/* Scoped ordinary renderer candidate; no global page/preview overrides. */
.sk-magnet-materials { color-scheme: light; font-family: system-ui, -apple-system, sans-serif; color: #203e48; background: #eef7f3; font-size: 100%; }
.sk-magnet-materials * { box-sizing: border-box; }
.sk-magnet-materials [hidden] { display: none !important; }
.sk-magnet-materials { margin: 0; padding: clamp(0.75rem, 3vw, 2rem); line-height: 1.55; }
.sk-magnet-materials .lesson-main { max-width: 64rem; margin: 0 auto; }
.sk-magnet-materials header { max-width: 52rem; margin: 0 auto 1.5rem; text-align: center; }
.sk-magnet-materials h1 { font-size: clamp(1.9rem, 5vw, 3rem); line-height: 1.15; margin: 0.5rem 0; letter-spacing: -0.035em; }
.sk-magnet-materials h2 { font-size: clamp(1.4rem, 4vw, 2rem); line-height: 1.3; margin: 0.25rem 0 0.75rem; }
.sk-magnet-materials h3 { font-size: 1.3rem; line-height: 1.35; margin: 0.3rem 0 0.75rem; }
.sk-magnet-materials p { margin: 0.6rem 0 1rem; }
.sk-magnet-materials .chapter-badge { display: inline-block; color: #355c5b; background: #d7ebe2; border: 1px solid #9cbdaf; border-radius: 2rem; padding: 0.35rem 0.8rem; font-size: 0.875rem; font-weight: 650; }
.sk-magnet-materials .subtitle { font-size: 1.125rem; }
.sk-magnet-materials .profile-note { color: #4e6769; font-size: 0.9rem; max-width: 43rem; margin: 0.75rem auto; }
.sk-magnet-materials .journey { list-style: none; padding: 0; display: flex; flex-wrap: wrap; justify-content: center; gap: 0.5rem; margin: 0 0 1.3rem; }
.sk-magnet-materials .journey li { padding: 0.3rem 0.7rem; font-size: 0.875rem; border-radius: 1.5rem; border: 1px solid #b4ccc1; }
.sk-magnet-materials .journey [aria-current="step"] { background: #245c5e; border-color: #245c5e; color: #fff; font-weight: 700; }
.sk-magnet-materials .activity { background: #fffdf6; border: 1px solid #c9dacb; border-radius: 1.6rem; box-shadow: 0 8px 0 #d4e5db, 0 18px 28px #184e3910; overflow: hidden; }
.sk-magnet-materials .explanation { padding: clamp(1rem, 3vw, 1.75rem); }
.sk-magnet-materials .eyebrow { color: #526c62; font-size: 0.85rem; text-transform: uppercase; font-weight: 750; letter-spacing: 0.08em; margin: 0 0 0.35rem; }
.sk-magnet-materials button { appearance: none; font: inherit; font-weight: 700; line-height: 1.4; color: #fff; background: #24686b; border: 2px solid #20585b; border-radius: 1rem; padding: 0.7rem 1.1rem; min-width: 44px; min-height: 48px; cursor: pointer; box-shadow: 0 3px 0 #173e42; overflow-wrap: anywhere; }
.sk-magnet-materials button:hover:not(:disabled) { background: #17565a; }
.sk-magnet-materials button:active:not(:disabled) { transform: translateY(2px); box-shadow: 0 1px 0 #173e42; }
.sk-magnet-materials button:disabled { background: #e2e8e0; border-color: #b8c5bb; color: #52615a; box-shadow: none; cursor: not-allowed; }
.sk-magnet-materials button:focus-visible, .sk-magnet-materials input:focus-visible, .sk-magnet-materials summary:focus-visible, .sk-magnet-materials h2:focus-visible, .sk-magnet-materials h3:focus-visible { outline: 3px solid #984508; outline-offset: 4px; }
.sk-magnet-materials .secondary { background: #f8fcf7; color: #245357; border-color: #8baa9a; box-shadow: 0 3px 0 #b8cebd; }
.sk-magnet-materials .secondary:hover:not(:disabled) { background: #dcefe6; }
.sk-magnet-materials fieldset { border: 0; padding: 0 clamp(1rem, 3vw, 1.75rem); margin: 0 0 1.2rem; min-width: 0; }
.sk-magnet-materials legend { padding: 0 0 0.65rem; font-weight: 700; }
.sk-magnet-materials .specimen-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 0.65rem; }
.sk-magnet-materials .specimen-grid button { color: #2d4f56; background: #f1f5eb; border-color: #bbcfb7; box-shadow: 0 3px 0 #c4d6bb; padding: 0.6rem 0.45rem; }
.sk-magnet-materials .specimen-grid button span { display: block; font-size: 0.85rem; font-weight: 450; }
.sk-magnet-materials .specimen-grid button[aria-pressed="true"] { background: #d6efe7; border-color: #1e6965; box-shadow: 0 3px 0 #659b86; }
.sk-magnet-materials .specimen-grid button[data-observed="true"]::after { content: "Проверен"; display: block; font-size: 0.75rem; font-weight: 600; margin-top: 0.15rem; color: #28574b; }
.sk-magnet-materials .scene-shell { margin: 0; background: #e7f0e5; border-block: 1px solid #cfddcc; }
.sk-magnet-materials canvas { display: block; width: 100%; height: auto; aspect-ratio: 900 / 390; cursor: grab; touch-action: pan-y; }
.sk-magnet-materials canvas[data-dragging="true"] { cursor: grabbing; touch-action: none; }
.sk-magnet-materials figcaption { min-height: 2.7rem; padding: 0.5rem 1rem 0.75rem; text-align: center; font-size: 0.95rem; background: #f5f7ec; }
.sk-magnet-materials .prediction-bench { margin: 1rem 0; }
.sk-magnet-materials .prediction-bench p { margin: 0.2rem 0 0.75rem; }
.sk-magnet-materials .prediction-choices { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0.65rem; }
.sk-magnet-materials .prediction-choices button { color: #245357; background: #f8fcf7; border-color: #8baa9a; box-shadow: 0 3px 0 #b8cebd; }
.sk-magnet-materials .prediction-choices button[aria-pressed="true"] { color: #fff; background: #24686b; border-color: #20585b; box-shadow: 0 3px 0 #173e42; }
.sk-magnet-materials .prediction-bench [data-mm-role="prediction-status"] { color: #245c50; font-weight: 650; margin: 0.75rem 0 0; }
.sk-magnet-materials .movement { padding: 1rem clamp(1rem, 3vw, 1.75rem); }
.sk-magnet-materials .movement label { display: flex; flex-wrap: wrap; gap: 0.5rem; justify-content: space-between; font-weight: 700; }
.sk-magnet-materials output { font-weight: 500; color: #375f5f; }
.sk-magnet-materials input[type="range"] { display: block; width: 100%; min-height: 48px; margin: 0.3rem 0 0.5rem; accent-color: #24686b; cursor: pointer; touch-action: pan-y; }
.sk-magnet-materials .movement-buttons { display: flex; gap: 0.75rem; margin-bottom: 1.1rem; }
.sk-magnet-materials .movement-buttons button { flex: 1; }
.sk-magnet-materials [data-mm-role="observe"] { width: 100%; }
.sk-magnet-materials .hint { color: #526662; font-size: 0.9rem; margin: 0.6rem 0 0; }
.sk-magnet-materials .observed { padding: 0 clamp(1rem, 3vw, 1.75rem); color: #3b6256; }
.sk-magnet-materials [data-mm-role="sort-start"] { margin: 0 clamp(1rem, 3vw, 1.75rem) 1.5rem; max-width: calc(100% - 2rem); }
.sk-magnet-materials .sort-bench { padding: 0 clamp(1rem, 3vw, 1.75rem) 1.5rem; }
.sk-magnet-materials .sort-bench .observed { padding: 0; font-weight: 700; }
.sk-magnet-materials .sort-bench [data-mm-role="challenge"] { display: block; width: 100%; margin: 0.5rem 0 1rem; }
.sk-magnet-materials .sort-tabletop { position: relative; isolation: isolate; margin: 0.8rem 0 1.25rem; padding: clamp(0.65rem, 2vw, 1.1rem); border: 2px solid #aa8b69; border-radius: 1.5rem; background: linear-gradient(175deg, #f3e4c8 0%, #dfc6a2 65%, #c6a47b 100%); box-shadow: 0 0.55rem 0 #a9805d, 0 1rem 1.5rem #46352130; }
.sk-magnet-materials .sort-tabletop::before { content: ""; position: absolute; inset: 0.55rem; z-index: -1; border: 1px solid #ead8bb; border-radius: 1.1rem; box-shadow: inset 0 0.3rem 0 #fff5df80; pointer-events: none; }
.sk-magnet-materials .sort-pieces { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 9rem), 1fr)); gap: clamp(0.25rem, 1vw, 0.8rem); padding: 0.25rem 0 0.6rem; }
.sk-magnet-materials .sort-piece { display: flex; flex-direction: column; align-items: center; justify-content: flex-end; gap: 0.35rem; min-width: 0; min-height: 8.5rem; padding: 0.55rem 0.25rem; color: #294b4d; background: transparent; border: 2px solid transparent; box-shadow: none; }
.sk-magnet-materials .sort-piece:disabled { color: #294b4d; background: transparent; border-color: transparent; box-shadow: none; cursor: default; }
.sk-magnet-materials .sort-piece:hover:not(:disabled) { background: #fff7e188; border-color: #977a5c; }
.sk-magnet-materials .sort-piece:active:not(:disabled) { transform: none; box-shadow: none; }
.sk-magnet-materials .sort-object { position: relative; display: block; flex: none; width: min(4.5rem, 100%); aspect-ratio: 15 / 14; filter: drop-shadow(0 0.5rem 0.2rem #51433055); }
.sk-magnet-materials .sort-object::before, .sk-magnet-materials .sort-object::after { content: ""; position: absolute; display: block; }
.sk-magnet-materials :is([data-sort-card="steelClip"], [data-sort-object="steelClip"]) .sort-object::before { inset: 0.25rem 1rem 0.3rem 1.1rem; border: 0.42rem solid #789099; border-radius: 1.25rem; background: #f5f5ec; box-shadow: inset 0.12rem 0.12rem 0 #f8ffff, 0.12rem 0.12rem 0 #526a73; transform: rotate(20deg); }
.sk-magnet-materials :is([data-sort-card="steelClip"], [data-sort-object="steelClip"]) .sort-object::after { inset: 1.1rem 1.55rem 0.25rem 1.55rem; border: 0.28rem solid #acbec2; border-bottom-color: transparent; border-radius: 0.8rem; transform: rotate(20deg); }
.sk-magnet-materials :is([data-sort-card="aluminiumTab"], [data-sort-object="aluminiumTab"]) .sort-object::before { inset: 0.8rem 0.35rem 0.7rem; border: 0.2rem solid #6e8791; border-radius: 0.35rem; background: linear-gradient(145deg, #f0f5ef 0%, #b8cbcf 45%, #8fa7ad 100%); box-shadow: 0 0.35rem 0 #687f86; transform: skewY(-6deg); }
.sk-magnet-materials :is([data-sort-card="aluminiumTab"], [data-sort-object="aluminiumTab"]) .sort-object::after { inset: 1.25rem 1rem auto 0.85rem; height: 0.2rem; border-radius: 1rem; background: #f9ffff; transform: skewY(-6deg); }
.sk-magnet-materials :is([data-sort-card="woodBlock"], [data-sort-object="woodBlock"]) .sort-object::before { inset: 0.55rem 0.8rem 0.55rem 0.8rem; border: 0.18rem solid #95643b; border-radius: 0.35rem; background: repeating-linear-gradient(155deg, #d7a36c 0 0.55rem, #c48b57 0.56rem 0.65rem); box-shadow: 0.4rem 0.4rem 0 #9e6b43, inset 0 0.25rem 0 #f0c493; transform: skewY(-5deg); }
.sk-magnet-materials :is([data-sort-card="woodBlock"], [data-sort-object="woodBlock"]) .sort-object::after { inset: 0.35rem 0.9rem auto 0.75rem; height: 0.35rem; border-radius: 0.4rem; background: #efd0a2; transform: skewY(-5deg); }
.sk-magnet-materials :is([data-sort-card="plasticButton"], [data-sort-object="plasticButton"]) .sort-object::before { inset: 0.4rem 0.55rem 0.45rem; border: 0.25rem solid #89639a; border-radius: 50%; background: radial-gradient(circle at 36% 35%, #edd8f3, #c49bd2 70%); box-shadow: 0 0.38rem 0 #866197, inset 0 0.25rem 0 #f8e9fb; }
.sk-magnet-materials :is([data-sort-card="plasticButton"], [data-sort-object="plasticButton"]) .sort-object::after { inset: 1.45rem 1.65rem; background: radial-gradient(circle, #765286 0 0.15rem, transparent 0.17rem) 0 0 / 0.65rem 0.65rem; }
.sk-magnet-materials .sort-object-name { display: block; max-width: 100%; padding: 0.18rem 0.35rem; border-radius: 0.55rem; background: #fff9eacc; line-height: 1.25; overflow-wrap: anywhere; }
.sk-magnet-materials .sort-piece[data-selected="true"] { background: #f5fff0; border-color: #287366; box-shadow: 0 0.55rem 0 #79a68b, 0 0.9rem 0.9rem #245c4a38; transform: translateY(-0.4rem); outline: 3px solid #287366; outline-offset: 2px; }
.sk-magnet-materials .sort-piece[data-sorted="true"] { visibility: hidden; pointer-events: none; }
.sk-magnet-materials .sort-selection { min-height: 2rem; margin: 0.15rem 0 0.55rem; padding: 0.25rem 0.55rem; color: #245c50; font-weight: 700; }
.sk-magnet-materials .sort-trays { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0.65rem; margin: 0.3rem 0 0.15rem; }
.sk-magnet-materials .sort-tray { min-width: 0; min-height: 8rem; padding: 0.6rem; background: #d4e7db; border: 0.2rem solid #80a48c; border-radius: 1.2rem; box-shadow: inset 0 0.45rem 0 #b8d2be, 0 0.4rem 0 #698575, 0 0.65rem 0.8rem #294e3822; }
.sk-magnet-materials .sort-tray[data-tray-shell="no-visible-motion"] { background: #e8e0cf; border-color: #b4a181; box-shadow: inset 0 0.45rem 0 #d8cbb5, 0 0.4rem 0 #918269, 0 0.65rem 0.8rem #55473122; }
.sk-magnet-materials .sort-tray h4 { margin: 0 0 0.4rem; color: #264b48; font-size: 1rem; line-height: 1.25; overflow-wrap: anywhere; }
.sk-magnet-materials .sort-tray-well { display: flex; flex-wrap: wrap; align-content: flex-start; align-items: flex-start; gap: 0.35rem; min-height: 4.7rem; padding: 0.45rem; border: 2px dashed #759c83; border-radius: 0.8rem; background: #fcfff2a6; color: #476159; overflow-wrap: anywhere; }
.sk-magnet-materials .sort-tray button { width: 100%; min-height: 3rem; margin-top: 0.45rem; padding: 0.45rem 0.6rem; background: #f6faf1; color: #244d4a; border-color: #507d70; box-shadow: 0 3px 0 #61816e; }
.sk-magnet-materials .sort-token { display: inline-flex; flex-wrap: wrap; justify-content: center; align-items: center; gap: 0.15rem; max-width: 100%; min-width: 0; padding: 0.15rem 0.4rem 0.15rem 0.1rem; border: 1px solid #9bb3a0; border-radius: 0.7rem; background: #fffdf4; box-shadow: 0 0.2rem 0 #b5c9b4; color: #294b4d; font-size: 0.88rem; font-weight: 650; line-height: 1.2; overflow-wrap: anywhere; }
.sk-magnet-materials .sort-token .sort-object { width: 4.5rem; height: 4.2rem; transform: scale(0.4); transform-origin: center; margin: -1.2rem -1.4rem; }
.sk-magnet-materials .sort-token > span:last-child { min-width: 0; overflow-wrap: anywhere; }
.sk-magnet-materials .feedback, .sk-magnet-materials .conclusion { margin: 0 clamp(1rem, 3vw, 1.75rem) 1.5rem; padding: 1.25rem; background: #e5f2e6; border: 1px solid #a4c8a9; border-radius: 1.2rem; }
.sk-magnet-materials .feedback { border-left: 0.35rem solid #51876a; }
.sk-magnet-materials .notice { padding: 0 clamp(1rem, 3vw, 1.75rem); color: #74440e; }
.sk-magnet-materials .notice:empty { margin: 0; padding: 0; }
.sk-magnet-materials footer { margin: 1.5rem 0 0; }
.sk-magnet-materials details { padding: 1rem; border: 1px solid #b4cbbd; border-radius: 1rem; background: #e5efe7; font-size: 0.9rem; }
.sk-magnet-materials summary { cursor: pointer; min-height: 44px; align-content: center; font-weight: 650; }
.sk-magnet-materials details p:last-child { margin-bottom: 0; }
@media (max-width: 36rem) {
.sk-magnet-materials .specimen-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.sk-magnet-materials .journey { gap: 0.35rem; }
.sk-magnet-materials .journey li { font-size: 0.8rem; padding: 0.25rem 0.5rem; }
.sk-magnet-materials .activity { border-radius: 1.1rem; }
.sk-magnet-materials .movement-buttons { flex-wrap: wrap; }
.sk-magnet-materials .movement-buttons button { min-width: 6rem; }
.sk-magnet-materials .sort-trays { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0.5rem; }
.sk-magnet-materials .sort-tray { padding: 0.4rem; }
.sk-magnet-materials .sort-tray button { padding: 0.55rem 0.3rem; }
}
@media (max-width: 20rem) { .sk-magnet-materials .sort-trays { grid-template-columns: 1fr; } }
@media (max-width: 20rem) { .sk-magnet-materials .prediction-choices { grid-template-columns: 1fr; } }
@media (prefers-reduced-motion: reduce) { .sk-magnet-materials *, .sk-magnet-materials *::before, .sk-magnet-materials *::after { scroll-behavior: auto !important; transition: none !important; animation: none !important; } .sk-magnet-materials button:active:not(:disabled) { transform: none; } }
@media (forced-colors: active) { .sk-magnet-materials .activity, .sk-magnet-materials .chapter-badge, .sk-magnet-materials .journey li, .sk-magnet-materials .feedback, .sk-magnet-materials .conclusion, .sk-magnet-materials .sort-tray { border: 1px solid CanvasText; box-shadow: none; } .sk-magnet-materials button { border: 2px solid ButtonText; box-shadow: none; } .sk-magnet-materials .specimen-grid button[aria-pressed="true"], .sk-magnet-materials .sort-piece[data-selected="true"], .sk-magnet-materials .prediction-choices button[aria-pressed="true"] { outline: 3px solid Highlight; } .sk-magnet-materials canvas { forced-color-adjust: none; } }