@import "https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;600;700&family=JetBrains+Mono:wght@400;500;600&display=swap";
:root{--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light;--bg:#f4f6fa;--bg-muted:#edf1f7;--surface:#ffffffbd;--surface-solid:#fff;--surface-raised:#ffffffe6;--surface-soft:#eef2f7;--line:#dce3ed;--line-strong:#c9d3e2;--text:#1a2433;--muted:#667386;--faint:#9aa6b7;--accent:#4f68bd;--accent-strong:#3853ad;--accent-soft:#e8edff;--accent-ink:#293a78;--green:#2f8b69;--amber:#a56d1f;--red:#bf525d;--editor-bg:#f8fafc;--editor-gutter:#edf1f6;--editor-text:#263247;--editor-line:#e5eaf1;--shadow:0 14px 42px #26344c14;--shadow-strong:0 24px 75px #26344c24;--glass-highlight:#ffffffb3}:root[data-theme=dark]{--lightningcss-light: 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input{accent-color:var(--accent);margin-right:8px}.filter-input{width:100%;color:var(--text);background:var(--surface-soft);border:1px solid var(--line);border-radius:9px;outline:none;padding:10px;font-size:11px;transition:border-color .2s,box-shadow .2s}.filter-input:focus{border-color:var(--accent);box-shadow:0 0 0 3px color-mix(in srgb, var(--accent) 14%, transparent)}.filter-control,.filter-control .filter-label{display:block}.filter-reset{justify-content:center;width:100%;margin-top:18px}.problem-card{border-radius:15px;justify-content:space-between;gap:15px;margin-bottom:10px;padding:18px 20px;transition:transform .22s,border-color .22s,box-shadow .22s,background .22s;display:flex}.problem-card:hover{border-color:color-mix(in srgb, var(--accent) 38%, var(--line));background:var(--surface-raised);box-shadow:var(--shadow-strong);transform:translateY(-3px)rotateX(1deg)}.problem-title{margin:7px 0 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