@import url('https://fonts.googleapis.com/css2?family=Archivo:wght@400;500;600;700;900&family=JetBrains+Mono:wght@400;500&display=swap');:root{--f-neon-blue:#00D9FF;--f-neon-purple:#B14EFF;--f-neon-pink:#FF2E97;--f-accent:#00D9FF;--f-bg-base:#0A0E14;--f-bg-elevated:#12161F;--f-bg-surface:#1A1F2B;--f-bg-hover:#222835;--f-border:rgba(255,255,255,0.06);--f-border-strong:rgba(255,255,255,0.12);--f-border-accent:rgba(0,217,255,0.24);--f-text-primary:#FFFFFF;--f-text-secondary:#B0B8C3;--f-text-muted:#6B7280;--f-success:#10B981;--f-warning:#F59E0B;--f-danger:#EF4444}[data-theme="light"]{--f-neon-blue:#0094FF;--f-neon-purple:#8B3DDB;--f-neon-pink:#D91C6E;--f-accent:#0094FF;--f-bg-base:#F5F7FA;--f-bg-elevated:#FFFFFF;--f-bg-surface:#FFFFFF;--f-bg-hover:#F0F2F5;--f-border:rgba(0,0,0,0.08);--f-border-strong:rgba(0,0,0,0.14);--f-border-accent:rgba(0,148,255,0.18);--f-text-primary:#111827;--f-text-secondary:#4B5563;--f-text-muted:#9CA3AF}body{background:var(--f-bg-base);color:var(--f-text-primary);font-family:'Archivo',-apple-system,BlinkMacSystemFont,sans-serif;min-height:100vh;display:flex;flex-direction:column}main{flex:1}.fp-page{max-width:1360px;margin:0 auto;padding:2.5rem 1.5rem 6rem}.fp-flash{display:flex;align-items:center;gap:0.875rem;padding:1rem 1.25rem;border-radius:0.75rem;font-weight:500;margin-bottom:1.5rem;border:2px solid}.fp-flash--success{background:rgba(16,185,129,0.1);border-color:var(--f-success);color:var(--f-success)}.fp-flash--danger{background:rgba(239,68,68,0.1);border-color:var(--f-danger);color:var(--f-danger)}.fp-flash i{font-size:1.25rem}.fp-hero{padding:3.5rem 0 2.5rem;margin-bottom:3rem;position:relative}.fp-hero::before{content:'';position:absolute;top:0;left:-1.5rem;right:-1.5rem;height:200%;background:linear-gradient(135deg,rgba(0,217,255,0.03) 0%,transparent 50%),radial-gradient(ellipse at top right,rgba(177,78,255,0.05) 0%,transparent 60%);pointer-events:none;z-index:-1}.fp-hero-eyebrow{display:inline-flex;align-items:center;gap:0.5rem;font-size:0.8125rem;font-weight:700;text-transform:uppercase;letter-spacing:0.12em;color:var(--f-accent);margin-bottom:1rem}.fp-hero h1{font-family:'Archivo',sans-serif;font-size:clamp(2.5rem,6vw,5rem);font-weight:900;line-height:0.95;letter-spacing:-0.02em;margin:0 0 1.25rem;background:linear-gradient(135deg,var(--f-text-primary) 0%,var(--f-text-secondary) 100%);background-clip:text;-webkit-background-clip:text;-webkit-text-fill-color:transparent}.fp-hero p{font-size:1.125rem;line-height:1.7;color:var(--f-text-secondary);max-width:52ch;margin:0}.fp-stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:1rem;margin-top:2.5rem}.fp-stat{background:var(--f-bg-elevated);border:2px solid var(--f-border);border-radius:1rem;padding:1.5rem;transition:all 0.3s cubic-bezier(0.4,0,0.2,1);position:relative;overflow:hidden}.fp-stat::before{content:'';position:absolute;top:0;left:0;width:100%;height:3px;background:linear-gradient(90deg,var(--f-neon-blue),var(--f-neon-purple));transform:translateX(-100%);transition:transform 0.4s ease}.fp-stat:hover::before{transform:translateX(0)}.fp-stat:hover{border-color:var(--f-border-accent);transform:translateY(-2px)}.fp-stat-value{display:block;font-family:'JetBrains Mono',monospace;font-size:2rem;font-weight:700;line-height:1;color:var(--f-accent);margin-bottom:0.5rem}.fp-stat-label{display:block;font-size:0.8125rem;font-weight:600;text-transform:uppercase;letter-spacing:0.08em;color:var(--f-text-muted)}.fp-card{background:var(--f-bg-elevated);border:2px solid var(--f-border);border-radius:1.25rem;overflow:hidden;margin-bottom:1.5rem}.fp-card-head{display:flex;align-items:center;gap:0.75rem;padding:1.25rem 1.5rem;background:var(--f-bg-surface);border-bottom:2px solid var(--f-border);font-weight:700;font-size:1.125rem}.fp-card-head i{color:var(--f-accent);font-size:1.25rem}.fp-card-body{padding:1.5rem}.fp-cat-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:1.25rem}.fp-cat-item{display:block;background:var(--f-bg-elevated);border:2px solid var(--f-border);border-radius:1rem;padding:1.75rem;text-decoration:none;color:inherit;position:relative;overflow:hidden;transition:all 0.3s cubic-bezier(0.4,0,0.2,1)}.fp-cat-item::before{content:'';position:absolute;top:0;left:0;width:4px;height:100%;background:var(--cat-color,var(--f-accent));transform:scaleY(0);transition:transform 0.3s ease;transform-origin:bottom}.fp-cat-item:hover::before{transform:scaleY(1);transform-origin:top}.fp-cat-item:hover{border-color:var(--f-border-strong);transform:translateY(-4px);box-shadow:0 12px 32px -8px rgba(0,0,0,0.3)}.fp-cat-header{display:flex;align-items:center;gap:0.875rem;margin-bottom:0.875rem}.fp-cat-icon{width:48px;height:48px;display:flex;align-items:center;justify-content:center;background:var(--cat-color,var(--f-accent));border-radius:0.75rem;font-size:1.5rem;color:#FFFFFF;flex-shrink:0}.fp-cat-title{font-size:1.25rem;font-weight:700;margin:0;color:var(--f-text-primary)}.fp-cat-desc{font-size:0.9375rem;line-height:1.65;color:var(--f-text-secondary);margin:0 0 1rem}.fp-cat-count{display:inline-flex;align-items:center;gap:0.5rem;font-size:0.8125rem;font-weight:600;color:var(--f-text-muted);padding:0.5rem 0.875rem;background:var(--f-bg-surface);border-radius:0.5rem}.fp-topics{display:grid;gap:0.875rem}.fp-topic{display:flex;align-items:flex-start;gap:1.25rem;padding:1.5rem;background:var(--f-bg-elevated);border:2px solid var(--f-border);border-radius:1rem;text-decoration:none;color:inherit;transition:all 0.25s cubic-bezier(0.4,0,0.2,1);position:relative}.fp-topic::after{content:'';position:absolute;inset:0;border-radius:1rem;border:2px solid var(--f-accent);opacity:0;transition:opacity 0.25s ease}.fp-topic:hover::after{opacity:1}.fp-topic:hover{transform:translateX(4px)}.fp-topic--pinned{background:linear-gradient(135deg,rgba(0,217,255,0.05) 0%,var(--f-bg-elevated) 50%);border-color:var(--f-border-accent)}.fp-topic-avatar{width:48px;height:48px;border-radius:0.75rem;object-fit:cover;flex-shrink:0;border:2px solid var(--f-border)}.fp-topic-body{flex:1;min-width:0}.fp-topic-tags{display:flex;align-items:center;gap:0.5rem;margin-bottom:0.625rem;flex-wrap:wrap}.fp-badge{display:inline-flex;align-items:center;gap:0.375rem;padding:0.375rem 0.75rem;font-size:0.6875rem;font-weight:700;text-transform:uppercase;letter-spacing:0.08em;border-radius:0.375rem;background:var(--badge-bg,var(--f-bg-surface));color:var(--badge-color,var(--f-text-secondary));border:1.5px solid var(--badge-border,var(--f-border))}.fp-badge--pin{--badge-bg:rgba(0,217,255,0.1);--badge-color:var(--f-neon-blue);--badge-border:rgba(0,217,255,0.3)}.fp-badge--lock{--badge-bg:rgba(239,68,68,0.1);--badge-color:var(--f-danger);--badge-border:rgba(239,68,68,0.3)}.fp-topic-title{font-size:1.125rem;font-weight:700;line-height:1.4;margin:0 0 0.625rem;color:var(--f-text-primary)}.fp-topic-excerpt{font-size:0.9375rem;line-height:1.6;color:var(--f-text-secondary);margin:0 0 0.875rem;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.fp-topic-meta{display:flex;align-items:center;gap:0.875rem;font-size:0.8125rem;color:var(--f-text-muted);flex-wrap:wrap}.fp-topic-meta img{width:24px;height:24px;border-radius:50%;object-fit:cover}.fp-topic-meta span{display:flex;align-items:center;gap:0.375rem}.fp-dot{width:3px;height:3px;border-radius:50%;background:var(--f-text-muted);opacity:0.5}.fp-topic-stats{display:flex;align-items:center;gap:1.25rem;flex-shrink:0;color:var(--f-text-muted);font-size:0.875rem;font-weight:600}.fp-topic-stats span{display:flex;align-items:center;gap:0.375rem}.fp-post{background:var(--f-bg-elevated);border:2px solid var(--f-border);border-radius:1rem;padding:1.75rem;margin-bottom:1.25rem}.fp-post--op{border-color:var(--f-border-accent);background:linear-gradient(135deg,rgba(0,217,255,0.04) 0%,var(--f-bg-elevated) 50%)}.fp-post-author{display:flex;align-items:center;gap:1rem;margin-bottom:1.25rem}.fp-post-author img{width:56px;height:56px;border-radius:0.875rem;object-fit:cover;border:2px solid var(--f-border)}.fp-post-author-info{flex:1}.fp-post-author strong{display:block;font-size:1.0625rem;font-weight:700;color:var(--f-text-primary);margin-bottom:0.25rem}.fp-post-author span{display:block;font-size:0.8125rem;color:var(--f-text-muted)}.fp-post-content{font-size:1rem;line-height:1.75;color:var(--f-text-secondary);word-wrap:break-word}.fp-post-content p{margin:0 0 1rem}.fp-post-content p:last-child{margin-bottom:0}.fp-post-footer{display:flex;align-items:center;justify-content:space-between;gap:1rem;margin-top:1.5rem;padding-top:1.25rem;border-top:2px solid var(--f-border);font-size:0.8125rem;color:var(--f-text-muted)}.fp-breadcrumb{display:flex;align-items:center;gap:0.75rem;font-size:0.875rem;color:var(--f-text-muted);flex-wrap:wrap;padding:1rem 1.5rem;background:var(--f-bg-surface)}.fp-breadcrumb a{display:inline-flex;align-items:center;gap:0.5rem;color:var(--f-text-secondary);text-decoration:none;font-weight:500;transition:color 0.2s ease}.fp-breadcrumb a:hover{color:var(--f-accent)}.fp-breadcrumb>span:not(.fp-badge):not(.fp-bc-right){color:var(--f-text-muted);opacity:0.6}.fp-bc-right{margin-left:auto;display:flex;align-items:center;gap:1rem;font-size:0.8125rem}.fp-form{display:grid;gap:1.25rem}.fp-form label{display:block;font-size:0.875rem;font-weight:600;color:var(--f-text-secondary);margin-bottom:0.5rem}.fp-form input[type="text"],.fp-form select,.fp-form textarea{width:100%;padding:0.875rem 1.125rem;background:var(--f-bg-surface);border:2px solid var(--f-border);border-radius:0.75rem;font-family:'Archivo',sans-serif;font-size:0.9375rem;color:var(--f-text-primary);outline:none;transition:all 0.2s ease}.fp-form textarea{min-height:160px;resize:vertical;line-height:1.65}.fp-form input:focus,.fp-form select:focus,.fp-form textarea:focus{border-color:var(--f-accent);box-shadow:0 0 0 3px rgba(0,217,255,0.1)}.fp-form select option{background:var(--f-bg-elevated);color:var(--f-text-primary)}.btn{display:inline-flex;align-items:center;gap:0.625rem;padding:0.875rem 1.5rem;font-family:'Archivo',sans-serif;font-size:0.9375rem;font-weight:600;text-decoration:none;border-radius:0.75rem;border:2px solid;cursor:pointer;transition:all 0.25s cubic-bezier(0.4,0,0.2,1);position:relative;overflow:hidden}.btn-accent{background:var(--f-accent);border-color:var(--f-accent);color:#FFFFFF}.btn-accent:hover{background:transparent;color:var(--f-accent);transform:translateY(-2px);box-shadow:0 8px 24px -6px rgba(0,217,255,0.4)}.btn-outline{background:transparent;border-color:var(--f-border-strong);color:var(--f-text-primary)}.btn-outline:hover{background:var(--f-bg-hover);border-color:var(--f-accent);color:var(--f-accent)}.fp-layout{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:2rem;align-items:start}.fp-sidebar{position:sticky;top:2rem}.fp-related-topic{display:block;padding:1rem;background:var(--f-bg-elevated);border:2px solid var(--f-border);border-radius:0.75rem;text-decoration:none;color:inherit;margin-bottom:0.75rem;transition:all 0.2s ease}.fp-related-topic:hover{border-color:var(--f-border-accent);transform:translateX(4px)}.fp-related-topic strong{display:block;font-size:0.9375rem;font-weight:600;color:var(--f-text-primary);line-height:1.4;margin-bottom:0.5rem}.fp-related-topic span{font-size:0.8125rem;color:var(--f-text-muted)}.fp-empty{text-align:center;padding:4rem 2rem;background:var(--f-bg-elevated);border:2px dashed var(--f-border);border-radius:1.5rem}.fp-empty i{font-size:3.5rem;color:var(--f-text-muted);opacity:0.4;margin-bottom:1.5rem}.fp-empty p{font-size:1.125rem;color:var(--f-text-secondary);margin:0}@media (max-width:1024px){.fp-layout{grid-template-columns:1fr}.fp-sidebar{position:static}.fp-cat-grid{grid-template-columns:1fr}}@media (max-width:768px){.fp-page{padding:1.5rem 1rem 4rem}.fp-hero{padding:2rem 0 1.5rem;margin-bottom:2rem}.fp-hero h1{font-size:clamp(2rem,10vw,3rem)}.fp-stats{grid-template-columns:1fr}.fp-topic{flex-direction:column;gap:1rem}.fp-topic-stats{width:100%;justify-content:flex-start}.fp-breadcrumb{font-size:0.8125rem}.fp-bc-right{width:100%;margin-left:0;margin-top:0.5rem}}