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var(--line);justify-content:space-between;align-items:center;gap:20px;min-height:66px;padding:11px 15px;display:flex}.map-cpp-route{align-items:center;gap:10px;display:flex}.map-cpp-route>span{background:var(--ink-strong);color:#fff;border-radius:9px;align-items:center;gap:6px;height:38px;padding:0 13px;font-size:10px;font-weight:680;display:flex}.map-version{color:#899896;align-items:center;gap:6px;font-size:9px;display:flex}.map-main-grid{grid-template-columns:minmax(0,1.1fr) minmax(320px,.72fr);min-height:760px;display:grid}.level-path-panel{border-right:1px solid var(--line);background:#f8faf8;padding:28px}.path-panel-head{justify-content:space-between;align-items:flex-start;margin-bottom:22px;display:flex}.path-panel-head>div{flex-direction:column;gap:3px;display:flex}.path-panel-head>div span{color:#8a9896;letter-spacing:.08em;text-transform:uppercase;font-size:8px;font-weight:700}.path-panel-head>div 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p{color:var(--muted);font-size:11px}.button.primary{background:var(--brand)}.button.primary:hover{background:var(--brand-hover)}.archive-layout{grid-template-columns:190px minmax(0,1fr);gap:20px}.archive-sidebar{top:116px}.sidebar-label{color:var(--muted)}.year-list button{border-radius:6px}.year-list button:hover{background:var(--surface-soft)}.year-list button.active{background:var(--brand-soft);border-color:#b9cce3}.year-list button.active span,.year-list button svg{color:var(--brand)}.archive-tip{color:#a9c2df;background:#343b46}.archive-tip p{color:#c0c4ca}.archive-filter-bar{justify-content:flex-start}.archive-cpp-label>span{background:#343b46}.archive-cpp-label small{color:var(--muted)}.archive-level-select{border-color:var(--line);background:var(--surface-soft);height:40px;margin-left:auto}.archive-level-select:focus-within{border-color:var(--brand);box-shadow:0 0 0 3px #245fae1f}.archive-mode-switch{border:1px solid var(--line);background:var(--surface-soft);border-radius:6px;grid-template-columns:1fr 1fr;height:40px;display:grid;overflow:hidden}.archive-mode-switch button{min-width:62px;color:var(--muted);cursor:pointer;background:0 0;border:0;font-size:11px;font-weight:700}.archive-mode-switch button.active{background:var(--brand);color:#fff}.archive-heading-row>div:first-child>span{color:var(--muted);font-size:11px}.archive-heading-row h2{color:var(--ink-strong);font-size:24px}.duration-chip{border-color:var(--line);color:var(--muted)}.session-card-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:10px}.session-card{min-height:210px;color:inherit;cursor:pointer;text-align:left;flex-direction:column;align-items:stretch;padding:16px;transition:border-color .15s,background .15s;display:flex}.session-card:hover{box-shadow:none;background:#fcfbf9;border-color:#9eacbd;transform:none}.session-card.selected-session{border-color:var(--brand);background:#f8fbff;box-shadow:0 0 0 2px #245fae14}.session-month{color:var(--brand)}.session-month b{font-size:22px}.session-title{color:var(--ink-strong);margin-top:13px;font-size:13px;line-height:1.4}.session-description{color:var(--muted);margin-top:6px;font-size:11px;line-height:1.55}.session-stats{margin-top:13px}.session-stats span{color:var(--muted);background:#f1eee8;font-size:10px}.session-select-action{color:var(--brand);align-items:center;gap:4px;margin-top:auto;padding-top:12px;font-size:11px;font-weight:700;display:inline-flex}.session-selection-bar{border:1px solid var(--line);background:#fff;border-radius:8px;justify-content:space-between;align-items:center;gap:16px;min-height:58px;margin-top:10px;padding:10px 12px;display:flex}.session-selection-bar>span{flex-direction:column;gap:3px;display:flex}.session-selection-bar strong{color:var(--ink-strong);font-size:12px}.session-selection-bar a{background:var(--brand);color:#fff;white-space:nowrap;border-radius:6px;align-items:center;gap:5px;height:40px;padding:0 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#245fae14}.path-node{border-color:var(--line);color:var(--muted);background:#f1eee8}.path-level.selected .path-node{border-color:var(--brand);background:var(--brand)}.path-level-copy small{color:var(--muted);font-size:9px}.path-level-copy strong{color:var(--ink-strong);font-size:13px}.path-level-copy>span{color:var(--muted);font-size:11px}.path-level>svg{color:var(--brand)}.detail-panel-kicker>span{background:#343b46}.detail-panel-kicker small{color:var(--brand);font-size:10px}.detail-panel-kicker strong{color:var(--ink-strong)}.level-detail-panel>p{color:var(--muted);font-size:12px}.detail-section-head{color:#44443f;font-size:12px}.detail-section-head small{color:var(--muted);font-size:10px}.knowledge-chip-grid>span{border-color:var(--line);background:var(--surface-soft);color:#4f4f4a;font-size:11px}.knowledge-chip-grid i{color:var(--muted);font-size:9px}.detail-practice-cta{background:var(--brand);font-size:12px}.detail-practice-cta:hover{background:var(--brand-hover)}.workspace-page{background:#e9e7e2;height:calc(100dvh - 64px)}.workspace-topbar{border-color:var(--line);background:#fff}.workspace-breadcrumb{color:var(--muted);font-size:11px}.workspace-breadcrumb a{color:#4e5f72}.workspace-breadcrumb a:hover{color:var(--brand)}.workspace-breadcrumb strong{color:var(--ink-strong)}.workspace-breadcrumb em{border-radius:4px}.workspace-status{color:var(--muted);font-size:11px}.workspace-demo-tag{border-color:var(--line);color:#555550}.workspace-body{background:#e9e7e2}.workspace-resizer{color:#85817a;background:#dbd8d2}.workspace-resizer:after{background:#b8b4ad}.workspace-resizer:hover:after,.workspace-resizer[data-separator=active]:after{background:var(--brand)}.workspace-resizer:focus-visible{outline:2px solid var(--brand);outline-offset:-2px}.statement-panel{border-color:var(--line);background:#fff}.workspace-tabs,.editor-toolbar{border-color:var(--line)}.workspace-tabs button{color:var(--muted)}.workspace-tabs button.active{color:var(--ink-strong)}.workspace-tabs button.active:after{background:var(--brand)}.editor-panel{background:#0f1115;border-color:#292e36}.editor-toolbar{color:#d2d7de;background:#171a1f;border-color:#292e36}.editor-toolbar-actions>button{color:#959da8}.editor-toolbar-actions>button:hover{background:#252a32}.cpp-standard-badge{color:#e1e5eb;background:#20242b;border-color:#343a44}.cpp-standard-badge small{color:#8d949e}.code-editor-shell{background:#0f1115}.code-line-numbers{color:#626a75;background:#13161a}.code-textarea{color:#e1e5ea;caret-color:#6ea0e1}.code-textarea:focus-visible{outline-offset:-3px;outline:2px solid #6ea0e1}.editor-save-state{color:#8e96a1;background:#171a1ff0;border-color:#303640}.test-panel{background:#14171c;border-color:#292e36}.test-tabs{border-color:#292e36}.test-tabs button{color:#9199a4}.test-tabs button.active{color:#edf0f4}.test-tabs button i{background:#48b98d;box-shadow:0 0 0 3px #48b98d1f}.case-tab-row button{color:#9098a3}.case-tab-row button.active{color:#fff;background:#252a32}.case-content label{color:#9aa2ad}.case-content textarea{color:#e0e5eb;background:#0f1115;border-color:#303640}.case-content textarea:focus{border-color:#6ea0e1;box-shadow:0 0 0 3px #6ea0e11f}.run-result{color:#9199a4}.run-result strong{color:#e0e4ea}.run-result span{color:#929aa5}.run-result.success{color:#48b98d}.run-result.offline{color:#dfaa52}.result-spinner{border-color:#6ea0e1 #303640 #303640}.editor-footer-actions{background:#171a1f;border-color:#292e36}.editor-footer-actions>span{color:#929aa5}.run-button,.submit-button{color:#e1e5eb;background:#252a32;border-color:#39404b;border-radius:6px}.run-button:hover{background:#2d333d}.submit-button{border-color:var(--brand);background:var(--brand);color:#fff}.submit-button:hover{background:var(--brand-hover)}@media (width<=1050px){.hub-hero-inner{grid-template-columns:minmax(0,1fr) 340px;gap:28px}.hub-hero-copy{width:auto}.session-card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media (width<=760px){.header-topbar{height:52px}.header-mainbar{height:50px}.reference-header .header-inner{width:calc(100% - 24px)}.hub-home{min-height:calc(100dvh - 102px)}.hub-hero{height:auto;min-height:0}.hub-hero-inner{grid-template-columns:1fr;gap:20px;min-height:0;padding:24px 0;display:grid}.hub-hero-copy{width:100%}.hub-hero-copy h1{font-size:31px}.hub-hero-copy p{font-size:13px}.hub-plan-card{width:100%}.hub-tab-list button>span{flex-direction:row;gap:6px}.hub-section-toolbar{padding-top:5px}.archive-mode-switch{width:100%}.hub-plan-heading select,.hub-mode-switch,.hub-toolbar-link,.archive-level-select,.archive-mode-switch,.session-selection-bar a{min-height:44px}.session-card-grid{grid-template-columns:1fr}.session-selection-bar{flex-direction:column;align-items:stretch}.session-selection-bar a{justify-content:center}.plain-inner-page{min-height:calc(100dvh - 102px)}}@property --tw-rotate-x{syntax:"*";inherits:false}@property --tw-rotate-y{syntax:"*";inherits:false}@property --tw-rotate-z{syntax:"*";inherits:false}@property --tw-skew-x{syntax:"*";inherits:false}@property --tw-skew-y{syntax:"*";inherits:false}@property --tw-border-style{syntax:"*";inherits:false;initial-value:solid}@property --tw-ordinal{syntax:"*";inherits:false}@property --tw-slashed-zero{syntax:"*";inherits:false}@property --tw-numeric-figure{syntax:"*";inherits:false}@property --tw-numeric-spacing{syntax:"*";inherits:false}@property --tw-numeric-fraction{syntax:"*";inherits:false}@property --tw-outline-style{syntax:"*";inherits:false;initial-value:solid}@property --tw-blur{syntax:"*";inherits:false}@property --tw-brightness{syntax:"*";inherits:false}@property --tw-contrast{syntax:"*";inherits:false}@property --tw-grayscale{syntax:"*";inherits:false}@property --tw-hue-rotate{syntax:"*";inherits:false}@property --tw-invert{syntax:"*";inherits:false}@property --tw-opacity{syntax:"*";inherits:false}@property --tw-saturate{syntax:"*";inherits:false}@property --tw-sepia{syntax:"*";inherits:false}@property --tw-drop-shadow{syntax:"*";inherits:false}@property --tw-drop-shadow-color{syntax:"*";inherits:false}@property --tw-drop-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-drop-shadow-size{syntax:"*";inherits:false}:root{--studio-bg:#fdfcf7;--studio-text-primary:#1c1b18;--studio-text-secondary:#5c5a54;--studio-text-muted:#8c8980;--studio-cobalt:#1a4f9c;--studio-cobalt-light:#f1f4f9;--studio-amber:#b45309;--studio-amber-light:#fef3c7;--studio-cyan:#0f766e;--studio-cyan-light:#ccfbf1;--studio-border:#e6e4dc;--studio-border-focus:#1a4f9c;--studio-radius-sm:6px;--studio-radius-md:10px;--studio-radius-lg:16px;--studio-shadow-sm:0 1px 2px #1c1b180a;--studio-shadow-md:0 4px 12px #1c1b180d}body{min-height:100vh;line-height:1.55;background-color:var(--studio-bg)!important;color:var(--studio-text-primary)!important;font-family:var(--font-geist-sans), -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif!important;font-size:17px!important}.site-header.reference-header{border-bottom:1px solid var(--studio-border)!important;box-shadow:var(--studio-shadow-sm)!important;background-color:#fff!important}.header-topbar{border-bottom:1px solid 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strong{justify-content:center;align-items:center;min-height:32px;display:flex;color:var(--studio-text-primary)!important;font-size:16px!important;font-weight:700!important;line-height:1.2!important}.desktop-nav{gap:8px!important}.desktop-nav .nav-link{color:var(--studio-text-secondary)!important;border-radius:var(--studio-radius-sm)!important;padding:8px 14px!important;font-size:15.5px!important;font-weight:500!important;transition:all .2s!important}.desktop-nav .nav-link:hover{color:var(--studio-cobalt)!important;background-color:var(--studio-cobalt-light)!important}.desktop-nav .nav-link.active{color:var(--studio-cobalt)!important;background-color:#0000!important;font-weight:600!important}.search-trigger{min-height:40px;border:1px solid var(--studio-border)!important;border-radius:var(--studio-radius-md)!important;color:var(--studio-text-secondary)!important;background-color:#faf9f6!important;padding:8px 14px!important;transition:all 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p{color:var(--studio-text-secondary)!important;max-width:540px!important;margin-bottom:28px!important;font-size:15px!important;line-height:1.6!important}.hub-hero-actions{flex-wrap:wrap!important;gap:12px!important;display:flex!important}.hub-hero-actions a{border-radius:var(--studio-radius-md)!important;align-items:center!important;gap:8px!important;min-height:44px!important;padding:10px 20px!important;font-size:14.5px!important;font-weight:600!important;text-decoration:none!important;transition:all .2s cubic-bezier(.16,1,.3,1)!important;display:inline-flex!important}.hub-hero-actions a:first-child{background-color:var(--studio-cobalt)!important;color:#fff!important;box-shadow:0 4px 12px #1a4f9c33!important}.hub-hero-actions a:first-child:hover{background-color:#154182!important;transform:translateY(-1px)!important}.hub-hero-actions a:last-child{color:var(--studio-text-secondary)!important;border:1px solid var(--studio-border)!important;background-color:#fff!important}.hub-hero-actions a:last-child:hover{border-color:var(--studio-text-secondary)!important;color:var(--studio-text-primary)!important;background-color:#faf9f6!important}.hub-plan-card{border:1px solid var(--studio-border)!important;border-radius:var(--studio-radius-lg)!important;box-shadow:var(--studio-shadow-md)!important;background-color:#fff!important;padding:24px!important;position:relative!important;overflow:hidden!important}.hub-plan-card:before{content:"";background-color:var(--studio-cobalt);width:4px;height:100%;position:absolute;top:0;left:0}.hub-plan-heading{border-bottom:1px dashed var(--studio-border)!important;justify-content:space-between!important;align-items:center!important;margin-bottom:16px!important;padding-bottom:14px!important;display:flex!important}.hub-plan-heading span{text-transform:uppercase!important;letter-spacing:.05em!important;color:var(--studio-text-muted)!important;font-size:12px!important;font-weight:600!important}.hub-plan-heading label{cursor:pointer;background-color:var(--studio-cobalt-light)!important;border-radius:var(--studio-radius-sm)!important;border:1px solid #1a4f9c1a!important;align-items:center!important;gap:4px!important;padding:4px 8px 4px 12px!important;display:inline-flex!important}.hub-plan-heading select{color:var(--studio-cobalt)!important;cursor:pointer!important;appearance:none!important;background:0 0!important;border:none!important;outline:none!important;padding-right:4px!important;font-size:14px!important;font-weight:700!important}.hub-plan-summary strong{color:var(--studio-text-primary)!important;margin-bottom:6px!important;font-size:18px!important;font-weight:800!important;display:block!important}.hub-plan-summary p{color:var(--studio-text-secondary)!important;margin-bottom:20px!important;font-size:14px!important;line-height:1.5!important}.hub-plan-stats{border-radius:var(--studio-radius-md)!important;background-color:#faf9f6!important;border:1px solid #00000005!important;grid-template-columns:1fr 1fr!important;gap:12px!important;margin-bottom:20px!important;padding:12px!important;display:grid!important}.hub-plan-stats span{flex-direction:column!important;display:flex!important}.hub-plan-stats b{color:var(--studio-cobalt)!important;font-size:20px!important;font-weight:850!important}.hub-plan-stats small{color:var(--studio-text-muted)!important;font-size:11px!important;font-weight:500!important}.hub-plan-links{gap:16px!important;display:flex!important}.hub-plan-links a{color:var(--studio-cobalt)!important;align-items:center!important;gap:4px!important;font-size:13.5px!important;font-weight:600!important;text-decoration:none!important;transition:color 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i{background-color:var(--studio-cobalt)!important;height:2px!important;position:absolute!important;bottom:-1px!important;left:0!important;right:0!important}.hub-training-area{padding:48px 0!important}.hub-section-toolbar{border-bottom:1px solid var(--studio-border)!important;justify-content:space-between!important;align-items:flex-end!important;margin-bottom:32px!important;padding-bottom:20px!important;display:flex!important}.hub-section-toolbar h2{color:var(--studio-text-primary)!important;margin-top:4px!important;margin-bottom:4px!important;font-size:24px!important;font-weight:800!important}.hub-section-toolbar p{color:var(--studio-text-secondary)!important;max-width:600px!important;font-size:14px!important}.hub-mode-switch{border-radius:var(--studio-radius-sm)!important;border:1px solid var(--studio-border)!important;background-color:#eae7df!important;padding:3px!important;display:inline-flex!important}.hub-mode-switch button{cursor:pointer!important;color:var(--studio-text-secondary)!important;background:0 0!important;border:none!important;border-radius:4px!important;padding:6px 12px!important;font-size:13px!important;font-weight:600!important}.hub-mode-switch button.active{color:var(--studio-text-primary)!important;box-shadow:var(--studio-shadow-sm)!important;background-color:#fff!important}.hub-toolbar-link{border:1px solid var(--studio-border)!important;border-radius:var(--studio-radius-md)!important;color:var(--studio-text-secondary)!important;background-color:#fff!important;align-items:center!important;gap:6px!important;padding:8px 16px!important;font-size:13.5px!important;font-weight:600!important;text-decoration:none!important;transition:all .2s!important;display:inline-flex!important}.hub-toolbar-link:hover{border-color:var(--studio-cobalt)!important;color:var(--studio-cobalt)!important;background-color:var(--studio-cobalt-light)!important}.hub-card-grid{grid-template-columns:repeat(auto-fill,minmax(320px,1fr))!important;gap:20px!important;display:grid!important}.hub-training-card{border:1px solid var(--studio-border)!important;border-radius:var(--studio-radius-md)!important;color:inherit!important;box-shadow:var(--studio-shadow-sm)!important;background-color:#fff!important;flex-direction:column!important;justify-content:space-between!important;padding:20px!important;text-decoration:none!important;transition:all .2s cubic-bezier(.16,1,.3,1)!important;display:flex!important}.hub-training-card:hover{box-shadow:var(--studio-shadow-md)!important;border-color:var(--studio-cobalt)!important;transform:translateY(-2px)!important}.hub-training-card.unavailable{opacity:.75!important;cursor:not-allowed!important;background-color:#faf9f6!important}.hub-training-card.unavailable:hover{box-shadow:var(--studio-shadow-sm)!important;border-color:var(--studio-border)!important;transform:none!important}.hub-card-heading{justify-content:space-between!important;align-items:center!important;margin-bottom:12px!important;display:flex!important}.hub-card-heading span{text-transform:uppercase!important;letter-spacing:.05em!important;color:var(--studio-text-muted)!important;font-size:11px!important;font-weight:600!important}.hub-card-heading em{color:var(--studio-cyan)!important;background-color:var(--studio-cyan-light)!important;border-radius:12px!important;padding:2px 8px!important;font-size:11px!important;font-style:normal!important;font-weight:600!important}.hub-training-card.unavailable .hub-card-heading em{color:var(--studio-amber)!important;background-color:var(--studio-amber-light)!important}.hub-training-card h3{color:var(--studio-text-primary)!important;margin-bottom:8px!important;font-size:17px!important;font-weight:750!important;line-height:1.3!important}.hub-training-card p{color:var(--studio-text-secondary)!important;min-height:42px!important;margin-bottom:20px!important;font-size:14px!important;line-height:1.5!important}.hub-card-footer{border-top:1px solid var(--studio-border)!important;justify-content:space-between!important;align-items:center!important;padding-top:12px!important;display:flex!important}.hub-card-footer span{color:var(--studio-text-muted)!important;align-items:center!important;gap:4px!important;font-size:12px!important;display:inline-flex!important}.hub-card-footer span i{color:var(--studio-border)!important;font-style:normal!important}.hub-card-footer strong{color:var(--studio-cobalt)!important;align-items:center!important;gap:2px!important;font-size:13.5px!important;font-weight:700!important;display:inline-flex!important}.hub-training-card.unavailable .hub-card-footer strong{color:var(--studio-text-muted)!important}.hub-bottom-note{border-top:1px dashed var(--studio-border)!important;color:var(--studio-text-muted)!important;justify-content:space-between!important;align-items:center!important;margin-top:48px!important;padding-top:20px!important;font-size:13px!important;display:flex!important}.hub-bottom-note>span{align-items:center!important;gap:6px!important;display:inline-flex!important}.hub-bottom-note div{gap:16px!important;display:flex!important}.hub-bottom-note div a{color:var(--studio-text-secondary)!important;align-items:center!important;gap:4px!important;text-decoration:none!important;transition:color .15s!important;display:inline-flex!important}.hub-bottom-note div a:hover{color:var(--studio-cobalt)!important}.skip-link:focus{background-color:var(--studio-cobalt)!important;color:#fff!important;border-radius:var(--studio-radius-sm)!important;z-index:100!important;padding:10px 20px!important}@media (width<=1100px){.hub-hero-inner{grid-template-columns:1fr!important;gap:32px!important}.hub-hero-copy{text-align:center!important;align-items:stretch!important}.hub-hero-copy>span{align-self:center!important}.hub-hero-actions{justify-content:center!important}}@media (width<=480px){.hub-hero{padding:32px 0 24px!important}.hub-hero-copy h1{font-size:28px!important}.hub-hero-copy p{font-size:14px!important}.hub-plan-card{padding:16px!important}.hub-plan-stats{grid-template-columns:1fr!important;gap:8px!important}.hub-tab-list{gap:12px!important}.hub-tab-list button{padding:12px 2px!important;font-size:13px!important}.hub-section-toolbar{flex-direction:column!important;align-items:flex-start!important;gap:16px!important}.hub-card-grid{grid-template-columns:1fr!important}.hub-bottom-note{flex-direction:column!important;align-items:flex-start!important;gap:12px!important}}@media (prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition-duration:.01ms!important;animation-duration:.01ms!important;animation-iteration-count:1!important}}.problem-bank{max-width:1200px;margin:0 auto;padding:2rem 1.5rem}.problem-view-switch{border-bottom:2px solid var(--studio-border);gap:8px;margin-bottom:2rem;padding-bottom:2px;display:flex}.problem-view-switch span,.problem-view-switch a{color:var(--studio-text-secondary);border-radius:var(--studio-radius-sm) var(--studio-radius-sm) 0 0;border-bottom:2px solid #0000;align-items:center;gap:8px;min-height:40px;margin-bottom:-4px;padding:10px 16px;font-size:15px;font-weight:600;text-decoration:none;transition:all .2s;display:inline-flex}.problem-view-switch span.active{color:var(--studio-cobalt);border-bottom-color:var(--studio-cobalt);background-color:var(--studio-cobalt-light)}.problem-view-switch a:hover{color:var(--studio-cobalt);background-color:#1a4f9c0a}.problem-view-switch a:focus-visible,.problem-view-switch span:focus-visible{outline:2px solid var(--studio-border-focus);outline-offset:-2px}.filter-panel{border:1px solid var(--studio-border);border-radius:var(--studio-radius-lg);box-shadow:var(--studio-shadow-md);background-color:#fff;margin-bottom:1.5rem;padding:1.5rem}.filter-panel-top{align-items:center;gap:12px;display:flex}.bank-search{border:1px solid var(--studio-border);border-radius:var(--studio-radius-md);background-color:#faf9f5;flex:1;align-items:center;gap:10px;min-height:44px;padding:0 16px;transition:all .2s;display:flex}.bank-search:focus-within{border-color:var(--studio-cobalt);background-color:#fff;box-shadow:0 0 0 3px #1a4f9c1f}.bank-search svg{color:var(--studio-text-muted);flex-shrink:0}.bank-search input{width:100%;color:var(--studio-text-primary);background:0 0;border:none;outline:none;padding:8px 0;font-size:15px}.bank-search input::placeholder{color:var(--studio-text-muted)}.filter-more-button{border:1px solid var(--studio-border);border-radius:var(--studio-radius-md);color:var(--studio-text-secondary);cursor:pointer;background-color:#fff;align-items:center;gap:8px;min-height:44px;padding:0 18px;font-size:14px;font-weight:500;transition:all .2s;display:flex}.filter-more-button:hover{color:var(--studio-text-primary);border-color:var(--studio-text-muted);background-color:#faf9f5}.filter-more-button:focus-visible{outline:2px solid var(--studio-border-focus)}.filter-grid{grid-template-columns:repeat(4,1fr);gap:1rem;margin-top:1rem;transition:max-height .25s ease-in-out,opacity .2s;display:grid}@media (width<=768px){.filter-grid{grid-template-columns:1fr;display:none}.filter-grid.mobile-open{display:grid}}.filter-field{flex-direction:column;gap:6px;display:flex}.filter-field>span{color:var(--studio-text-secondary);text-transform:uppercase;letter-spacing:.05em;font-size:13px;font-weight:600}.filter-field>div{align-items:center;display:flex;position:relative}.filter-field select{appearance:none;border:1px solid var(--studio-border);border-radius:var(--studio-radius-md);width:100%;color:var(--studio-text-primary);cursor:pointer;background-color:#faf9f5;min-height:40px;padding:10px 36px 10px 14px;font-size:14px;font-weight:500;transition:all .2s}.filter-field select:hover{border-color:var(--studio-text-muted);background-color:#fff}.filter-field select:focus-visible{outline:2px solid var(--studio-border-focus);background-color:#fff}.filter-field svg{pointer-events:none;color:var(--studio-text-secondary);position:absolute;right:12px}.active-filter-row{border-top:1px dashed var(--studio-border);flex-wrap:wrap;align-items:center;gap:8px;margin-top:1.25rem;padding-top:1rem;display:flex}.active-filter-row>span{color:var(--studio-text-muted);font-size:13px;font-weight:600}.active-filter-row button{background-color:var(--studio-cobalt-light);color:var(--studio-cobalt);cursor:pointer;border:1px solid #0000;border-radius:20px;align-items:center;gap:6px;min-height:32px;padding:6px 12px;font-size:13px;font-weight:500;transition:all .15s;display:inline-flex}.active-filter-row button:hover{border-color:var(--studio-cobalt);background-color:#fff}.active-filter-row button.clear-filters{color:var(--studio-text-secondary);background-color:#0000;border:none;text-decoration:underline}.active-filter-row button.clear-filters:hover{color:var(--studio-amber);background-color:var(--studio-amber-light);text-decoration:none}.result-summary{color:var(--studio-text-secondary);justify-content:space-between;align-items:center;margin-bottom:1rem;padding:0 4px;font-size:14px;display:flex}.result-summary strong{color:var(--studio-cobalt);font-weight:700}.result-summary span:last-child{color:var(--studio-text-muted);font-size:12px}.problem-table-wrap{border:1px solid var(--studio-border);border-radius:var(--studio-radius-lg);box-shadow:var(--studio-shadow-sm);background-color:#fff;margin-bottom:2rem;overflow:hidden}.problem-table{border-collapse:collapse;text-align:left;width:100%}.problem-table th{color:var(--studio-text-secondary);border-bottom:1px solid var(--studio-border);text-transform:uppercase;letter-spacing:.05em;background-color:#f7f6f0;padding:14px 16px;font-size:13px;font-weight:600}.problem-table td{border-bottom:1px solid var(--studio-border);vertical-align:middle;padding:16px;font-size:14px}.problem-table tr:last-child td{border-bottom:none}.problem-table tr.workspace-ready{transition:background-color .2s,transform .15s}.problem-table tr.workspace-ready:hover{background-color:var(--studio-cobalt-light)}.problem-table tr.workspace-unavailable{background-color:#faf9f566}.problem-table tr.workspace-unavailable:hover{background-color:#faf9f5cc}.problem-title-cell{color:var(--studio-text-primary);outline:none;flex-direction:column;gap:6px;text-decoration:none;display:flex}.problem-title-cell strong{font-size:15px;font-weight:600;transition:color .15s}.problem-table tr.workspace-ready:hover .problem-title-cell strong{color:var(--studio-cobalt)}.problem-title-cell small{font-family:var(--font-geist-mono), monospace;color:var(--studio-text-muted);background-color:#f0eee6;border-radius:4px;margin-right:8px;padding:1px 6px;font-size:12px;font-weight:500}.problem-title-cell.unavailable{cursor:not-allowed;opacity:.75}.knowledge-tag-row{flex-wrap:wrap;gap:4px;display:flex}.knowledge-tag-row i{color:var(--studio-text-secondary);background-color:#f1f0ea;border-radius:12px;padding:1px 8px;font-size:11px;font-style:normal;font-weight:500}.problem-table tr.workspace-ready:hover .knowledge-tag-row i{box-shadow:var(--studio-shadow-sm);background-color:#fff}.source-cell{flex-direction:column;gap:2px;display:flex}.source-cell strong{color:var(--studio-text-secondary);font-size:13px;font-weight:600}.source-cell small{color:var(--studio-text-muted);font-size:12px}.plain-table-text{color:var(--studio-text-secondary);font-weight:500}.difficulty-badge{letter-spacing:.02em;border-radius:20px;justify-content:center;align-items:center;padding:4px 10px;font-size:12px;font-weight:600;display:inline-flex}.difficulty-badge.入门{background-color:var(--studio-cyan-light);color:var(--studio-cyan)}.difficulty-badge.基础{background-color:var(--studio-cobalt-light);color:var(--studio-cobalt)}.difficulty-badge.进阶{background-color:var(--studio-amber-light);color:var(--studio-amber)}.placeholder-status{color:var(--studio-text-muted);align-items:center;gap:6px;font-size:12px;font-weight:600;display:inline-flex}.placeholder-status.ready{color:var(--studio-cyan)}.problem-table .placeholder-status.stage-needs-formal-recheck{color:#9a6418}.problem-table .placeholder-status.stage-local-ready{color:#53657d}.placeholder-status:before{content:"";background-color:currentColor;border-radius:50%;width:6px;height:6px;display:inline-block}.star-button{width:36px;height:36px;color:var(--studio-text-muted);cursor:pointer;background:0 0;border:none;border-radius:50%;justify-content:center;align-items:center;min-width:40px;min-height:40px;transition:all .2s;display:inline-flex}.star-button:hover{color:var(--studio-amber);background-color:#faf9f5}.star-button.active{color:var(--studio-amber)}.star-button:focus-visible{outline:2px solid var(--studio-border-focus)}.table-empty-state{text-align:center;flex-direction:column;justify-content:center;align-items:center;padding:4rem 2rem;display:flex}.table-empty-state span{width:56px;height:56px;color:var(--studio-text-muted);background-color:#faf9f5;border-radius:50%;justify-content:center;align-items:center;margin-bottom:1rem;display:inline-flex}.table-empty-state strong{color:var(--studio-text-primary);margin-bottom:.5rem;font-size:16px;font-weight:600}.table-empty-state p{color:var(--studio-text-secondary);max-width:320px;margin-bottom:1.5rem;font-size:14px}.table-empty-state button{min-height:40px}.table-pagination{border-top:1px solid var(--studio-border);justify-content:flex-end;align-items:center;gap:8px;min-height:58px;padding:10px 16px;display:flex}.table-pagination>span{color:var(--studio-text-muted);margin-right:auto;font-size:12px}.table-pagination button{border:1px solid var(--studio-border);border-radius:var(--studio-radius-sm);min-height:38px;color:var(--studio-text-secondary);cursor:pointer;background:#fff;align-items:center;gap:5px;padding:0 12px;display:inline-flex}.table-pagination button:hover:not(:disabled){border-color:var(--studio-cobalt);color:var(--studio-cobalt)}.table-pagination button:disabled{cursor:not-allowed;opacity:.45}.table-pagination button:focus-visible{outline:2px solid var(--studio-border-focus);outline-offset:2px}.bank-next-card{border:1px solid var(--studio-border);border-left:4px solid var(--studio-cobalt);border-radius:var(--studio-radius-lg);box-shadow:var(--studio-shadow-sm);background:linear-gradient(135deg,#fff,#faf9f5);justify-content:space-between;align-items:center;gap:1.5rem;padding:1.5rem;display:flex}.bank-next-card div{flex-direction:column;gap:4px;display:flex}.bank-next-card span{text-transform:uppercase;color:var(--studio-cobalt);letter-spacing:.1em;font-size:11px;font-weight:700}.bank-next-card strong{color:var(--studio-text-primary);font-size:16px;font-weight:600}.bank-next-card p{color:var(--studio-text-secondary);margin:0;font-size:13px}.button{border-radius:var(--studio-radius-md);cursor:pointer;justify-content:center;align-items:center;gap:8px;min-height:40px;padding:10px 20px;font-size:14px;font-weight:600;text-decoration:none;transition:all .2s;display:inline-flex}.button.primary{background-color:var(--studio-cobalt);color:#fff;border:1px solid #0000}.button.primary:hover{background-color:#153e77;transform:translateY(-1px)}.button.secondary{color:var(--studio-text-secondary);border:1px solid var(--studio-border);background-color:#fff}.button.secondary:hover{color:var(--studio-text-primary);border-color:var(--studio-text-muted);background-color:#faf9f5}.button:focus-visible{outline:2px solid var(--studio-border-focus)}@media (width<=640px){.table-pagination{flex-wrap:wrap}.table-pagination>span{width:100%}.bank-next-card{flex-direction:column;align-items:stretch}.bank-next-card .button{width:100%}}.archive-layout{width:100%;max-width:1200px;margin:0 auto;padding:1rem 0 2rem;display:block}.archive-sidebar{flex-direction:column;gap:1.5rem;display:flex}.sidebar-label{color:var(--studio-text-secondary);text-transform:uppercase;letter-spacing:.08em;border-bottom:1px solid var(--studio-border);padding-bottom:8px;font-size:13px;font-weight:700}.year-list{flex-direction:column;gap:12px;padding-left:20px;display:flex;position:relative}.year-list:before{content:"";background-color:var(--studio-border);width:2px;position:absolute;top:10px;bottom:10px;left:6px}.year-list button{border-radius:var(--studio-radius-md);cursor:pointer;text-align:left;background:0 0;border:1px solid #0000;flex-direction:column;align-items:flex-start;width:100%;min-height:48px;padding:10px 14px;transition:all .2s;display:flex;position:relative}.year-list button:before{content:"";border:2px solid var(--studio-text-muted);width:10px;height:10px;box-shadow:0 0 0 2px var(--studio-bg);z-index:2;background-color:#fff;border-radius:50%;transition:all .2s;position:absolute;top:20px;left:-18px}.year-list button:hover{background-color:#1a4f9c0a}.year-list button:hover:before{border-color:var(--studio-cobalt)}.year-list button.active{border-color:var(--studio-border);box-shadow:var(--studio-shadow-md);background-color:#fff}.year-list button.active:before{background-color:var(--studio-cobalt);border-color:var(--studio-cobalt);transform:scale(1.2)}.year-list button span{color:var(--studio-text-primary);font-size:16px;font-weight:700;line-height:1.2}.year-list button small{color:var(--studio-text-muted);margin-top:2px;font-size:12px}.year-list button.active span{color:var(--studio-cobalt)}.year-list button svg{color:var(--studio-cobalt);position:absolute;top:50%;right:14px;transform:translateY(-50%)}.archive-tip{border:1px solid var(--studio-border);border-radius:var(--studio-radius-md);background-color:#faf9f5;padding:1.25rem}.archive-tip svg{color:var(--studio-cobalt);margin-bottom:8px}.archive-tip strong{color:var(--studio-text-primary);margin-bottom:4px;font-size:14px;font-weight:600;display:block}.archive-tip p{color:var(--studio-text-secondary);margin:0;font-size:13px;line-height:1.5}.archive-main{flex-direction:column;gap:1.5rem;width:100%;min-width:0;display:flex}.archive-filter-bar{border:1px solid var(--studio-border);border-radius:var(--studio-radius-md);background-color:#fff;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px;padding:12px 16px;display:flex}.archive-cpp-label{flex-direction:column;display:flex}.archive-cpp-label span{color:var(--studio-text-primary);align-items:center;gap:6px;font-size:14px;font-weight:600;display:flex}.archive-cpp-label small{color:var(--studio-text-muted);font-size:12px}.archive-level-select{align-items:center;gap:8px;display:flex;position:relative}.archive-level-select span{color:var(--studio-text-secondary);font-size:13px;font-weight:600}.archive-level-select select{appearance:none;border:1px solid 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a{background-color:var(--studio-cobalt-light);color:var(--studio-cobalt);border-radius:var(--studio-radius-md);align-items:center;gap:6px;min-height:40px;padding:10px 18px;font-size:14px;font-weight:700;text-decoration:none;transition:all .2s;display:inline-flex}.session-selection-bar a:hover{background-color:#fff;transform:translateY(-1px)}.session-disabled-action{border-radius:var(--studio-radius-md);color:#ffffffad;white-space:nowrap;cursor:not-allowed;background:#ffffff14;border:1px solid #ffffff2e;min-height:40px;padding:10px 18px;font-size:13px;font-weight:700}@media (width<=640px){.session-selection-bar{flex-direction:column;align-items:stretch;padding:1.25rem}.session-selection-bar a{text-align:center;justify-content:center}.session-disabled-action{width:100%;min-height:44px}}.archive-flow-note{border:1px solid 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a:hover{text-decoration:underline}.archive-flow-note.stage-verified{background:#f2faf7;border-color:#b7dacd}.archive-flow-note.stage-needs-formal-recheck{background:#fffbeb;border-color:#efd29b}.archive-flow-note.stage-local-ready{background:#f5f9ff;border-color:#c8d9ef}.archive-flow-note.stage-source-blocked{background:#fff7f5;border-color:#edc6bf}.archive-flow-note.stage-verified>svg{color:#167255}.archive-flow-note.stage-needs-formal-recheck>svg{color:#a65c00}.archive-flow-note.stage-local-ready>svg{color:var(--studio-cobalt)}.archive-flow-note.stage-source-blocked>svg{color:#a34236}@media (width<=640px){.archive-flow-note{flex-direction:column;align-items:flex-start;gap:1rem}.archive-flow-note a{align-self:flex-end}}.knowledge-map-shell{flex-direction:column;gap:2rem;max-width:1200px;margin:0 auto;padding:2rem 1.5rem;display:flex}.map-toolbar{border-bottom:2px solid 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var(--brand);background:var(--brand);color:#fff;cursor:pointer;border-radius:7px;justify-content:center;align-items:center;gap:8px;min-height:46px;padding:0 18px;font-size:14px;font-weight:700;display:inline-flex}._primaryButton_1q86u_158:hover:not(:disabled){border-color:var(--brand-hover);background:var(--brand-hover)}._primaryButton_1q86u_158:disabled{opacity:.58;cursor:not-allowed}._spinner_1q86u_184{animation:.7s linear infinite _auth-spin_1q86u_1}._secondaryActions_1q86u_188{justify-content:space-between;gap:12px;display:flex}._secondaryActions_1q86u_188 button{min-height:40px;color:var(--brand);cursor:pointer;background:0 0;border:0;padding:0;font-size:12px;font-weight:650}._secondaryActions_1q86u_188 button:disabled{color:var(--soft-muted);cursor:not-allowed}._alternateRow_1q86u_210{border-top:1px solid var(--line);color:var(--muted);text-align:center;margin-top:22px;padding-top:18px;font-size:12px}._alternateRow_1q86u_210 a{color:var(--brand);align-items:center;gap:3px;font-weight:700;display:inline-flex}._roleLink_1q86u_227{color:var(--soft-muted);text-align:center;margin-top:13px;font-size:11px}._roleLink_1q86u_227 a:hover,._backLink_1q86u_235:hover{color:var(--brand)}._backLink_1q86u_235{width:max-content;color:var(--muted);align-items:center;gap:5px;margin:17px auto 0;font-size:12px;display:flex}@keyframes _auth-spin_1q86u_1{to{transform:rotate(360deg)}}@media (width<=760px){._page_1q86u_1{place-items:start center;min-height:calc(100dvh - 60px);padding:24px 14px 48px}._card_1q86u_13{padding:24px 20px}._heading_1q86u_20 h1{font-size:26px}._primaryButton_1q86u_158{width:100%;min-height:48px}}@media (prefers-reduced-motion:reduce){._spinner_1q86u_184{animation-duration:1.4s}}._securityPanel_1q86u_278{border:1px solid var(--line);background:#fff;border-radius:8px;padding:22px}._securityPanel_1q86u_278>header{align-items:flex-start;gap:11px;display:flex}._securityPanel_1q86u_278>header>span{background:var(--brand-soft);width:34px;height:34px;color:var(--brand);border-radius:6px;place-items:center;display:grid}._securityPanel_1q86u_278 h2,._securityPanel_1q86u_278 h3{color:var(--ink-strong);margin:0}._securityPanel_1q86u_278 h2{font-size:17px}._securityPanel_1q86u_278 h3{font-size:14px}._securityPanel_1q86u_278 header p,._emailSide_1q86u_305 p,._confirmedSide_1q86u_305 p{color:var(--muted);margin:3px 0 0;font-size:12px}._currentEmail_1q86u_307{border:1px solid var(--line);background:var(--surface-soft);border-radius:7px;grid-template-columns:auto 1fr auto;align-items:center;gap:12px;margin:18px 0;padding:12px 14px;display:grid}._currentEmail_1q86u_307>span{color:var(--soft-muted);font-size:11px}._currentEmail_1q86u_307 strong{color:var(--ink);text-overflow:ellipsis;white-space:nowrap;font-size:13px;overflow:hidden}._currentEmail_1q86u_307 em{color:var(--success);align-items:center;gap:4px;font-size:11px;font-style:normal;display:inline-flex}._emailChangeForm_1q86u_323,._confirmGrid_1q86u_324{gap:14px;display:grid}._bindingNote_1q86u_325{color:var(--soft-muted);align-items:center;gap:6px;margin:0;font-size:11px;display:flex}._emailSide_1q86u_305,._confirmedSide_1q86u_305{border:1px solid var(--line);border-radius:7px;grid-template-columns:minmax(150px,.8fr) minmax(190px,1fr) auto;align-items:end;gap:14px;padding:16px;display:grid}._confirmedSide_1q86u_305{background:#f3faf7;border-color:#cfe5db;align-items:center}._confirmedSide_1q86u_305 strong{color:var(--success);justify-self:end;align-items:center;gap:5px;font-size:12px;display:inline-flex}._emailSide_1q86u_305>form{display:contents}._emailSide_1q86u_305>form>button{border:1px solid var(--brand);background:var(--brand);color:#fff;cursor:pointer;border-radius:6px;min-height:42px;padding:0 13px;font-size:12px;font-weight:700}._emailSide_1q86u_305>form>button:disabled{opacity:.55;cursor:not-allowed}._emailSide_1q86u_305 ._field_1q86u_51{gap:5px}._emailSide_1q86u_305 ._field_1q86u_51>div{min-height:42px}._emailSide_1q86u_305 ._otpField_1q86u_102 input{font-size:17px}._cancelChange_1q86u_346{width:max-content;min-height:40px;color:var(--brand);cursor:pointer;background:0 0;border:0;padding:0;font-size:12px;font-weight:650}._restartChange_1q86u_347{justify-content:space-between;align-items:center;gap:12px;display:flex}._restartChange_1q86u_347 small{color:var(--soft-muted);font-size:11px}@media (width<=760px){._securityPanel_1q86u_278{padding:18px 16px}._currentEmail_1q86u_307{grid-template-columns:1fr auto}._currentEmail_1q86u_307>span{grid-column:1/-1}._emailSide_1q86u_305,._confirmedSide_1q86u_305{grid-template-columns:1fr;align-items:stretch}._confirmedSide_1q86u_305 strong{justify-self:start}._emailSide_1q86u_305>form>button{min-height:46px}._restartChange_1q86u_347{flex-direction:column;align-items:flex-start;gap:2px}}._page_ncq3d_1{width:min(1040px,100% - 40px);margin:0 auto;padding:54px 0 80px}._heading_ncq3d_7{margin-bottom:28px}._eyebrow_ncq3d_11{color:var(--studio-cobalt);letter-spacing:.08em;margin-bottom:7px;font-size:13px;font-weight:700;display:block}._heading_ncq3d_7 h1{color:var(--studio-text-primary);letter-spacing:-.035em;margin:0;font-size:clamp(30px,4vw,38px);line-height:1.25}._heading_ncq3d_7 p{color:var(--studio-text-secondary);margin:10px 0 0;font-size:16px;line-height:1.65}._bank_ncq3d_35{border:1px solid var(--studio-border);box-shadow:var(--studio-shadow-sm);background:#fff;border-radius:12px;overflow:hidden}._searchBar_ncq3d_43{min-height:54px;color:var(--studio-text-muted);background:#fff;border:1px solid #aeb9c8;border-radius:8px;align-items:center;gap:12px;margin:24px;padding:0 18px;transition:border-color .16s,box-shadow .16s;display:flex}._searchBar_ncq3d_43:focus-within{border-color:var(--studio-cobalt);box-shadow:0 0 0 3px #245fae1f}._searchBar_ncq3d_43 input{width:100%;min-width:0;color:var(--studio-text-primary);font:inherit;background:0 0;border:0;outline:0;padding:13px 0;font-size:17px}._searchBar_ncq3d_43 input:focus-visible{outline-offset:0!important;outline:none!important}._searchBar_ncq3d_43 input::placeholder{color:#8a929d}._levelBar_ncq3d_83{border-bottom:1px solid var(--studio-border);align-items:flex-start;gap:22px;padding:0 24px 22px;display:flex}._levelBar_ncq3d_83>span{color:var(--studio-text-muted);flex:none;padding:8px 0;font-size:14px;font-weight:600}._levelBar_ncq3d_83>div{flex-wrap:wrap;gap:6px;display:flex}._levelBar_ncq3d_83 button{min-height:36px;color:var(--studio-text-secondary);font:inherit;cursor:pointer;background:0 0;border:0;border-radius:5px;padding:7px 14px;font-size:14px}._levelBar_ncq3d_83 button:hover{color:var(--studio-cobalt);background:#f3f6fa}._levelBar_ncq3d_83 button._activeLevel_ncq3d_122{background:var(--studio-cobalt-light);color:var(--studio-cobalt);font-weight:700}._resultHeading_ncq3d_128{border-bottom:1px solid var(--studio-border);min-height:52px;color:var(--studio-text-primary);background:#fafbfc;justify-content:space-between;align-items:center;gap:16px;padding:0 24px;font-size:15px;display:flex}._resultHeading_ncq3d_128 span{color:var(--studio-text-muted);font-size:13px}._results_ncq3d_146{flex-direction:column;display:flex}._problemRow_ncq3d_151{min-height:68px;color:inherit;border-bottom:1px solid #edf0f3;grid-template-columns:minmax(240px,1fr) minmax(190px,auto) 72px 20px;align-items:center;gap:20px;padding:12px 24px;text-decoration:none;transition:background-color .14s;display:grid}._problemRow_ncq3d_151:last-child{border-bottom:0}._problemRow_ncq3d_151:hover{background:#f7f9fc}._problemRow_ncq3d_151:focus-visible{z-index:1;outline-offset:-3px;position:relative}._problemTitle_ncq3d_178{color:var(--studio-text-primary);text-overflow:ellipsis;white-space:nowrap;font-size:16px;font-weight:650;overflow:hidden}._problemRow_ncq3d_151:hover ._problemTitle_ncq3d_178{color:var(--studio-cobalt)}._problemSource_ncq3d_191{color:var(--studio-text-muted);white-space:nowrap;font-size:14px}._problemLevel_ncq3d_197{min-width:48px;color:var(--studio-text-secondary);text-align:center;white-space:nowrap;background:#f0f3f7;border-radius:4px;justify-self:end;padding:4px 8px;font-size:13px;font-weight:650}._rowArrow_ncq3d_210{color:#a5adb8}._emptyState_ncq3d_214{min-height:260px;color:var(--studio-text-muted);text-align:center;flex-direction:column;justify-content:center;align-items:center;display:flex}._emptyState_ncq3d_214 strong{color:var(--studio-text-primary);margin-top:12px;font-size:17px}._emptyState_ncq3d_214 p{margin:7px 0 0;font-size:14px}._pagination_ncq3d_235{border-top:1px solid var(--studio-border);color:var(--studio-text-muted);justify-content:flex-end;align-items:center;gap:14px;padding:18px 24px;font-size:13px;display:flex}._pagination_ncq3d_235 button{border:1px solid var(--studio-border);min-height:38px;color:var(--studio-text-secondary);font:inherit;cursor:pointer;background:#fff;border-radius:5px;align-items:center;gap:5px;padding:7px 13px;font-size:14px;display:inline-flex}._pagination_ncq3d_235 button:hover:not(:disabled){border-color:var(--studio-cobalt);color:var(--studio-cobalt)}._pagination_ncq3d_235 button:disabled{cursor:not-allowed;opacity:.42}@media (width<=720px){._page_ncq3d_1{width:min(100% - 24px,1040px);padding:34px 0 56px}._heading_ncq3d_7{margin-bottom:20px}._heading_ncq3d_7 p{font-size:15px}._searchBar_ncq3d_43{margin:16px}._levelBar_ncq3d_83{gap:12px;padding:0 16px 16px}._levelBar_ncq3d_83>span{display:none}._levelBar_ncq3d_83>div{gap:4px}._levelBar_ncq3d_83 button{padding-inline:10px}._resultHeading_ncq3d_128{padding-inline:16px}._problemRow_ncq3d_151{grid-template-columns:minmax(0,1fr) auto 18px;gap:10px;padding:13px 16px}._problemSource_ncq3d_191{white-space:normal;grid-area:2/1/auto/-1}._problemLevel_ncq3d_197{grid-area:1/2}._rowArrow_ncq3d_210{grid-area:1/3}._pagination_ncq3d_235{justify-content:center;padding-inline:16px}}