*{box-sizing:border-box}html,body,#root{min-height:100%;margin:0}html{background:var(--sk-bg)}body{background:var(--sk-bg);color:var(--sk-text);font-family:system-ui,-apple-system,PingFang SC,Microsoft YaHei,sans-serif;font-size:13px;line-height:1.55;-webkit-font-smoothing:antialiased}button,input,select,textarea{font:inherit}a{color:var(--sk-active-text);text-decoration:none}a:hover{text-decoration:underline}button,a,input,select{-webkit-tap-highlight-color:transparent}:focus-visible{outline:2px solid var(--sk-accent);outline-offset:2px}::placeholder{color:var(--sk-text-muted);opacity:1}.app-shell{min-height:100vh;display:flex;flex-direction:column}.app-header{position:sticky;top:0;z-index:40;display:flex;align-items:center;gap:12px;height:48px;padding:0 16px;flex:0 0 48px;background:var(--sk-surface);border-bottom:1px solid var(--sk-border)}.brand{display:inline-flex;align-items:center;gap:8px;color:var(--sk-text-strong);font-size:15px;font-weight:600;white-space:nowrap}.brand:hover{text-decoration:none}.brand-logo{width:28px;height:28px;object-fit:contain}.app-nav{display:flex;align-items:center;gap:6px}.app-nav-item{display:inline-flex;align-items:center;height:28px;padding:0 10px;border-radius:6px;color:var(--sk-text)}.app-nav-item:hover{background:var(--sk-hover);text-decoration:none}.app-nav-item.active{background:var(--sk-active-bg);color:var(--sk-active-text)}.header-account{margin-left:auto;display:flex;align-items:center;min-width:0}.app-content{width:100%;max-width:1600px;margin:0 auto;padding:16px;flex:1}.page-heading{display:flex;align-items:flex-start;justify-content:space-between;gap:12px;margin-bottom:12px}.page-title{margin:0;color:var(--sk-text-strong);font-size:18px;line-height:1.4;font-weight:600}.page-description{margin:4px 0 0;color:var(--sk-text-muted)}.mono{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:11.5px}.muted{color:var(--sk-text-muted)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;height:32px;padding:0 12px;border:1px solid transparent;border-radius:6px;cursor:pointer;white-space:nowrap;transition:background-color .14s var(--sk-ease),border-color .14s var(--sk-ease),color .14s var(--sk-ease),box-shadow .14s var(--sk-ease)}.btn-sm{height:28px;padding:0 10px}.btn-lg{height:40px;padding:0 16px}.btn-primary{background:var(--sk-accent);color:var(--sk-on-accent)}.btn-primary:hover{background:var(--sk-accent-hover)}.btn-secondary{background:var(--sk-surface);border-color:var(--sk-border-strong);color:var(--sk-text)}.btn-secondary:hover,.btn-ghost:hover{background:var(--sk-hover)}.btn-ghost{background:transparent;color:var(--sk-text)}.btn-danger{background:var(--sk-danger);color:var(--sk-on-danger)}.btn-danger:hover{background:var(--sk-danger-hover)}.btn:disabled,.icon-button:disabled{opacity:.4;pointer-events:none}.icon-button{display:inline-flex;align-items:center;justify-content:center;width:28px;height:28px;padding:0;border:0;border-radius:6px;background:transparent;color:var(--sk-text-muted);cursor:pointer;font-size:18px}.icon-button:hover{background:var(--sk-hover);color:var(--sk-text-strong)}.button-row{display:flex;align-items:center;gap:8px;flex-wrap:wrap}.danger-link{color:var(--sk-text-muted)}.danger-link:hover{color:var(--sk-danger-hover);background:var(--sk-danger-muted)}.input{width:100%;height:36px;padding:0 10px;border:1px solid var(--sk-border-strong);border-radius:6px;background:var(--sk-surface);color:var(--sk-text);transition:border-color .14s var(--sk-ease),box-shadow .14s var(--sk-ease)}.input:focus{border-color:var(--sk-accent);box-shadow:0 0 0 1px var(--sk-accent);outline:none}.input:disabled{opacity:.4}.input[type=number]{min-width:88px}.select{cursor:pointer}.checkbox{display:inline-flex;align-items:center;gap:8px;min-height:28px;cursor:pointer}.checkbox input{width:16px;height:16px;margin:0;accent-color:var(--sk-accent)}.field{display:flex;flex-direction:column;gap:6px;min-width:0}.field-label{color:var(--sk-text-muted);font-size:11px;font-weight:600;letter-spacing:.05em;text-transform:uppercase}.field-hint{color:var(--sk-text-muted);font-size:12px}.field-error{color:var(--sk-danger);font-size:12px}.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.form-grid .span-2{grid-column:span 2}.card{padding:16px;background:var(--sk-surface);border:1px solid var(--sk-border);border-radius:14px;box-shadow:none}.card+.card{margin-top:12px}.card-header{display:flex;align-items:flex-start;justify-content:space-between;gap:12px;margin-bottom:12px}.card-title{margin:0;color:var(--sk-text-strong);font-size:15px;font-weight:600}.card-description{margin:4px 0 0;color:var(--sk-text-muted)}.card-actions{display:flex;align-items:center;gap:8px;flex-wrap:wrap}.badge{display:inline-flex;align-items:center;justify-content:center;max-width:100%;padding:2px 8px;border-radius:9999px;font-size:12px;font-weight:500;line-height:1.5}.badge-neutral{background:var(--sk-hover);color:var(--sk-text)}.badge-success{background:var(--sk-success-muted);color:var(--sk-success)}.badge-warning{background:var(--sk-warning-muted);color:var(--sk-warning)}.badge-danger{background:var(--sk-danger-muted);color:var(--sk-danger-hover)}.badge-info{background:var(--sk-info-muted);color:var(--sk-info)}.library-layout{display:grid;grid-template-columns:180px minmax(0,1fr);gap:16px;align-items:start}.library-sidebar{position:sticky;top:64px;padding:8px;background:var(--sk-surface);border:1px solid var(--sk-border);border-radius:8px}.sidebar-title{margin:4px 6px 8px;color:var(--sk-text-muted);font-size:11px;font-weight:600;letter-spacing:.05em;text-transform:uppercase}.category-button{display:flex;align-items:center;justify-content:space-between;gap:8px;width:100%;min-height:34px;padding:6px 8px;border:0;border-radius:6px;background:transparent;color:var(--sk-text);cursor:pointer;text-align:left}.category-button:hover{background:var(--sk-hover)}.category-button.active{background:var(--sk-active-bg);color:var(--sk-active-text)}.category-button>span:first-child{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.library-toolbar{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:12px}.library-toolbar 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12px}.game-name{display:block;overflow:hidden;color:var(--sk-text-strong);font-weight:600;text-overflow:ellipsis;white-space:nowrap}.game-meta{display:block;margin-top:4px;color:var(--sk-text-muted);font-size:12px}.skeleton{display:block;background:var(--sk-hover);animation:skeleton-pulse 1.4s var(--sk-ease) infinite}.skeleton-cover{width:100%;aspect-ratio:1}.skeleton-line{height:12px;border-radius:6px}.skeleton-nav{height:34px;margin:2px 0 6px;border-radius:6px}.skeleton-card{pointer-events:none}.skeleton-card .game-info{display:grid;gap:8px}.skeleton-card .game-info .skeleton-line:last-child{width:55%}.empty{min-height:220px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:8px;padding:32px 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var(--sk-border);border-radius:6px;object-fit:cover;background:var(--sk-hover)}.cover-empty{display:inline-flex;align-items:center;justify-content:center;color:var(--sk-text-muted);font-size:11px}.admin-table{min-width:920px}.import-table{min-width:620px}.import-toolbar{display:grid;grid-template-columns:minmax(180px,1fr) auto auto;gap:8px;align-items:end;margin-bottom:12px}.table-empty{padding:24px;color:var(--sk-text-muted);text-align:center}.cover-editor{display:flex;align-items:center;gap:12px;padding:12px;border:1px solid var(--sk-border);border-radius:8px}.cover-editor 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h2{margin:0;color:var(--sk-text-strong);font-size:15px;font-weight:600}.dialog-header p{margin:4px 0 0;color:var(--sk-text-muted)}.dialog-body{flex:1;min-height:0;overflow-y:auto;padding:16px}.dialog-footer{display:flex;justify-content:flex-end;gap:8px;padding:12px 16px;border-top:1px solid var(--sk-border)}.confirm-text{margin:0;color:var(--sk-text-muted)}.toast-region{position:fixed;right:16px;bottom:16px;z-index:2100;display:flex;flex-direction:column;gap:8px;width:min(420px,calc(100vw - 32px));pointer-events:none}.toast{display:flex;align-items:center;gap:10px;padding:10px 12px;border:1px solid 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