:root{color-scheme:dark;--ink:#0b100e;--panel:#141c18;--line:#ffffff18;--text:#f2f1e8;--muted:#a7b1a9;--accent:#e0d0a9;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;font-size:16px;background:var(--ink);color:var(--text)}
*{box-sizing:border-box}body{margin:0}button,input,select{font:inherit}button{color:inherit;cursor:pointer;border:1px solid var(--line);background:#ffffff08;border-radius:5px;min-height:36px;padding:7px 13px;font-size:.875rem}button:hover{background:#ffffff16}button:disabled{opacity:.35;cursor:default}button:focus-visible,input:focus-visible,select:focus-visible,summary:focus-visible{outline:2px solid var(--accent);outline-offset:4px}button svg{width:19px;height:19px;vertical-align:middle}button[aria-pressed=true]{color:var(--accent);border-color:#e0d0a955;background:#e0d0a90d}h1,h2,h3,p{margin:0}h2{font-size:1.3rem;font-weight:500}h3{font-size:.875rem;font-weight:500}kbd{font-family:inherit;font-size:.75rem;letter-spacing:.025em;font-weight:400}output{font-variant-numeric:tabular-nums}[hidden]{display:none!important}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.game-shell{height:100svh;height:100dvh;min-height:480px;position:relative;isolation:isolate;overflow:hidden}.table-stage{position:absolute;inset:0;background:var(--ink)}.table-stage canvas{width:100%;height:100%;display:block;touch-action:none;cursor:crosshair}.table-stage canvas:focus{outline:none}.table-stage canvas:focus-visible{outline:1px solid #dae4be55;outline-offset:-2px}.table-stage canvas.adjusting-spin{cursor:move}.table-stage:after{content:"";position:absolute;inset:0;background:linear-gradient(#04090699,transparent 22%,transparent 72%,#040906c4);pointer-events:none}
.game-header{position:absolute;z-index:2;inset:0 0 auto;display:grid;grid-template-columns:1fr minmax(280px,400px) 1fr;align-items:start;gap:20px;padding:22px 28px 0;pointer-events:none}.brand{display:flex;align-items:center;gap:9px;opacity:.7;margin-top:8px}.brand-mark{width:24px;height:24px;border:1px solid #e0d0a950;border-radius:50%;display:grid;place-items:center;font-size:1rem}.brand h1{font-size:.875rem;letter-spacing:.19em;font-weight:500}.menu-button{justify-self:end;display:flex;align-items:center;gap:8px;border-color:#ffffff27;background:#0c130e60;pointer-events:auto;min-height:36px;border-radius:7px}.scoreboard{display:grid;grid-template-columns:minmax(0,1fr) 36px minmax(0,1fr);align-items:start;min-width:0}.player{min-width:0;border-top:1px solid transparent;padding-top:7px;opacity:.65;transition:opacity .2s,border-color .2s}.player.active{border-color:#e0d0a97a;opacity:1}.player-name{display:flex;align-items:center;gap:8px;min-height:20px;font-size:.875rem}.player-group{font-size:.75rem;line-height:1.5;color:var(--muted);margin-top:4px}.player-right{text-align:right}.player-right .player-name,.player-right .ball-rack{justify-content:flex-end}.versus{font-size:.75rem;letter-spacing:.08em;text-align:center;color:#c0c9b9;padding-top:14px;opacity:.4}.turn-tag{font-size:.75rem;color:var(--accent)}.difficulty-badge{font-size:.75rem;color:var(--muted)}.ball-rack{display:flex;gap:5px;margin-top:9px;height:12px}.rack-ball{width:11px;height:11px;border-radius:50%;background:var(--ball-color);box-shadow:inset -1px -2px 2px #0007,0 1px 3px #0005}.rack-ball.unknown{background:transparent;border:1px solid #f0f1e933;box-shadow:none}.rack-ball.striped{background:linear-gradient(#e7e7df 24%,var(--ball-color) 24% 76%,#e7e7df 76%)}.rack-ball.sunk{opacity:.17}.table-status{position:absolute;z-index:2;top:105px;left:20px;right:20px;display:flex;gap:12px;align-items:center;justify-content:center;pointer-events:none;font-size:.875rem;color:#e0e6d7;text-shadow:0 1px 4px #000;line-height:1.5}.shot-counter{font-size:.75rem;color:var(--muted);white-space:nowrap}.shot-counter b{font-weight:400}
.bottom-hud{position:absolute;inset:auto 0 0;z-index:2;pointer-events:none;display:grid;grid-template-columns:1fr auto 1fr;align-items:center;column-gap:20px;padding:0 28px max(18px,env(safe-area-inset-bottom))}.view-switch{display:flex;justify-self:start;gap:2px;pointer-events:auto;background:#0b110db8;border:1px solid #ffffff1a;border-radius:6px;padding:3px}.view-switch button{border:0;background:transparent;color:var(--muted);padding:7px 10px;white-space:nowrap}.view-switch button.selected{background:#e0d0a912;color:var(--text)}.view-switch kbd{margin-left:4px;opacity:.55}.shot-dock{pointer-events:auto;display:flex;align-items:center;gap:16px;min-width:410px;background:#101912cc;border:1px solid #ffffff16;border-radius:12px;padding:10px 13px;box-shadow:0 10px 32px #0003;backdrop-filter:blur(18px);transition:border-color .15s,opacity .25s}.shot-dock.adjusting{border-color:#e0d0a955}.spin-control{display:flex;align-items:center;gap:10px;padding-right:14px;border-right:1px solid var(--line)}.spin-pad{position:relative;flex-shrink:0;width:42px;height:42px;min-height:0;padding:0;border:1px solid #fff9;border-radius:50%;background:radial-gradient(circle at 35% 28%,#fff,#e1e0d5 68%,#9d9f92);box-shadow:inset -2px -3px 6px #0002;touch-action:none;cursor:crosshair}.spin-pad:hover{background:radial-gradient(circle at 35% 28%,#fff,#e1e0d5 68%,#9d9f92)}.spin-axis-x,.spin-axis-y{position:absolute;background:#3d4b423b;pointer-events:none}.spin-axis-x{left:12%;right:12%;height:1px;top:50%}.spin-axis-y{top:12%;bottom:12%;width:1px;left:50%}#spin-dot{position:absolute;left:50%;top:50%;width:7px;height:7px;border-radius:50%;background:#cd5145;border:1px solid #7d3025;transform:translate(-50%,-50%);pointer-events:none}.spin-readout{display:flex;flex-direction:column;gap:3px;min-width:56px;font-size:.875rem}.spin-readout button{min-height:0;padding:0;border:0;background:none;color:var(--muted);font-size:.75rem;text-align:left;align-self:flex-start;line-height:1.6}.spin-readout button:hover{color:var(--text)}.power-control{flex:1;min-width:100px;max-width:170px}.power-label{display:flex;align-items:center;justify-content:space-between;gap:25px;margin-bottom:4px;font-size:.875rem;color:var(--muted)}.power-label>span{font-size:.75rem;color:var(--text)}.power-label output{font-size:.875rem;margin-right:3px}.shot-dock[data-active=power].adjusting .power-label output,.shot-dock[data-active=spin].adjusting #spin-name{color:#f2dfb2}#power{display:block;width:100%;height:20px;margin:0;appearance:none;-webkit-appearance:none;background:linear-gradient(to right,var(--accent) var(--power,89.5%),#ffffff2b var(--power,89.5%)) center/100% 3px no-repeat;border-radius:3px;cursor:ew-resize}#power::-webkit-slider-thumb{appearance:none;-webkit-appearance:none;width:10px;height:10px;border-radius:50%;background:#f1f3e6;border:0;box-shadow:0 0 0 5px #ffffff08}#power::-moz-range-thumb{width:10px;height:10px;border-radius:50%;background:#f1f3e6;border:0}#power:disabled{opacity:.35;cursor:default}.shoot-button{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;min-width:72px;min-height:44px;padding:6px 12px;border:0;color:#17241b;background:var(--accent);border-radius:7px}.shoot-button kbd{font-size:.75rem;letter-spacing:.1em;opacity:.6}.shoot-button span{white-space:nowrap}.shoot-button:hover:not(:disabled){background:#ede0c3}.in-motion .shot-dock{opacity:.4}.in-motion .shot-dock:focus-within,.in-motion .shot-dock:hover{opacity:1}.menu-shortcuts{display:flex;flex-wrap:wrap;gap:8px 14px;font-size:.75rem;line-height:1.7;color:var(--muted);margin-top:16px}.menu-shortcuts kbd{color:var(--accent)}.table-toast{position:absolute;z-index:4;top:153px;left:50%;transform:translate(-50%,-5px);max-width:calc(100% - 40px);padding:10px 17px;border:1px solid #ffffff30;border-radius:5px;background:#101a12e8;text-align:center;font-size:.875rem;line-height:1.6;opacity:0;transition:opacity .2s,transform .2s;pointer-events:none}.table-toast.visible{opacity:1;transform:translate(-50%,0)}.graphics-message{position:absolute;inset:0;z-index:5;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:20px;background:var(--ink);text-align:center;padding:30px}.graphics-message p{max-width:360px;color:var(--muted);line-height:1.7}.graphics-message button{color:var(--accent)}
/* Less frequent controls stay in one keyboard-accessible menu. */
dialog{margin:auto;width:min(560px,calc(100% - 32px));max-height:calc(100svh - 40px);overflow:auto;overscroll-behavior:contain;border:1px solid #ffffff2b;border-radius:10px;background:var(--panel);color:var(--text);padding:26px;box-shadow:0 24px 90px #0007}dialog::backdrop{background:#020704ab;backdrop-filter:blur(5px)}.settings-dialog{width:min(420px,calc(100% - 32px))}.dialog-heading{display:flex;align-items:center;justify-content:space-between;gap:15px;margin-bottom:22px}.close-button{min-height:30px;width:30px;padding:0;border:0;background:none;font-size:1.6rem;line-height:1;color:var(--muted)}.menu-section{border-top:1px solid var(--line);padding:18px 0}.menu-section h3{color:var(--muted);margin-bottom:13px;font-size:.75rem;letter-spacing:.06em}.game-mode{display:flex;gap:8px}.game-mode button{flex:1}.game-mode button.selected{border-color:#e0d0a955;color:var(--accent);background:#e0d0a90d}.setting-row{display:flex;justify-content:space-between;align-items:center;gap:15px;font-size:.875rem;min-height:38px}.setting-row+.setting-row{margin-top:6px}#difficulty-setting{margin-top:12px}.setting-row select{max-width:55%;background:#0f1713;border:1px solid var(--line);color:var(--text);border-radius:5px;min-height:36px;padding:6px 10px;font-size:.875rem}.setting-help{margin-top:8px;color:var(--muted);font-size:.75rem;line-height:1.7}#guide-toggle{accent-color:var(--accent);width:17px;height:17px;cursor:pointer}.sound-button{display:grid;place-items:center;min-width:36px;padding:7px}.view-tools{display:flex;gap:7px}.view-tools button{flex:1;white-space:nowrap}.view-tools button:first-child{flex:2}.game-history{padding:15px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.game-history summary{font-size:.875rem;color:var(--muted);cursor:pointer}#game-log{padding:0;list-style:none;margin:15px 0 0}#game-log li{display:flex;gap:9px;margin:0 0 12px;font-size:.875rem;line-height:1.5}#game-log small{display:block;margin-top:3px;color:var(--muted);font-size:.75rem}.log-marker{width:4px;height:4px;border-radius:50%;background:#d2ddbc;flex-shrink:0;margin-top:8px}#game-log .foul .log-marker{background:#df9a7c}.menu-actions{display:flex;gap:10px;margin:20px 0 12px}.menu-actions button{flex:1}.dialog-primary{border-color:#e0d0a955;background:var(--accent);color:#1a231b}.dialog-primary:hover{background:#e7eecf}.menu-return{width:100%;min-height:40px}.dialog-actions{display:flex;gap:10px;justify-content:flex-end;margin-top:24px}.dialog-actions button{flex:1}.eyebrow{font-size:.75rem;color:var(--muted);letter-spacing:.15em;margin-bottom:10px}.rules-content section{display:flex;gap:17px;margin:22px 0}.rules-content section>span{font-size:.75rem;color:#9bac90;margin-top:4px}.rules-content h3{font-size:1rem;margin-bottom:7px}.rules-content p,dialog>p{font-size:1rem;line-height:1.8;color:#c2cbbb}.rules-note{font-size:.875rem;line-height:1.8;padding-top:16px;border-top:1px solid var(--line);color:var(--muted);margin-bottom:24px}#rules-dialog>.dialog-primary{width:100%}.result-icon{display:grid;place-items:center;width:48px;height:48px;border:1px solid var(--line);border-radius:50%;font-size:1.5rem;margin-bottom:24px}#result-title{margin-bottom:12px}
@media(max-width:1100px){.game-header{padding:20px;grid-template-columns:1fr minmax(260px,360px) 1fr}.bottom-hud{grid-template-columns:1fr;justify-items:center;gap:10px;padding:0 20px 16px}.view-switch{justify-self:center;grid-row:1}.shot-dock{grid-row:2;min-width:0;width:min(440px,100%)}.table-status{top:102px}.brand{gap:7px}.brand h1{font-size:.75rem;letter-spacing:.08em}.brand-mark{display:none}}
@media(max-width:700px){.game-header{padding:16px;grid-template-columns:1fr auto;gap:15px}.brand{grid-column:1;grid-row:1;display:flex;align-items:center;margin-top:0}.brand>div{display:flex;align-items:center;gap:10px}.menu-button{grid-column:2;grid-row:1;min-height:32px;padding:5px 9px}.scoreboard{grid-column:1 / -1;grid-row:2;width:min(440px,100%);justify-self:center}.player{padding-top:8px}.table-status{top:137px;font-size:.75rem;gap:8px}.player-name{gap:6px}.table-toast{top:173px}.shot-dock{gap:14px;padding:10px 12px}.spin-control{gap:9px;padding-right:13px}.spin-readout{min-width:48px}.power-control{min-width:70px}.view-switch button{min-height:32px;padding:5px 12px}.bottom-hud{padding-inline:16px;gap:8px}.shoot-button{min-width:68px}.shot-counter{display:none}}
@media(max-width:420px){.spin-readout{display:flex;min-width:0}.spin-readout output{display:none}.spin-control{padding-right:12px}.shot-dock{gap:13px}.power-control{max-width:none}.table-status{padding-inline:8px}.scoreboard{grid-template-columns:minmax(0,1fr) 24px minmax(0,1fr)}.difficulty-badge{display:none}.player-name{flex-wrap:wrap}.bottom-hud{padding-inline:12px}.spin-pad{width:42px;height:42px}.shoot-button{min-height:44px}}
@media(max-height:620px) and (min-width:701px){.game-shell{min-height:360px}.game-header{padding-top:14px}.table-status{top:105px}.bottom-hud{grid-template-columns:1fr auto 1fr;padding-bottom:12px;gap:12px}.view-switch{grid-row:auto;justify-self:start}.shot-dock{grid-row:auto;width:auto;min-width:420px;padding:9px 13px}.table-toast{top:145px}.spin-pad{width:40px;height:40px}.shoot-button{min-height:42px}}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{transition:none!important}}
.view-area{justify-self:start;display:flex;flex-direction:column;align-items:flex-start;gap:7px;max-width:100%}.camera-shortcuts{margin:0;font-size:.75rem;line-height:1.5;color:var(--muted);text-shadow:0 1px 6px #000;white-space:nowrap}.high-power .power-label>span{color:#edbe7e}#crouch-toggle{border-left:1px solid #ffffff1a;border-radius:0 3px 3px 0}.view-switch button[hidden]{display:none}
@media(max-width:1100px){.bottom-hud{grid-template-columns:1fr}.view-area{grid-row:1;justify-self:center;align-items:center}.shot-dock{grid-row:2;width:min(440px,100%);min-width:0}.view-switch{justify-self:auto}}

#power{position:relative;cursor:default}#power::after{content:"";position:absolute;left:var(--power,58.6%);top:50%;width:7px;height:7px;border-radius:50%;background:#f1f3e6;transform:translate(-50%,-50%);pointer-events:none}

.power-label>#power-label{font-size:.875rem;color:var(--muted)}