:root{font-family:Inter,-apple-system,BlinkMacSystemFont,PingFang SC,Microsoft YaHei,sans-serif;color:#293b32;background:#f7f8f3;font-synthesis:none;font-size:14px}*{box-sizing:border-box}body{margin:0}button,input,select{font:inherit}button,a,input,select{-webkit-tap-highlight-color:transparent}button{cursor:pointer}button:disabled{cursor:not-allowed;opacity:.45}button,a{transition:background .18s,color .18s,transform .18s}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible{outline:3px solid #a6ba83;outline-offset:3px}button{border:0;background:none;color:inherit}a{color:inherit;text-decoration:none}h1,h2,h3,h4,p{margin:0}p{line-height:1.8}h1,h2{font-family:"Noto Serif SC",Songti SC,Georgia,serif;font-weight:500}h3{font-size:15px}small{font-size:12px}svg{flex-shrink:0}button svg{vertical-align:middle}.app-shell{display:flex;min-height:100vh}.sidebar{width:230px;position:fixed;inset:0 auto 0 0;background:#edf0e7;padding:38px 23px 20px;display:flex;flex-direction:column;border-right:1px solid #e0e5d9}.brand{display:flex;gap:12px;align-items:center;font-size:19px;letter-spacing:2px;font-weight:650}.brand small{display:block;font-size:11px;letter-spacing:3px;font-weight:400;margin-top:6px;color:#7c8778}.brand-mark{width:39px;height:39px;position:relative}.brand-mark span{width:26px;height:26px;border-radius:50%;position:absolute;background:#304c3b;left:0;top:1px}.brand-mark span+span{background:#faf9ee;border:1px solid #b8c1ac;left:12px;top:13px}.nav-label{font-size:10px;letter-spacing:2px;color:#89927f;margin:55px 12px 17px}.nav-item{display:flex;gap:12px;align-items:center;padding:13px 16px;border-radius:7px;margin:3px 0;color:#73816c;text-align:left}.nav-item.selected{background:#dfe6d4;color:#334c36;font-weight:600}.nav-item:hover{background:#e1e6d9}.sidebar-tip{margin-top:auto;padding:25px 12px 42px;color:#697860}.sidebar-tip h4{font-size:13px;margin:14px 0 8px}.sidebar-tip p{font-size:12px}.sidebar-tip>span{display:block;font-size:10px;letter-spacing:2px;margin-top:20px}.logout{border-top:1px solid #dbe1d1;display:flex;align-items:center;gap:9px;padding-top:22px;color:#75816f;font-size:12px}.logout span{margin-left:auto}main{margin-left:230px;flex:1;min-width:0;padding:0 44px;max-width:1700px}header{height:90px;display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid #e6e9df}.breadcrumb{color:#7c8577;font-size:12px}.breadcrumb span{padding:0 15px;color:#b3baac}.private-badge{display:flex;align-items:center;gap:7px;font-size:11px;letter-spacing:1px;color:#6d7e5d}.private-badge span{width:6px;height:6px;border-radius:50%;background:#8ba776}.hero{display:flex;position:relative;min-height:385px;align-items:center;padding:42px 45px;background:#eef0e5;border-radius:12px;margin-top:28px;overflow:hidden;gap:40px}.hero>div:first-child{z-index:1;flex:1;min-width:300px}.eyebrow{font-size:10px;letter-spacing:2.5px;color:#8a947b;margin-bottom:20px}.hero h1{font-size:43px;line-height:1.55;letter-spacing:4px}.hero em{font-style:normal;color:#778a64}.hero p{color:#7d8874;margin:18px 0 25px;font-size:13px}.hero-board{width:300px;transform:rotate(-8deg);opacity:.9;margin-right:-20px;flex-shrink:0;box-shadow:0 20px 35px #69745024;border-radius:8px;overflow:hidden}.primary,.secondary{display:inline-flex;align-items:center;justify-content:center;gap:10px;padding:13px 20px;border-radius:6px;font-size:12px;font-weight:500}.primary{background:#36533f;color:#fff}.primary:hover:not(:disabled){background:#284330}.secondary{border:1px solid #dce1d4;background:#fff;color:#65725d}.secondary:hover{background:#f0f3e9}.full{width:100%}.feature-strip{display:grid;grid-template-columns:repeat(3,1fr);gap:28px;padding:35px 8px;border-bottom:1px solid #e2e6da}.feature-strip>div{display:flex;gap:15px;align-items:center}.feature-strip>div>span{font-family:Georgia,serif;font-size:26px;font-style:italic;color:#afbba0}.feature-strip h3{font-size:13px;font-weight:500;margin-bottom:6px}.feature-strip p{font-size:11px;color:#929a88}.library{margin-top:35px}.section-heading{display:flex;justify-content:space-between;align-items:center;margin-bottom:25px}.section-heading h2{font-size:22px}.section-heading h2 span{font-family:Arial;font-size:11px;background:#e9eddf;color:#7d8c70;padding:3px 7px;border-radius:10px;vertical-align:middle}.section-heading p{font-size:12px;color:#969e8d;margin-top:9px}.empty{border:1px dashed #d9e0cf;border-radius:10px;text-align:center;padding:45px 16px;color:#99a18e}.empty>svg{margin-bottom:17px;color:#9a8}.empty h3{font-size:14px;color:#77846b;margin-bottom:10px;font-weight:500}.empty p{font-size:12px}.text-button{margin-top:18px;font-size:12px;color:#59714b}.game-list{display:grid;gap:10px}.game-row{display:flex;align-items:center;gap:20px;background:#fff;border:1px solid #e6e9df;padding:20px;border-radius:8px;text-align:left;width:100%}.game-row:hover{border-color:#b6c4a6;transform:translateY(-1px)}.mini-stone{font-size:35px;width:50px;text-align:center;color:#4c6150}.game-row>div:nth-child(2){flex:1}.game-row h3{font-weight:500}.game-row p{font-size:11px;color:#9aa18f;margin-top:6px}.game-row>span{font-size:11px;color:#85927b}.status{padding:5px 9px;border-radius:4px;background:#eef1e8}.status.playing{color:#70864c;background:#edf3dc}footer{padding:35px 0 25px;margin-top:30px;display:flex;gap:15px;align-items:center;font-size:10px;letter-spacing:2px;color:#9aa58c}footer span{font-size:10px;letter-spacing:1px}footer small{margin-left:auto;font-size:9px;letter-spacing:0}.game-heading{display:flex;align-items:center;justify-content:space-between;padding:25px 0}.back{font-size:11px;color:#85927d;padding:0;display:flex;gap:6px;align-items:center;margin-bottom:15px}.game-heading h1{font-size:29px;letter-spacing:2px}.game-heading p{font-size:11px;color:#8e9883;margin-top:10px}.workspace{display:grid;grid-template-columns:minmax(330px,1.45fr) minmax(290px,1fr);gap:24px;align-items:start}.board-panel{padding:20px;background:#fff;border:1px solid #e5e9dd;border-radius:10px}.board-toolbar{display:flex;justify-content:space-between;align-items:center;margin-bottom:22px;font-size:11px;color:#829075}.segmented{background:#f2f4ed;padding:4px;border-radius:6px;display:flex;gap:4px}.segmented button{padding:6px 18px;border-radius:4px;font-size:12px}.segmented .active{background:#fff;box-shadow:0 2px 4px #40552912;color:#36533f}.board-wrap{position:relative;width:100%;aspect-ratio:1;background:#e2c797;border-radius:5px;overflow:hidden;touch-action:manipulation}.board-wrap canvas{display:block}.board-input{display:grid;grid-template-columns:repeat(9,1fr);grid-template-rows:repeat(9,1fr);position:absolute;top:9.090909%;left:9.090909%;width:81.818182%;height:81.818182%;z-index:4}.board-input button{border-radius:50%;padding:0;aspect-ratio:1;position:relative;display:grid;place-items:center}.board-input button:disabled{opacity:1;cursor:default}.board-input button:hover:not(:disabled){background:#304b3540;box-shadow:inset 0 0 0 4px #ffffff40}.candidate-marker{display:grid;place-items:center;width:70%;height:70%;background:#63865ee0;border:1px solid #fff;border-radius:50%;color:#fff;font-size:12px;pointer-events:none}.player-row{display:flex;align-items:center;justify-content:space-between;font-size:12px;gap:8px;margin:25px 0}.player-row>div{display:flex;align-items:center;gap:8px}.player-row small{color:#9ba591;font-size:10px}.stone{display:inline-block;width:19px;height:19px;border-radius:50%;box-shadow:0 2px 4px #0002}.black{background:radial-gradient(circle at 30% 20%,#555,#151515)}.white{background:radial-gradient(circle at 30% 20%,#fff,#deded5);border:1px solid #dddfd4}.turn-message{font-size:10px;color:#8b9c72}.board-actions{display:flex;justify-content:center;border-top:1px solid #ecefe5;padding-top:17px;gap:30px}.board-actions button{font-size:12px;color:#8d9880;display:flex;align-items:center;gap:7px}.insight-panel{display:grid;gap:17px}.card{background:#fff;border:1px solid #e5e9dd;border-radius:9px;padding:22px}.card-title{display:flex;align-items:center;gap:8px;margin-bottom:18px}.card-title svg{color:#859875}.card-title h3{font-size:14px;font-weight:550}.tag{margin-left:auto;font-size:9px;background:#f0f3e8;color:#879779;padding:4px 6px;border-radius:3px}.gentle{color:#8d9881;font-size:12px;margin-bottom:20px}.fine-print{font-size:10px;color:#9aa48e;line-height:1.8;margin-top:14px}.ai-card{background:#f2f4ec}.button-pair{display:flex;gap:10px;margin-top:15px}.button-pair button{border:1px solid #d9e1cd;border-radius:5px;padding:9px 12px;flex:1;font-size:11px;background:#fff;color:#647b54}.notice{font-size:11px;color:#8a805c;background:#f7f2de;padding:12px;border-radius:5px}.replay-controls{display:flex;align-items:center;gap:8px;margin:22px 0 12px}.replay-controls input{min-width:20px;flex:1;accent-color:#55784b}.replay-controls button{padding:6px;color:#8a9b7c}.replay-controls svg{width:17px}.metrics{display:grid;grid-template-columns:1fr 1fr;gap:15px}.metrics>div{background:#f7f8f3;padding:14px;border-radius:6px}.metrics span{display:block;font-size:10px;color:#96a089;margin-bottom:9px}.metrics strong{font-family:Georgia,serif;font-size:24px;font-weight:400}.metrics small{font-family:inherit;font-size:11px;margin-left:3px}.loss{font-size:11px;color:#9a9b83;margin:15px 0 20px}.loss b{font-weight:500;color:#a78150}.card h4{font-size:11px;font-weight:500;color:#7a8a6b;margin-bottom:12px}.candidates{display:grid;gap:7px}.candidates button{display:flex;align-items:center;gap:12px;background:#f7f9f2;padding:10px;border-radius:4px}.candidates button>span{background:#8ba079;color:#fff;border-radius:50%;font-size:10px;width:18px;height:18px;display:grid;place-items:center}.candidates b{font-size:12px;font-weight:500}.candidates small{margin-left:auto;font-size:10px;color:#98a48c}.chart{margin-top:24px;border-top:1px solid #ecefe6;padding-top:18px}.chart-label{display:flex;justify-content:space-between;font-size:10px;color:#9aa68c}.chart svg{width:100%;margin-top:10px;cursor:pointer}.variation-label{font-size:10px;line-height:1.8;color:#748868;padding:12px;background:#f1f5e9}.variation-label button{color:#a18051;display:block;padding:8px 0 0}.task{font-size:11px;margin-top:18px;color:#8a977d}.task>div{display:flex;justify-content:space-between}.task progress{width:100%;height:4px;accent-color:#768f5f}.task p{color:#a46955}.task button{padding:7px 0;text-decoration:underline}.markdown{font-size:12px;line-height:1.9;color:#66745b;margin-top:20px;overflow-wrap:anywhere}.markdown h1,.markdown h2,.markdown h3{font-family:inherit;font-size:14px;margin:16px 0 8px}.markdown p{margin:8px 0}.markdown ul,.markdown ol{padding-left:20px}.mistake{display:flex;justify-content:space-between;width:100%;font-size:11px;padding:13px 0;border-bottom:1px solid #edf0e6;color:#8b977f}.mistake b{color:#b68d58;font-weight:500}.empty.small{padding:20px 10px;border:0}.empty.small .primary{margin-top:16px}.result{font-size:30px;margin:20px 0}.result small{font-size:11px;color:#889c77}.scoring p{font-size:12px;color:#8b987d;margin:12px 0}.error{position:sticky;top:10px;z-index:10;background:#fff1e8;border:1px solid #ecd6c6;padding:13px 16px;border-radius:7px;margin-top:15px;font-size:12px;color:#9c624c;display:flex;justify-content:space-between;gap:15px}.modal-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;background:#21322166;-webkit-backdrop-filter:blur(5px);backdrop-filter:blur(5px);z-index:50;display:grid;place-items:center;padding:20px}.modal{position:relative;background:#fcfcf7;border-radius:14px;width:440px;max-width:100%;padding:36px}.close{position:absolute;right:18px;top:18px;color:#9aaa8d}.modal h2{font-size:25px}.modal>p{font-size:12px;color:#9aa48e;margin:13px 0 24px}label{display:block;font-size:12px;color:#7d8a70;margin-top:20px}input:not([type=range]),select{display:block;width:100%;border:1px solid #dfe5d5;background:#fff;border-radius:6px;padding:12px;color:#46583c;margin-top:9px}select{-webkit-appearance:auto;-moz-appearance:auto;appearance:auto}.modal .primary{margin-top:20px}.loading{height:100vh;display:flex;gap:15px;align-items:center;justify-content:center;color:#7d9470}.login-page{min-height:100vh;display:grid;grid-template-columns:1.1fr 1fr;background:#fbfcf7}.login-intro{position:relative;background:#e9eddf;padding:50px 10%;overflow:hidden}.login-intro .brand{margin-bottom:80px}.login-intro h1{font-size:42px;line-height:1.7;letter-spacing:5px}.login-intro p{color:#8a987b;font-size:13px;margin-top:20px}.login-decoration{width:280px;transform:rotate(-10deg);margin:40px 0 -120px auto;opacity:.75}.login-form{align-self:center;width:330px;max-width:85%;margin:50px auto}.login-form>svg{color:#8fa57c}.login-form h2{font-size:30px;margin:24px 0 12px}.login-form>p{font-size:12px;color:#9aaa8b}.login-form .primary{margin-top:30px}.login-form .fine-print{text-align:center;margin-top:22px;font-size:10px}.login-error{color:#ae6a50!important;margin-top:15px}@media(min-width:1500px){.hero-board{width:350px;margin-right:35px}.hero{padding:45px 65px}.workspace{grid-template-columns:minmax(400px,640px) minmax(320px,1fr)}}@media(max-width:1150px){.sidebar{width:190px;padding:30px 16px}.brand{font-size:16px}main{margin-left:190px;padding:0 25px}.hero{padding:30px}.hero-board{width:230px}.hero h1{font-size:35px}.workspace{gap:16px;grid-template-columns:minmax(300px,1.2fr) minmax(270px,1fr)}.card{padding:17px}.player-row small{display:none}}@media(max-width:900px){.sidebar{width:70px;padding:25px 10px;align-items:center}.sidebar .brand>div:last-child,.sidebar .nav-label,.sidebar .sidebar-tip,.sidebar .logout span{display:none}.sidebar .brand{margin-bottom:35px}.nav-item{font-size:0;padding:13px}.nav-item svg{width:20px}.logout{font-size:0;margin-top:auto}.sidebar .logout{padding:20px 8px}.brand-mark{width:37px}.workspace{grid-template-columns:1fr}.insight-panel{grid-template-columns:1fr 1fr}.board-panel{max-width:600px;width:100%;margin:auto}main{margin-left:70px;padding:0 22px}.hero-board{width:210px;margin-right:-70px}.hero{gap:0}.hero>div:first-child{min-width:260px}.feature-strip{gap:15px}.feature-strip>div{gap:8px}.feature-strip>div>span{font-size:22px}.feature-strip p{font-size:10px}.login-intro{padding:45px 8%}.login-intro h1{font-size:32px}}@media(max-width:600px){.sidebar{display:none}main{margin-left:0;padding:0 17px}header{height:65px}.breadcrumb{font-size:10px}.breadcrumb span{padding:0 8px}.private-badge{font-size:9px}.hero{margin-top:18px;padding:28px 22px;min-height:320px}.hero h1{font-size:32px;letter-spacing:2px}.hero .eyebrow{font-size:8px;letter-spacing:1.8px}.hero p{font-size:11px;max-width:215px}.hero-board{position:absolute;right:-95px;bottom:-40px;width:230px;opacity:.25}.hero .primary{position:relative}.feature-strip{padding:24px 0;gap:12px}.feature-strip>div{display:block}.feature-strip>div>span{font-size:19px;display:block;margin-bottom:9px}.feature-strip h3{font-size:11px}.feature-strip p{font-size:9px}.section-heading h2{font-size:20px}.section-heading p{font-size:10px}.secondary{font-size:10px;padding:10px}.game-row{padding:14px 10px;gap:10px}.game-row>span:first-of-type{display:none}.mini-stone{width:30px;font-size:28px}.game-row h3{font-size:12px}.game-row p{font-size:9px}.game-row>svg{width:14px}.status{font-size:9px!important}.game-heading h1{font-size:24px}.game-heading p{font-size:9px}.board-panel{padding:12px}.board-toolbar{margin-bottom:14px}.insight-panel{grid-template-columns:1fr}.player-row{font-size:11px}.turn-message{font-size:9px}.board-actions{gap:24px}.game-heading{padding:20px 0}footer{flex-wrap:wrap;gap:10px}footer small{width:100%;margin:0}.login-page{display:block}.login-intro{padding:24px 30px 35px}.login-intro .brand{margin-bottom:25px}.login-intro .eyebrow{font-size:8px}.login-intro h1{font-size:27px;letter-spacing:2px}.login-intro p{display:none}.login-decoration{position:absolute;width:175px;right:-50px;bottom:90px;opacity:.3}.login-form{margin:35px auto}.login-form>svg{display:none}.login-form h2{font-size:25px}}[hidden]{display:none!important}.goban-host{position:relative;width:100%;height:100%}.goban-host canvas{position:absolute;top:0;left:0}.goban-host .ShadowLayer{z-index:1}.goban-host .StoneLayer{z-index:2}.goban-host .PenLayer{z-index:3}.mobile-logout{display:none}@media(max-width:600px){.mobile-logout{display:inline-flex;margin-left:8px}}.chart-label button{font-size:10px;padding:0;color:inherit}.workspace,.board-panel,.insight-panel,.card{min-width:0}.goban-host{max-width:100%}@media(max-width:900px){.workspace{grid-template-columns:minmax(0,1fr)}}
