/* Central settings and shared, board-only display preferences. */
.central-settings #boardColorWrap,.central-settings #pieceSetWrap,.central-settings #boardSizeWrap,.central-settings #compactBoardSizeBtn,
.central-settings .appearance-wrap,.central-settings #boardThemeWrap{display:none!important}
/* Keep the gear in the free upper-right corner, above the utility row. */
.central-settings #themeToggleBtn{display:inline-grid!important;place-items:center;top:2px;right:5px;width:32px!important;min-width:32px!important;height:32px!important;min-height:32px!important;font-size:23px!important;opacity:1;z-index:20}
@media(min-width:761px){.central-settings .header{padding-top:24px}}
#gamerSettings{--settings-bg:var(--ui-surface);--settings-ink:var(--ui-text);--settings-line:rgba(132,63,70,.18);--settings-field:linear-gradient(180deg,var(--ui-surface),var(--ui-surface-alt));color:var(--settings-ink);background:var(--settings-bg);width:min(780px,calc(100vw - 32px));max-height:calc(100dvh - 32px);padding:0;border:1px solid var(--settings-line);border-radius:18px;box-shadow:0 18px 48px #0004;box-sizing:border-box;font:15px/1.3 "Times New Roman",serif;overflow:hidden}
#gamerSettings[open]{display:flex;flex-direction:column}
#gamerSettings::backdrop{background:#16111a77}
.dark-mode #gamerSettings{--settings-bg:var(--ui-surface-alt);--settings-ink:var(--ui-text);--settings-line:rgb(var(--ui-line-rgb) / 0.18);--settings-field:linear-gradient(180deg,var(--ui-hover),var(--ui-surface-alt))}
#gamerSettings .settings-head{display:flex;justify-content:space-between;align-items:center;padding:12px 18px 0;flex-shrink:0}
#gamerSettings h2{font-size:23px;margin:0;color:inherit}
#gamerSettings h3{font-size:16px;margin:0 0 6px;color:inherit}
#gamerSettings button{font:inherit;font-weight:700;cursor:pointer;border:1px solid var(--settings-line);border-radius:9px;padding:6px 10px;background:var(--settings-field);color:inherit;min-height:34px;box-shadow:0 2px 5px #00000009;box-sizing:border-box}
#gamerSettings button:disabled{opacity:.4;cursor:default}
#gamerSettings .settings-close{font-size:24px;line-height:1;width:34px;padding:0}
#gamerSettings .settings-intro{margin:0;padding:2px 18px 10px;opacity:.7;font-size:13px;flex-shrink:0}
#gamerSettings .settings-tabs{display:flex;gap:6px;padding:0 18px 10px;border-bottom:1px solid var(--settings-line);flex-shrink:0}
#gamerSettings button[aria-pressed=true],#gamerSettings #settingsDone{background:#843f46;color:var(--ui-on-accent);border-color:#843f46}
#gamerSettings .settings-content{padding:14px 18px;overflow-y:auto;min-height:0;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px 24px;align-items:start;overscroll-behavior:contain}
#gamerSettings .settings-content>section{min-width:0}
#gamerSettings .settings-column{display:flex;flex-direction:column;gap:16px;min-width:0}
#gamerSettings .settings-surface{grid-column:1;grid-row:1}
#gamerSettings .settings-markings{grid-column:1;grid-row:2}
#gamerSettings .settings-board{grid-column:2;grid-row:1 / 3;padding-left:22px;border-left:1px solid var(--settings-line)}
#gamerSettings .settings-content[data-tab=sound]{grid-template-columns:1fr}
#gamerSettings .settings-row{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:8px 0;border-bottom:1px solid var(--settings-line);min-height:36px;box-sizing:border-box}
#gamerSettings .settings-row>span{flex:1;min-width:0;font-weight:700}
#gamerSettings .settings-row small{display:block;font-size:12px;font-weight:400;opacity:.75;margin-top:3px;line-height:1.3}
#gamerSettings select{width:185px;max-width:60%;min-width:0;min-height:34px;padding:6px 8px;border:1px solid var(--settings-line);border-radius:8px;font:inherit;color:inherit;background:var(--settings-bg);box-sizing:border-box}
#gamerSettings .settings-content[data-tab=play] .settings-row:has(select){flex-wrap:wrap;gap:5px}
#gamerSettings .settings-content[data-tab=play] select{width:100%;max-width:100%}
#gamerSettings input[type=checkbox]{width:18px;height:18px;flex:0 0 18px;margin:4px 2px;accent-color:#843f46;cursor:pointer}
#gamerSettings input[type=range]{accent-color:#843f46;max-width:48%;min-width:0}
#gamerSettings footer{display:flex;align-items:center;justify-content:flex-end;gap:8px;flex-wrap:wrap;border-top:1px solid var(--settings-line);padding:10px 18px;flex-shrink:0}
#gamerSettings footer p{font-size:12px;opacity:.75;margin:0;margin-right:auto;flex:1 1 190px}
#gamerSettings #settingsReset{font-size:13px}
#gamerSettings .settings-help{font-size:12px;opacity:.75;margin:4px 0 8px;line-height:1.3}
#gamerSettings .settings-help:empty{display:none}
#gamerSettings .settings-preview{display:grid;grid-template-columns:repeat(8,1fr);width:min(100%,280px);margin:10px auto 12px;border-radius:6px;overflow:hidden}
#gamerSettings .settings-preview>span{aspect-ratio:1;min-width:0}
#gamerSettings .settings-preview img{width:100%;height:100%;object-fit:contain;display:block}
#gamerSettings .settings-size label{display:flex;justify-content:space-between;font-weight:700}
#gamerSettings .settings-size-buttons{display:flex;gap:6px;margin:7px 0}
#gamerSettings .settings-size-buttons button{flex:1;padding:5px;font-size:13px}
#gamerSettings .settings-range{display:flex;align-items:center;gap:8px}
#gamerSettings .settings-range input{flex:1;max-width:none}
#gamerSettings [hidden]{display:none!important}
#gamerSettings :focus-visible{outline:3px solid #c17a36;outline-offset:2px}
@media(max-width:600px){
 #gamerSettings{width:calc(100vw - 20px);max-height:calc(100dvh - 20px);font-size:15px}
 #gamerSettings .settings-content{display:flex;flex-direction:column;gap:16px;padding:12px 14px}
 #gamerSettings .settings-content>section{width:100%}
 #gamerSettings .settings-column{width:100%}
 #gamerSettings .settings-board{border:0;padding:0}
 #gamerSettings .settings-head{padding:10px 14px 0}
 #gamerSettings .settings-intro{padding-left:14px;padding-right:14px}
 #gamerSettings .settings-tabs{padding:0 14px 10px;gap:4px}
 #gamerSettings .settings-tabs button{flex:1;padding:6px 4px;font-size:13px}
 #gamerSettings button,#gamerSettings select{min-height:44px}
 #gamerSettings .settings-row{min-height:44px}
 #gamerSettings footer{padding:8px 14px;gap:6px}
 #gamerSettings footer p{flex-basis:100%}
}
.central-settings .board-tools:not(.daily-move-pending){display:flex!important;align-items:center;justify-content:space-evenly;gap:12px;padding:10px 0;flex-wrap:wrap}
.central-settings .board-tools:not(.daily-move-pending)>.gamer-board-nav{display:flex;flex:1;justify-content:center;gap:clamp(6px,2vw,20px);order:2}
.central-settings #flipBoardBtn{order:1}.central-settings #soundToggleBtn{order:3}
.central-settings .board-tools:not(.daily-move-pending) button:not([hidden]),.central-settings .board-nav-actions>button,.central-settings .board-toolbar>button{min-width:44px!important;min-height:44px!important;font-size:19px;box-sizing:border-box}
.prefs-no-coordinates .coord-file,.prefs-no-coordinates .coord-rank,.prefs-no-coordinates .coord,.prefs-no-coordinates .board-coordinates{visibility:hidden!important}
.prefs-no-last-move .square.last-move:not(.selected):not(.pending-move):not(.premove-from):not(.premove-to),.prefs-no-last-move .square.last-from,.prefs-no-last-move .square.last-to{box-shadow:none!important;outline:none!important}
.prefs-no-last-move .square.last-move:not(.selected):not(.pending-move):not(.premove-from):not(.premove-to)::after,.prefs-no-last-move .square.last-move:not(.selected):not(.pending-move):not(.premove-from):not(.premove-to)::before,.prefs-no-last-move .square.last-from::after,.prefs-no-last-move .square.last-to::after{display:none!important}
.prefs-no-legal .square.legal,.prefs-no-legal .square.legal-move,.prefs-no-legal .square.premove-legal{box-shadow:none!important;outline:none!important}
.prefs-no-legal .square.legal::before,.prefs-no-legal .square.legal::after,.prefs-no-legal .square.legal-move::after,.prefs-no-legal .square.premove-legal::before{display:none!important}
.prefs-reduced-motion .square,.prefs-reduced-motion .piece-img,.prefs-reduced-motion .piece-drag-ghost{animation:none!important;transition:none!important}
.prefs-hide-chat #chatPanel,.prefs-hide-chat #showChatPanelBtn,.prefs-focus.hammerschach-room-view #chatPanel,.prefs-focus.hammerschach-room-view #showChatPanelBtn,.prefs-focus.hammerschach-room-view #gameMomentDetails,.prefs-focus.hammerschach-room-view .room-my-games-overview,.prefs-focus.hammerschach-room-view .lobby-ticker{display:none!important}
@media(max-width:520px){.central-settings .board-tools:not(.daily-move-pending){gap:6px}.central-settings .board-tools .gamer-board-nav{gap:5px!important}.central-settings .board-tools:not(.daily-move-pending) button:not([hidden]){min-width:38px!important;min-height:44px!important}}

.central-settings .settings-migrated-control,.central-settings #boardThemeBtn,.central-settings #pieceSetBtn{display:none!important}
.prefs-no-last-move .square.last-move-from:not(.selected),.prefs-no-last-move .square.last-move-to:not(.selected){box-shadow:none!important;animation:none!important}
.prefs-no-legal .square.legal-target{box-shadow:none!important;outline:none!important}
.prefs-no-legal .square.legal-target::before,.prefs-no-legal .square.legal-target::after{display:none!important}
.prefs-focus.hammerschach-room-view #gameMomentBar{display:none!important}
.central-settings .analyzer-board-nav,.central-settings .player-board-nav,.central-settings .reader-board-nav{display:flex;justify-content:center;flex:1;gap:clamp(5px,1.5vw,16px)}
.central-settings[data-board-size-tool="trainer"] .controls{display:flex;flex-wrap:wrap;justify-content:space-evenly;align-items:center;gap:10px}
.central-settings[data-board-size-tool="trainer"] .controls button{min-height:44px!important;min-width:44px!important}