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.problem-list-status-finished{color:#86efac;background:#123c2b;border-color:#31815b}[data-theme=dark] .problem-list-status-incomplete{color:#fde68a;background:#42350b;border-color:#806b2e}[data-theme=dark] .sign-out-button,[data-theme=dark] .mobile-sign-out,[data-theme=dark] .markdown-message a,[data-theme=dark] .outcome-form summary{color:var(--accent)}[data-theme=dark] .page-surface,[data-theme=dark] .catalog-empty,[data-theme=dark] .catalog-filter-menu summary,[data-theme=dark] .catalog-filter-panel,[data-theme=dark] .catalog-sort-menu summary,[data-theme=dark] .catalog-sort-panel,[data-theme=dark] .attempt-header,[data-theme=dark] .attempt-phase,[data-theme=dark] .attempt-tutor,[data-theme=dark] .attempt-completion-actions{background:var(--surface)}[data-theme=dark] .tutor-workspace>summary{color:var(--accent);background:var(--subtle)}[data-theme=dark] .attempt-phase-complete,[data-theme=dark] .tutor-hint-panel{border-color:var(--accent);background:var(--accent-soft)}[data-theme=dark] .attempt-problem-link{border-color:var(--border);color:var(--accent);background:var(--subtle)}[data-theme=dark] .attempt-problem-link:hover,[data-theme=dark] .attempt-problem-link:focus-visible{background:var(--subtle)}[data-theme=dark] .catalog-filter-panel,[data-theme=dark] .catalog-sort-panel{box-shadow:0 12px 30px #00000052}[data-theme=dark] .catalog-filter-menu summary,[data-theme=dark] .catalog-sort-menu summary{color:var(--text)}[data-theme=dark] .catalog-filter-menu[open] summary,[data-theme=dark] .catalog-sort-menu[open] summary{color:var(--accent);background:var(--accent-soft)}[data-theme=dark] .catalog-control-value{color:var(--accent)}[data-theme=dark] .catalog-difficulty-easy{color:#34d399}[data-theme=dark] .catalog-difficulty-medium{color:#fbbf24}[data-theme=dark] .catalog-difficulty-hard{color:#fb7185}[data-theme=dark] .catalog-clear-filters{color:var(--accent);background:0 0;border-color:#0000}[data-theme=dark] .catalog-clear-filters:hover:not(:disabled){color:var(--accent);background:0 0}[data-theme=dark] .catalog-sort-option{color:var(--text);background:0 0}[data-theme=dark] .catalog-sort-option:hover:not(:disabled),[data-theme=dark] .catalog-sort-option[aria-pressed=true]{color:var(--accent);background:var(--accent-soft)}[data-theme=dark] .catalog-problem-list li{background:var(--surface)}[data-theme=dark] .catalog-problem-list li:nth-child(odd){background:var(--subtle)}[data-theme=dark] .catalog-solved{color:#6ee7b7}[data-theme=dark] .catalog-problem-link:hover:not(:disabled),[data-theme=dark] .catalog-problem-link:focus-visible{color:var(--accent);background:0 0}[data-theme=dark] .catalog-problem-details-header{border-color:var(--border)}[data-theme=dark] .catalog-pattern-list li{border-color:var(--accent);color:var(--accent);background:var(--accent-soft)}[data-theme=dark] .brand-button,[data-theme=dark] .mobile-brand,[data-theme=dark] .navigation-button,[data-theme=dark] .sign-out-button,[data-theme=dark] .mobile-sign-out{border-color:#0000}[data-theme=dark] .sign-out-button:hover:not(:disabled),[data-theme=dark] .mobile-sign-out:hover:not(:disabled){color:var(--accent);background:0 0}[data-theme=dark] .primary-button,[data-theme=dark] button[type=submit]:where(:not(.secondary-button)){box-shadow:0 2px 10px #00000047}[data-theme=dark] .primary-button:hover:not(:disabled),[data-theme=dark] button[type=submit]:where(:not(.secondary-button)):hover:not(:disabled){box-shadow:0 3px 12px #00000061}[data-theme=dark] .primary-button:active:not(:disabled),[data-theme=dark] button[type=submit]:where(:not(.secondary-button)):active:not(:disabled){box-shadow:inset 0 2px 4px #0000003d}[data-theme=dark] button:disabled{color:#8f969f;box-shadow:none;background:#33363b;border-color:#454a52}[data-theme=dark] .memory-suggestion-list li{border-color:var(--border);background:var(--subtle)}[data-theme=dark] .memory-suggestion-list p{color:var(--text)}[data-theme=dark] input:not([type=checkbox]):not([type=radio]),[data-theme=dark] select,[data-theme=dark] textarea{border-color:var(--border);color:var(--text);background:var(--surface)}[data-theme=dark] .appearance-options label{border-color:var(--border);background:var(--subtle)}[data-theme=dark] .appearance-options label:has(input:checked){border-color:var(--accent);color:var(--accent);background:var(--accent-soft)}[data-theme=dark] .markdown-message code,[data-theme=dark] .markdown-message pre{background:var(--subtle)}[data-theme=dark] .auth-message{color:#fda4af;background:#3a1721}[data-theme=dark] .danger-button{color:#fda4af;background:#3a1721;border-color:#753247}[data-theme=dark] .danger-button:hover:not(:disabled){background:#4a1c29}[data-theme=dark] .save-message{color:#86efac}.history-summary-facts{margin-top:1rem}