/* Connected pond UI: fixed overlays never reserve rows or move the world. */
.best-score{position:absolute;top:max(27px,calc(env(safe-area-inset-top) + 10px));left:50%;transform:translateX(-50%);max-width:50%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;z-index:3;color:#f0f4e8;font-size:11px;font-variant-numeric:tabular-nums;text-shadow:0 1px 5px #001815}
:root{color-scheme:dark;--cream:#eaf0d9;--muted:#bcccb9;--gold:#f0d79f;--bx:46px;--by:98px;--bs:298px;--tx:40px;--ty:525px;--tw:310px;--th:90px;--digit-h:34px}
*{box-sizing:border-box}html,body{margin:0;width:100%;height:100%;overflow:hidden;background:#112b27;color:var(--cream);font-family:"Microsoft YaHei",system-ui,sans-serif;overscroll-behavior:none}button,select,input{font:inherit;color:inherit}button{cursor:pointer;touch-action:manipulation;-webkit-tap-highlight-color:transparent;transition:transform .16s cubic-bezier(.2,.8,.2,1),background .18s ease-out}button:active{transform:scale(.96)}button:focus-visible,select:focus-visible,input:focus-visible,summary:focus-visible,#board:focus-visible{outline:2px solid #f1d899;outline-offset:3px}[hidden]{display:none!important}p{margin:0}button{min-width:44px;min-height:44px}#c{position:fixed;inset:0;display:block;width:100%;height:100%;touch-action:manipulation}#edge-shade{position:fixed;inset:0;pointer-events:none;background:radial-gradient(ellipse at 50% 45%,transparent 40%,#09251e26 95%)}#game{position:fixed;inset:0;pointer-events:none}#game button,#board,#game select,#game input,dialog{pointer-events:auto}
.glass{border-radius:20px}#masthead{position:absolute;left:max(var(--hud-inset,15px),env(safe-area-inset-left));top:max(16px,env(safe-area-inset-top));width:139px;padding:0 12px 6px;z-index:3;text-align:center}.mode-tabs{display:flex;border-bottom:1px solid #e1e8c638;height:33px}.mode-tabs button{flex:1;min-width:0;min-height:30px;padding:0;border:0;background:none;font-size:12px;color:#a7b8a8;position:relative}.mode-tabs button[aria-pressed=true]{color:#eff2df}.mode-tabs button[aria-pressed=true]::after{content:"";position:absolute;bottom:-1px;left:11px;right:11px;border-bottom:2px solid #dce9bc}.score{height:38px;display:flex;justify-content:center;align-items:center;padding-top:4px;color:#f0f2df;font-variant-numeric:tabular-nums}#score{display:inline-flex;align-items:center;transform-origin:50% 70%;font-size:29px;font-weight:400;letter-spacing:.015em;line-height:var(--digit-h)}.score-digit{display:inline-block;width:.62em;height:var(--digit-h);overflow:hidden;text-align:center}.score-wheel{display:block;will-change:transform}.score-wheel>span{display:block;height:var(--digit-h);line-height:var(--digit-h)}.score-comma{width:.25em}.sr-only{position:absolute!important;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.weather-button{position:absolute;right:max(var(--hud-inset,16px),env(safe-area-inset-right));top:max(16px,env(safe-area-inset-top));width:48px;height:57px;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:7px;gap:1px;z-index:6}.weather-button svg{width:26px;height:26px;fill:none;stroke:currentColor;stroke-width:1.2}.weather-button span{font-size:11px;line-height:10px}#weather-panel{position:absolute;z-index:7;right:var(--hud-inset,16px);top:83px;width:224px;padding:16px;pointer-events:auto}#weather-panel h2{font-size:17px;font-weight:400;margin:0 0 13px}#weather-panel label{display:flex;justify-content:space-between;align-items:center;margin:9px 0;font-size:12px}#weather-close{display:block;margin:7px auto 0;border:0;background:none;font-size:12px}
#tray-area{position:absolute;left:var(--tx);top:var(--ty);width:var(--tw);height:var(--th)}.tray-label{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0)}#tray{display:flex;width:100%;height:100%;gap:0}.slot{touch-action:none;flex:1;min-width:0;position:relative;background:transparent;border:0;box-shadow:none;padding:0;overflow:visible;border-radius:20px}.slot .shape-name{opacity:0;position:absolute;left:0;right:0;bottom:-8px;font-size:9px;text-shadow:0 1px 5px #03281b}.slot.active{outline:1px solid #e6f2c24d;outline-offset:-2px;background:#d5f6bd07}.slot.active .shape-name,.slot:focus-visible .shape-name{opacity:1}.slot.used{color:#c7d8b8}.slot:hover{background:#d6f5c10a}#hint{position:absolute;top:calc(var(--ty) + var(--th) + 12px);left:var(--tx);width:var(--tw);font-size:10px;text-align:center;letter-spacing:.03em;color:#d0dcc2;text-shadow:0 1px 6px #002a1b;opacity:0;transition:opacity .2s ease-out}body:has(#board.selected) #hint{opacity:1}.idle-mode #board,.idle-mode #tray-area{pointer-events:none}.idle-mode #tray-area{opacity:.60}
.leisure-toggle{position:absolute;left:50%;bottom:max(16px,env(safe-area-inset-bottom));transform:translateX(-50%);min-width:62px;height:38px;min-height:38px;padding:5px 12px;display:flex;align-items:center;justify-content:center;gap:9px;border-radius:24px;z-index:5}.leisure-toggle:active{transform:translateX(-50%) scale(.95)}.sound-bars{font-family:monospace;letter-spacing:-2px;color:#d5e7bd;font-size:15px}#leisure-panel{position:absolute;left:50%;bottom:max(15px,env(safe-area-inset-bottom));width:min(480px,calc(100vw - 24px));padding:5px 16px 18px;translate:-50% 0;z-index:5;pointer-events:auto;border-radius:23px}#leisure-close{display:block;margin:0 auto;padding:0 12px;min-height:34px;font-size:11px;border:0;background:none;color:#d1ddc6}.leisure-tools{display:flex;justify-content:space-evenly;gap:12px;margin:10px 0 18px}.leisure-tools>button{display:flex;flex-direction:column;align-items:center;gap:4px;border:0;background:none;font-size:12px;font-weight:400;min-width:64px}.leisure-tools span{font-size:29px;line-height:32px}.leisure-tools b{font-weight:400}.audio-caption{display:flex;align-items:center;gap:12px;border-bottom:1px solid #d5e5bf55;padding:0 3px 12px;font-size:12px;letter-spacing:.05em}.audio-caption #pause{margin-left:auto;border:0;background:none;font-size:19px;min-height:36px}.volume-label{display:flex;align-items:center;gap:24px;margin:16px 3px 12px;font-size:11px}input[type=range]{flex:1;min-width:0;accent-color:#d4e6b6;height:24px;touch-action:auto}.drawer-note{font-size:10px;color:#aebfae;text-align:center;margin-top:13px;letter-spacing:.04em}
#notice{position:absolute;left:var(--bx);top:calc(var(--by) + var(--bs) + 18px);width:var(--bs);text-align:center;font-size:11px;color:#f1e4b5;text-shadow:0 1px 8px #00291e;pointer-events:none}#floating-score{position:absolute;left:var(--bx);top:calc(var(--by) + var(--bs)*.35);width:var(--bs);text-align:center;color:#f5e7b6;text-shadow:0 2px 12px #082c1d;pointer-events:none;transform-origin:center}#reward-delta{display:block;font-size:27px;font-weight:500;letter-spacing:.04em}.reward-tags{display:flex;justify-content:center;gap:7px;margin-top:6px}.reward-tags>span{border:1px solid #eff0c56b;border-radius:20px;background:#173c2cbd;padding:4px 9px;font-size:12px;box-shadow:0 2px 10px #08261b4d}#floating-score[data-level=high] #reward-delta{font-size:37px;color:#fff1b7}#floating-score[data-level=medium] #reward-delta{font-size:32px}
#loader{position:fixed;inset:0;z-index:20;background:radial-gradient(ellipse at 50% 40%,#284a36,#112d2b);display:flex;align-items:center;justify-content:center;flex-direction:column;transition:opacity .5s ease-out}#loader h2{font:30px "SimSun",serif;letter-spacing:.25em;margin:18px 0 26px}#loadmsg{font-size:12px;letter-spacing:.12em;color:#c4d0b7}.load-emblem{font-size:52px;color:#aabd80;transform:rotate(-25deg)}.load-track{width:180px;height:1px;background:#82946a33;margin-top:24px}#loadbar{height:100%;background:#c6cf9f;width:0;transition:width .3s ease-out}.load-sub{margin-top:22px;font-size:10px;color:#9ab59d}dialog{border:1px solid #bacba166;border-radius:22px;width:min(354px,calc(100vw - 30px));max-height:calc(100dvh - 24px);overflow-y:auto;color:var(--cream);padding:0;}dialog::backdrop{background:#021d166b;backdrop-filter:blur(5px)}.dialog-inner{padding:24px 24px 22px}dialog h2{font:26px "SimSun",serif;letter-spacing:.13em;margin:12px 0 14px}.eyebrow{font-size:8px;letter-spacing:.18em;color:#a5bda3}#menu-copy{font-size:12px;line-height:1.7;color:#c9d5bc}#settings-fields{margin-top:19px}#settings-fields label{display:flex;align-items:center;justify-content:space-between;font-size:12px;margin:12px 0}select,dialog button{background:#42644666;border:1px solid #c6d6b45c;border-radius:9px;padding:9px 12px;min-height:44px}select{max-width:139px;font-size:12px}details{font-size:11px;color:#bfceb7;line-height:1.9;margin-top:16px}summary{cursor:pointer;padding:8px 0}details p{margin:9px 0}.menu-actions{display:flex;flex-direction:column;gap:9px;margin-top:21px}.primary{background:#d0deb4!important;color:#19382a;border-color:#d2e3ba!important}.storage-warning{font-size:11px;color:#eed69a;line-height:1.7;margin-top:12px}#toast{position:fixed;bottom:62px;left:50%;transform:translateX(-50%);padding:10px 16px;background:#163e32ed;border:1px solid #c7d59f55;border-radius:10px;font-size:12px;text-align:center;pointer-events:none;opacity:0;z-index:30}
.compact #masthead{width:120px;top:10px;--digit-h:28px}.compact #score{font-size:24px}.compact .mode-tabs{height:28px}.compact .weather-button{top:10px;height:48px}.compact #leisure-panel{width:330px;bottom:12px;padding-bottom:12px}.compact .leisure-tools{margin:3px 0 5px}.compact .leisure-tools span{font-size:22px;line-height:25px}.compact .drawer-note{display:none}.compact .volume-label{margin:9px 0 3px}.compact #hint{display:none}.compact #weather-panel{top:65px}.compact #floating-score{font-size:20px}.compact .reward-tags>span{font-size:10px;padding:3px 6px}.compact #reward-delta{font-size:25px}
body[data-reduced=true] button{transition-duration:.06s}body[data-reduced=true] #floating-score{transform:none!important}
@media(prefers-reduced-motion:reduce){#loader,.cell::after,#hint{transition-duration:.06s}}

#score-tick{position:absolute;right:8px;top:40px;font-size:11px;color:#f3e6b3;text-shadow:0 1px 5px #123d2e;transform:translateX(100%)}
#score{font-size:min(29px,calc(103px / var(--score-columns,3)))}.compact #score{font-size:min(24px,calc(88px / var(--score-columns,3)))}
.compact #masthead{left:max(12px,calc(var(--bx) - 140px))}.compact .weather-button{right:auto;left:calc(var(--bx) + var(--bs) + 14px)}
/* Bridge layout owns all coordinates. Only real controls receive input. */
#masthead{padding:0;border-radius:22px;pointer-events:none;}
#masthead .score{height:100%;padding:0}#score{font-size:min(29px,calc(96px / var(--score-columns,3)))}.compact #score{font-size:min(27px,calc(70px / var(--score-columns,3)))}
.pause-button{position:absolute;padding:0;font-size:22px;z-index:6;min-width:44px;min-height:44px;border-radius:50%;color:#eef3df}
.weather-button{padding:4px;border-radius:50%;min-width:44px;min-height:44px;gap:0}.weather-button svg{width:23px;height:23px}.weather-button span{line-height:5px}
#tray{display:block;position:relative}#tray .slot{position:absolute;flex:none}.slot.active{outline:none;box-shadow:none;background:transparent}
#floating-score{display:flex;align-items:center;justify-content:center;gap:7px;font-size:20px;pointer-events:none}#reward-delta{font-size:22px}.reward-tags{display:flex;gap:4px}.reward-tags>span{font-size:10px;padding:3px 5px;white-space:nowrap}.compact #floating-score{flex-wrap:wrap}.compact #reward-delta{font-size:21px}
#leisure-panel,#weather-panel{right:auto;bottom:auto;translate:none;max-height:calc(100dvh - 24px);overflow:auto}#leisure-panel{padding:3px 16px 12px}#leisure-panel .mode-tabs{height:31px}#leisure-panel .leisure-tools{margin:7px 0 9px}#leisure-panel .audio-caption{padding-bottom:7px}#leisure-panel .volume-label{margin:10px 3px 8px}.drawer-note{margin-top:6px}
#leisure-toggle{bottom:auto;transform:none;min-height:44px;padding:5px 12px}#leisure-toggle:active{transform:scale(.95)}#weather-panel label{min-height:44px}#weather-panel select{max-width:150px;min-height:38px}
#notice{top:auto;bottom:76px;left:24px;right:24px;font-size:11px;pointer-events:none}#score-tick{top:-12px;right:0}
/* Native DOM interaction and one WAAPI panel owner; no imported UI RAF. */
#weather-panel{padding:12px 14px}#weather-panel h2{font-size:15px;margin:0 0 8px}.environment-choices{display:grid;gap:5px}.environment-choices.phases{grid-template-columns:repeat(3,1fr);margin-bottom:8px}.environment-choices.weathers{grid-template-columns:repeat(3,1fr)}.environment-choices button{border:1px solid #e5f1dc24;background:#c5dace0b;border-radius:11px;font-size:12px;min-width:0;padding:0 4px;min-height:44px}.environment-choices button[aria-pressed=true],.leisure-tools button[aria-pressed=true]{background:#d4e6c529;border-color:#eff5d88a;box-shadow:inset 0 1px #ffffff24}#weather-close{min-height:37px;margin:2px auto 0}#weather svg{display:none}#weather span{font:25px/30px system-ui}
#leisure-panel{padding:0 12px 8px}.drawer-heading{display:flex;align-items:center;justify-content:space-between;height:44px}.drawer-heading>button{border:0;background:none;min-height:44px;padding:0 6px}#leisure-close{min-height:44px;margin:0;font-size:11px}#leisure-panel .leisure-tools{gap:5px;margin:0 0 2px}.leisure-tools>button{border:1px solid transparent;border-radius:12px;gap:1px;min-width:0;min-height:50px;flex:1;font-size:11px;padding:2px}.leisure-tools span{font:23px/25px system-ui}.music-row{display:flex;align-items:center;gap:1px;height:44px;border-top:1px solid #d5e4d027;border-bottom:1px solid #d5e4d027}.music-row button{border:0;background:none;padding:0;min-width:38px;width:38px;min-height:44px;font-size:21px}.music-row button:disabled{opacity:.34;cursor:default}.music-row button:disabled:active{transform:none}#music-title{font-size:10px;flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;padding:0 4px}.bus-controls{display:grid;grid-template-columns:1fr;gap:0;padding:2px 4px}.bus-controls label{display:flex;align-items:center;gap:14px;min-height:29px;font-size:10px}.bus-controls input{height:28px;min-width:0;flex:1}.bus-controls label:has(input:focus-visible){outline:none}.drawer-note{font-size:9px;margin:1px 0 0}.idle-mode #tray-area{opacity:1}.compact #leisure-panel .leisure-tools span{font-size:22px;line-height:24px}.compact #leisure-panel .volume-label{margin:0}
#weather-close{min-height:44px}.music-row button{min-width:44px;width:44px}.bus-controls{grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;padding:8px 4px 0}.bus-controls label{display:flex;flex-direction:column;gap:0;font-size:11px;min-width:0}.bus-controls input{height:44px;min-height:44px;width:100%;flex:auto}.drawer-note{line-height:1.6}
#leisure-panel,#weather-panel{z-index:20}