:root{--accent:#ef4444;--accent2:#dc2626;--glow:#ef444438}@media (width<=700px){.nav-links.open{display:flex}}.logo span{color:var(--gold)}.badge{border:1px solid var(--accent);color:var(--accent);background:#ef444412;border-radius:4px;margin-top:10px;padding:4px 14px;font-family:Space Grotesk,monospace;font-size:9px;display:inline-block}.stat-box{background:var(--surface);border:1px solid var(--border);text-align:center;border-radius:10px;padding:16px}.filter-panel{background:var(--surface);border:1px solid var(--border);border-radius:12px;margin-bottom:20px;padding:20px;position:relative;overflow:hidden}.filter-panel:before{content:"";background:linear-gradient(90deg,var(--accent),var(--accent2));height:3px;position:absolute;top:0;left:0;right:0}.filter-label{text-transform:uppercase;letter-spacing:.1em;color:var(--text-dim);margin-bottom:10px;font-size:11px;font-weight:700}.filter-row{flex-wrap:wrap;gap:7px;margin-bottom:14px;display:flex}.filter-row:last-child{margin-bottom:0}.fbtn{border:1px solid var(--border);background:var(--surface2);color:var(--text-dim);cursor:pointer;border-radius:6px;padding:7px 14px;font-family:Manrope,sans-serif;font-size:12px;font-weight:700;transition:all .15s}.fbtn:hover{border-color:var(--accent);color:var(--text)}.fbtn.on{border-color:var(--accent);color:var(--accent);background:#ef44441f}.gen-wrap{text-align:center;margin-bottom:24px}.gen-btn{background:var(--accent);color:#fff;cursor:pointer;border:none;border-radius:8px;padding:16px 48px;font-family:Space Grotesk,monospace;font-size:11px;transition:all .15s;position:relative;top:0;box-shadow:0 5px #96000080}.gen-btn:hover{top:-2px;box-shadow:0 7px #96000080}.gen-btn:active{box-shadow:none;top:5px}.card-wrap{animation:.3s fadeUp}@keyframes fadeUp{0%{opacity:0;transform:translateY(12px)}to{opacity:1;transform:translateY(0)}}.challenge-card{background:var(--surface);border:1px solid var(--border);border-radius:14px;margin-bottom:20px;padding:28px;position:relative;overflow:hidden}.challenge-card:before{content:"";background:linear-gradient(90deg,var(--accent),var(--accent2));height:3px;position:absolute;top:0;left:0;right:0}.card-top{flex-wrap:wrap;justify-content:space-between;align-items:flex-start;gap:8px;margin-bottom:16px;display:flex}.cat-badge{color:var(--accent);background:#ef44441a;border:1px solid #ef444440;border-radius:6px;align-items:center;gap:7px;padding:5px 12px;font-size:12px;font-weight:700;display:flex}.diff-badge{border:1px solid var(--border);border-radius:6px;padding:5px 12px;font-size:11px;font-weight:700}.diff-badge.easy{color:#4ade80;background:#4ade8014;border-color:#4ade804d}.diff-badge.medium{color:#fbbf24;background:#fbbf2414;border-color:#fbbf244d}.diff-badge.hard{color:#f97316;background:#f9731614;border-color:#f973164d}.diff-badge.nightmare{color:#ef4444;background:#ef444414;border-color:#ef44444d}.challenge-text{color:var(--text);margin-bottom:16px;font-size:18px;font-weight:800;line-height:1.55}.meta-row{flex-wrap:wrap;gap:12px;margin-bottom:18px;display:flex}.meta-pill{background:var(--surface2);border:1px solid var(--border);color:var(--text-dim);border-radius:4px;padding:4px 10px;font-size:12px;font-weight:700}.tips-toggle{border:1px solid var(--border);color:var(--text-dim);cursor:pointer;text-align:left;background:0 0;border-radius:6px;justify-content:space-between;width:100%;padding:7px 14px;font-family:Manrope,sans-serif;font-size:12px;font-weight:700;transition:all .15s;display:flex}.tips-toggle:hover{border-color:var(--accent);color:var(--accent)}.tips-body.open{display:block}.tips-body ul{flex-direction:column;gap:6px;list-style:none;display:flex}.tips-body li{color:var(--text-dim);padding-left:20px;font-size:13px;line-height:1.6;position:relative}.tips-body li:before{content:"💡";font-size:12px;position:absolute;left:0}.card-actions{flex-wrap:wrap;gap:10px;margin-top:18px;display:flex}.ca-btn{cursor:pointer;border:none;border-radius:6px;flex:1;min-width:120px;padding:11px 16px;font-family:Manrope,sans-serif;font-size:12px;font-weight:700;transition:all .15s}.ca-complete{background:var(--accent);color:#fff;box-shadow:0 3px #96000066}.ca-complete:hover{transform:translateY(-1px)}.ca-complete.done{color:#0a0e0f;background:#4ade80;box-shadow:0 3px #00780066}.ca-share{background:var(--surface2);border:1px solid var(--border);color:var(--text-dim)}.ca-share:hover{border-color:var(--accent);color:var(--accent)}.daily-section{background:var(--surface);border:1px solid #ef44444d;border-radius:12px;margin-bottom:20px;padding:20px;position:relative;overflow:hidden}.daily-section:before{content:"";background:linear-gradient(90deg,#ffd60a,#f97316);height:3px;position:absolute;top:0;left:0;right:0}.daily-title{color:var(--gold);margin-bottom:10px;font-family:Space Grotesk,monospace;font-size:9px}.daily-challenge{color:var(--text);font-size:15px;font-weight:700;line-height:1.6}.daily-meta{color:var(--text-dim);margin-top:6px;font-size:12px}.history-section{background:var(--surface);border:1px solid var(--border);border-radius:12px;margin-bottom:32px;padding:20px}.history-title{color:var(--text-dim);margin-bottom:14px;font-family:Space Grotesk,monospace;font-size:9px}.hist-item{background:var(--surface2);border:1px solid var(--border);cursor:pointer;border-radius:7px;align-items:center;gap:10px;margin-bottom:7px;padding:9px 12px;transition:border-color .15s;display:flex}.hist-item:hover{border-color:var(--accent)}.hist-item:last-child{margin-bottom:0}.hist-cat{flex-shrink:0;font-size:16px}.hist-text{white-space:nowrap;text-overflow:ellipsis;flex:1;font-size:13px;font-weight:700;overflow:hidden}.hist-diff{color:var(--text-dim);font-size:10px}.hist-done{color:#4ade80;font-size:14px}.seo{background:var(--surface);border:1px solid var(--border);border-radius:12px;margin-bottom:36px;padding:26px}.seo h2{color:var(--accent);margin-bottom:12px;font-family:Space Grotesk,monospace;font-size:11px;line-height:1.7}.seo p{color:var(--text-dim);margin-bottom:10px;font-size:14px;line-height:1.85}