*{box-sizing:border-box}.gmk-page{min-height:100vh;background:#f3f6fa;padding:18px;font-family:Arial,"Tahoma",sans-serif;color:#182230}.gmk-card{width:min(940px,100%);margin:0 auto;background:#fff;border:1px solid #e1e7ee;border-radius:22px;box-shadow:0 14px 36px rgba(30,50,70,.08);padding:18px}.gmk-header{display:flex;justify-content:space-between;gap:18px;align-items:flex-start}.gmk-kicker{font-size:12px;color:#718096;margin-bottom:4px}.gmk-header h1{margin:0;font-size:25px}.gmk-header p{margin:8px 0 0;color:#657184;font-size:13px}.gmk-turn{min-width:110px;text-align:center;border:1px solid #d8e0e8;border-radius:999px;padding:10px 14px;font-weight:700;background:#f8fafc}.gmk-toolbar{display:grid;grid-template-columns:1fr 1fr 1fr auto;gap:10px;margin-top:16px}.gmk-toolbar>div,.gmk-btn{border:1px solid #d9e1ea;border-radius:10px;background:#fff;padding:10px 12px}.gmk-toolbar span{display:block;font-size:11px;color:#718096}.gmk-toolbar strong{display:block;margin-top:3px}.gmk-btn{cursor:pointer;font-weight:700}.gmk-btn:hover{background:#f7fafc}.gmk-message{margin-top:14px;border:1px solid #dce4ed;background:#f8fafc;border-radius:10px;padding:11px;text-align:center;font-weight:700}.gmk-board-wrap{margin:16px auto 0;max-width:690px;overflow:auto;padding:4px}.gmk-coords{color:#7b8795;font-size:10px;user-select:none}.gmk-cols{display:grid;grid-template-columns:repeat(15,1fr);margin-right:22px;margin-bottom:4px;text-align:center}.gmk-main-row{display:flex;gap:4px}.gmk-rows{width:18px;display:grid;grid-template-rows:repeat(15,1fr);text-align:center;align-items:center}.gmk-board{display:grid;grid-template-columns:repeat(15,minmax(27px,1fr));aspect-ratio:1;border:10px solid #c89d62;border-radius:8px;background:#d9b27a;box-shadow:inset 0 0 0 1px rgba(70,40,10,.15);flex:1}.gmk-cell{position:relative;border:0;background:transparent;cursor:pointer;min-width:0;min-height:0;padding:0}.gmk-cell::before{content:"";position:absolute;left:50%;top:50%;width:1px;height:100%;background:rgba(80,55,25,.3);transform:translate(-50%,-50%)}.gmk-cell::after{content:"";position:absolute;top:50%;left:50%;width:100%;height:1px;background:rgba(80,55,25,.3);transform:translate(-50%,-50%)}.gmk-cell:hover{background:rgba(255,255,255,.13)}.gmk-cell.black,.gmk-cell.white{cursor:default}.gmk-cell.black i,.gmk-cell.white i{display:block;position:absolute;width:76%;height:76%;left:12%;top:12%;border-radius:50%;z-index:2}.gmk-cell.black i{background:#151515;box-shadow:inset 2px 2px 4px rgba(255,255,255,.18),2px 3px 4px rgba(0,0,0,.3)}.gmk-cell.white i{background:#f5f5f5;border:1px solid #c9c9c9;box-shadow:inset 2px 2px 4px rgba(255,255,255,.8),2px 3px 4px rgba(0,0,0,.22)}.gmk-cell.last i{outline:3px solid #e53e3e;outline-offset:1px}.gmk-help{display:flex;justify-content:center;gap:16px;flex-wrap:wrap;font-size:12px;color:#667085;margin-top:10px}.gmk-overlay{position:fixed;inset:0;background:rgba(15,23,42,.48);display:grid;place-items:center;padding:20px;z-index:10}.gmk-overlay[hidden]{display:none}.gmk-overlay-card{width:min(420px,100%);background:#fff;border-radius:18px;padding:26px;text-align:center;box-shadow:0 20px 60px rgba(0,0,0,.2)}.gmk-result-icon{font-size:42px}.gmk-overlay-card h2{margin:8px 0}.gmk-overlay-card p{color:#667085}.gmk-overlay-actions{display:flex;justify-content:center}.gmk-primary{background:#182230;color:#fff;border-color:#182230}.gmk-primary:hover{background:#2b3645}@media(max-width:700px){.gmk-page{padding:8px}.gmk-card{padding:12px;border-radius:14px}.gmk-header{flex-direction:column}.gmk-header h1{font-size:21px}.gmk-turn{align-self:stretch}.gmk-toolbar{grid-template-columns:1fr 1fr}.gmk-toolbar .gmk-btn{grid-column:1/-1}.gmk-board{border-width:6px;grid-template-columns:repeat(15,minmax(24px,1fr))}.gmk-board-wrap{margin-left:-4px;margin-right:-4px}.gmk-main-row{min-width:400px}}

/* Gomoku Online */
.gmk-mode-row{display:flex;justify-content:flex-start;margin-top:12px}.gmk-primary{background:#182230!important;color:#fff!important;border-color:#182230!important}.gmk-danger{color:#b42318!important}.gmk-online-shell{max-width:1180px}.gmk-online-toolbar{display:grid;grid-template-columns:2fr 1fr 1fr .7fr;gap:10px;margin-top:16px}.gmk-online-toolbar>div,.gmk-online-actions .gmk-btn{border:1px solid #d9e1ea;border-radius:12px;background:#fff;padding:11px 13px}.gmk-online-toolbar span{display:block;color:#718096;font-size:11px}.gmk-online-toolbar strong{display:block;margin-top:4px}.gmk-online-actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:12px}.gmk-online-lobby{margin-top:16px;border:1px solid #e2e8f0;border-radius:18px;background:linear-gradient(180deg,#fbfdff,#f6f8fb);padding:40px 20px;text-align:center}.gmk-lobby-icon{font-size:44px;margin-bottom:8px}.gmk-online-lobby h2{margin:0 0 8px}.gmk-online-lobby p{color:#667085;margin:0}.gmk-queue-timer{display:inline-block;margin-top:18px;font-size:28px;font-weight:800;color:#b7791f;letter-spacing:1px}.gmk-online-game{display:grid;grid-template-columns:minmax(0,1fr) 240px;gap:14px;margin-top:16px}.gmk-online-board-area{min-width:0;border:1px solid #e1e7ee;border-radius:18px;background:#f9fbfd;padding:14px}.gmk-online-board-area .gmk-cols{margin-right:22px}.gmk-online-side{display:flex;flex-direction:column;gap:10px}.gmk-player-box{border:1px solid #dce4ed;border-radius:14px;background:#fff;padding:14px}.gmk-player-box span{display:block;color:#718096;font-size:11px}.gmk-player-box strong{display:block;margin-top:5px;font-size:16px}.gmk-player-box.yours{border-color:#cbd5e1}.gmk-player-box.opponent{background:#fffafa;border-color:#f3c8c8}.gmk-rule-note{font-size:12px;line-height:1.7;color:#667085;border:1px solid #e6e9ef;border-radius:14px;padding:12px;background:#fff}.gmk-chat{grid-column:1/-1;border:1px solid #e1e7ee;border-radius:16px;background:#fff;overflow:hidden}.gmk-chat-head{display:flex;justify-content:space-between;padding:12px 14px;border-bottom:1px solid #edf1f5}.gmk-chat-head span{font-size:11px;color:#138a5b}.gmk-chat-messages{height:150px;overflow:auto;padding:10px;background:#fafbfd}.gmk-chat-item{display:flex;flex-direction:column;width:fit-content;max-width:78%;padding:8px 10px;border-radius:11px;margin-bottom:7px;font-size:13px}.gmk-chat-item.mine{margin-right:0;margin-left:auto;background:#eef2f7}.gmk-chat-item.theirs{margin-left:0;margin-right:auto;background:#fff4f4}.gmk-chat-item strong{font-size:10px;color:#718096;margin-bottom:3px}.gmk-chat-form{display:flex;gap:8px;padding:10px;border-top:1px solid #edf1f5}.gmk-chat-form input{flex:1;min-width:0;border:1px solid #d9e1ea;border-radius:10px;padding:10px;font:inherit}.gmk-online-page .gmk-board{background:#d8b274;border-color:#b98a50}.gmk-online-page .gmk-cell.available:hover{background:rgba(255,255,255,.2)}.gmk-online-page .gmk-cell.available::marker{content:''}.gmk-online-page .gmk-cell.available:after{box-shadow:0 0 0 4px rgba(255,255,255,.08)}.gmk-online-page .gmk-cell.black i{background:radial-gradient(circle at 35% 28%,#4b4b4b 0,#171717 45%,#050505 100%)}.gmk-online-page .gmk-cell.white i{background:radial-gradient(circle at 35% 28%,#fff 0,#f3f3f3 48%,#cfcfcf 100%)}.gmk-online-page .gmk-cell.last i{outline:3px solid #d97706;outline-offset:2px}.gmk-online-page .gmk-turn.waiting{background:#fff8e8;border-color:#f1d79d}.gmk-online-page .gmk-turn.your-turn{background:#edf9f3;border-color:#b9e4cc;color:#176b45}.gmk-online-page .gmk-turn.opponent-turn{background:#fff4f4;border-color:#f2c8c8;color:#9f2f2f}.gmk-message.error{border-color:#f2c8c8;background:#fff4f4;color:#9f2f2f}.gmk-message.success{border-color:#b9e4cc;background:#edf9f3;color:#176b45}.gmk-result-actions{display:grid;grid-template-columns:1fr 1fr;gap:8px}.gmk-result-actions .gmk-btn{width:100%}.gmk-rematch-state{margin:12px 0;padding:10px;border-radius:10px;background:#f8fafc;color:#667085;font-size:13px}.gmk-overlay-card{max-height:90vh;overflow:auto}
@media(max-width:800px){.gmk-online-toolbar{grid-template-columns:1fr 1fr}.gmk-online-game{grid-template-columns:1fr}.gmk-online-side{display:grid;grid-template-columns:1fr 1fr}.gmk-rule-note{grid-column:1/-1}.gmk-chat{grid-column:1}.gmk-online-board-area{padding:8px}.gmk-board{grid-template-columns:repeat(15,minmax(22px,1fr));border-width:6px}.gmk-main-row{min-width:370px}.gmk-online-actions .gmk-btn{flex:1 1 45%}}
@media(max-width:520px){.gmk-online-toolbar{grid-template-columns:1fr}.gmk-online-actions .gmk-btn{flex:1 1 100%}.gmk-result-actions{grid-template-columns:1fr}.gmk-online-side{grid-template-columns:1fr}.gmk-main-row{min-width:345px}.gmk-board{grid-template-columns:repeat(15,minmax(20px,1fr))}}

.gmk-page{padding:8px 0 24px}.gmk-card{margin-top:10px}.gmk-overlay-question{margin:10px 0 14px;padding:10px 12px;border-radius:10px;background:#f7f8fa;font-weight:700;color:#334155}.gmk-clock-card{border:1px solid #d8e0e8;border-radius:14px;background:#fff;padding:14px;text-align:center}.gmk-clock-card span{display:block;font-size:11px;color:#718096}.gmk-clock-card strong{display:block;margin-top:5px;font-size:28px;color:#b7791f}.gmk-clock-card strong.urgent{color:#b42318}.gmk-cell.selected{background:rgba(255,255,255,.28);box-shadow:inset 0 0 0 3px rgba(18,68,105,.22)}
@media(max-width:700px){.gmk-card{margin-top:6px}.gmk-online-shell{width:100%}}