/*! tailwindcss v4.3.3 | MIT License | https://tailwindcss.com */ @layer properties{@supports (((-webkit-hyphens:none)) and (not (margin-trim:inline))) or ((-moz-orient:inline) and (not (color:rgb(from red r g b)))){*,:before,:after,::backdrop{--tw-rotate-x:initial;--tw-rotate-y:initial;--tw-rotate-z:initial;--tw-skew-x:initial;--tw-skew-y:initial;--tw-shadow:0 0 #0000;--tw-shadow-color:initial;--tw-shadow-alpha:100%;--tw-inset-shadow:0 0 #0000;--tw-inset-shadow-color:initial;--tw-inset-shadow-alpha:100%;--tw-ring-color:initial;--tw-ring-shadow:0 0 #0000;--tw-inset-ring-color:initial;--tw-inset-ring-shadow:0 0 #0000;--tw-ring-inset:initial;--tw-ring-offset-width:0px;--tw-ring-offset-color:#fff;--tw-ring-offset-shadow:0 0 #0000;--tw-outline-style:solid;--tw-blur:initial;--tw-brightness:initial;--tw-contrast:initial;--tw-grayscale:initial;--tw-hue-rotate:initial;--tw-invert:initial;--tw-opacity:initial;--tw-saturate:initial;--tw-sepia:initial;--tw-drop-shadow:initial;--tw-drop-shadow-color:initial;--tw-drop-shadow-alpha:100%;--tw-drop-shadow-size:initial}}}@layer theme{:root,:host{--font-sans:-apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", "Noto Sans", Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji";--font-mono:ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;--spacing:.25rem;--default-font-family:var(--font-sans);--default-mono-font-family:var(--font-mono)}}@layer base{*,:after,:before,::backdrop{box-sizing:border-box;border:0 solid;margin:0;padding:0}::file-selector-button{box-sizing:border-box;border:0 solid;margin:0;padding:0}html,:host{-webkit-text-size-adjust:100%;tab-size:4;line-height:1.5;font-family:var(--default-font-family,-apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", "Noto Sans", Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji");font-feature-settings:var(--default-font-feature-settings,normal);font-variation-settings:var(--default-font-variation-settings,normal);-webkit-tap-highlight-color:transparent}hr{height:0;color:inherit;border-top-width:1px}abbr:where([title]){-webkit-text-decoration:underline dotted;text-decoration:underline dotted}h1,h2,h3,h4,h5,h6{font-size:inherit;font-weight:inherit}a{color:inherit;-webkit-text-decoration:inherit;-webkit-text-decoration:inherit;-webkit-text-decoration:inherit;-webkit-text-decoration:inherit;text-decoration:inherit}b,strong{font-weight:bolder}code,kbd,samp,pre{font-family:var(--default-mono-font-family,ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace);font-feature-settings:var(--default-mono-font-feature-settings,normal);font-variation-settings:var(--default-mono-font-variation-settings,normal);font-size:1em}small{font-size:80%}sub,sup{vertical-align:baseline;font-size:75%;line-height:0;position:relative}sub{bottom:-.25em}sup{top:-.5em}table{text-indent:0;border-color:inherit;border-collapse:collapse}:-moz-focusring:where(:not(iframe)){outline:auto}progress{vertical-align:baseline}summary{display:list-item}ol,ul,menu{list-style:none}img,svg,video,canvas,audio,iframe,embed,object{vertical-align:middle;display:block}img,video{max-width:100%;height:auto}button,input,select,optgroup,textarea{font:inherit;font-feature-settings:inherit;font-variation-settings:inherit;letter-spacing:inherit;color:inherit;opacity:1;background-color:#0000;border-radius:0}::file-selector-button{font:inherit;font-feature-settings:inherit;font-variation-settings:inherit;letter-spacing:inherit;color:inherit;opacity:1;background-color:#0000;border-radius:0}:where(select:is([multiple],[size])) optgroup{font-weight:bolder}:where(select:is([multiple],[size])) optgroup option{padding-inline-start:20px}::file-selector-button{margin-inline-end:4px}::placeholder{opacity:1}@supports (not ((-webkit-appearance:-apple-pay-button))) or (contain-intrinsic-size:1px){::placeholder{color:currentColor}@supports (color:color-mix(in lab, red, red)){::placeholder{color:color-mix(in oklab, currentcolor 50%, transparent)}}}textarea{resize:vertical}::-webkit-search-decoration{-webkit-appearance:none}::-webkit-date-and-time-value{min-height:1lh;text-align:inherit}::-webkit-datetime-edit{display:inline-flex}::-webkit-datetime-edit-fields-wrapper{padding:0}::-webkit-datetime-edit{padding-block:0}::-webkit-datetime-edit-year-field{padding-block:0}::-webkit-datetime-edit-month-field{padding-block:0}::-webkit-datetime-edit-day-field{padding-block:0}::-webkit-datetime-edit-hour-field{padding-block:0}::-webkit-datetime-edit-minute-field{padding-block:0}::-webkit-datetime-edit-second-field{padding-block:0}::-webkit-datetime-edit-millisecond-field{padding-block:0}::-webkit-datetime-edit-meridiem-field{padding-block:0}::-webkit-calendar-picker-indicator{line-height:1}:-moz-ui-invalid{box-shadow:none}button,input:where([type=button],[type=reset],[type=submit]){appearance:button}::file-selector-button{appearance:button}::-webkit-inner-spin-button{height:auto}::-webkit-outer-spin-button{height:auto}[hidden]:where(:not([hidden=until-found])){display:none!important}}@layer components;@layer utilities{.visible{visibility:visible}.relative{position:relative}.z-5{z-index:5}.m-2{margin:calc(var(--spacing) * 2)}.m-26{margin:calc(var(--spacing) * 26)}.m-32{margin:calc(var(--spacing) * 32)}.m-40{margin:calc(var(--spacing) * 40)}.m-178{margin:calc(var(--spacing) * 178)}.flex{display:flex}.grid{display:grid}.hidden{display:none}.table{display:table}.transform{transform:var(--tw-rotate-x,) var(--tw-rotate-y,) var(--tw-rotate-z,) var(--tw-skew-x,) var(--tw-skew-y,)}.resize{resize:both}.items-center{align-items:center}.justify-between{justify-content:space-between}.gap-3{gap:calc(var(--spacing) * 3)}.gap-4{gap:calc(var(--spacing) * 4)}.ring{--tw-ring-shadow:var(--tw-ring-inset,) 0 0 0 calc(1px + var(--tw-ring-offset-width)) var(--tw-ring-color,currentcolor);box-shadow:var(--tw-inset-shadow), var(--tw-inset-ring-shadow), var(--tw-ring-offset-shadow), var(--tw-ring-shadow), var(--tw-shadow)}.outline{outline-style:var(--tw-outline-style);outline-width:1px}.filter{filter:var(--tw-blur,) var(--tw-brightness,) var(--tw-contrast,) var(--tw-grayscale,) var(--tw-hue-rotate,) var(--tw-invert,) var(--tw-saturate,) var(--tw-sepia,) var(--tw-drop-shadow,)}.\[data-system\]\:visible:is(data-system){visibility:visible}}:root{color:#263c35;font-synthesis:none;--ink:#253e35;--green:#176b58;--mint:#edf5ee;--line:#e3e8df;--muted:#63766c;--orange:#ca643a;background:#f7f7f2;font-family:Noto Sans TC,Microsoft JhengHei,system-ui,sans-serif}*{box-sizing:border-box}body{margin:0}button,a,input{-webkit-tap-highlight-color:transparent}button{font:inherit;cursor:pointer}button:disabled{cursor:default;opacity:.5}button:focus-visible,a:focus-visible,input:focus-visible{outline-offset:4px;outline:3px solid #e28957}button,a{transition:background .2s,border-color .2s,color .2s,box-shadow .2s}a{color:inherit;text-decoration:none}button{border:0}button[hidden],[hidden]{display:none!important}.icon-sprite{width:0;height:0;position:absolute;overflow:hidden}.icon{fill:none;stroke:currentColor;stroke-width:1.7px;stroke-linecap:round;stroke-linejoin:round;flex-shrink:0;width:22px;height:22px}.app-shell{max-width:1680px;margin:auto;padding:0 38px}.topbar{border-bottom:1px solid var(--line);height:112px;margin-bottom:30px}.brand-mark{background:var(--green);color:#fff;border-radius:17px;place-items:center;width:52px;height:52px;display:grid;transform:rotate(-5deg);box-shadow:0 4px #0e5043}.brand-mark .icon{width:29px;height:29px}.brand strong{letter-spacing:1px;font-size:25px;font-weight:900}.brand-comma{color:var(--orange)}.brand small{letter-spacing:1.5px;color:var(--muted);margin-top:4px;font-size:11px;display:block}.round-button{border:1px solid var(--line);width:40px;height:40px;color:var(--muted);background:#fff;border-radius:50%;place-items:center;display:inline-grid}.round-button:hover{border-color:var(--green);color:var(--green);background:#f0f6f0}.round-button[aria-pressed=true]{background:var(--green);color:#fff}.save-status{color:#68776a;align-items:center;gap:7px;font-size:11px;display:flex}.save-status span{background:#5c9873;border-radius:50%;width:6px;height:6px}.about-button{border:1px solid var(--line);background:#fff;border-radius:12px;align-items:center;gap:7px;padding:10px 13px;font-size:12px;font-weight:600;display:flex}.about-button:hover{background:var(--mint)}.game-layout{grid-template-columns:208px minmax(310px,1fr) 312px;align-items:stretch;gap:25px;display:grid}.eyebrow{letter-spacing:1.8px;color:#718176;font-size:9px;font-weight:800}.sidebar h1{letter-spacing:.2px;margin:12px 0 23px;font-size:19px;font-weight:800}.stage-list{gap:11px;display:grid}.stage-card{border:1px solid var(--line);text-align:left;background:#fff;border-radius:16px;align-items:center;gap:12px;min-height:85px;padding:16px 11px;display:flex;position:relative}.stage-icon{color:#687d68;background:#eef2ea;border-radius:11px;place-items:center;width:38px;height:40px;display:grid}.stage-icon .icon{width:28px;height:28px}.stage-card b{font-size:14px;display:block}.stage-card small{color:var(--muted);margin-top:5px;font-size:10px;display:block}.stage-arrow{opacity:0;width:14px;height:14px;margin-left:auto}.stage-card.active{background:var(--green);color:#fff;border-color:var(--green);box-shadow:0 5px 16px #176b5817}.stage-card.active .stage-icon{color:#fff;background:#ffffff20}.stage-card.active small{color:#d7e8dd}.stage-card.active .stage-arrow{opacity:1}.stage-card:not(.active):hover{background:#f3f7f1;border-color:#a5bcac}.section-label{margin-bottom:11px;font-size:12px;font-weight:700}.segmented{background:#e9eee5;border-radius:11px;gap:4px;padding:4px;display:flex}.segmented button{color:#677363;background:0 0;border-radius:8px;flex:1;padding:9px;font-size:12px;font-weight:700}.segmented button.active{color:var(--green);background:#fff;box-shadow:0 1px 5px #30453214}.mode-section p{color:var(--muted);margin:13px 0;font-size:11px;line-height:1.9}.timer-toggle{cursor:pointer;justify-content:space-between;align-items:center;gap:8px;font-size:11px;display:flex;position:relative}.timer-toggle>span:first-child{align-items:center;gap:7px;display:flex}.timer-toggle .icon{width:16px;height:16px}.timer-toggle input{opacity:0;cursor:pointer;z-index:1;width:40px;height:28px;position:absolute;right:0}.switch-track{background:#d4ddcf;border-radius:20px;width:34px;height:20px;position:relative}.switch-track:after{content:"";background:#fff;border-radius:50%;width:14px;height:14px;transition:transform .2s;position:absolute;top:3px;left:3px}.timer-toggle input:checked+.switch-track{background:var(--green)}.timer-toggle input:checked+.switch-track:after{transform:translate(14px)}.timer-toggle input:focus-visible+.switch-track{outline-offset:3px;outline:3px solid #e28957}.journey-card{border:1px solid var(--line);background:#fff;border-radius:18px;margin-top:24px;padding:20px}.small-label{color:var(--muted);font-size:11px}.progress-count{align-items:baseline;gap:8px;margin:6px 0 13px;display:flex}.progress-count>strong{letter-spacing:-2px;color:var(--green);font-size:42px;line-height:1.2}.progress-count>span{color:#84917f;font-size:14px}.progress-track{background:#edf0e9;border-radius:10px;height:5px;overflow:hidden}.progress-track>div{background:#6a9a75;border-radius:10px;width:0;height:100%;transition:width .6s}.mini-stats{color:var(--muted);justify-content:space-between;margin-top:13px;font-size:10px;display:flex}.mini-stats b{color:var(--ink);margin-left:2px;font-size:12px}.gentle-note{gap:12px;margin:24px 6px;display:flex}.note-line{background:#bdd1bd;border-radius:2px;width:2px}.gentle-note p{color:#7b8979;margin:0;font-size:11px;line-height:1.9}.assembly-panel{isolation:isolate;background:radial-gradient(at 50% 45%,#f7faf5 0%,#eaf1e7 65%,#e3eddf 100%);border:1px solid #dce5d7;border-radius:28px;height:calc(100dvh - 193px);min-height:658px;max-height:860px;position:relative;overflow:hidden}.assembly-panel:before{content:"";z-index:-1;background-image:radial-gradient(#92af9833 1px,#0000 1px);background-size:22px 22px;position:absolute;inset:0}.canvas-heading{pointer-events:none;z-index:3;justify-content:space-between;align-items:flex-start;gap:8px;display:flex;position:absolute;top:25px;left:27px;right:25px}.canvas-heading h2{letter-spacing:.8px;margin:7px 0;font-size:24px;font-weight:800}.canvas-heading .eyebrow{color:#668371}.model-tag{color:#54735c;white-space:nowrap;background:#f7fbf380;border:1px solid #cadbca;border-radius:20px;padding:6px 9px;font-size:9px}.assembly-panel #viewport{outline-offset:-4px;position:absolute;inset:80px 0}.assembly-panel canvas{touch-action:none;cursor:grab;width:100%;height:100%;display:block}.assembly-panel canvas:active{cursor:grabbing}.stage-caption{color:#587264;text-align:center;pointer-events:none;justify-content:center;align-items:center;gap:8px;font-size:11px;line-height:1.6;display:flex;position:absolute;bottom:89px;left:18px;right:18px}.caption-dot{background:#7ba885;border-radius:50%;flex-shrink:0;width:5px;height:5px}.canvas-footer{justify-content:space-between;align-items:center;gap:8px;display:flex;position:absolute;bottom:20px;left:24px;right:21px}.orbit-help{color:#708773;align-items:center;gap:6px;font-size:10px;display:flex}.orbit-help .icon{width:17px;height:17px}.view-buttons{gap:7px;display:flex}.view-buttons .round-button{background:#ffffff8c;border-color:#d4e0cf}.timer-badge{color:var(--green);font-variant-numeric:tabular-nums;z-index:3;background:#ffffffc4;border-radius:25px;align-items:center;gap:7px;padding:7px 12px;font-size:15px;font-weight:700;display:flex;position:absolute;top:100px;left:27px}.timer-badge .icon{width:16px;height:16px}.timer-badge small{color:#ab522d;font-size:10px}.combo-badge{color:#8d6220;z-index:4;background:#fff1d3;border-radius:24px;align-items:center;gap:6px;padding:8px 13px;font-size:12px;display:flex;position:absolute;top:104px;right:24px;box-shadow:0 4px 20px #82734520}.combo-badge .icon{width:17px;height:17px}.loading-layer,.pause-layer{z-index:10;text-align:center;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);background:#edf3eaf0;flex-direction:column;justify-content:center;align-items:center;gap:12px;padding:25px;display:flex;position:absolute;inset:0}.loading-layer>span{color:var(--muted);font-size:12px}.loader-orbit{width:70px;height:70px;color:var(--green);border:1px dashed #8bad98;border-radius:50%;place-items:center;margin-bottom:10px;animation:6s linear infinite orbit;display:grid}.loader-orbit .icon{width:35px;height:35px}.pause-layer h2{font-size:25px;font-weight:800}.pause-layer p{color:var(--muted);font-size:13px}.pause-layer>.icon{width:40px;height:40px;color:var(--green)}.choices-panel{flex-direction:column;min-width:0;display:flex}.choices-heading h2{letter-spacing:.2px;margin:10px 0 8px;font-size:21px;font-weight:800}.choices-heading p{color:var(--muted);margin:0;font-size:11px;line-height:1.8}.pairing-note{color:#4f785c;background:#eaf1e7;border-radius:9px;align-items:center;gap:5px;margin:15px 0;padding:8px 10px;font-size:10px;display:flex}.pairing-note .icon{stroke-width:2px;width:14px;height:14px}.choices-grid{grid-template-columns:repeat(2,minmax(0,1fr));align-content:start;gap:10px;min-height:310px;display:grid}.bone-card{text-align:center;background:#fff;border:1px solid #dfe5d9;border-radius:17px;flex-direction:column;align-items:center;min-width:0;min-height:148px;padding:10px 9px 12px;display:flex;position:relative;overflow:hidden;box-shadow:0 2px 1px #30453203}.bone-card:hover:not(:disabled){background:#f8fbf5;border-color:#739e80;box-shadow:0 4px 16px #3045320c}.bone-card img{object-fit:contain;filter:drop-shadow(0 4px 3px #526e4f18);pointer-events:none;width:100%;height:89px}.bone-card b{white-space:normal;word-break:keep-all;margin-top:1px;font-size:12px;line-height:1.55;display:block}.bone-card small{color:#798576;text-overflow:ellipsis;white-space:nowrap;max-width:100%;font-size:8px;line-height:1.5;overflow:hidden}.card-key{color:#8b9685;background:#f2f4ee;border-radius:5px;place-items:center;min-width:17px;height:17px;font-size:9px;display:grid;position:absolute;top:8px;left:9px}.pair-chip{color:#7c8975;letter-spacing:.5px;font-size:8px;position:absolute;top:9px;right:7px}.bone-card.correct-hint{background:#edf7eb;border:2px solid #4c9471;padding:9px 8px 11px;box-shadow:0 0 0 3px #79a6891c}.bone-card.correct-hint:after{content:"這塊可以";color:#fff;background:#176b58;border-radius:6px;padding:3px 5px;font-size:9px;position:absolute;top:7px;right:5px}.bone-card.wrong{background:#fff3ec;border-color:#d67953;animation:.3s shake}.feedback{color:#5a7563;min-height:62px;padding:14px 2px 8px;font-size:12px;line-height:1.8}.feedback[data-tone=wrong]{color:#a04c2c}.feedback[data-tone=success]{color:#166346}.hint-button{color:#513c1f;background:#e8ba71;border-radius:13px;justify-content:space-between;align-items:center;gap:10px;width:100%;min-height:51px;margin-top:auto;padding:14px 15px;display:flex;box-shadow:0 3px #cfaa6b}.hint-button:hover:not(:disabled){background:#edc17e}.hint-button>span:first-child{align-items:center;gap:9px;display:flex}.hint-button b{font-size:12px}.hint-button .icon{width:20px;height:20px}.hint-count{text-align:center;background:#fff5df66;border-radius:7px;min-width:28px;font-size:18px;font-weight:600;line-height:26px}.hint-footnote{color:#7c836f;text-align:center;margin:12px 0;font-size:9px;line-height:1.6}.reset-button{color:#6d7d6b;background:0 0;justify-content:center;align-items:center;gap:6px;padding:8px;font-size:10px;display:flex}.reset-button .icon{width:14px;height:14px}.reset-button:hover{color:var(--green)}.site-footer{color:#85917d;letter-spacing:1.4px;justify-content:space-between;align-items:center;gap:15px;min-height:51px;font-size:9px;display:flex}.site-footer button{color:#667d69;letter-spacing:.3px;background:0 0;align-items:center;gap:5px;font-size:10px;display:flex}.site-footer .icon{width:12px;height:12px}.modal{color:var(--ink);background:#fafbf7;border:1px solid #dbe2d6;border-radius:25px;max-width:min(590px,100vw - 30px);max-height:85dvh;margin:auto;padding:34px;box-shadow:0 25px 90px #16332130}.modal::backdrop{-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);background:#132f2866}.modal h2{margin:11px 0;font-size:28px;font-weight:800}.modal h3{margin:23px 0 10px;font-size:15px;font-weight:800}.modal p{color:#637465;font-size:12px;line-height:1.9}.modal-close{width:32px;height:32px;position:absolute;top:14px;right:14px}.guide-steps{counter-reset:guide;gap:14px;margin:24px 0;padding:0;list-style:none;display:grid}.guide-steps li{counter-increment:guide;padding-left:38px;position:relative}.guide-steps li:before{content:counter(guide,decimal-leading-zero);color:#7c9b80;font-size:13px;font-weight:800;position:absolute;top:0;left:0}.guide-steps b{margin-bottom:4px;font-size:13px;display:block}.guide-steps span{color:#637465;font-size:11px;line-height:1.8;display:block}.license-links{flex-wrap:wrap;gap:8px;margin-top:17px;display:flex}.license-links a{color:var(--green);background:#eaf1e7;border-radius:8px;padding:8px 10px;font-size:10px}.primary-button,.secondary-button{border-radius:12px;justify-content:center;align-items:center;gap:8px;min-height:44px;padding:12px 18px;font-size:12px;font-weight:700;display:inline-flex}.primary-button{background:var(--green);color:#fff}.primary-button:hover{background:#0e5544}.secondary-button{color:#48654f;background:#eaf0e5}.secondary-button:hover{background:#dfeada}.modal-actions{justify-content:flex-end;gap:10px;margin-top:23px;display:flex}.small-modal{max-width:410px}.completion-modal{text-align:center;width:500px}.finish-icon{color:#956329;background:#f5e5bb;border-radius:50%;place-items:center;width:75px;height:75px;margin:0 auto 22px;display:grid;box-shadow:0 0 0 8px #f5e5bb44}.finish-icon .icon{width:39px;height:39px}.completion-modal>.eyebrow{display:block}.finish-stats{justify-content:center;gap:25px;margin:23px 0;display:flex}.finish-stats b{color:var(--green);font-variant-numeric:tabular-nums;font-size:24px;display:block}.finish-stats span{color:#75816e;font-size:10px}.completion-modal .modal-actions{justify-content:center}.finish-note{background:#eaf3e6;border-radius:12px;padding:10px!important}.celebrate{animation:.7s ease-out celebrate}.choices-grid[aria-disabled=true]{pointer-events:none}.paused .choices-panel{filter:blur(6px);pointer-events:none}.timer-toggle input:disabled{cursor:default}@keyframes orbit{to{transform:rotate(360deg)}}@keyframes shake{25%{transform:translate(-4px)}75%{transform:translate(4px)}}@keyframes celebrate{0%{transform:scale(.95)}50%{transform:scale(1.07)}to{transform:scale(1)}}@media (width>=1600px){.game-layout{grid-template-columns:232px minmax(400px,1fr) 340px;gap:30px}.stage-card{padding:18px 15px}.bone-card{min-height:168px}.bone-card img{height:108px}.choices-grid{min-height:350px}}@media (width<=1199px){.app-shell{padding:0 22px}.game-layout{grid-template-columns:174px minmax(300px,1fr) 270px;gap:17px}.topbar{height:99px;margin-bottom:23px}.brand strong{font-size:23px}.stage-card{gap:8px;padding:12px 9px}.stage-icon{width:32px}.stage-card b{font-size:12px}.stage-card small{font-size:9px}.sidebar h1{font-size:17px}.canvas-heading{left:22px;right:18px}.canvas-heading h2{font-size:21px}.model-tag{display:none}.choices-heading h2{font-size:19px}.choices-grid{gap:8px}.bone-card{min-height:142px;padding:8px}.bone-card img{height:86px}.assembly-panel{height:calc(100dvh - 171px);min-height:633px}.journey-card{padding:15px}.orbit-help{max-width:150px;font-size:9px}.save-status{display:none}}@media (width<=959px){.game-layout{grid-template-columns:minmax(0,1fr) 290px;gap:18px}.sidebar{grid-column:1/-1;align-items:center;gap:20px;display:flex}.sidebar>.eyebrow,.sidebar>h1,.gentle-note,.mode-section .section-label,.mode-section p{display:none}.stage-list{flex:1;gap:10px;display:flex}.stage-card{flex:1;max-width:225px;min-height:64px}.mode-section{flex-shrink:0;width:160px;margin:0}.timer-toggle{margin-top:9px}.journey-card{flex-shrink:0;width:150px;margin:0;padding:11px 14px}.journey-card .small-label,.mini-stats{display:none}.progress-count{gap:5px;margin:0 0 7px}.progress-count>strong{letter-spacing:0;font-size:23px}.progress-count>span{font-size:11px}.assembly-panel{height:640px;min-height:570px}.topbar{height:91px;margin-bottom:18px}.game-layout{align-items:stretch}.site-footer{font-size:8px}.brand small{letter-spacing:1px}.bone-card{min-height:148px}.bone-card img{height:95px}.choices-panel{padding-top:6px}.hint-button{margin-top:auto}}@media (width<=699px){.app-shell{padding:0 16px}.topbar{height:86px;margin-bottom:16px}.brand{gap:10px}.brand-mark{border-radius:13px;width:41px;height:41px}.brand-mark .icon{width:25px;height:25px}.brand strong{letter-spacing:0;font-size:20px}.brand small{letter-spacing:.3px;font-size:9px}.header-actions{gap:7px}.about-button{border-radius:50%;width:36px;height:36px;padding:8px}.about-button span{display:none}.header-actions>.round-button{width:36px;height:36px}.about-button .icon{width:19px;height:19px}.game-layout{flex-direction:column;gap:15px;display:flex}.sidebar{grid-template-columns:1fr 115px;gap:12px;display:grid}.stage-list{grid-column:1/-1}.stage-card{border-radius:14px;max-width:none;min-height:64px;padding:10px 12px}.stage-icon{width:32px;height:34px}.stage-icon .icon{width:25px;height:25px}.stage-card b{font-size:13px}.stage-card small{font-size:9px}.mode-section{align-items:center;gap:16px;width:auto;display:flex}.segmented{flex-shrink:0;width:142px;padding:3px}.segmented button{padding:7px;font-size:11px}.timer-toggle{margin:0;font-size:0}.timer-toggle .icon{width:18px;height:18px}.timer-toggle>span:first-child{gap:0}.switch-track{display:none}.timer-toggle input{width:32px;height:34px;left:0;right:auto}.timer-toggle:has(input:checked){color:var(--green)}.timer-toggle:has(input:checked):after{content:"";background:var(--green);border-radius:50%;width:4px;height:4px;position:absolute;top:-2px;right:-2px}.journey-card{border-radius:10px;flex-direction:column;gap:0;width:115px;padding:7px 10px;display:flex}.progress-count{justify-content:flex-end;margin:0 0 4px}.progress-count>strong{font-size:20px}.progress-track{height:3px}.assembly-panel{border-radius:22px;height:415px;min-height:0;max-height:none}.canvas-heading{top:17px;left:20px}.canvas-heading h2{margin-top:4px;font-size:19px}.eyebrow{letter-spacing:1.2px;font-size:8px}.model-tag{padding:4px 6px;font-size:8px;display:block}.assembly-panel #viewport{inset:60px 0 57px}.stage-caption{font-size:10px;bottom:54px;left:15px;right:15px}.canvas-footer{bottom:10px;left:17px;right:12px}.orbit-help{max-width:none;font-size:9px}.view-buttons .round-button{width:34px;height:34px}.timer-badge{padding:5px 8px;font-size:12px;top:70px;left:17px}.timer-badge .icon{width:13px;height:13px}.combo-badge{padding:5px 9px;font-size:10px;top:68px;right:16px}.choices-panel{grid-template-columns:1fr 1fr;column-gap:11px;padding-top:0;display:grid}.choices-heading{grid-column:1/-1}.choices-heading>.eyebrow{display:none}.choices-heading h2{margin:0 0 5px;font-size:18px}.choices-heading p{font-size:11px}.pairing-note{grid-column:1/-1;margin:10px 0;font-size:9px}.choices-grid{grid-column:1/-1;grid-template-columns:repeat(4,minmax(0,1fr));gap:7px;min-height:0}.choices-grid.challenge{grid-template-columns:repeat(3,minmax(0,1fr))}.bone-card{border-radius:12px;min-height:111px;padding:6px 3px 8px}.bone-card img{height:64px}.bone-card b{margin-top:0;font-size:10px}.bone-card small{display:none}.card-key{min-width:14px;height:14px;font-size:8px;top:6px;left:6px}.pair-chip{display:none}.feedback{grid-column:1/-1;min-height:50px;padding:11px 0 7px;font-size:11px}.hint-button{grid-column:1/-1;min-height:47px;margin:0;padding:10px 14px}.hint-footnote{grid-column:1/-1;margin:9px 0 4px;font-size:9px}.reset-button{grid-column:1/-1;min-height:40px;font-size:10px}.site-footer{flex-direction:column;justify-content:center;gap:7px;min-height:70px;padding:18px 0}.site-footer>span{font-size:7px}.site-footer button{font-size:9px}.bone-card.correct-hint{padding:5px 2px 7px}.bone-card.correct-hint:after{font-size:8px;top:4px;right:4px}.modal{border-radius:20px;padding:27px 22px}.modal h2{font-size:24px}.modal p{font-size:12px}.modal-actions{gap:7px}.primary-button,.secondary-button{padding:11px 13px;font-size:11px}.finish-stats{gap:18px}.finish-stats b{font-size:22px}}.all-done{text-align:center;background:#edf4e9;border:1px dashed #9cb59b;border-radius:20px;flex-direction:column;grid-column:1/-1;justify-content:center;align-items:center;gap:13px;min-height:240px;padding:25px;display:flex}.all-done .icon{width:42px;height:42px;color:var(--green)}.all-done b{font-size:16px}.all-done p{color:var(--muted);font-size:11px}@media (width<=699px){.topbar{height:74px}.assembly-panel{height:clamp(260px,100dvh - 530px,365px)}.header-actions .round-button,.about-button{width:44px;height:44px}.header-actions{gap:3px}.view-buttons .round-button{width:40px;height:40px}.canvas-footer{bottom:7px}.brand strong{font-size:19px}.stage-card small{font-size:8px}}@media (width<=699px) and (height<=740px){.topbar{height:62px;margin-bottom:12px}.game-layout{gap:11px}.choices-heading p{display:none}.pairing-note{margin:6px 0}}.stage-list{grid-template-columns:repeat(2,minmax(0,1fr));gap:8px;min-width:0}.stage-card{border-radius:13px;gap:6px;min-height:66px;padding:10px 7px}.stage-card .stage-icon{background:0 0;width:26px;height:32px}.stage-card .stage-icon .icon{width:24px;height:24px}.stage-card b{font-size:12px}.stage-card small{white-space:nowrap;margin-top:4px;font-size:9px}.sidebar h1{margin-bottom:19px;font-size:17px}.mode-section{margin-top:20px}.gentle-note{display:none}.journey-card{margin-top:20px}.stage-card.active .stage-icon{background:0 0}@media (width<=1199px) and (width>=960px){.stage-card{text-align:center;flex-direction:column;gap:4px;min-height:70px;padding:10px 6px}.stage-card .stage-icon{height:23px}.stage-card b{font-size:11px}.stage-card small{font-size:8px}}@media (width>=700px) and (width<=959px){.sidebar{grid-template-columns:minmax(0,1fr) 160px;align-items:start;gap:12px 18px;display:grid}.stage-list{grid-row:span 2;grid-template-columns:repeat(4,minmax(0,1fr));display:grid}.stage-card{gap:6px;max-width:none;min-height:62px}.stage-card b{font-size:11px}.stage-card small{font-size:8px}.stage-card .stage-icon{width:22px}.mode-section,.journey-card{width:160px;margin:0}.timer-toggle{margin-top:8px}}@media (width<=699px){.stage-list{scroll-snap-type:x proximity;scrollbar-width:thin;scrollbar-color:#b9cdb9 transparent;grid-row:auto;gap:8px;padding-bottom:4px;display:flex;overflow-x:auto}.stage-card{scroll-snap-align:start;flex:0 0 111px;gap:7px;min-height:60px;padding:9px 10px}.stage-card b{font-size:12px}.stage-card small{font-size:9px}.stage-card .stage-icon{width:25px;height:30px}.mode-section,.journey-card{margin:0}.sidebar{min-width:0}.assembly-panel{height:clamp(260px,100dvh - 524px,365px)}}.creator-brand{min-height:70px;color:var(--ink);background:#fff;border:1px solid #dfe6de;border-radius:16px;flex-shrink:0;justify-content:center;align-items:center;gap:15px;padding:9px 15px;display:flex;box-shadow:0 2px 8px #30453204}.creator-brand:hover{background:#f0f6f0;border-color:#83aa94;box-shadow:0 3px 14px #30453210}.creator-logo{flex-shrink:0;width:190px;height:54px;display:block;overflow:hidden}.creator-logo img{object-fit:cover;width:100%;height:100%;display:block}.creator-copy{border-left:1px solid var(--line);white-space:nowrap;flex-direction:column;gap:2px;padding-left:15px;display:flex}.creator-copy small{letter-spacing:2px;color:#63766c;font-size:8px;font-weight:800}.creator-copy strong{letter-spacing:.5px;font-size:13px;font-weight:800;line-height:1.5}.creator-copy>span{color:#426554;letter-spacing:1px;font-size:10px;line-height:1.5}.creator-arrow{width:16px;height:16px;color:var(--green);transform:rotate(-35deg)}.creator-credit{letter-spacing:.2px;color:#426554;align-items:center;gap:4px;min-height:44px;font-size:10px;display:flex}.creator-credit strong{font-weight:800}.creator-credit:hover{color:var(--green);text-underline-offset:4px;text-decoration:underline}@media (width>=960px) and (width<=1199px){.creator-brand{gap:8px;min-height:65px;padding:8px 10px}.creator-logo{width:144px;height:48px}.creator-copy{padding-left:10px}.creator-copy strong{font-size:12px}.creator-arrow{display:none}.header-actions{gap:8px}}@media (width>=700px) and (width<=959px){.topbar{grid-template-columns:1fr auto;gap:8px;height:auto;min-height:148px;padding:15px 0;display:grid}.creator-brand{grid-area:2/1/auto/-1;min-height:56px;padding:4px 16px}.header-actions{grid-area:1/2}.creator-logo{width:164px;height:46px}.creator-copy{grid-template-columns:auto auto;align-items:center;gap:2px 10px;display:grid}.creator-copy small{grid-row:span 2}.creator-copy strong{font-size:12px}.creator-copy>span{grid-column:2}}@media (width<=699px){.topbar{grid-template-rows:54px 54px;grid-template-columns:minmax(0,1fr) auto;gap:5px 4px;height:128px;margin-bottom:13px;padding:6px 0 8px;display:grid}.header-actions{grid-area:1/2}.creator-brand{border-radius:12px;grid-area:2/1/auto/-1;justify-content:space-between;gap:12px;min-height:54px;padding:4px 10px}.creator-logo{width:144px;height:44px}.creator-copy{flex:1;gap:0;padding-left:12px}.creator-copy small{letter-spacing:1.6px;font-size:7px;line-height:1.4}.creator-copy strong{letter-spacing:.2px;font-size:12px}.creator-copy>span{letter-spacing:.5px;font-size:10px}.creator-arrow{width:14px;height:14px}.assembly-panel{height:clamp(240px,100dvh - 570px,315px)}.creator-credit{letter-spacing:0;gap:3px;min-height:34px;font-size:10px}.site-footer{gap:3px}}@media (width<=699px) and (height<=740px){.topbar{grid-template-rows:48px 50px;gap:4px;height:116px;margin-bottom:10px}.creator-brand{min-height:50px}.creator-logo{height:40px}.creator-copy strong{font-size:11px}.creator-copy>span{font-size:9px}.game-layout{gap:9px}.pairing-note{display:none}.assembly-panel{height:240px}}@media (width<=359px){.brand strong{font-size:17px}.brand small{font-size:8px}.brand-mark{width:32px;height:36px}.brand{gap:7px}.creator-logo{width:121px}.creator-brand{gap:8px}.creator-copy{padding-left:8px}.creator-copy strong{font-size:11px}}.language-toggle{border:1px solid var(--line);min-width:44px;min-height:44px;color:var(--green);background:#fff;border-radius:12px;place-items:center;padding:8px;font-size:12px;font-weight:800;display:grid}.language-toggle:hover{background:var(--mint)}.save-status>span:last-child{background:0 0;border-radius:0;width:auto;height:auto}.timer-always{color:#63766c;align-items:center;gap:7px;margin-top:10px;font-size:11px;display:flex}.timer-always .icon{width:16px;height:16px}.region-entry{min-width:0}.region-entry .stage-card{align-items:center;gap:6px;width:100%;min-height:75px;padding:9px 7px 22px}.region-name{min-width:0}.region-name b{overflow-wrap:normal;line-height:1.3}.region-best{color:#7d8b80;font-variant-numeric:tabular-nums;white-space:nowrap;letter-spacing:0;font-size:9px;position:absolute;bottom:5px;right:7px}.region-best.has-record{color:#8a621e;font-weight:800}.stage-card.active .region-best{color:#d6e9da}.stage-card.active .region-best.has-record{color:#ffe3a2}.xray-control input{accent-color:var(--green);flex-shrink:0;width:15px;height:15px;margin:0}.xray-control{z-index:4;color:var(--green);cursor:pointer;background:#ffffffdb;border-radius:16px;align-items:center;gap:6px;min-height:34px;padding:7px 10px;font-size:11px;display:flex;position:absolute;top:145px;left:27px}.bone-card.correct-hint:after{content:attr(data-hint-label)}.board-button{width:100%;min-height:42px;color:var(--green);background:#edf4e9;border:1px solid #cbdacb;border-radius:12px;justify-content:center;align-items:center;gap:7px;margin:4px 0 6px;font-size:11px;font-weight:700;display:flex}.board-button .icon{width:17px;height:17px}.board-button:hover{background:#dfeedd}.leaderboard-modal{width:520px}.score-table{border-collapse:collapse;width:100%;font-size:13px}.score-table th{color:var(--muted);text-align:left;border-bottom:1px solid var(--line);padding:12px 8px;font-size:10px}.score-table td{border-bottom:1px solid var(--line);padding:12px 8px}.score-table td:last-child,.score-table th:last-child{text-align:right;font-variant-numeric:tabular-nums}.score-table tbody tr:nth-child(-n+3){color:var(--green);font-weight:800}.score-table td:nth-child(2){overflow-wrap:anywhere}.score-form{text-align:left;background:#edf3e9;border-radius:14px;padding:15px}.score-form h3{margin:0 0 12px}.score-form label{color:var(--muted);font-size:11px}.score-input-row{gap:8px;margin-top:6px;display:flex}.score-input-row input{width:100%;min-width:0;font:inherit;background:#fff;border:1px solid #c4d4c3;border-radius:10px;padding:10px;font-size:14px}.score-input-row button{flex-shrink:0}.score-form p{margin:8px 0 0;font-size:10px;line-height:1.6}.score-form #score-status{color:var(--green)}html[lang=en] .brand strong{letter-spacing:-.6px;font-size:23px}html[lang=en] .brand small{letter-spacing:.2px}html[lang=en] .creator-copy strong{letter-spacing:0;font-size:10px}html[lang=en] .creator-copy>span{white-space:normal;letter-spacing:0;max-width:180px;font-size:9px}html[lang=en] .creator-brand{gap:10px}html[lang=en] .creator-logo{width:156px}html[lang=en] .region-name b{font-size:11px}html[lang=en] .bone-card b{word-break:normal}html[lang=en] .creator-credit{max-width:60%;line-height:1.6}@media (width<=1399px){.save-status{display:none}}@media (width>=960px) and (width<=1199px){.region-entry .stage-card{flex-direction:column;min-height:84px;padding-top:7px;padding-bottom:20px}html[lang=en] .creator-logo{width:115px}html[lang=en] .brand strong{font-size:21px}.header-actions .about-button span{display:none}}@media (width>=700px) and (width<=959px){.region-entry .stage-card{min-height:72px}.timer-always{margin-top:8px}}@media (width<=699px){.stage-list{align-items:flex-start}.region-entry{scroll-snap-align:start;flex:0 0 116px}.region-entry .stage-card{flex-direction:row;min-height:68px;padding:7px 7px 19px}.region-name b{font-size:11px}.region-name small{margin-top:3px;font-size:8px}.region-best{font-size:8px;bottom:4px}.timer-always{margin:0;font-size:0}.timer-always .icon{width:18px;height:18px}.language-toggle{width:36px;min-width:36px;min-height:40px;font-size:11px}.header-actions .round-button,.about-button{width:36px;height:40px}.header-actions{gap:2px}.brand{gap:8px}.brand strong{font-size:18px}.brand small{font-size:8px}.brand-mark{width:36px;height:40px}.board-button{grid-column:1/-1;margin-top:5px}.xray-control{min-height:30px;padding:5px 7px;font-size:10px;top:103px;left:17px}.xray-control input{width:13px;height:13px}.creator-credit{text-align:center;max-width:100%;line-height:1.5}.creator-copy{min-width:0}.score-input-row{flex-wrap:wrap}.score-input-row button{width:100%}html[lang=en] .brand strong{letter-spacing:-.5px;font-size:16px}html[lang=en] .brand small{letter-spacing:0;font-size:7px}html[lang=en] .creator-copy strong{font-size:8px}html[lang=en] .creator-copy>span{font-size:8px;line-height:1.3}html[lang=en] .creator-logo{width:126px}html[lang=en] .region-name b{font-size:10px}html[lang=en] .creator-credit{max-width:100%;font-size:9px}html[lang=en] .bone-card b{font-size:9px;line-height:1.4}html[lang=en] .choices-heading h2{font-size:17px}.assembly-panel{height:clamp(225px,100dvh - 600px,300px)}}@media (width<=699px) and (height<=740px){.assembly-panel{height:225px}.topbar{margin-bottom:8px}.game-layout{gap:8px}.region-entry .stage-card{min-height:64px}.region-name b{font-size:10px}.creator-credit{font-size:9px}.choices-heading h2{font-size:16px}html[lang=en] .brand strong{font-size:15px}}@media (prefers-reduced-motion:reduce){*,:before,:after{scroll-behavior:auto!important;transition:none!important;animation:none!important}}.segmented button{min-width:0;min-height:44px;padding-inline:7px}.score-player{align-items:center;gap:9px;display:flex}.score-player>span:last-child{overflow-wrap:anywhere;min-width:0}.country-flag{object-fit:cover;border-radius:2px;flex:0 0 24px;width:24px;height:18px;box-shadow:0 0 0 1px #35584020}.country-flag.unknown{color:var(--muted);background:#eaf0e7;place-items:center;font-size:12px;display:inline-grid}.expert .bone-card b{color:var(--muted);font-size:11px;font-weight:500}@media (width>=700px) and (width<=959px){.sidebar{grid-template-columns:minmax(0,1fr) 200px}.mode-section,.journey-card{width:200px}}.language-toggle{white-space:nowrap;padding-inline:4px}@media (width<=699px){.sidebar{grid-template-columns:minmax(0,1fr) 95px;gap:10px}.mode-section{gap:8px;min-width:0}.segmented{width:calc(100% - 25px);max-width:225px}.segmented button{min-height:40px;padding-inline:4px;font-size:10px}.journey-card{width:95px}}.system-list{grid-template-columns:repeat(4,minmax(0,1fr));gap:5px;min-width:0;margin:0 0 12px;display:grid}.system-list button{border:1px solid var(--line);min-height:44px;color:var(--muted);background:#f0f3eb;border-radius:10px;padding:6px 2px;font-size:11px}.system-list button.active{background:var(--green);color:#fff;border-color:var(--green)}.region-entry[hidden]{display:none!important}@media (width>=960px){.stage-list{overscroll-behavior:contain;scrollbar-width:thin;max-height:380px;padding:2px 4px 2px 2px;overflow-y:auto}.region-entry .stage-card{min-height:80px}.region-name b{overflow-wrap:anywhere}}@media (width>=700px) and (width<=959px){.system-list{grid-column:1/-1;grid-template-columns:repeat(8,minmax(0,1fr));margin:0}.stage-list{scrollbar-width:thin;grid-row:span 2;align-content:start;max-height:185px;overflow-y:auto}}@media (width<=699px){.system-list{scrollbar-width:thin;grid-column:1/-1;gap:5px;margin:0;padding-bottom:2px;display:flex;overflow-x:auto}.system-list button{flex:none;min-width:52px;padding:7px 10px;font-size:11px}.stage-list{grid-column:1/-1}.region-entry .stage-card{min-height:76px}.region-name b{overflow-wrap:anywhere}}html[lang=en] .system-list button{font-size:10px}@media (width>=960px){.stage-list:not([data-system-view=bones]){grid-template-columns:1fr}.stage-list:not([data-system-view=bones]) .stage-card{text-align:left;flex-direction:row;justify-content:flex-start;gap:10px;min-height:64px;padding:9px 10px 20px}.stage-list:not([data-system-view=bones]) .region-name b{overflow-wrap:normal;word-break:normal;font-size:12px;line-height:1.4}.stage-list:not([data-system-view=bones]) .stage-icon{flex:0 0 26px}.stage-list:not([data-system-view=bones]) .region-name{flex:1}}@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-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-shadow-color{syntax:"*";inherits:false}@property --tw-shadow-alpha{syntax:"";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:"";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:"";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:"";inherits:false;initial-value:100%}@property --tw-drop-shadow-size{syntax:"*";inherits:false}.play-area{display:contents}.focus-menu{display:none}@media (width<=959px) and (orientation:portrait){.portrait-playing .game-layout{flex-direction:column;display:flex}.portrait-playing .play-area{overflow-anchor:none;min-width:0;padding-top:max(8px,env(safe-area-inset-top));padding-bottom:max(8px,env(safe-area-inset-bottom));display:block;position:relative}.portrait-playing .assembly-panel{height:var(--assembly-height,55dvh);border-radius:22px;min-height:0;max-height:none;margin:0 0 8px}.portrait-playing .canvas-heading{top:13px;left:16px;right:90px}.portrait-playing .canvas-heading h2{letter-spacing:0;margin:0;font-size:18px;line-height:1.5}.portrait-playing .canvas-heading .eyebrow,.portrait-playing .model-tag,.portrait-playing .stage-caption,.portrait-playing .orbit-help{display:none}.portrait-playing .assembly-panel #viewport{inset:45px 0 94px}.portrait-playing .timer-badge{padding:5px 8px;font-size:12px;top:49px;left:14px}.portrait-playing .timer-badge .icon{width:13px;height:13px}.portrait-playing .xray-control{min-height:32px;padding:6px 8px;font-size:10px;top:82px;left:14px}.portrait-playing .combo-badge{padding:5px 7px;font-size:10px;top:51px;right:12px}.portrait-playing .canvas-footer{justify-content:flex-end;bottom:8px;left:14px;right:12px}.portrait-playing .view-buttons .round-button{width:44px;height:44px}.portrait-playing .focus-menu{z-index:4;min-width:70px;min-height:44px;color:var(--green);background:#ffffffb8;border-radius:12px;padding:7px 10px;font-size:11px;font-weight:700;display:block;position:absolute;top:5px;right:10px}.portrait-playing .choices-panel{grid-template-columns:minmax(0,1fr) auto;grid-template-areas:"heading hint""choices choices""footnote footnote""board restart";grid-template-rows:44px var(--answers-height,34dvh) auto auto;gap:6px 10px;padding:0;display:grid;position:static}.portrait-playing .choices-heading{grid-area:heading;align-self:center;min-width:0}.portrait-playing .choices-heading h2{letter-spacing:0;margin:0;font-size:15px;line-height:1.4}.portrait-playing .choices-heading p,.portrait-playing .choices-heading .eyebrow,.portrait-playing .pairing-note{display:none}.portrait-playing .choices-grid{height:var(--answers-height,34dvh);grid-area:choices;grid-template-columns:repeat(var(--focus-columns,2),minmax(0,1fr));grid-template-rows:repeat(var(--focus-rows,2),minmax(0,1fr));align-content:stretch;gap:6px;min-height:0}.portrait-playing .choices-grid.challenge{grid-template-columns:repeat(var(--focus-columns,3),minmax(0,1fr))}.portrait-playing .bone-card,.portrait-playing .bone-card.correct-hint{border-radius:13px;height:100%;min-height:0;padding:7px 5px}.portrait-playing .bone-card img{object-fit:contain;flex:1 1 0;width:100%;height:0;min-height:24px}.portrait-playing .bone-card b{word-break:normal;overflow-wrap:anywhere;flex:none;max-height:3.9em;margin:0;font-size:11px;line-height:1.3;overflow:hidden}.portrait-playing .bone-card small,.portrait-playing .pair-chip{display:none}.portrait-playing .card-key{min-width:15px;height:15px;font-size:8px;top:6px;left:6px}.portrait-playing .hint-button{border-radius:11px;grid-area:hint;align-self:center;gap:6px;width:auto;height:40px;min-height:40px;margin:0;padding:6px 10px;box-shadow:0 2px #cfaa6b}.portrait-playing .hint-button>span:first-child{gap:5px}.portrait-playing .hint-button .icon{width:16px;height:16px}.portrait-playing .hint-button b{max-width:100px;font-size:10px;line-height:1.3}.portrait-playing .hint-count{min-width:22px;font-size:15px;line-height:24px}.portrait-playing .feedback{z-index:4;top:calc(max(8px,env(safe-area-inset-top)) + var(--assembly-height,55dvh) - 94px);color:#426653;text-align:center;pointer-events:none;background:#eef4e8e8;border-radius:8px;justify-content:center;align-items:center;height:42px;min-height:0;margin:0;padding:3px 7px;font-size:10px;line-height:1.4;display:flex;position:absolute;left:14px;right:14px;overflow:hidden}.portrait-playing .feedback[data-tone=wrong]{color:#a04c2c;background:#fff0e7f2}.portrait-playing .hint-footnote{grid-area:footnote;margin:6px 0;font-size:10px}.portrait-playing .board-button{grid-area:board;min-height:44px;margin:0;font-size:10px}.portrait-playing .reset-button{grid-area:restart;min-height:44px;padding:6px;font-size:10px}.portrait-playing .all-done{grid-area:1/1/-1/-1;min-height:0}}.catalog-search{min-width:0;margin:0 0 12px}.catalog-search>label{margin-bottom:7px;font-size:12px;font-weight:700;display:block}.search-field{background:#fff;border:1px solid #ccd9cd;border-radius:12px;align-items:center;min-height:46px;display:flex;overflow:hidden}.search-field:focus-within{outline:2px solid var(--green);outline-offset:2px}.search-field>.icon{width:17px;height:17px;color:var(--muted);flex:0 0 17px;margin-left:10px}.search-field input{width:100%;min-width:0;min-height:44px;color:var(--ink);font:inherit;background:0 0;border:0;outline:none;padding:9px 5px 9px 8px;font-size:16px}.search-field input::placeholder{color:var(--muted);font-size:11px}.search-field input::-webkit-search-cancel-button{display:none}#search-clear{min-height:44px;color:var(--muted);background:0 0;border:0;flex:0 0 40px;align-self:stretch;font-size:25px;line-height:1}#search-clear:hover{background:var(--mint);color:var(--green)}#search-help{color:var(--muted);margin-top:6px;font-size:10px;line-height:1.5;display:block}.search-area{min-width:0}#search-status{color:var(--muted);margin:0 0 10px;font-size:12px;line-height:1.6}.search-results{overscroll-behavior:contain;scrollbar-width:thin;max-height:380px;padding:2px 4px 2px 2px;overflow-y:auto}.search-group{margin:0 0 14px}.search-group>h2{color:var(--green);margin:0 0 7px;font-size:12px;font-weight:800}.search-result{border:1px solid var(--line);background:#fff;border-radius:12px;margin-bottom:8px;overflow:hidden}.search-result>button{text-align:left;width:100%;min-height:64px;color:var(--ink);background:#edf4ec;border:0;flex-direction:column;align-items:flex-start;gap:4px;padding:10px 10px 22px;display:flex;position:relative}.search-result>button:hover{background:#dfeedd}.search-result>button:focus-visible{outline-offset:-3px}.search-result strong{overflow-wrap:anywhere;font-size:13px;line-height:1.45}.search-result>button>small{color:var(--green);overflow-wrap:anywhere;font-size:10px;line-height:1.5}.search-best{color:var(--muted);font-variant-numeric:tabular-nums;font-size:9px;position:absolute;bottom:5px;right:9px}.search-matches{margin:0;padding:0 10px;list-style:none}.search-matches li{border-top:1px solid var(--line);overflow-wrap:anywhere;padding:8px 0;font-size:12px;line-height:1.5}.search-matches li>span{font-weight:600;display:block}.search-matches small{color:var(--muted);margin-top:2px;font-size:10px;display:block}.search-result>p{color:var(--muted);margin:8px 10px;font-size:11px}.search-result summary{min-height:44px;color:var(--green);cursor:pointer;padding:12px 10px;font-size:11px}.search-result details[open] summary{border-bottom:1px solid var(--line)}@media (width>=700px) and (width<=959px){.catalog-search{grid-column:1/-1;grid-template-columns:160px minmax(0,1fr);align-items:center;column-gap:14px;margin:0;display:grid}.catalog-search>label{margin:0}.search-field{grid-row:span 2}#search-help{grid-area:2/1;font-size:9px}.search-area{grid-row:span 2}.search-results{max-height:280px}}@media (width<=699px){.catalog-search{grid-column:1/-1;margin:0}.catalog-search>label{margin-bottom:5px;font-size:11px}.search-field input::placeholder{font-size:13px}#search-help{display:none}#search-clear{flex-basis:44px}.search-area{grid-column:1/-1}.search-results{max-height:min(300px,43dvh)}#search-status{margin-bottom:7px;font-size:11px}.search-result strong{font-size:13px}}.experience-switch{background:#e6eee4;border:1px solid #d9e3d7;border-radius:13px;gap:5px;min-width:0;margin-bottom:17px;padding:4px;display:flex}.experience-switch button{min-width:0;min-height:44px;color:var(--muted);background:0 0;border-radius:9px;flex:1;padding:7px 5px;font-size:12px;font-weight:700}.experience-switch button.active{background:var(--green);color:#fff;box-shadow:0 2px 5px #176b5820}.free-mode .mode-section,.free-mode .journey-card,.free-mode .region-best,.free-mode .search-best,.free-mode #save-status{display:none}.free-mode .choices-panel>:not(#free-panel),.free-mode #timer-badge,.free-mode #pause,.free-mode #xray-control,.free-mode #combo-badge{display:none!important}.free-mode .choices-panel{min-width:0;display:block}.free-panel h2{margin:12px 0 10px;font-size:23px;font-weight:800;line-height:1.4}.free-panel p{color:var(--muted);margin:8px 0 14px;font-size:12px;line-height:1.7}.free-filter-label{margin:16px 0 5px;font-size:11px;font-weight:700;display:block}.free-filter-field{background:#fff;border:1px solid #c8d7c7;border-radius:11px;align-items:center;display:flex;overflow:hidden}.free-filter-field input{width:100%;min-width:0;min-height:44px;font:inherit;color:var(--ink);outline-offset:-3px;background:0 0;border:0;padding:9px 12px;font-size:16px}.free-filter-field input::-webkit-search-cancel-button{display:none}.free-filter-field button{min-width:44px;min-height:44px;color:var(--muted);background:0 0;font-size:24px}.free-list-meta{color:var(--muted);flex-wrap:wrap;justify-content:space-between;gap:6px;margin:12px 0 8px;font-size:10px;display:flex}.free-parts{overscroll-behavior:contain;scrollbar-width:thin;max-height:clamp(280px,100dvh - 470px,600px);padding:3px 5px 3px 2px;overflow-y:auto}.free-part{border:1px solid var(--line);background:#fff;border-radius:13px;margin-bottom:8px;padding:4px 11px 2px}.free-part.selected{border-color:var(--green);background:#eef6ee;box-shadow:0 0 0 1px #176b5810}.free-part>button{text-align:left;color:var(--ink);background:0 0;align-items:center;gap:9px;width:100%;min-height:44px;padding:6px 0;display:flex}.free-part b{overflow-wrap:anywhere;font-size:12px;font-weight:700;line-height:1.5;display:block}.free-part small{color:var(--muted);font-size:10px;line-height:1.5;display:block}.free-color{border:1px solid #27372c30;border-radius:50%;flex:0 0 12px;width:12px;height:12px}.invisible-part .free-color{border-style:dashed;background:0 0!important}.free-slider{align-items:center;gap:12px;display:flex}.free-slider input{accent-color:var(--green);cursor:pointer;width:100%;min-width:0;height:44px;margin:0}.free-slider output{text-align:right;color:var(--green);font-variant-numeric:tabular-nums;flex:0 0 37px;font-size:12px}.free-panel #free-reset{width:100%;margin-top:10px}.free-panel .free-temporary{margin-bottom:0;font-size:11px}.free-mode .stage-caption{background:#f3f7eef0;border-radius:8px;padding:5px 9px}@media (width<=959px){.experience-switch{grid-column:1/-1;width:100%;margin:0}.experience-switch button{flex:1}.free-mode .sidebar{grid-template-columns:minmax(0,1fr)}.free-mode .stage-list{grid-row:auto}.free-mode .choices-panel{padding-top:0}}@media (width<=699px){.free-mode .play-area{isolation:isolate;min-width:0;display:block}.free-mode .assembly-panel{z-index:5;height:clamp(270px,48dvh,420px);margin-bottom:16px;position:sticky;top:8px}.free-mode .assembly-panel #viewport{inset:56px 0 64px}.free-mode .canvas-heading{top:12px;left:16px;right:80px}.free-mode .canvas-heading .eyebrow,.free-mode .model-tag{display:none}.free-mode .canvas-heading h2{margin:0;font-size:18px}.free-mode .focus-menu{z-index:6;min-width:66px;min-height:44px;color:var(--green);background:#ffffffb8;border-radius:11px;font-size:11px;display:block;position:absolute;top:5px;right:8px}.free-mode .stage-caption{max-height:42px;padding:4px 6px;font-size:10px;line-height:1.4;bottom:52px;overflow:hidden}.free-panel h2{margin:0 0 5px;font-size:20px}.free-panel>.eyebrow{display:none}.free-panel p{margin:5px 0 10px}.free-filter-label{margin-top:10px}.free-parts{max-height:330px}.free-list-meta{font-size:11px}.free-part b{font-size:13px}}.multi-toggle{width:100%;min-height:44px;color:var(--green);background:#fff;border:1px solid #b6cbb7;border-radius:11px;justify-content:center;align-items:center;gap:8px;margin:-7px 0 16px;padding:8px 12px;font-size:12px;font-weight:700;display:flex}.multi-toggle:before{content:"＋";font-size:18px;line-height:1}.multi-toggle[aria-pressed=true]{border-color:var(--green);background:#e1efdf}.multi-toggle[aria-pressed=true]:before{content:"✓"}.multi-picker{background:#edf3e9;border:1px solid #c8d9c6;border-radius:13px;min-width:0;margin-bottom:16px;padding:12px}.multi-picker p{color:var(--muted);margin:0 0 9px;font-size:11px;line-height:1.7}.multi-picker>strong{margin-bottom:8px;font-size:12px;line-height:1.6;display:block}.multi-selected{scrollbar-width:thin;flex-wrap:wrap;gap:5px;max-height:130px;margin-bottom:8px;display:flex;overflow:auto}.multi-selected button{min-height:44px;color:var(--green);text-align:left;background:#fff;border:1px solid #bbcfb9;border-radius:9px;align-items:center;gap:7px;max-width:100%;padding:6px 8px;font-size:11px;line-height:1.5;display:flex}.multi-selected button span{overflow-wrap:anywhere}.multi-selected button:after{content:"×";flex-shrink:0;font-size:17px}.multi-actions{flex-wrap:wrap;gap:6px;display:flex}.multi-actions button{border-radius:9px;flex:1;min-height:44px;padding:8px 6px;font-size:11px}#multi-apply.has-pending-changes:not(:disabled){animation:2.6s ease-in-out infinite multi-apply-pulse}@keyframes multi-apply-pulse{0%,to{background-color:#052b24}50%{background-color:#2e8268}}@media (prefers-reduced-motion:reduce){#multi-apply.has-pending-changes:not(:disabled){outline-offset:2px;outline:2px solid #c68a28}}#multi-clear{color:var(--green);background:#dfe8d9}#multi-status{min-height:1.7em;font-size:10px}.multi-selecting .stage-card{padding-right:28px!important}.multi-selecting .stage-card:after,.multi-selecting [data-search-stage]:after{content:"";background:#fff;border:1px solid #9bb49e;border-radius:4px;width:17px;height:17px;position:absolute;top:9px;right:7px}.multi-selecting .stage-card[aria-checked=true]:after,.multi-selecting [data-search-stage][aria-checked=true]:after{content:"✓";color:var(--green);background:#dcecd7;place-items:center;font-size:13px;font-weight:800;display:grid}.multi-selecting [data-search-stage]{padding-right:29px!important}.multi-selecting [data-search-stage][aria-checked=true]{background:#dfedda}.combined-stage #leaderboard-open,.combined-stage #score-form,.combined-stage #next-stage{display:none!important}.combination-record{color:var(--muted);background:#edf3e9;border:1px solid #c9d9c4;border-radius:11px;grid-column:1/-1;margin:8px 0;padding:10px 12px;font-size:11px;line-height:1.7}.combination-record b{color:var(--green);font-size:12px;display:block}.portrait-playing .combination-record{grid-area:5/1/auto/-1}@media (width>=960px){.multi-selecting .sidebar{overscroll-behavior:contain;scrollbar-width:thin;max-height:calc(100dvh - 170px);padding:2px 4px 6px 2px;overflow-y:auto}.multi-selecting .stage-list{grid-template-columns:minmax(0,1fr)}.multi-selecting .stage-card{text-align:left;flex-direction:row;justify-content:flex-start;min-height:64px}.multi-selecting .region-name b{overflow-wrap:normal;word-break:normal}.multi-selecting .stage-icon{flex-shrink:0}}@media (width<=959px){.multi-toggle,.multi-picker{grid-column:1/-1;margin:0}.multi-picker{padding:11px}.multi-selected{max-height:100px}.multi-picker>p:first-child{font-size:10px}.multi-actions{flex-wrap:nowrap}.multi-actions button{flex:1 1 0}}