:root{--pb-bg:#f5f5ee;--pb-paper:#fffef8;--pb-ink:#263a2e;--pb-muted:#63715d;--pb-green:#315e4e;--pb-line:#dce3d2;--pb-gold:#bc9850}*{box-sizing:border-box}body{margin:0;background:var(--pb-bg);color:var(--pb-ink);font-family:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC",sans-serif}button,a{-webkit-tap-highlight-color:transparent}button{font:inherit;cursor:pointer}button:disabled{cursor:default}a{color:inherit;text-decoration:none}button:focus-visible,a:focus-visible{outline:3px solid #72985d;outline-offset:3px}[hidden]{display:none!important}.pb-header{border-bottom:1px solid var(--pb-line);background:#fbfcf5}.pb-header-inner{max-width:1320px;margin:auto;min-height:76px;padding:12px 28px;display:flex;align-items:center;gap:26px}.pb-brand{display:flex;gap:9px;align-items:center}.pb-brand strong{font-size:25px;letter-spacing:-1.2px}.pb-nav{display:flex;align-items:center;gap:6px;flex:1}.pb-nav a{font-size:12px;padding:11px 10px;color:#5b6d57;white-space:nowrap}.pb-nav [aria-current]{display:flex;align-items:center;gap:6px;background:#e9efdf;border:1px solid #d3dec5;border-radius:9px;color:#315e4e;font-weight:700}.pb-account{display:flex;align-items:center;gap:20px;font-size:12px;white-space:nowrap}.pb-login{padding:11px 14px;border:1px solid #d3dec9;border-radius:8px}.pb-mark{display:inline-grid;width:23px;height:23px;grid-template:repeat(2,1fr)/repeat(2,1fr);gap:2px;transform:rotate(-6deg)}.pb-mark i{background:#79986a;border-radius:3px;box-shadow:inset 0 -2px #5f8051}.pb-mark i:last-child{grid-column:2;background:#c7aa60;box-shadow:inset 0 -2px #b89743}
/* The puzzle and its controls share one compact work area. */
.pb-main{max-width:1000px;padding:0 24px;margin:24px auto}.pb-intro{display:flex;justify-content:space-between;align-items:end;gap:16px;margin-bottom:18px}.pb-eyebrow{font-size:11px;font-weight:700;letter-spacing:2px;color:#708361;margin:0 0 8px}.pb-intro h1{font-size:34px;letter-spacing:-.8px;line-height:1.2;margin:0 0 6px}.pb-intro>div>p:last-child{font-size:13px;color:var(--pb-muted);line-height:1.6;margin:0}.pb-edition{font-size:11px;letter-spacing:1.2px;color:#6d805f;white-space:nowrap}.pb-edition i{display:inline-block;width:4px;height:4px;background:#95aa80;border-radius:50%;margin:0 8px 2px}.pb-layout{display:block}.pb-game-card{display:grid;grid-template-columns:minmax(280px,1fr) minmax(280px,1fr);gap:28px;align-items:center;background:var(--pb-paper);border:1px solid var(--pb-line);border-radius:18px;padding:20px;box-shadow:0 5px 0 #e5e9dc;scroll-margin-top:12px}.pb-play-surface{width:100%;max-width:390px;justify-self:center;min-width:0}.pb-play-controls{min-width:0;width:100%;max-width:400px;justify-self:center}.pb-game-top{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:12px}.pb-scoreboard{display:flex;align-items:center;gap:28px;min-width:0}.pb-scoreboard span{display:block;font-size:11px;color:#68785d;letter-spacing:.6px;margin-bottom:5px}.pb-scoreboard strong{font-size:29px;line-height:1;letter-spacing:-.7px;font-variant-numeric:tabular-nums}.pb-scoreboard b{font-weight:inherit}.pb-scoreboard small{font-size:13px;font-weight:500;color:#7c8a6f;letter-spacing:0}.pb-board-tools{display:flex;align-items:center;gap:7px;flex-shrink:0}.pb-icon-button{display:grid;place-items:center;border:1px solid #dce4ce;background:#f4f6e9;color:#617b51;border-radius:50%;width:40px;height:40px;font-weight:650;font-size:16px}.pb-icon-button svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}.pb-board-wrap{position:relative;width:min(100%,clamp(280px,calc(100svh - 420px),380px));margin:auto}.pb-board{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:5px;padding:10px;background:#dce4cf;border:1px solid #d2ddc2;border-radius:14px;aspect-ratio:1;touch-action:manipulation;user-select:none}.pb-row{display:contents}.pb-cell{border:0;border-radius:6px;background:#edf1e3;min-width:0;min-height:0;padding:0;position:relative;box-shadow:inset 0 1px 2px #6a7d5812;transition:background .12s,box-shadow .12s}.pb-cell[data-filled=true]{background:#87a172;box-shadow:inset 0 -4px #6b8958,inset 0 2px #a4bd8d;border:1px solid #789465}.pb-cell[data-preview=valid]{background:#d8c08b;box-shadow:inset 0 -4px #bd9e60,inset 0 2px #ebdcb4;border:1px solid #bda06d}.pb-cell[data-preview=invalid]{background:#dfb19b;box-shadow:inset 0 0 0 2px #ad765f}.pb-cell[data-clear=true]::after{content:"";position:absolute;inset:5px;border:1px dashed #fffdf3;border-radius:3px}.pb-cell:focus-visible{outline:3px solid #315e4e;outline-offset:-3px;z-index:1}.pb-instructions{font-size:12px;text-align:center;line-height:1.5;color:#68795d;margin:10px 0 0}.pb-keyboard-hint{display:block;font-size:11px;margin-top:4px}.pb-start{position:absolute;inset:0;background:#eef1e5d9;backdrop-filter:blur(4px);display:flex;align-items:center;justify-content:center;padding:14px;border-radius:14px;overflow:auto}.pb-start>div{text-align:center;max-width:290px;background:#fffef5ef;border:1px solid #d3ddc4;padding:20px 18px;border-radius:16px;box-shadow:0 12px 26px #45613214;margin:auto}.pb-start .pb-mark{width:29px;height:29px;margin-bottom:9px}.pb-start h2{font-size:22px;line-height:1.3;letter-spacing:-.5px;margin:0 0 10px}.pb-start p{font-size:13px;color:#607551;line-height:1.6;margin:0 0 15px}.pb-start button{display:block;margin:8px auto 0;max-width:100%}.pb-tray-heading{display:flex;flex-direction:column;gap:7px;margin-bottom:13px}.pb-tray-heading strong{font-size:17px;letter-spacing:-.2px}.pb-tray-heading>span{font-size:13px;color:#6a7b5d;line-height:1.5;min-height:20px}.pb-tray{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px}.pb-piece{border:1px solid #dce4ce;background:#f3f5e9;border-radius:11px;min-width:0;min-height:102px;padding:12px 7px 9px;display:flex;flex-direction:column;align-items:center;justify-content:space-between;gap:7px;touch-action:none;user-select:none;color:#668056}.pb-piece[aria-pressed=true]{border-color:#b29a5b;background:#fbf3dc;box-shadow:0 0 0 2px #d9c38a}.pb-piece:disabled{opacity:.55}.pb-piece[data-dragging=true]{cursor:grabbing}.pb-piece-art{display:grid;grid-template-columns:repeat(var(--shape-w,3),16px);grid-template-rows:repeat(var(--shape-h,3),16px);gap:3px;min-height:54px;align-content:center;justify-content:center}.pb-piece-art i{background:#90aa79;border:1px solid #7d9866;border-radius:3px;box-shadow:inset 0 -2px #6e8c5a}.pb-tray .pb-piece:nth-child(2) .pb-piece-art i{background:#cbb06d;border-color:#b89c59;box-shadow:inset 0 -2px #aa8c49}.pb-tray .pb-piece:nth-child(3) .pb-piece-art i{background:#84a69c;border-color:#70958a;box-shadow:inset 0 -2px #608679}.pb-piece-label{font-size:12px;color:#6e7e62;line-height:1.2;text-align:center}.pb-primary{background:#315e4e;color:#fffdf3;border:0;border-radius:9px;min-height:46px;padding:12px 20px;font-size:14px;font-weight:650;box-shadow:0 3px 0 #264b3e}.pb-primary:disabled{background:#ccd6c2;color:#687a5f;box-shadow:none}.pb-primary:hover:not(:disabled){background:#3c6c58}.pb-secondary{background:#f6f7ec;color:#48663b;border:1px solid #d4dfc6;border-radius:9px;min-height:44px;padding:10px 12px;font-size:13px;line-height:1.35;font-weight:600}.pb-secondary:disabled{color:#819075;background:#eff2e7}.pb-wide{width:100%}.pb-link-button{background:none;border:0;padding:10px 3px;min-height:44px;font-size:13px;color:#57734a;text-decoration:underline;text-underline-offset:3px}.pb-link-button:disabled{color:#94a088;text-decoration:none}.pb-confirm-row{display:flex;gap:16px;align-items:center;margin:16px 0}.pb-confirm-row .pb-primary{flex:1}.pb-pocket-tools{display:flex;align-items:center;gap:14px;border-top:1px dashed #dce3d2;padding-top:16px;margin:0 0 16px}.pb-held{width:88px;min-width:88px;min-height:98px;border-style:dashed;background:#eef2e4}.pb-held .pb-piece-art{grid-template-columns:repeat(var(--shape-w,3),13px);grid-template-rows:repeat(var(--shape-h,3),13px);gap:3px;min-height:45px}.pb-pocket-actions{flex:1;min-width:0}.pb-pocket-actions>div{display:flex;gap:8px}.pb-pocket-actions button{flex:1;min-width:0;padding:9px 7px;font-size:12px;min-height:46px}.pb-pocket-actions p{font-size:11px;line-height:1.5;color:#708262;margin:9px 0 0}.pb-save-row{display:flex;justify-content:space-between;align-items:center;gap:10px;border-top:1px dashed #dce3d2;padding:11px 0 0;font-size:12px;line-height:1.4;color:#6b7d5d;min-height:31px}.pb-save-row button{border:0;padding:4px 0;background:none;color:inherit;text-decoration:underline;font-size:12px;white-space:nowrap}.pb-save-row[data-error=true]{color:#a36346}.pb-run-banner{border:1px solid #d6dfc6;border-radius:8px;background:#edf3df;color:#5d7647;padding:11px;font-size:13px;line-height:1.5;margin:0 0 12px}
/* Collection and lifetime records remain available without consuming the play column. */
.pb-sidebar{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:15px;align-items:start;margin-top:18px}.pb-collection-card,.pb-run-card{border:1px solid var(--pb-line);background:#fffef8;border-radius:13px;min-width:0}.pb-collection-card{background:#edf1e2}.pb-collection-card>summary{display:flex;align-items:center;gap:14px;padding:17px 18px;cursor:pointer;list-style:none}.pb-collection-card>summary::-webkit-details-marker{display:none}.pb-collection-card>summary::after{content:"+";color:#6b8558;font-size:22px;line-height:1;margin-left:auto}.pb-collection-card[open]>summary::after{content:"−"}.pb-collection-card>summary>span{flex:1;min-width:0}.pb-collection-card>summary>span>strong{display:block;font-size:15px;line-height:1.4;font-weight:650}.pb-collection-card>summary>span>span{display:block;font-size:12px;color:#6b7e5b;margin-top:4px}.pb-coin-balance{font-size:25px;color:#496b3d;font-variant-numeric:tabular-nums;white-space:nowrap}.pb-collection-body{padding:0 18px 17px}.pb-collection-body>p{font-size:12px;color:#627457;line-height:1.6;margin:0 0 12px}.pb-collection-meta{display:flex;justify-content:space-between;gap:10px;margin:14px 0 10px;font-size:12px;color:#5c714f}.pb-fine{font-size:12px;line-height:1.7;color:#667a59;margin:12px 0 0!important}.pb-run-card{display:grid;grid-template-columns:1fr auto;gap:9px 13px;align-items:center;padding:13px 16px}.pb-records{display:flex;gap:22px}.pb-run-stat span{display:block;font-size:11px;color:#667a59;line-height:1.5}.pb-run-stat strong{display:block;font-size:22px;margin-top:2px}.pb-run-card>a{grid-column:1/-1;font-size:12px;color:#668055;line-height:1.5;text-decoration:underline;text-underline-offset:3px}.pb-reading{display:grid;grid-template-columns:1fr 1fr;gap:36px;border-top:1px solid #d9e0ce;margin:32px 0 0;padding:26px 3px 0}.pb-reading h2{font-size:24px;line-height:1.4;letter-spacing:-.5px;margin:0 0 13px}.pb-reading h3{font-size:16px;margin:22px 0 8px}.pb-reading p{font-size:13px;line-height:1.9;color:#5f7254;margin:0 0 10px}.pb-reading a{color:#3e6b45;font-size:13px;display:inline-block;margin:10px 0;text-decoration:underline;text-underline-offset:4px}.pb-footer{max-width:1000px;margin:24px auto;padding:0 24px 30px;display:flex;justify-content:space-between;gap:20px;font-size:12px;color:#6d7c60;line-height:1.7}.pb-footer p{margin:0}.pb-dialog{border:1px solid #d8e1cb;border-radius:18px;padding:25px;max-width:min(440px,calc(100vw - 30px));background:#fffef7;color:#30442f;box-shadow:0 20px 80px #243c3330}.pb-dialog::backdrop{background:#2b40344a;backdrop-filter:blur(3px)}.pb-dialog h2{font-size:24px;line-height:1.4;letter-spacing:-.5px;margin:0 0 14px}.pb-dialog p{font-size:13px;line-height:1.85;color:#647757}.pb-dialog-actions{display:flex;justify-content:flex-end;gap:9px;flex-wrap:wrap;margin-top:20px}.pb-toast{position:fixed;left:50%;bottom:24px;transform:translateX(-50%);background:#315e4e;color:#fffdf3;font-size:13px;line-height:1.6;padding:12px 20px;border-radius:10px;z-index:20;max-width:min(420px,90vw);text-align:center}.pb-sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap}.pb-cell[data-flash=true]{animation:pb-flash .45s ease-out}@keyframes pb-flash{0%{background:#e9d58f;transform:scale(.92)}100%{transform:scale(1)}}
@media(max-width:1060px){.pb-header-inner{flex-wrap:wrap;gap:10px 20px}.pb-nav{order:3;width:100%;flex-basis:100%;justify-content:center}.pb-account{margin-left:auto}}
@media(min-width:760px) and (max-height:800px){.pb-main{margin-top:16px}.pb-intro{margin-bottom:14px}.pb-intro h1{font-size:30px}.pb-intro .pb-eyebrow{margin-bottom:5px}.pb-game-card{padding:18px;gap:24px}.pb-tray-heading{margin-bottom:10px}.pb-confirm-row{margin:13px 0}.pb-pocket-tools{margin-bottom:13px;padding-top:13px}.pb-sidebar{margin-top:15px}}
@media(max-width:759px){
 .pb-header-inner{padding:10px 13px 0;gap:8px}.pb-brand strong{font-size:22px}.pb-brand img{width:28px;height:28px}.pb-account{gap:14px;font-size:12px}.pb-login{padding:8px 10px}.pb-nav{overflow-x:auto;justify-content:start;gap:3px;padding-bottom:8px;scrollbar-width:none}.pb-nav a{font-size:11px;padding:8px 9px}.pb-nav .pb-mark{width:17px;height:17px}
 .pb-main{padding:0 10px;margin-top:16px;max-width:520px}.pb-intro{margin:0 2px 12px}.pb-intro h1{font-size:27px}.pb-intro>div>p:last-child{font-size:12px}.pb-intro .pb-eyebrow{font-size:10px;letter-spacing:1.7px;margin-bottom:6px}.pb-edition{display:none}.pb-game-card{display:block;padding:12px 11px;border-radius:14px;scroll-margin-top:8px}.pb-play-surface{max-width:none}.pb-game-top{margin-bottom:10px;gap:12px}.pb-scoreboard{gap:22px}.pb-scoreboard span{font-size:11px;letter-spacing:0;margin-bottom:4px}.pb-scoreboard strong{font-size:25px}.pb-scoreboard small{font-size:12px}.pb-icon-button{width:38px;height:38px}.pb-board-tools{gap:6px}.pb-board-wrap{width:min(100%,clamp(228px,calc(100svh - 430px),310px))}.pb-game-card:has(.pb-start:not([hidden])) .pb-board-wrap{width:min(100%,310px)}.pb-board{gap:4px;padding:8px;border-radius:12px}.pb-cell{border-radius:5px}.pb-instructions{font-size:12px;margin:8px 0 0;line-height:1.45}.pb-keyboard-hint{display:none}
 .pb-play-controls{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:8px;max-width:none;margin-top:11px}.pb-tray-heading{grid-column:1/-1;grid-row:1;display:flex;flex-direction:row;align-items:center;gap:8px;margin:0;min-height:25px}.pb-tray-heading strong{font-size:13px;white-space:nowrap}.pb-tray-heading>span{font-size:12px;line-height:1.35;min-height:0;text-align:right}.pb-tray,.pb-pocket-tools{display:contents}.pb-tray .pb-piece{grid-row:2}.pb-tray .pb-piece:nth-child(1){grid-column:1}.pb-tray .pb-piece:nth-child(2){grid-column:2}.pb-tray .pb-piece:nth-child(3){grid-column:3}.pb-pocket-tools .pb-held{grid-row:2;grid-column:4;width:auto;min-width:0}.pb-piece,.pb-held{min-height:82px;padding:8px 3px 5px;gap:4px;border-radius:8px}.pb-piece-art,.pb-held .pb-piece-art{grid-template-columns:repeat(var(--shape-w,3),12px);grid-template-rows:repeat(var(--shape-h,3),12px);gap:2px;min-height:40px}.pb-piece-label{font-size:11px;line-height:1.2;min-height:24px;display:flex;align-items:center;justify-content:center;max-width:100%}.pb-confirm-row{grid-column:1/-1;grid-row:3;gap:12px;margin:0;min-height:44px}.pb-primary{font-size:13px;padding:10px 15px;min-height:44px}.pb-link-button{font-size:12px;min-height:44px;padding:8px 2px}.pb-pocket-actions{grid-column:1/-1;grid-row:4}.pb-pocket-actions>div{gap:8px}.pb-pocket-actions button{font-size:12px;padding:7px 8px;min-height:44px}.pb-pocket-actions p{font-size:11px;margin:6px 0 0;line-height:1.4;text-align:center}.pb-run-banner{grid-column:1/-1;grid-row:5;margin:0;font-size:12px}.pb-save-row{grid-column:1/-1;grid-row:5;padding-top:8px;font-size:11px;min-height:26px}.pb-run-banner:not([hidden])+.pb-save-row{grid-row:6}.pb-save-row button{font-size:11px;padding:2px 0}
 .pb-start{padding:11px}.pb-start>div{padding:17px 14px}.pb-start .pb-mark{width:25px;height:25px;margin-bottom:7px}.pb-start h2{font-size:21px;margin-bottom:8px}.pb-start p{font-size:12px;line-height:1.5;margin-bottom:12px}.pb-sidebar{display:block;margin-top:14px}.pb-sidebar>*+*{margin-top:10px}.pb-collection-card>summary{padding:13px 14px;gap:10px}.pb-collection-card>summary>span>strong{font-size:15px}.pb-collection-card>summary>span>span{font-size:12px}.pb-coin-balance{font-size:23px}.pb-collection-body{padding:0 14px 14px}.pb-run-card{padding:12px 14px;gap:8px 12px}.pb-records{gap:23px}.pb-run-stat strong{font-size:21px}.pb-run-card>.pb-secondary{font-size:12px;padding:9px 11px}.pb-reading{display:block;margin-top:25px;padding:23px 3px 0}.pb-reading h2{font-size:23px}.pb-reading h3{font-size:16px}.pb-reading p{font-size:13px}.pb-footer{display:block;text-align:center;padding:0 18px calc(24px + env(safe-area-inset-bottom))}.pb-footer>a{display:inline-block;margin-top:10px}.pb-toast{bottom:calc(14px + env(safe-area-inset-bottom));font-size:12px}.pb-dialog{padding:22px}.pb-dialog h2{font-size:22px}
}
@media(max-width:759px) and (max-height:740px){.pb-main{margin-top:5px}.pb-intro{margin:0 2px 5px}.pb-intro h1{margin:0;font-size:25px;line-height:1.2}.pb-intro .pb-eyebrow,.pb-intro>div>p:last-child{display:none}.pb-board-wrap{width:min(100%,228px)}.pb-piece,.pb-held{min-height:76px;padding-top:6px;padding-bottom:4px}.pb-piece-art,.pb-held .pb-piece-art{min-height:36px}.pb-piece-label{min-height:20px}.pb-game-card{padding:10px}.pb-game-card:has(.pb-start[hidden]) .pb-instructions{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap}.pb-game-card:has(.pb-start[hidden]) .pb-pocket-actions p{display:none}.pb-play-controls{margin-top:8px;gap:7px}.pb-game-top{margin-bottom:8px}.pb-tray-heading{min-height:22px}}
@media(max-width:359px){.pb-main{padding:0 8px}.pb-intro h1{font-size:25px}.pb-account{gap:9px}.pb-brand strong{font-size:20px}.pb-brand img{width:25px;height:25px}.pb-scoreboard{gap:18px}.pb-scoreboard span{font-size:10px}.pb-icon-button{width:36px;height:36px}.pb-board-tools{gap:5px}.pb-tray-heading>span{font-size:12px;max-width:180px}.pb-start h2{font-size:20px}.pb-start>div{padding:15px 12px}.pb-start p{font-size:12px}}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{animation:none!important;transition:none!important;scroll-behavior:auto!important}}

/* A passive session notice keeps the puzzle visible while ownership changes. */
.pb-session-notice{grid-column:1/-1;display:flex;align-items:center;justify-content:space-between;gap:10px;padding:9px 12px;border:1px solid #d9dfc5;border-radius:9px;background:#f1f3df;color:#5b6d44;font-size:12px;line-height:1.5;margin-bottom:-12px}.pb-session-notice>span{min-width:0}.pb-session-notice>button{flex-shrink:0;border:1px solid #bacaa7;border-radius:7px;background:#fffef5;color:#3c633e;padding:7px 10px;min-height:34px;font-size:12px;font-weight:600}.pb-session-notice>button:disabled{opacity:.6}@media(max-width:759px){.pb-session-notice{gap:8px;padding:8px 9px;margin-bottom:10px;font-size:12px}.pb-session-notice>button{max-width:42%;min-height:40px;padding:7px 8px;white-space:normal;line-height:1.3}}
@media(max-width:359px) and (max-height:740px){.pb-play-controls{gap:5px}}