin-top:12px}.storage-description{color:var(--subtle);margin-top:32px;font-size:14px}.search-area{margin-bottom:24px}.search-field{background:var(--surface);border:1px solid var(--input-border);border-radius:var(--radius-control);align-items:center;gap:12px;min-height:56px;padding:6px 12px 6px 16px;display:flex}.search-field>svg{color:var(--muted)}.search-field input{width:100%;min-width:0;min-height:42px;color:var(--ink);background:0 0;border:0;outline:none;font-size:16px}.search-field input::placeholder{color:var(--subtle)}.search-field:focus-within{outline:3px solid var(--brand);outline-offset:3px}.search-field .button-icon{border:0}input[type=search]::-webkit-search-cancel-button{display:none}.category-filters{flex-wrap:wrap;gap:8px;margin-top:16px;display:flex}.category-filters button{min-height:44px;color:var(--muted);background:0 0;border:1px solid #0000;border-radius:9px;padding:9px 16px;font-size:14px;transition:background-color .15s}.category-filters button:hover{background:var(--surface-alt)}.category-filters button[aria-pressed=true]{color:var(--brand);background:var(--brand-soft);border-color:var(--brand);font-weight:650}.search-summary{color:var(--subtle);margin-bottom:24px;font-size:14px}.favorites-hint{border-block:1px solid var(--line);align-items:center;gap:16px;margin-top:24px;margin-bottom:24px;padding-block:8px;display:flex}.hint-label{white-space:nowrap;font-size:14px;font-weight:600}.favorites-hint p{color:var(--muted);font-size:14px}.favorites-hint 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0;justify-content:center;align-items:center;height:124px;display:flex;position:relative;overflow:hidden}.timer-preview{flex-direction:column;gap:2px}.preview-time{letter-spacing:.015em;font-variant-numeric:tabular-nums;color:var(--brand);font-size:43px;font-weight:600;line-height:1.2}.preview-time>span{padding-inline:3px}.preview-context{color:var(--muted);font-size:12px}.seating-preview{flex-direction:column;gap:5px}.mini-board{background:var(--brand);color:#fff;text-align:center;border-radius:3px;width:154px;height:15px;font-size:10px;line-height:15px}.mini-seats{grid-template-columns:repeat(4,1fr);gap:4px;width:146px;display:grid}.mini-seats>span{background:var(--surface);color:var(--muted);border:1px solid var(--line);text-align:center;border-radius:3px;font-size:11px;line-height:20px}.planned-section{margin-top:32px}.planned-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;display:grid}.planned-card .tool-card-body{padding:20px}.planned-card h3{font-size:17px}.status-tag{color:var(--muted);background:var(--surface-alt);white-space:nowrap;border-radius:6px;padding:2px 8px;font-size:12px}.recent-section{align-items:center;gap:24px;margin-bottom:24px;display:flex}.recent-section h2{font-size:14px;font-weight:550}.recent-section>div{flex-wrap:wrap;gap:12px;display:flex}.recent-section a{min-height:44px;color:var(--muted);align-items:center;gap:8px;font-size:14px;display:inline-flex}.recent-section a:hover{color:var(--brand)}.back-link{color:var(--muted);align-items:center;gap:8px;min-height:44px;margin-bottom:12px;font-size:14px;display:inline-flex}.back-link:hover{color:var(--brand)}.tool-page-heading .page-heading{margin-bottom:24px}.tool-actions-row{justify-content:space-between;align-items:center;gap:16px;margin-bottom:20px;display:flex}.tool-actions-row>p{color:var(--subtle);max-width:620px;font-size:14px}.tool-actions-row>div{flex-wrap:wrap;gap:8px;display:flex}.tool-help{border-top:1px solid var(--line);margin-top:24px}.tool-help summary{cursor:pointer;min-height:44px;padding:16px 0;font-size:15px;font-weight:550}.tool-help>div{max-width:800px;color:var(--muted);padding-bottom:16px;font-size:15px}.tool-help p+p{margin-top:12px}.timer-workspace{gap:var(--space-3);grid-template-columns:minmax(0,1fr) 300px;align-items:start;display:grid}.timer-settings form{margin-top:var(--space-3)}.timer-workspace:has(.timer-sequence-list){align-items:start}.timer-mode-switch{margin-top:var(--space-3);border:1px solid var(--line);border-radius:var(--radius-control);background:var(--surface-alt);grid-template-columns:repeat(2,minmax(0,1fr));gap:4px;padding:4px;display:grid}.timer-mode-switch button{min-height:44px;color:var(--muted);background:0 0;border:1px solid #0000;border-radius:7px;padding:8px;font-size:14px}.timer-mode-switch 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.timer-activity-next{font-size:clamp(18px,2vw,26px)}.duration-inputs{grid-template-columns:1fr auto 1fr;align-items:end;gap:12px;display:grid}.duration-inputs label{font-size:15px;font-weight:500}.duration-inputs>span{color:var(--muted);line-height:48px}.duration-inputs input{text-align:center;min-height:56px;font-size:22px}.timer-presets{gap:var(--space-2);margin-top:var(--space-3);flex-wrap:wrap;display:flex}.timer-presets button{border:1px solid var(--input-border);background:var(--surface);border-radius:8px;min-height:44px;padding:9px 10px;font-size:14px}.timer-presets button[aria-pressed=true]{background:var(--brand-soft);color:var(--brand);border-color:var(--brand);font-weight:650}.sound-setting{margin-top:var(--space-2);cursor:pointer;align-items:center;gap:8px;min-height:44px;font-size:15px;display:flex}.sound-setting input{width:18px;height:18px;accent-color:var(--brand);margin-right:4px}.timer-actions{flex-wrap:wrap;gap:8px;margin-top:24px;display:flex}.timer-actions .button-primary{flex:1}.timer-result{min-height:280px;padding:var(--space-5) var(--space-4);text-align:center;flex-direction:column;justify-content:center;align-items:center;display:flex}.timer-result h2{color:var(--muted);font-size:16px;font-weight:500}.timer-digits{font-variant-numeric:tabular-nums;letter-spacing:-.025em;margin-top:var(--space-2);font-size:clamp(64px,8vw,128px);font-weight:600;line-height:1.3}.timer-state{color:var(--brand);margin-top:var(--space-2);font-size:17px;font-weight:550}.timer-duration{color:var(--subtle);margin-top:var(--space-2);font-size:14px}.timer-result.is-finished{background:var(--brand-soft);border-color:var(--brand)}.timer-result.is-finished .timer-digits{color:var(--brand)}.seating-workspace{grid-template-columns:280px minmax(0,1fr);align-items:start;gap:24px;display:grid}.seating-fields{gap:var(--space-2);margin-top:var(--space-3);grid-template-columns:repeat(2,minmax(0,1fr));display:grid}.seating-fields label{font-size:15px;font-weight:500}.seating-fields label:first-child{grid-column:1/-1}.seating-settings form>.button{margin-top:20px}.seating-lock-help{color:var(--muted);border-top:1px solid var(--line);gap:10px;margin-top:24px;padding-top:20px;font-size:14px;line-height:1.8;display:flex}.seating-lock-help>svg{margin-top:4px}.canvas-panel{padding:24px}.canvas-toolbar{justify-content:space-between;align-items:flex-start;gap:12px;margin-bottom:16px;display:flex}.canvas-toolbar p{color:var(--subtle);margin-top:4px;font-size:13px}.canvas-actions{flex-wrap:wrap;justify-content:flex-end;gap:8px;display:flex}.example-note{color:var(--warning);background:var(--warning-soft);border-radius:8px;padding:10px 12px;font-size:13px;line-height:1.7}.seating-status{color:var(--muted);min-height:24px;margin-block:16px;font-size:14px}.canvas-scroll{overscroll-behavior:contain;max-width:100%;padding:6px 0 12px;overflow:auto}.seating-canvas{min-width:calc(var(--columns) * 72px);padding:4px}.classroom-board{background:var(--brand);color:#fff;text-align:center;border-radius:6px;max-width:460px;margin:0 auto 24px;padding:8px 16px;font-size:15px;font-weight:500}.seat-grid{grid-template-columns:repeat(var(--columns),minmax(60px,1fr));gap:10px;display:grid}.seat{border:1px solid var(--input-border);background:var(--surface);min-width:0;height:76px;color:var(--ink);border-radius:9px;flex-direction:column;justify-content:center;align-items:center;gap:2px;display:flex}button.seat:hover:not(:disabled){border-color:var(--brand);background:var(--surface-alt)}.seat.is-locked{border-color:var(--brand);background:var(--brand-soft)}.seat-number{font-variant-numeric:tabular-nums;font-size:24px;font-weight:600;line-height:1.4}.seat-number small{color:var(--muted);padding-left:3px;font-size:12px;font-weight:400}.seat-lock-label{min-height:16px;color:var(--brand);align-items:center;gap:3px;font-size:12px;display:flex}.seat:not(.is-locked) .seat-lock-label{color:var(--subtle)}.seat.is-empty{background:var(--surface-alt);opacity:1;border-style:dashed}.empty-seat-text{color:var(--muted);font-size:13px}.seat-legend{color:var(--subtle);flex-wrap:wrap;gap:16px;margin-top:12px;font-size:12px;display:flex}.seat-legend>span{align-items:center;gap:5px;display:inline-flex}.simple-tool-preview{color:var(--brand);flex-direction:column;gap:12px}.draw-workspace{grid-template-columns:320px minmax(0,1fr);gap:24px;display:grid}.groups-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;margin-top:24px;display:grid}.group-card{border:1px solid var(--line);border-radius:var(--radius-control);background:var(--surface-alt);min-width:0;padding:20px}.group-card h3{flex-wrap:wrap;align-items:baseline;gap:8px;font-size:18px;font-weight:600;display:flex}.group-card h3 span{color:var(--muted);font-size:13px;font-weight:400}.group-members{font-variant-numeric:tabular-nums;flex-wrap:wrap;gap:8px 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0;border:0;flex:1;padding:4px;font-size:16px}.screen-color-hex input[aria-invalid=true]{color:var(--error)}.screen-color-error{color:var(--error);padding:4px 8px;font-size:11px}.screen-color-swatches{grid-template-columns:repeat(6,minmax(0,1fr));display:grid}.screen-color-swatch{cursor:pointer;background:0 0;border:0;border-radius:6px;place-items:center;min-width:0;min-height:44px;padding:0;display:grid}.screen-color-swatch>span{background:var(--swatch-color);border:1px solid var(--ink);place-items:center;width:20px;height:20px;display:grid}@supports (color:color-mix(in lab,red,red)){.screen-color-swatch>span{border:1px solid color-mix(in srgb,var(--ink) 20%,transparent)}}.screen-color-swatch>span{border-radius:50%}.screen-color-swatch[aria-pressed=true]>span{outline:2px solid var(--brand);outline-offset:2px}.screen-color-swatch:hover{background:var(--brand-soft)}.screen-shape-settings{width:100%}.screen-shape-color-row{border-top:1px solid var(--line);border-bottom:1px solid var(--line);display:flex}.screen-shape-color-row>span{flex:1;justify-content:space-between;align-items:center;padding-left:8px;display:flex}.screen-shape-width{min-height:44px;color:var(--muted);align-items:center;gap:8px;padding-inline:8px;display:flex}.screen-shape-width input{width:0;min-width:0;height:44px;accent-color:var(--brand);flex:1;margin:0}.screen-shape-width output{min-width:16px;color:var(--ink);text-align:right}@media (min-width:640px) and (pointer:fine){.screen-ink-picker{width:232px}.screen-ink-modes{grid-template-columns:repeat(5,minmax(32px,1fr))}.screen-stage .screen-ink-close,.screen-stage .screen-ink-modes .button,.screen-stage .screen-object-toolbar .button{width:32px;min-width:32px;height:32px;min-height:32px;padding:0}.screen-color-heading,.screen-color-hex input,.screen-color-hue,.screen-color-swatch,.screen-ink-size,.screen-ink-size-row,.screen-property-heading,.screen-shape-width,.screen-shape-width input{height:32px;min-height:32px}.screen-stage .screen-color-chip,.screen-stage .screen-color-heading .button,.screen-stage .screen-color-hex .button,.screen-stage .screen-property-heading .button{flex-basis:32px;width:32px;min-width:32px;height:32px;min-height:32px}.screen-object-settings{width:196px}.screen-object-settings:has([data-color-open=true]){width:240px}.screen-stage .screen-quick-dock-button{width:36px;min-width:36px;height:36px}.screen-quick-dock-track{gap:2px;padding:4px}.screen-zoom-controls .button{height:32px;min-height:32px;padding:4px}.screen-zoom-controls .button-icon{width:32px;min-width:32px}.screen-object-toolbar{padding:4px}.screen-object-menu .screen-context-separator{margin-block:3px}}@media (pointer:coarse){.screen-floating-object-tools.screen-object-menu .button{min-height:44px}}@media (max-height:550px){.screen-stage:has(.screen-color-picker) .screen-zoom-controls{visibility:hidden;pointer-events:none}}@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-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}