.chess-card{overflow:hidden}.routine-board-wrap{margin:19px 0}.routine-board,.training-board{position:relative;display:grid;grid-template-columns:repeat(8,1fr);aspect-ratio:1;isolation:isolate;border-radius:5px;overflow:hidden;background:#e8e8e8}.routine-square,.training-square{position:relative;border:0;border-radius:0;background:#e9e9e9;aspect-ratio:1;padding:0;min-width:0;color:#646464}.routine-square.dark,.training-square.dark{background:#8e8e8e}.routine-square .rank,.training-square .rank{position:absolute;top:2px;left:3px;font-size:8px;line-height:1}.routine-square .file,.training-square .file{position:absolute;right:3px;bottom:2px;font-size:8px;line-height:1}.routine-square.dark small,.training-square.dark small{color:#f3f3f3}.routine-piece,.training-piece{position:absolute;z-index:2;width:12.5%;height:12.5%;font-family:Georgia,'Times New Roman',serif;font-size:clamp(22px,2.6vw,36px);line-height:1;display:grid;place-items:center;background:transparent;border:0;border-radius:4px;color:#181818;text-shadow:0 1px 1px #ffffff;left:calc(var(--tx)*12.5%);top:calc(var(--ty)*12.5%);padding:0}.routine-piece:hover{background:#c8c8c888}.routine-piece.arrived{background:#c4c4c499}.routine-piece small{position:absolute;font:700 8px/1 system-ui;right:1px;top:1px;color:#181818}.piece-move{animation:routine-piece-move 950ms cubic-bezier(.22,.6,.3,1) both}.task-chess-piece{display:inline-flex;align-items:center;gap:4px;color:#707070;font-size:10px}.task-chess-piece::first-letter{font-size:16px}.tip-collection{border-top:1px solid #e7e7e7;padding-top:14px;margin-top:15px}.tip-collection>b{font-size:11px;display:block;margin-bottom:12px}.tip-collection>button{width:100%;border:1px solid #e5e5e5;background:#f9f9f9;border-radius:9px;display:flex;gap:10px;align-items:center;text-align:left;padding:10px;margin:6px 0;font-size:11px}.tip-collection>button>span:first-child{font:26px Georgia;color:#7a7a7a}.tip-collection>button>span:nth-child(2){flex:1;overflow-wrap:anywhere}.tip-collection small{display:block;font-size:9px;line-height:1.5;color:#848484;margin-top:4px}.chess-footnote{font-size:10px;color:#888888;line-height:1.7;margin:16px 0 0}.board-pages{display:flex;justify-content:center;gap:15px;align-items:center;margin:-5px 0 15px;font-size:10px}.board-pages button{border:1px solid #e3e3e3;border-radius:5px;background:#fafafa;padding:4px 9px}.board-pages button:disabled{opacity:.3}#chessRewardDialog{width:min(480px,calc(100% - 24px));padding:25px}.earned-for{font-size:11px;background:#f1f1f1;color:#686868;border-radius:7px;padding:10px 12px;line-height:1.6;margin:0 0 15px;overflow-wrap:anywhere}.lesson-tip{font-size:13px;line-height:1.85;margin:0 0 18px}.training-board{width:min(100%,320px);margin:0 auto;border:5px solid #ededed;box-shadow:0 5px 15px #1818180a}.training-square{cursor:pointer}.training-square:focus-visible{outline:3px solid #181818;outline-offset:-3px;z-index:3}.training-square.destination{box-shadow:inset 0 0 0 2px #828282}.training-square.origin.chosen{background:#c9c9c9}.target-dot{position:absolute;width:24%;height:24%;border-radius:50%;background:#888888aa;top:38%;left:38%}.training-piece{pointer-events:none;font-size:36px;z-index:2}.demo-moving{animation:training-piece-move 1.3s .25s cubic-bezier(.25,.65,.25,1) both}.move-label{display:flex;justify-content:space-between;align-items:center;width:min(100%,320px);margin:12px auto;font-size:11px;color:#7a7a7a}.move-label b{color:#181818;font-weight:600}.move-label span{letter-spacing:1px;font-weight:600}.practice-feedback{background:#f5f5f5;border:1px solid #e6e6e6;border-radius:9px;padding:12px;font-size:12px;line-height:1.7;min-height:63px;margin:14px 0;color:#5f5f5f}.chess-actions{display:flex;gap:10px}.chess-actions .button{flex:1;padding:11px 8px;font-size:11px}.chess-source{font-size:9px;color:#828282;display:inline-block;margin-top:10px;text-decoration:underline}#chessRewardDialog .dialog-head{margin-bottom:12px}#chessRewardDialog h2{font-size:21px;line-height:1.3}.right-column{scroll-margin-top:15px}
@keyframes routine-piece-move{from{left:calc(var(--sx)*12.5%);top:calc(var(--sy)*12.5%);background:#c3c3c3}to{left:calc(var(--tx)*12.5%);top:calc(var(--ty)*12.5%);background:#c4c4c499}}
@keyframes training-piece-move{from{left:calc(var(--sx)*12.5%);top:calc(var(--sy)*12.5%)}to{left:calc(var(--tx)*12.5%);top:calc(var(--ty)*12.5%)}}
@media(max-width:900px){.right-column>.chess-card{grid-row:span 2}.routine-piece{font-size:27px}}
@media(max-width:650px){.routine-board-wrap{max-width:310px;margin:18px auto}.routine-piece{font-size:30px}#chessRewardDialog{padding:20px}.training-board{max-width:280px}.training-piece{font-size:30px}.chess-actions .button{font-size:10px}.right-column>.chess-card{grid-row:auto}}
/* High contrast black and white chessboard. */
.routine-square,.training-square{background:#fff;color:#111}.routine-square.dark,.training-square.dark{background:#262626}.routine-piece,.training-piece{color:#fff;-webkit-text-stroke:.6px #111;text-shadow:0 1px 1px #111}.routine-piece.arrived{background:#ffffff55}.routine-piece small{color:#111;background:#fff;border-radius:50%;padding:1px;-webkit-text-stroke:0;text-shadow:none}.training-square.destination{box-shadow:inset 0 0 0 3px #999}.target-dot{background:#999}.training-square.origin.chosen{background:#bbb}
@media(prefers-reduced-motion:reduce){.piece-move,.demo-moving{animation-duration:1ms;animation-delay:0s}}
.arena-summary{border-top:1px solid #ddd;margin-top:18px;padding-top:8px}.arena-summary .section-heading{margin:14px 0}.arena-label{font-size:8px;letter-spacing:1px;color:#777}.arena-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:7px}.arena-stats>div{background:#f1f1f1;padding:12px 7px;border-radius:8px;text-align:center}.arena-stats b{font:700 23px Manrope,system-ui}.arena-stats small{display:block;font-size:8px;color:#666;line-height:1.5;margin-top:4px}.arena-goal{font-size:10px;line-height:1.7;margin:15px 0 5px}.arena-level{display:block;font-size:10px;font-weight:600;margin:17px 0 10px}.arena-level select{display:block;font-size:11px;margin-top:7px;padding:9px}.arena-puzzle-meta{display:flex;align-items:center;justify-content:space-between;gap:7px;font-size:11px;background:#f1f1f1;border-radius:8px;padding:10px;margin:8px 0 12px}.arena-puzzle-meta span:last-child{font-weight:700}.tactic-board{width:min(100%,340px);aspect-ratio:1;display:grid;grid-template-columns:repeat(8,1fr);margin:0 auto;border:4px solid #ddd;border-radius:4px;overflow:hidden}.tactic-square{position:relative;border:0;background:white;padding:0;aspect-ratio:1;display:grid;place-items:center;min-width:0}.tactic-square.dark{background:#262626}.tactic-square .rank,.tactic-square .file{font:8px/1 system-ui;position:absolute;color:#333;z-index:2;pointer-events:none}.tactic-square .rank{left:2px;top:2px}.tactic-square .file{right:2px;bottom:2px}.tactic-square.dark small{color:#ddd}.tactic-piece{font:36px/1 Georgia,'Times New Roman',serif;pointer-events:none}.tactic-piece.white-piece{color:#fff;-webkit-text-stroke:.7px #111;text-shadow:0 1px 2px #111}.tactic-piece.black-piece{color:#111;-webkit-text-stroke:.55px #eee;text-shadow:0 1px 1px #fff}.tactic-square.chosen{box-shadow:inset 0 0 0 4px #999;background:#aaa}.tactic-square.last-move:after{content:'';position:absolute;inset:2px;border:2px solid #888;pointer-events:none}.tactic-square.hint-piece{box-shadow:inset 0 0 0 4px #aaa}.tactic-square:focus-visible{outline:3px solid #aaa;outline-offset:-3px;z-index:3}.arena-line{display:flex;gap:6px;flex-wrap:wrap;margin:10px 0 18px;font-size:10px;line-height:1.7;color:#666;min-height:24px}.arena-line span{background:#eee;padding:3px 6px;border-radius:4px;color:#111}.arena-line span.opponent-lan{background:#292929;color:#fff}.tactic-explanation{background:#f3f3f3;padding:15px;border-radius:9px;font-size:11px;line-height:1.8;margin-top:15px;overflow-wrap:anywhere}.tactic-explanation p{margin-bottom:0}.promotion-choice{display:flex;align-items:center;justify-content:center;gap:8px;font-size:11px}.promotion-choice .button{font:25px Georgia;padding:6px 10px}.chess-actions .button:disabled{opacity:.45;cursor:default}#chessRewardDialog .practice-feedback{margin-bottom:10px}.tactic-square.last-move .tactic-piece{animation:tactic-arrival .35s ease-out}@keyframes tactic-arrival{from{transform:scale(.8);opacity:.6}to{transform:scale(1);opacity:1}}
@media(max-width:650px){.tactic-board{max-width:300px}.tactic-piece{font-size:31px}.arena-puzzle-meta{font-size:10px}.arena-summary .card-desc{font-size:10px}}
@media(prefers-reduced-motion:reduce){.tactic-square.last-move .tactic-piece{animation:none}}
.bible-reading{margin-top:12px;padding:14px;background:#f5f5f5;border:1px solid #e1e1e1;border-radius:10px;font-size:11px;line-height:1.75;overflow-wrap:anywhere}.bible-reading-label{font-size:8px;letter-spacing:1.2px;color:#666;margin-bottom:5px}.bible-reading>b{font-size:14px;color:#111}.bible-reading p{margin:7px 0;color:#666}.bible-links{display:flex;gap:6px;flex-wrap:wrap}.bible-reading a{display:inline-block;text-decoration:underline;font-size:10px;color:#222}.bible-reading details{margin-top:12px;padding-top:10px;border-top:1px solid #ddd}.bible-reading summary{cursor:pointer;font-size:11px;font-weight:600;color:#222}.bible-days{display:grid;gap:5px;margin:10px 0}.bible-days>button{display:block;text-align:left;padding:9px 10px;background:#fff;border:1px solid #ddd;border-radius:7px;color:#222;line-height:1.6;width:100%}.bible-days>button.current{border-color:#333;box-shadow:inset 3px 0 #333}.bible-days>button.read{background:#e9e9e9}.bible-days span{display:block;font-size:9px;color:#777}.bible-days b{font-size:10px;font-weight:500}.bible-plan-note{font-size:9px!important}.task:has(.bible-reading){align-items:flex-start}.task:has(.bible-reading) .task-actions{flex-wrap:wrap;justify-content:flex-end;max-width:78px}.arena-gate{background:#efefef;border:1px solid #ddd;padding:12px;border-radius:9px;font-size:11px;margin-bottom:17px}.arena-gate p{font-size:10px;line-height:1.7;margin:6px 0 0;color:#666}.arena-gate.unlocked{background:#181818;border-color:#181818;color:#fff}.arena-gate.unlocked p{color:#ddd}.tip-collection>button:disabled{opacity:.6;cursor:not-allowed}.install-help{font-size:11px;line-height:1.8;background:#f5f5f5;padding:16px;border-radius:10px;margin:15px 0}.install-help p{color:#666}.install-help button{margin-top:8px}