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p{white-space:pre-wrap;color:var(--muted-foreground);margin-top:7px;font-size:14px;line-height:1.65}.example{background:var(--muted);border-radius:9px;margin-top:12px;padding:10px}.example small{color:var(--muted-foreground);letter-spacing:.08em;text-transform:uppercase;margin-bottom:5px;font-size:10px;font-weight:700;display:block}.example-move{color:var(--foreground);cursor:pointer;background:0 0;border:0;padding:3px 5px;font-size:13px;font-weight:700}.example-move:hover{color:var(--primary)}.example-move:disabled{opacity:.35;cursor:not-allowed}.hint{border:1px solid var(--stage-learn);margin-bottom:20px}@supports (color:color-mix(in lab,red,red)){.hint{border:1px solid color-mix(in srgb,var(--stage-learn) 35%,transparent)}}.hint{background:var(--stage-learn);border-radius:12px}@supports (color:color-mix(in lab,red,red)){.hint{background:color-mix(in srgb,var(--stage-learn) 12%,transparent)}}.hint{padding:16px 18px}.hint small{color:var(--muted-foreground);letter-spacing:.08em;text-transform:uppercase;font-size:10px;font-weight:700;display:block}.hint strong{color:var(--stage-learn);margin-top:2px;font-size:30px;display:block}.feedback{min-height:28px;color:var(--foreground);margin-bottom:18px;font-size:13px}@media(max-width:980px){.study-grid{grid-template-rows:auto auto auto;grid-template-columns:1fr}.board-stage,.board-controls{grid-column:1}.board-stage{grid-row:1;max-width:620px;margin-inline:auto}.board-controls{grid-row:2}.lesson-panel,.practice-panel{grid-area:3/1;height:auto;min-height:0}.lesson-scroll{max-height:620px}}@media(max-width:520px){.course-card-body{gap:.875rem;padding:1.25rem}.position-thumbnail{width:88px}.chess-board{border-width:3px;border-radius:7px}.study-grid{gap:20px}.lesson-scroll{max-height:520px}}@media(prefers-reduced-motion:reduce){*,:before,:after{scroll-behavior:auto!important;transition-duration:.01ms!important;animation-duration:.01ms!important;animation-iteration-count:1!important}}@property --tw-translate-x{syntax:"*";inherits:false;initial-value:0}@property --tw-translate-y{syntax:"*";inherits:false;initial-value:0}@property --tw-translate-z{syntax:"*";inherits:false;initial-value:0}@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-space-y-reverse{syntax:"*";inherits:false;initial-value:0}@property --tw-border-style{syntax:"*";inherits:false;initial-value:solid}@property --tw-leading{syntax:"*";inherits:false}@property --tw-font-weight{syntax:"*";inherits:false}@property --tw-tracking{syntax:"*";inherits:false}@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-backdrop-blur{syntax:"*";inherits:false}@property --tw-backdrop-brightness{syntax:"*";inherits:false}@property --tw-backdrop-contrast{syntax:"*";inherits:false}@property --tw-backdrop-grayscale{syntax:"*";inherits:false}@property --tw-backdrop-hue-rotate{syntax:"*";inherits:false}@property --tw-backdrop-invert{syntax:"*";inherits:false}@property --tw-backdrop-opacity{syntax:"*";inherits:false}@property --tw-backdrop-saturate{syntax:"*";inherits:false}@property --tw-backdrop-sepia{syntax:"*";inherits:false}@property --tw-duration{syntax:"*";inherits:false}@property --tw-ease{syntax:"*";inherits:false}