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var(--line);background:var(--surface);max-width:150px;min-height:36px;color:var(--ink);font:inherit;border-radius:10px;padding:6px 8px}.zoom-tools{align-items:center;gap:4px;display:flex}.zoom-tools button{border:1px solid var(--line);background:var(--surface);min-width:30px;min-height:36px;color:var(--ink);border-radius:10px;padding:6px 7px;font-size:10px}.zoom-tools button[aria-pressed=true]{color:var(--surface);background:var(--teal);border-color:var(--teal)}.zoom-tools output{text-align:center;font-variant-numeric:tabular-nums;min-width:24px;font-weight:700}.lesson-picker{border:2px solid var(--line);border-radius:16px;margin-top:10px;padding:0 15px}.lesson-picker summary{cursor:pointer;justify-content:space-between;align-items:center;gap:12px;min-height:48px;font-size:12px;font-weight:700;list-style:none;display:flex}.lesson-picker summary::-webkit-details-marker{display:none}.lesson-picker summary>span:last-child{color:var(--teal);font-size:16px}.archive-date{color:var(--muted);padding:3px 0 16px;font-size:12px;line-height:1.7}.archive-date label{flex-wrap:wrap;align-items:center;gap:12px;display:flex}.archive-date input{border:1px solid var(--line);background:var(--surface);min-height:40px;color:var(--ink);font:inherit;border-radius:10px;padding:6px 10px}.archive-date p{margin-top:8px}.practice-nav{grid-template-columns:repeat(2,minmax(0,1fr));gap:8px;padding:10px 0 16px;display:grid}.practice-nav button{min-height:44px;color:var(--muted);border:1px solid var(--line);background:var(--surface);text-align:left;border-radius:12px;align-items:center;gap:7px;padding:8px 10px;font-size:11px;display:flex}.practice-nav button[aria-pressed=true],.practice-nav button:hover{color:var(--ink);background:var(--mint);border-color:var(--teal)}.practice-check{color:var(--teal);margin-left:auto}.game-caption{text-align:center;color:var(--muted);margin:22px 0 0;font-size:12px}.fold-studio:-webkit-full-screen{background:var(--page);width:100%;max-width:none;height:100dvh;padding:24px max(24px,50vw - 520px);overflow:auto}.fold-studio:fullscreen{background:var(--page);width:100%;max-width:none;height:100dvh;padding:24px max(24px,50vw - 520px);overflow:auto}@keyframes settle-in{0%{opacity:0;transform:translateY(5px)}to{opacity:1;transform:translateY(0)}}@keyframes paper-confetti-fall{0%{opacity:0;transform:translate(0)rotate(0)}10%,75%{opacity:1}to{opacity:0;transform:translate3d(var(--drift), min(480px, 110vw), 0) rotate(var(--spin))}}@media (max-width:900px){.fold-studio{grid-template-columns:220px minmax(0,1fr);gap:24px}.daily-levels button{gap:5px;padding:9px}.daily-levels svg{width:44px;height:44px}.fold-success{flex-direction:column;align-items:flex-start;gap:8px}}@media (max-width:720px){.site-header,.home,.site-footer{width:calc(100% - 32px)}.site-header{gap:10px;padding:15px 0 7px}.wordmark{gap:6px;font-size:20px}.brand-mark{width:34px;height:34px}.site-header nav{gap:12px;font-size:11px}.intro{padding:13px 0 22px}.intro h1{font-size:28px}.intro>p:last-child{margin-top:7px;font-size:12px}.intro .eyebrow{display:none}.fold-studio{max-width:540px;display:block}.puzzle-menu{padding:0}.daily-heading{margin-bottom:13px}.daily-heading h3{margin-top:2px;font-size:20px}.difficulty-nav{gap:9px}.difficulty-nav button{border-radius:14px;flex-direction:row;gap:6px;min-height:42px}.difficulty-dots{height:auto;font-size:12px;line-height:1}.difficulty-description{min-height:0;margin:12px 2px;font-size:11px}.daily-levels{grid-template-columns:repeat(3,minmax(0,1fr));gap:9px}.daily-levels button{border-radius:17px;flex-direction:column;justify-content:center;gap:0;min-height:82px;padding:7px 3px;position:relative}.daily-number{width:18px;height:18px;font-size:9px;position:absolute;top:6px;left:6px}.daily-levels svg{width:47px;height:47px}.daily-card-copy strong,.daily-selected,.playful-note,.puzzle-menu .daily-schedule{display:none}.daily-stars{font-size:10px}.fold-workspace{margin-top:25px}.board-heading{gap:8px;min-height:48px;margin-bottom:8px}.board-heading h2{margin-top:2px;font-size:23px}.board-heading .studio-eyebrow{font-size:10px}.goal-chip svg{width:38px;height:38px}.goal-chip strong{font-size:11px}.goal-chip>span{font-size:9px}.help-toggle{width:32px;height:32px}.board-instruction{margin-bottom:11px;font-size:11px}.paper-board{border-radius:24px}.paper-board canvas{aspect-ratio:1;height:auto}.paper-board canvas:focus-visible{border-radius:19px}.board-corner-label{font-size:7px;bottom:10px;left:14px}.board-completion{bottom:6px;left:10px;right:10px}.board-completion>span{display:none}.next-fold{border-radius:12px;justify-content:space-between;width:100%;min-height:37px;padding:8px 12px;font-size:12px}.fold-meter{margin-top:19px}.fold-meter>div:first-child{font-size:11px}.fold-count{font-size:10px}.fold-controls{gap:9px;margin-top:16px}.fold-controls button{border-radius:14px;gap:4px;min-height:46px;padding:8px 4px;font-size:12px}.fold-feedback{padding-top:15px}.fold-success h3{font-size:22px}.fold-success .next-prompt{max-width:none}.paper-tools{justify-content:center;gap:8px 12px;padding-top:9px}.paper-tools select,.zoom-tools button{min-height:36px}.save-notice{font-size:9px}.game-caption{margin-top:17px;font-size:11px}.guide{margin-top:48px;font-size:14px}.guide h2{font-size:24px}.content-page{width:calc(100% - 36px);margin-top:30px}.content-page h1{font-size:30px}.fold-studio:-webkit-full-screen{padding:16px}.fold-studio:fullscreen{padding:16px}.fold-studio:-webkit-full-screen .paper-board canvas{aspect-ratio:auto;height:60dvh;max-height:60dvh}.fold-studio:fullscreen .paper-board canvas{aspect-ratio:auto;height:60dvh;max-height:60dvh}}@media (prefers-reduced-motion:reduce){.paper-confetti{display:none}.fold-studio *,.fold-studio :before,.fold-studio :after{transition:none!important;animation:none!important}}@property --tw-border-style{syntax:"*";inherits:false;initial-value:solid}@property --tw-ordinal{syntax:"*";inherits:false}@property --tw-slashed-zero{syntax:"*";inherits:false}@property --tw-numeric-figure{syntax:"*";inherits:false}@property --tw-numeric-spacing{syntax:"*";inherits:false}@property --tw-numeric-fraction{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-ease{syntax:"*";inherits:false}