@layer base{*,:before,:after{box-sizing:border-box;margin:0;padding:0}}:root{--pa-brand-50:#fef3ec;--pa-brand-100:#fddfc9;--pa-brand-200:#fbba8a;--pa-brand-300:#f8924b;--pa-brand-400:#f47420;--pa-brand-500:#e8620a;--pa-brand-600:#c9530a;--pa-brand-700:#a34208;--pa-brand:#e8620a;--pa-brand-hover:#c9530a;--pa-bg:#fafaf7;--pa-surface:#fff;--pa-elevated:#f4f4f0;--pa-text:#1c2027;--pa-text-sec:#4b5563;--pa-muted:#9ca3af;--pa-border:#e5e7eb;--pa-border-h:#d1d5db;--pa-grey-50:#fafaf7;--pa-grey-100:#f4f4f0;--pa-grey-200:#e5e7eb;--pa-grey-300:#d1d5db;--pa-grey-400:#9ca3af;--pa-grey-500:#6b7280;--pa-grey-600:#4b5563;--pa-grey-700:#374151;--pa-grey-800:#1c2027;--pa-grey-900:#101112;--pa-success:#16a34a;--pa-error:#dc2626;--pa-shadow-sm:0 1px 2px #0000000d;--pa-shadow-md:0 4px 12px #00000014;--pa-ease-out:cubic-bezier(.23, 1, .32, 1);--pa-mono:"JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace}.pa-sr-only{clip:rect(0, 0, 0, 0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.pa-container{max-width:1440px;margin:0 auto;padding:0 20px}@media (min-width:768px){.pa-container{padding:0 40px}}@media (min-width:1280px){.pa-container{padding:0 80px}}.pa-navbar{z-index:100;border-bottom:1px solid var(--pa-grey-200);background:#fff;height:64px;position:sticky;top:0}.pa-navbar-inner{justify-content:space-between;align-items:center;gap:16px;height:100%;display:flex}.pa-logo-link{align-items:center;gap:8px;text-decoration:none;display:inline-flex}.pa-logo-img{width:auto;height:36px}@media (min-width:768px){.pa-logo-img{height:40px}}.pa-logo-text{letter-spacing:-.02em;color:var(--pa-grey-900);white-space:nowrap;font-size:18px;font-weight:700}.pa-navbar-right{align-items:center;gap:12px;display:inline-flex}.pa-nav-link{color:var(--pa-brand);font-size:14px;font-weight:600;text-decoration:none}.pa-page{flex-direction:column;gap:24px;padding-top:24px;padding-bottom:64px;display:flex}@media (min-width:768px){.pa-page{gap:28px;padding-top:28px}}.pa-breadcrumb{white-space:nowrap;scrollbar-width:none;overflow-x:auto}.pa-breadcrumb::-webkit-scrollbar{display:none}.pa-breadcrumb-list{align-items:center;gap:8px;list-style:none;display:inline-flex}.pa-breadcrumb-item{white-space:nowrap;align-items:center;font-size:14px;font-weight:500;display:inline-flex}.pa-breadcrumb-link{color:var(--pa-brand);text-decoration:none}.pa-breadcrumb-link:hover{color:var(--pa-brand-hover)}.pa-breadcrumb-current{color:var(--pa-grey-500)}.pa-breadcrumb-sep{color:var(--pa-grey-300);align-items:center;display:inline-flex}.pa-page-header{flex-direction:column;gap:8px;margin-top:4px;display:flex}.pa-page-title{letter-spacing:-.02em;color:var(--pa-grey-900);font-size:28px;font-weight:700;line-height:1.25}@media (min-width:768px){.pa-page-title{font-size:36px}}.pa-page-subtitle{color:var(--pa-grey-500);letter-spacing:-.02em;max-width:720px;font-size:15px;line-height:1.6}@media (min-width:768px){.pa-page-subtitle{font-size:16px}}.pa-toolbar{flex-direction:column;gap:10px;margin-top:4px;display:flex}.pa-toolbar-search{flex:auto;min-width:0}.pa-toolbar-filters{grid-template-columns:1fr 1fr;gap:10px;display:grid}.pa-toolbar-filters>:nth-child(3){grid-column:1/-1}@media (min-width:768px){.pa-toolbar{flex-direction:row;align-items:center;gap:12px}.pa-toolbar-filters{flex-flow:row;gap:12px;display:flex}}.pa-search{align-items:center;width:100%;display:flex;position:relative}.pa-search-icon{color:var(--pa-grey-400);pointer-events:none;position:absolute;top:50%;left:14px;transform:translateY(-50%)}.pa-search-input{border:1px solid var(--pa-grey-300);width:100%;height:44px;font:inherit;color:var(--pa-grey-800);letter-spacing:-.02em;transition:border-color .15s var(--pa-ease-out), box-shadow .15s var(--pa-ease-out);background:#fff;border-radius:8px;padding:0 14px 0 40px;font-size:14px;font-weight:500}.pa-search-input::placeholder{color:var(--pa-grey-400)}.pa-search-input:focus{border-color:var(--pa-brand);outline:none;box-shadow:0 0 0 3px #e8620a1f}.pa-filter{width:100%;position:relative}@media (min-width:768px){.pa-filter{width:auto;min-width:160px}}.pa-filter-select{appearance:none;border:1px solid var(--pa-grey-200);width:100%;height:44px;font:inherit;color:var(--pa-grey-800);letter-spacing:-.02em;cursor:pointer;transition:border-color .15s var(--pa-ease-out), background .15s var(--pa-ease-out), box-shadow .15s var(--pa-ease-out);background:#fff url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='none' viewBox='0 0 24 24'><path stroke='%236B7280' stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='m6 9 6 6 6-6'/></svg>") right 14px center no-repeat;border-radius:10px;padding:0 40px 0 16px;font-size:14px;font-weight:600}.pa-filter-select:hover{border-color:var(--pa-grey-300)}.pa-filter-select:focus{border-color:var(--pa-brand);outline:none;box-shadow:0 0 0 3px #e8620a1f}.pa-table-wrap{border:1px solid var(--pa-grey-200);-webkit-overflow-scrolling:touch;background:#fff;border-radius:16px;overflow-x:auto}.pa-problem-table{border-collapse:collapse;width:100%;min-width:460px}@media (min-width:768px){.pa-problem-table{min-width:640px}}.pa-problem-table thead{background:var(--pa-grey-100)}.pa-problem-table th{text-align:left;color:var(--pa-grey-600);border-bottom:1px solid var(--pa-grey-200);white-space:nowrap;padding:14px 18px;font-size:13px;font-weight:600}@media (min-width:768px){.pa-problem-table th{padding:16px 24px;font-size:14px}}.pa-problem-table td{vertical-align:middle;white-space:nowrap;padding:14px 18px;font-size:14px}@media (min-width:768px){.pa-problem-table td{padding:18px 24px}}.pa-problem-table tbody tr{cursor:pointer;transition:background .15s var(--pa-ease-out)}.pa-problem-table tbody tr+tr td{border-top:1px solid var(--pa-grey-200)}.pa-problem-table tbody tr:hover{background:var(--pa-brand-50)}.pa-problem-table .pa-td-title{color:var(--pa-grey-900);font-weight:600}.pa-problem-table .pa-td-title a{color:inherit;text-decoration:none}.pa-problem-table .pa-td-title a:hover{color:var(--pa-brand)}.pa-problem-table .pa-td-meta{color:var(--pa-grey-500);font-weight:500}.pa-problem-table .pa-th-status,.pa-problem-table .pa-td-status{text-align:center;width:120px}.pa-status-completed{color:var(--pa-success);display:inline-flex}.pa-status-pending{color:var(--pa-grey-300);font-size:18px;font-weight:500}.pa-status-in-progress{color:var(--pa-brand);font-size:16px;font-weight:600}.pa-status-badge{white-space:nowrap;border-radius:12px;align-items:center;gap:4px;padding:2px 8px;font-size:12px;font-weight:600;display:inline-flex}.pa-status-badge-completed{color:#166534;background:#dcfce7}.pa-status-badge-in-progress{color:#92400e;background:#fef3c7}.pa-status-badge-not-started{color:#6b7280;background:#f3f4f6}.pa-arena-completed-badge{text-transform:uppercase;color:#166534;letter-spacing:.5px;background:#dcfce7;border-radius:10px;align-items:center;padding:2px 8px;font-size:11px;font-weight:700;display:inline-flex}.pa-sidebar-dot.is-in-progress{background:var(--pa-brand);opacity:.6}.pa-detail-shell{background:var(--pa-bg);flex-direction:column;min-height:calc(100vh - 64px);display:flex}@media (min-width:1024px){.pa-detail-shell{flex-direction:row;height:calc(100vh - 64px);overflow:hidden}}.pa-sidebar{border-right:1px solid var(--pa-grey-200);background:#fff;flex-direction:column;flex-shrink:0;width:280px;height:100%;display:none;overflow:hidden}.pa-sidebar-collapsed{width:48px}@media (min-width:1024px){.pa-sidebar{display:flex}}.pa-sidebar-header{border-bottom:1px solid var(--pa-grey-200);justify-content:space-between;align-items:center;gap:8px;min-height:56px;padding:14px 14px 14px 18px;display:flex}.pa-sidebar-title{font-family:var(--pa-mono);letter-spacing:.06em;text-transform:uppercase;color:var(--pa-grey-600);font-size:13px;font-weight:700}.pa-sidebar-toggle{border:1px solid var(--pa-grey-200);width:28px;height:28px;color:var(--pa-grey-600);cursor:pointer;background:#fff;border-radius:6px;justify-content:center;align-items:center;display:inline-flex}.pa-sidebar-expand-btn{border:1px solid var(--pa-grey-200);width:28px;height:28px;color:var(--pa-grey-600);cursor:pointer;background:#fff;border-radius:6px;justify-content:center;align-items:center;margin:10px auto;display:inline-flex}.pa-sidebar-body{flex:auto;padding:8px 0;overflow-y:auto}.pa-sidebar-group{border-bottom:1px solid var(--pa-grey-200)}.pa-sidebar-group:last-child{border-bottom:none}.pa-sidebar-group-header{width:100%;font-family:var(--pa-mono);letter-spacing:.14em;text-transform:uppercase;color:var(--pa-grey-600);background:0 0;border:0;justify-content:space-between;align-items:center;padding:12px 18px;font-size:11px;font-weight:600;display:flex}.pa-sidebar-group-count{color:var(--pa-muted);font-weight:500}.pa-sidebar-list{flex-direction:column;gap:2px;padding:0 8px 8px;list-style:none;display:flex}.pa-sidebar-link{color:var(--pa-grey-600);transition:background .15s var(--pa-ease-out), color .15s var(--pa-ease-out);border-radius:8px;align-items:center;gap:10px;padding:8px 10px;font-size:13px;font-weight:500;line-height:18px;text-decoration:none;display:flex}.pa-sidebar-link:hover{background:var(--pa-brand-50);color:var(--pa-brand-700)}.pa-sidebar-link.is-active{background:var(--pa-brand-50);color:var(--pa-brand-700);font-weight:600}.pa-sidebar-link.is-active .pa-sidebar-dot{background:var(--pa-brand);border-color:var(--pa-brand)}.pa-sidebar-dot{border:1.5px solid var(--pa-border-h);color:#fff;background:#fff;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:18px;height:18px;display:inline-flex}.pa-sidebar-dot.is-done{background:var(--pa-success);border-color:var(--pa-success)}.pa-sidebar-item-title{text-overflow:ellipsis;white-space:nowrap;flex:auto;min-width:0;overflow:hidden}.pa-sidebar-diff{font-family:var(--pa-mono);letter-spacing:.06em;text-transform:uppercase;background:var(--pa-elevated);color:var(--pa-grey-600);border-radius:4px;padding:2px 6px;font-size:10px;font-weight:600}.pa-diff-easy{color:#166534;background:#dcfce7}.pa-diff-medium{color:#92400e;background:#fef3c7}.pa-diff-hard{color:#991b1b;background:#fee2e2}.pa-detail-layout{background:#fff;flex-direction:column;flex:auto;min-width:0;min-height:calc(100vh - 64px);display:flex}@media (min-width:768px){.pa-detail-layout{background:var(--pa-brand-50);gap:16px;padding:16px}}@media (min-width:1024px){.pa-detail-layout{flex-direction:row;gap:16px;height:100%;min-height:0;padding:16px;overflow:hidden}}.pa-detail-left{background:#fff;flex-direction:column;display:flex}@media (min-width:768px){.pa-detail-left{border:1px solid var(--pa-grey-200);border-radius:14px;overflow:hidden}}@media (min-width:1024px){.pa-detail-left{flex:45%;min-width:0;height:100%}}.pa-detail-tabs{scrollbar-width:none;border-bottom:1px solid var(--pa-grey-200);flex-shrink:0;align-items:center;padding:0 4px;display:flex;overflow-x:auto}.pa-detail-tabs::-webkit-scrollbar{display:none}@media (min-width:768px){.pa-detail-tabs{border-bottom:none;gap:4px;padding:0}}.pa-detail-tab{height:44px;font:inherit;color:var(--pa-grey-500);white-space:nowrap;cursor:pointer;transition:background .15s var(--pa-ease-out), color .15s var(--pa-ease-out), border-color .15s var(--pa-ease-out);background:0 0;border:none;border-bottom:2px solid #0000;align-items:center;gap:6px;padding:0 10px;font-size:13px;font-weight:600;display:inline-flex}@media (min-width:768px){.pa-detail-tab{gap:8px;padding:0 16px;font-size:14px}}.pa-detail-tab:hover{color:var(--pa-grey-800)}.pa-detail-tab.is-active{color:var(--pa-brand);border-bottom-color:var(--pa-brand)}@media (min-width:768px){.pa-detail-tab.is-active{background:var(--pa-brand-50)}}.pa-detail-tab.pa-tab-locked{color:var(--pa-grey-400)}.pa-detail-tab.pa-tab-locked:hover{color:var(--pa-grey-500)}.pa-detail-body{flex:auto;padding:20px 16px;overflow-y:auto}@media (min-width:768px){.pa-detail-body{padding:28px}}.pa-problem-title{letter-spacing:-.02em;color:var(--pa-grey-900);font-size:20px;font-weight:700;line-height:1.4}.pa-pill-row{flex-wrap:wrap;gap:8px;margin-top:12px;display:flex}.pa-pill{letter-spacing:-.01em;border-radius:999px;align-items:center;height:26px;padding:0 12px;font-size:12px;font-weight:600;display:inline-flex}.pa-pill-sql{color:#c2410c;background:#ffedd5}.pa-pill-python{color:#047857;background:#dcfce7}.pa-pill-difficulty{background:var(--pa-brand-50);color:var(--pa-brand-hover);border:1px solid var(--pa-brand-100)}.pa-body-text{color:var(--pa-grey-700);letter-spacing:-.01em;margin-top:16px;font-size:14px;font-weight:500;line-height:1.6}.pa-body-text h1,.pa-body-text h2,.pa-body-text h3,.pa-body-text h4{color:var(--pa-grey-900);letter-spacing:-.02em;margin-top:24px;margin-bottom:8px;font-family:Plus Jakarta Sans,system-ui,sans-serif;font-weight:700}.pa-body-text h1{font-size:20px;line-height:1.3}.pa-body-text h2{font-size:17px;line-height:1.35}.pa-body-text h3{font-size:15px;line-height:1.4}.pa-body-text h4{font-size:14px;line-height:1.5}.pa-body-text p{margin-top:0;margin-bottom:12px}.pa-body-text ul,.pa-body-text ol{margin:0 0 12px;padding-left:24px}.pa-body-text li{margin-bottom:4px}.pa-body-text table{border-collapse:collapse;border:1px solid var(--pa-grey-200);border-radius:8px;width:100%;margin:16px 0;font-size:13px;overflow:hidden}.pa-body-text thead{background:var(--pa-grey-100)}.pa-body-text th{text-align:left;color:var(--pa-grey-600);letter-spacing:.04em;border-bottom:2px solid var(--pa-grey-200);white-space:nowrap;padding:10px 14px;font-family:Plus Jakarta Sans,system-ui,sans-serif;font-size:12px;font-weight:700}.pa-body-text td{border-bottom:1px solid var(--pa-grey-200);color:var(--pa-grey-800);vertical-align:top;padding:10px 14px;font-weight:500}.pa-body-text tr:nth-child(2n) td{background:var(--pa-grey-50)}.pa-body-text tr:last-child td{border-bottom:none}.pa-body-text tr:hover td{background:var(--pa-brand-50)}.pa-body-text code{font-family:var(--pa-mono);background:var(--pa-grey-100);border:1px solid var(--pa-grey-200);color:var(--pa-brand-700);border-radius:4px;padding:2px 6px;font-size:12px}.pa-body-text pre{background:var(--pa-grey-100);border:1px solid var(--pa-grey-200);font-family:var(--pa-mono);color:var(--pa-grey-800);border-radius:8px;margin:12px 0;padding:14px 16px;font-size:13px;line-height:1.6;overflow-x:auto}.pa-body-text pre code{font-size:inherit;color:inherit;background:0 0;border:none;padding:0}.pa-body-text strong{color:var(--pa-grey-900);font-weight:700}.pa-body-text em{color:var(--pa-grey-600);font-style:italic}.pa-body-text a{color:var(--pa-brand);text-underline-offset:2px;text-decoration:underline}.pa-body-text a:hover{color:var(--pa-brand-hover)}.pa-body-text blockquote{border-left:3px solid var(--pa-brand);background:var(--pa-brand-50);color:var(--pa-grey-700);border-radius:0 8px 8px 0;margin:12px 0;padding:12px 16px;font-size:14px}.pa-section-heading{color:var(--pa-grey-900);letter-spacing:-.02em;margin-top:20px;font-size:15px;font-weight:700}.pa-hint-block{flex-direction:column;gap:8px;margin-top:16px;display:flex}.pa-hint-toggle{border:1px solid var(--pa-brand);color:var(--pa-brand-700);font:inherit;cursor:pointer;background:0 0;border-radius:8px;align-self:flex-start;align-items:center;gap:8px;padding:8px 14px;font-size:13px;font-weight:600;display:inline-flex}.pa-hint-toggle:hover{background:var(--pa-brand-50)}.pa-hint-content{background:var(--pa-brand-50);border:1px solid var(--pa-brand-200);border-left:3px solid var(--pa-brand);color:var(--pa-grey-800);border-radius:8px;padding:14px 16px;font-size:14px;line-height:1.6}.pa-hint-locked{background:var(--pa-grey-100);border:1px solid var(--pa-grey-200);color:var(--pa-grey-500);border-radius:8px;align-items:center;gap:8px;padding:14px 16px;font-size:13px;line-height:1.6;display:flex}.pa-table-block{flex-direction:column;gap:8px;margin-top:16px;display:flex}.pa-table-label{color:var(--pa-grey-700);align-items:center;gap:8px;font-size:14px;display:inline-flex}.pa-table-name-chip{font-family:var(--pa-mono);background:var(--pa-grey-100);height:24px;color:var(--pa-grey-700);border:1px solid var(--pa-grey-200);border-radius:6px;align-items:center;padding:0 10px;font-size:12px;font-weight:600;display:inline-flex}.pa-schema-wrap{border:1px solid var(--pa-grey-200);background:#fff;border-radius:8px;overflow:hidden}.pa-schema-table{border-collapse:collapse;width:100%;font-size:13px}.pa-schema-table th,.pa-schema-table td{text-align:left;border-bottom:1px solid var(--pa-grey-200);color:var(--pa-grey-700);padding:10px 14px;font-weight:500}.pa-schema-table th{background:var(--pa-grey-100);font-weight:600}.pa-schema-table tr:last-child td{border-bottom:none}.pa-schema-table th:first-child,.pa-schema-table td:first-child{width:50%}.pa-detail-right{flex-direction:column;gap:12px;min-width:0;padding:16px;display:flex}@media (min-width:768px){.pa-detail-right{padding:0}}@media (min-width:1024px){.pa-detail-right{flex:55%;height:100%}}.pa-editor-card{border:1px solid var(--pa-grey-200);background:#fff;border-radius:14px;flex-direction:column;min-height:240px;display:flex;overflow:hidden}@media (min-width:1024px){.pa-editor-card{flex:auto;min-height:0}}.pa-card-header{border-bottom:1px solid var(--pa-grey-200);color:var(--pa-grey-800);letter-spacing:-.02em;justify-content:space-between;align-items:center;gap:12px;padding:14px 20px;font-size:14px;font-weight:700;display:flex}.pa-editor-body{background:#fafafa;flex:auto;min-height:220px;overflow:hidden}@media (min-width:1024px){.pa-editor-body{min-height:0}}.pa-code-area{resize:vertical;width:100%;height:100%;min-height:220px;font-family:var(--pa-mono);color:var(--pa-grey-800);background:#fafafa;border:none;outline:none;padding:16px 20px;font-size:13px;line-height:1.6}.pa-code-area:focus{background:#fff}.pa-btn{height:42px;font:inherit;letter-spacing:-.02em;cursor:pointer;transition:background .15s var(--pa-ease-out), border-color .15s var(--pa-ease-out), color .15s var(--pa-ease-out), transform .16s var(--pa-ease-out);border-radius:10px;justify-content:center;align-items:center;padding:0 22px;font-size:14px;font-weight:700;display:inline-flex}.pa-btn-run{border:1.5px solid var(--pa-brand);color:var(--pa-brand);background:#fff}.pa-btn-run:hover{background:var(--pa-brand-50)}.pa-btn-run:disabled{opacity:.5;cursor:not-allowed}.pa-btn-submit{background:var(--pa-brand);border:1.5px solid var(--pa-brand);color:#fff;height:32px;padding:0 16px;font-size:13px}.pa-btn-submit:hover{background:var(--pa-brand-hover);border-color:var(--pa-brand-hover)}.pa-btn-submit:disabled{opacity:.5;cursor:not-allowed}.pa-btn:active{transform:scale(.97)}.pa-output-card{border:1px solid var(--pa-grey-200);background:#fff;border-radius:14px;flex-direction:column;min-height:160px;display:flex;overflow:hidden}@media (min-width:1024px){.pa-output-card{flex:0 38%;min-height:180px}}.pa-output-header{border-bottom:1px solid var(--pa-grey-200);justify-content:space-between;align-items:center;gap:12px;height:48px;padding:0 20px;display:flex}.pa-output-header-left{align-items:center;gap:16px;min-width:0;display:flex}.pa-output-title{color:var(--pa-grey-800);font-size:14px;font-weight:700}.pa-output-tabs{align-items:center;gap:4px;display:inline-flex}.pa-output-tab{height:32px;font:inherit;color:var(--pa-grey-500);cursor:pointer;background:0 0;border:none;border-radius:6px;padding:0 12px;font-size:13px;font-weight:600}.pa-output-tab.is-active{background:var(--pa-brand-50);color:var(--pa-brand-hover)}.pa-output-duration{font-family:var(--pa-mono);color:var(--pa-grey-500);font-size:12px}.pa-output-body{flex:auto;min-height:120px;padding:16px 20px;overflow-y:auto}.pa-output-error{color:var(--pa-error);margin-bottom:12px;font-size:14px;font-weight:500}.pa-output-table-wrap{border:1px solid var(--pa-grey-200);background:#fff;border-radius:8px;overflow:auto}.pa-output-table{border-collapse:collapse;width:100%;font-family:var(--pa-mono);font-size:13px}.pa-output-table thead{background:var(--pa-grey-100)}.pa-output-table th{text-align:left;color:var(--pa-grey-700);border-bottom:1px solid var(--pa-grey-200);white-space:nowrap;padding:10px 14px;font-weight:600}.pa-output-table td{border-top:1px solid var(--pa-grey-200);color:var(--pa-grey-800);padding:10px 14px;font-weight:500}.pa-output-table tr:nth-child(2n) td{background:var(--pa-grey-50)}.pa-col-type{color:var(--pa-grey-400);margin-left:8px;font-size:11px;font-weight:500}.pa-console-text{font-family:var(--pa-mono);color:var(--pa-grey-700);white-space:pre-wrap;margin:12px 0 0;font-size:13px;line-height:1.6}.pa-solution-view{padding:8px 0}.pa-solution-block{margin-bottom:24px}.pa-solution-block:last-child{margin-bottom:0}.pa-solution-code-wrap{margin-top:12px}.pa-solution-code{background:var(--pa-grey-100);border:1px solid var(--pa-grey-200);font-family:var(--pa-mono);color:var(--pa-grey-800);border-radius:8px;margin:8px 0 0;padding:14px 16px;font-size:13px;line-height:1.6;overflow-x:auto}.pa-solution-code code{font-family:inherit;font-size:inherit;color:inherit;background:0 0;border:none;padding:0}.pa-submissions-view{padding:8px 0}.pa-submissions-table{border-collapse:collapse;width:100%;font-size:13px}.pa-submissions-table th{text-align:left;color:var(--pa-grey-600);border-bottom:1px solid var(--pa-grey-200);background:var(--pa-grey-100);padding:10px 14px;font-weight:600}.pa-submissions-table td{border-bottom:1px solid var(--pa-grey-200);color:var(--pa-grey-700);padding:10px 14px}.pa-submissions-table tr:hover td{background:var(--pa-brand-50)}.pa-sub-code code{font-family:var(--pa-mono);font-size:12px}.pa-sub-status{font-size:12px;font-weight:600}.pa-sub-status-accepted{color:#166534}.pa-sub-status-rejected{color:#991b1b}.pa-sub-time{color:var(--pa-grey-500);white-space:nowrap;font-size:12px}.pa-nav-back{border:1px solid var(--pa-grey-200);height:36px;color:var(--pa-grey-800);transition:background .15s var(--pa-ease-out), border-color .15s var(--pa-ease-out), color .15s var(--pa-ease-out);background:#fff;border-radius:8px;align-items:center;gap:8px;padding:0 12px;font-size:14px;font-weight:600;text-decoration:none;display:inline-flex}.pa-nav-back:hover{background:var(--pa-brand-50);border-color:var(--pa-brand-300);color:var(--pa-brand-hover)}.pa-nav-back-label{white-space:nowrap}@media (max-width:539px){.pa-nav-back-label{display:none}.pa-nav-back{justify-content:center;width:36px;padding:0}}.pa-nav-icon-btn{border:1px solid var(--pa-grey-200);width:36px;height:36px;color:var(--pa-brand);transition:background .15s var(--pa-ease-out), border-color .15s var(--pa-ease-out);background:#fff;border-radius:8px;justify-content:center;align-items:center;text-decoration:none;display:inline-flex}.pa-nav-icon-btn:hover{background:var(--pa-brand-50);border-color:var(--pa-brand-300)}.pa-nav-icon-btn[aria-disabled=true]{color:var(--pa-grey-300);cursor:not-allowed;pointer-events:none}.pa-nav-button-group{align-items:center;gap:8px;display:inline-flex}.pa-avatar{background:var(--pa-brand);color:#fff;width:36px;height:36px;transition:background .15s var(--pa-ease-out);border-radius:50%;justify-content:center;align-items:center;font-size:14px;font-weight:700;text-decoration:none;display:inline-flex}.pa-avatar:hover{background:var(--pa-brand-hover)}.pa-result-banner{border-radius:8px;margin-top:12px;padding:12px 16px;font-size:14px;font-weight:600}.pa-result-correct{color:#166534;background:#dcfce7}.pa-result-incorrect{color:#991b1b;background:#fee2e2}.pa-view-toggle{background:var(--pa-grey-100);border-radius:10px;align-items:center;gap:4px;padding:4px;display:inline-flex}.pa-view-btn{height:36px;font:inherit;color:var(--pa-grey-600);cursor:pointer;transition:background .15s var(--pa-ease-out), color .15s var(--pa-ease-out);background:0 0;border:none;border-radius:8px;align-items:center;padding:0 16px;font-size:14px;font-weight:600;display:inline-flex}.pa-view-btn:hover{color:var(--pa-grey-800)}.pa-view-btn.is-active{color:var(--pa-brand);box-shadow:var(--pa-shadow-sm);background:#fff}.pa-accordion-list{flex-direction:column;gap:12px;display:flex}.pa-accordion-item{border:1px solid var(--pa-grey-200);transition:border-color .15s var(--pa-ease-out), box-shadow .15s var(--pa-ease-out);background:#fff;border-radius:14px;overflow:hidden}.pa-accordion-item:hover{border-color:var(--pa-grey-300)}.pa-accordion-item.is-expanded{border-color:var(--pa-brand-200);box-shadow:var(--pa-shadow-md)}.pa-accordion-header{width:100%;font:inherit;cursor:pointer;text-align:left;background:0 0;border:none;justify-content:space-between;align-items:center;gap:16px;padding:18px 20px;display:flex}@media (min-width:768px){.pa-accordion-header{padding:20px 24px}}.pa-accordion-main{flex-direction:column;gap:4px;min-width:0;display:flex}.pa-accordion-title{color:var(--pa-grey-900);letter-spacing:-.02em;font-size:16px;font-weight:700}@media (min-width:768px){.pa-accordion-title{font-size:18px}}.pa-accordion-meta{color:var(--pa-grey-500);font-size:13px;font-weight:500}.pa-accordion-actions{flex-shrink:0;align-items:center;gap:12px;display:inline-flex}.pa-accordion-link{height:32px;color:var(--pa-brand);background:var(--pa-brand-50);transition:background .15s var(--pa-ease-out);border-radius:8px;align-items:center;padding:0 14px;font-size:13px;font-weight:600;text-decoration:none;display:inline-flex}.pa-accordion-link:hover{background:var(--pa-brand-100)}.pa-accordion-chevron{width:32px;height:32px;color:var(--pa-grey-500);flex-shrink:0;justify-content:center;align-items:center;display:inline-flex}.pa-accordion-body{border-top:1px solid var(--pa-grey-200);padding:16px 20px}@media (min-width:768px){.pa-accordion-body{padding:20px 24px}}.pa-accordion-loading,.pa-accordion-error,.pa-accordion-empty{text-align:center;color:var(--pa-grey-500);padding:24px;font-size:14px;font-weight:500}.pa-accordion-error{color:var(--pa-error)}.pa-accordion-problems{flex-direction:column;gap:4px;list-style:none;display:flex}.pa-accordion-problem{transition:background .15s var(--pa-ease-out);border-radius:8px;overflow:hidden}.pa-accordion-problem:hover{background:var(--pa-brand-50)}.pa-accordion-problem-link{color:inherit;align-items:center;gap:12px;padding:12px 14px;text-decoration:none;display:flex}.pa-accordion-problem-status{flex-shrink:0;justify-content:center;align-items:center;width:24px;height:24px;display:inline-flex}.pa-accordion-problem-title{min-width:0;color:var(--pa-grey-800);text-overflow:ellipsis;white-space:nowrap;flex:auto;font-size:14px;font-weight:600;overflow:hidden}.pa-accordion-problem-diff{font-family:var(--pa-mono);letter-spacing:.06em;text-transform:uppercase;border-radius:4px;flex-shrink:0;padding:2px 8px;font-size:11px;font-weight:600}:focus-visible{outline:2px solid var(--pa-brand);outline-offset:2px}.pa-modal-overlay{z-index:200;background:#0006;justify-content:center;align-items:center;padding:16px;display:flex;position:fixed;inset:0}.pa-modal{background:#fff;border-radius:14px;flex-direction:column;width:100%;max-width:640px;max-height:80vh;display:flex;box-shadow:0 8px 30px #0000001f}.pa-modal-header{border-bottom:1px solid var(--pa-grey-200);justify-content:space-between;align-items:center;padding:16px 20px;display:flex}.pa-modal-title{color:var(--pa-grey-900);letter-spacing:-.02em;font-size:15px;font-weight:700}.pa-modal-close{border:1px solid var(--pa-grey-200);width:32px;height:32px;color:var(--pa-grey-500);cursor:pointer;transition:background .15s var(--pa-ease-out), color .15s var(--pa-ease-out);background:0 0;border-radius:8px;justify-content:center;align-items:center;display:inline-flex}.pa-modal-close:hover{background:var(--pa-grey-100);color:var(--pa-grey-800)}.pa-modal-body{flex:auto;padding:20px;overflow-y:auto}.pa-modal-meta{align-items:center;gap:12px;margin-bottom:16px;display:flex}.pa-modal-code{background:var(--pa-grey-100);border:1px solid var(--pa-grey-200);font-family:var(--pa-mono);color:var(--pa-grey-800);white-space:pre-wrap;word-break:break-word;border-radius:8px;margin:0;padding:16px;font-size:13px;line-height:1.6;overflow-x:auto}.pa-modal-code code{font-family:inherit;font-size:inherit;color:inherit;background:0 0;border:none;padding:0}.pa-modal-actions{justify-content:flex-end;margin-top:16px;display:flex}@media (prefers-reduced-motion:reduce){*{transition-duration:.01ms!important;animation-duration:.01ms!important}}