/* Raster nine-slice skins preserve corners at every viewport width. */
.brand,.case-title,.header-action,.round-info,.evidence-panel,.character,.tools,.tools>button{position:relative;isolation:isolate;border:0;border-image:none;background:transparent;box-shadow:none}
.brand:before,.case-title:before,.header-action:before,.round-info:before,.evidence-panel:before,.character:before,.tools:before,.tools>button:before{content:'';position:absolute;inset:0;pointer-events:none;z-index:-1;border:var(--skin-edge,12px) solid transparent;border-image-source:var(--skin-image,url('assets/ui-v13/stone-button.png'));border-image-slice:var(--skin-slice,54) fill;border-image-repeat:stretch;border-image-width:1;filter:none}
.brand{--skin-image:url('assets/ui-v13/red-banner.png');--skin-slice:82;--skin-edge:20px;transform:none;padding:10px 23px 12px;color:#ffe9a2;font-size:clamp(28px,3.2vw,48px);font-weight:900;line-height:1.05;text-shadow:0 2px 1px #67220e;-webkit-text-stroke:0;letter-spacing:0}.brand span{-webkit-text-stroke:0;text-shadow:inherit}
.case-title{--skin-image:url('assets/ui-v13/ivory-card.png');--skin-slice:48;--skin-edge:12px;padding:13px 28px;color:#38342b;letter-spacing:1px;font-weight:900;text-shadow:none;font-size:clamp(20px,2.4vw,32px)}
.header-action{--skin-edge:10px;display:grid;place-items:center;padding:7px;color:#fefdf4;text-shadow:none;border-radius:10px;transition:filter .12s,transform .12s}.round-info{--skin-edge:10px;padding:12px 17px}.round-info:before{filter:brightness(.5)}.round-info .timer{font-weight:800;text-shadow:0 1px 2px #000;letter-spacing:0;font-size:clamp(20px,2.4vw,32px)}
.evidence-panel{--skin-image:url('assets/ui-v13/stone-panel.png');--skin-slice:58;--skin-edge:17px;padding:20px;gap:10px;border-radius:14px}.panel-heading h1{text-shadow:none;letter-spacing:0}.panel-heading>span{border:0;box-shadow:inset 0 1px 2px #473f3266;background:#8b8678;color:#fffefa;border-radius:7px;font-weight:800;text-shadow:0 1px #514c41;font-size:19px;padding:2px 11px}
.character,.list-mode .character{--skin-image:url('assets/ui-v13/ivory-card.png');--skin-slice:48;--skin-edge:8px;border:0;box-shadow:none;padding:9px 11px 9px 86px;transition:filter .12s}.character:before{filter:none}.character[aria-pressed=true]{background:none;box-shadow:none;border:0}.character[aria-pressed=true]:before{filter:sepia(.3) saturate(1.8) drop-shadow(0 0 2px #ffe358)}.character[aria-pressed=true]:after{content:'';position:absolute;inset:4px;border:2px solid #e4b731;border-radius:8px;pointer-events:none}.character.placed{opacity:1}.character.placed .avatar{opacity:.72}.character.placed .identity{opacity:.7}.character.placed .clue{opacity:.78}.character .clue{font-weight:500}.identity strong{font-weight:900}.avatar{border:1px solid #fff8e5;box-shadow:0 1px 2px #4e473752}.dark .character,.dark .evidence-panel{background:transparent}.list-mode .character{padding-left:14px}
.tools{--skin-image:url('assets/ui-v13/stone-panel.png');--skin-slice:58;--skin-edge:12px;padding:8px 10px 10px;gap:9px;border-radius:12px}.tools>button,.tools>button[aria-pressed=true],.tools #hint-open,.tools #submit,.tools #submit.incomplete{--skin-edge:12px;border:0;border-radius:10px;background:transparent;box-shadow:none;padding:8px 12px;gap:8px;filter:none;color:#fffef3;text-shadow:0 1px 2px #263321;font-size:20px;font-weight:800;line-height:1;white-space:nowrap}.tools #hint-open{--skin-image:url('assets/ui-v13/blue-button.png');--skin-slice:52}.tools #submit,.tools #submit.incomplete{--skin-image:url('assets/ui-v13/green-button.png');--skin-slice:52;font-size:24px}.tools>button[aria-pressed=true]:before{filter:brightness(1.18) drop-shadow(0 0 2px #ffdd49)}
.tools>button:disabled{opacity:1;filter:none}.tools>button:disabled:before{filter:brightness(.8) saturate(.3)}.tools>button:disabled .ui-icon,.tools>button:disabled .action-label{opacity:.4}.tools>button:hover:not(:disabled),.header-action:hover:not(:disabled),.case-title:hover:not(:disabled){box-shadow:none;filter:brightness(1.06);transform:none}.tools>button:active:not(:disabled),.header-action:active:not(:disabled),.case-title:active:not(:disabled){transform:translateY(1px);box-shadow:none;filter:brightness(.95)}.character:hover:not(:disabled){transform:none;filter:brightness(1.025)}
.ui-icon{display:block;width:26px;height:26px;flex-shrink:0;overflow:visible;filter:drop-shadow(0 1px 1px #1b271c80);pointer-events:none}.action-label{font:800 18px/1.1 'Noto Sans SC',sans-serif;-webkit-text-stroke:0;letter-spacing:0;pointer-events:none}.tools #submit .action-label{font-size:24px}.tools #submit .ui-icon{width:28px;height:28px;stroke-width:3}.header-action .ui-icon{width:26px;height:26px}.tools #erase-tool .action-label{font-size:18px}.tools .tool-spacer{font-size:13px;font-weight:700;color:#39392e}.tools small{display:none}
@media(max-width:1100px) and (min-width:701px){.brand{padding:8px 16px;font-size:30px;--skin-edge:15px}.case-title{padding:10px 18px;font-size:22px}.round-info{padding:10px 13px}.evidence-panel{padding:14px}.character{padding:6px 8px 6px 62px}.tools{padding:7px 8px}.tools>button{padding:5px 8px;gap:5px;--skin-edge:10px}.action-label,.tools #erase-tool .action-label{font-size:15px}.ui-icon{width:23px;height:23px}.tools #submit .action-label{font-size:19px}}
@media(max-width:700px){
 .game-header{gap:5px}.brand{--skin-edge:10px;padding:9px 10px 10px;font-size:21px;flex-shrink:1;min-width:0;white-space:nowrap}.case-title{--skin-edge:8px;padding:9px 8px;font-size:13px;letter-spacing:0;flex-shrink:0}.round-info{--skin-edge:7px;padding:8px 7px}.round-info .timer{font-size:14px}.header-action{--skin-edge:7px;padding:6px;width:30px;height:32px;min-width:27px}.header-action .ui-icon{width:20px;height:20px;stroke-width:2.4}
 .evidence-panel{--skin-edge:12px;padding:11px;gap:5px}.panel-heading{height:24px;min-height:24px;padding:0 3px}.panel-heading h1{font-size:22px}.panel-heading>span{font-size:14px;padding:1px 8px;border-radius:5px}.characters{gap:5px}.character,.list-mode .character{--skin-edge:6px;padding:5px 6px 5px 46px;gap:2px}.avatar{width:34px;height:43px;left:6px;border-radius:7px}.identity strong{font-size:15px}.clue{font-size:12px;line-height:1.35}.list-mode .character{padding-left:8px}
 .tools{--skin-edge:9px;padding:7px;gap:5px;grid-template-rows:39px 35px}.tools>button,.tools>button[aria-pressed=true],.tools #hint-open,.tools #submit,.tools #submit.incomplete{--skin-edge:8px;gap:4px;padding:6px 4px;font-size:12px;min-height:0;border:0;box-shadow:none}.action-label,.tools #erase-tool .action-label{font-size:12px;font-weight:800}.ui-icon{width:19px;height:19px;stroke-width:2.5}.tools #submit .ui-icon{width:23px;height:23px}.tools #submit .action-label{font-size:18px}.tools #undo,.tools #redo{font-size:12px}.tools>button:before{filter:none}
}
@media(max-width:700px) and (max-height:740px){.tools{padding:6px;grid-template-rows:33px 31px;gap:5px}.brand{font-size:19px;padding:8px}.case-title{font-size:12px;padding:8px 6px}.round-info{padding:8px 6px}.round-info .timer{font-size:13px}.evidence-panel{padding:9px}.panel-heading{height:21px;min-height:21px}.panel-heading h1{font-size:19px}.character{padding:4px 5px 4px 40px}.avatar{width:30px;height:37px;left:5px}.identity strong{font-size:14px}.clue{font-size:11px;line-height:1.3}.tools #submit .action-label{font-size:17px}.tools>button{gap:3px}.action-label,.tools #erase-tool .action-label{font-size:11px}.ui-icon{width:17px;height:17px}}
@media(max-width:350px){.brand{font-size:20px}.character{padding-left:36px}.avatar{width:26px;height:33px}.tools>button{gap:2px}.ui-icon{width:15px;height:15px}.action-label,.tools #erase-tool .action-label{font-size:10px}}
/* Button surfaces do not inherit the surrounding panel's skin. */
.tools{--skin-image:url('assets/ui-v13/stone-button.png');--skin-slice:54}
.tools>button{--skin-image:url('assets/ui-v13/stone-button.png');--skin-slice:54}
.character,.list-mode .character{--skin-edge:13px}
@media(max-width:700px){.character,.list-mode .character{--skin-edge:10px}}
@media(max-width:700px){.avatar{width:38px;height:38px}}
@media(max-width:700px) and (max-height:740px){.avatar{width:30px;height:30px}}
@media(max-width:350px){.avatar{width:26px;height:26px}}