:root{color-scheme:light;--bg:#f8fafc;--bg-gradient:radial-gradient(circle at 15% 15%, #06b6d414 0%, transparent 40%), radial-gradient(circle at 85% 65%, #3b82f614 0%, transparent 40%);--card-bg:#ffffffd1;--card-bg-solid:#fff;--card-border:#94a3b840;--card-hover-border:#06b6d480;--card-shadow:0 10px 30px -10px #0f172a12, 0 4px 6px -2px #0f172a0a;--ink:#0f172a;--ink-secondary:#334155;--ink-muted:#64748b;--accent:#0284c7;--accent-hover:#0369a1;--accent-light:#e0f2fe;--accent-ink:#fff;--accent-gradient:linear-gradient(135deg, #0284c7 0%, #2563eb 50%, #7c3aed 100%);--tag-bg:#e2e8f0;--tag-ink:#334155;--line:#e2e8f0;--focus:#0284c7;--success:#16a34a;--success-bg:#dcfce7;--error:#dc2626;--error-bg:#fee2e2;--radius-sm:8px;--radius-md:14px;--radius-lg:20px;--radius-full:9999px;--transition:.2s cubic-bezier(.16, 1, .3, 1)}:root[data-theme=dark]{color-scheme:dark;--bg:#070d18;--bg-gradient:radial-gradient(circle at 20% 20%, #06b6d41f 0%, transparent 45%), radial-gradient(circle at 80% 80%, #6366f11f 0%, transparent 45%);--card-bg:#0f172ab8;--card-bg-solid:#0f172a;--card-border:#ffffff1f;--card-hover-border:#38bdf880;--card-shadow:0 12px 36px -8px #0006;--ink:#f8fafc;--ink-secondary:#cbd5e1;--ink-muted:#94a3b8;--accent:#38bdf8;--accent-hover:#7dd3fc;--accent-light:#38bdf826;--accent-ink:#070d18;--accent-gradient:linear-gradient(135deg, #38bdf8 0%, #60a5fa 50%, #a78bfa 100%);--tag-bg:#ffffff14;--tag-ink:#cbd5e1;--line:#ffffff1a;--focus:#38bdf8;--success:#34d399;--success-bg:#34d39926;--error:#f87171;--error-bg:#f8717126}*,:before,:after{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth;font-size:16px}body{background-color:var(--bg);background-image:var(--bg-gradient);min-height:100vh;color:var(--ink);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;background-attachment:fixed;font-family:ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;line-height:1.65}.skip-link{background:var(--accent);color:var(--accent-ink);border-radius:var(--radius-sm);z-index:1000;padding:.5rem 1rem;font-weight:600;text-decoration:none;transition:top .2s;position:absolute;top:-100px;left:1rem}.skip-link:focus{top:1rem}.container{width:100%;max-width:1080px;margin:0 auto;padding:0 1.25rem}.site-nav-header{z-index:100;-webkit-backdrop-filter:blur(16px);background:rgba(var(--card-bg), .8);border-bottom:1px solid var(--line);transition:background-color var(--transition);position:sticky;top:0}.nav-container{justify-content:space-between;align-items:center;height:4rem;display:flex}.brand-link{color:var(--ink);align-items:center;gap:.75rem;font-size:1.15rem;font-weight:700;text-decoration:none;display:flex}.brand-logo{object-fit:contain;width:auto;height:2.25rem}.brand-title{letter-spacing:-.01em}.brand-badge{background:var(--accent-light);color:var(--accent);border-radius:var(--radius-full);padding:.15rem .5rem;font-size:.72rem;font-weight:600}.nav-actions{align-items:center;gap:.75rem;display:flex}.nav-link{color:var(--ink-secondary);border-radius:var(--radius-sm);transition:all var(--transition);padding:.4rem .75rem;font-size:.95rem;font-weight:500;text-decoration:none}.nav-link:hover,.nav-link[aria-current=page]{color:var(--accent);background:var(--accent-light)}.btn{border-radius:var(--radius-md);cursor:pointer;transition:all var(--transition);border:1px solid #0000;justify-content:center;align-items:center;gap:.5rem;padding:.6rem 1.2rem;font-size:.95rem;font-weight:600;line-height:1.2;text-decoration:none;display:inline-flex}.btn-primary{background:var(--accent-gradient);color:#fff;box-shadow:0 4px 14px #0284c759}.btn-primary:hover{transform:translateY(-1px);box-shadow:0 6px 20px #0284c773}.btn-secondary{background:var(--card-bg);color:var(--ink);border-color:var(--card-border)}.btn-secondary:hover{border-color:var(--accent);color:var(--accent)}.btn-ghost{color:var(--ink-secondary);background:0 0}.btn-ghost:hover{background:var(--accent-light);color:var(--accent)}.btn-sm{border-radius:var(--radius-sm);padding:.4rem .8rem;font-size:.85rem}.btn-danger{background:var(--error-bg);color:var(--error);border-color:var(--error)}.btn-danger:hover{background:var(--error);color:#fff}.glass-card{background:var(--card-bg);-webkit-backdrop-filter:blur(14px);border:1px solid var(--card-border);border-radius:var(--radius-lg);box-shadow:var(--card-shadow);transition:transform var(--transition), border-color var(--transition), box-shadow var(--transition);padding:2rem}.glass-card:hover{border-color:var(--card-hover-border)}.theme-toggle-btn{background:var(--card-bg);border:1px solid var(--card-border);color:var(--ink);border-radius:var(--radius-full);cursor:pointer;width:2.4rem;height:2.4rem;transition:all var(--transition);justify-content:center;align-items:center;font-size:1.1rem;display:flex}.theme-toggle-btn:hover{border-color:var(--accent);color:var(--accent);transform:rotate(15deg)}h1,h2,h3,h4{color:var(--ink);letter-spacing:-.02em;font-weight:700;line-height:1.25}h1{font-size:clamp(2rem,5vw,3.25rem)}h2{font-size:clamp(1.5rem,3.5vw,2.25rem)}h3{font-size:clamp(1.2rem,2.5vw,1.5rem)}.grad-text{background:var(--accent-gradient);-webkit-text-fill-color:transparent;-webkit-background-clip:text}p{color:var(--ink-secondary);margin-bottom:1rem}p:last-child{margin-bottom:0}a{color:var(--accent);text-underline-offset:3px;transition:color var(--transition);text-decoration:underline}a:hover{color:var(--accent-hover)}.form-group{flex-direction:column;gap:.4rem;margin-bottom:1.25rem;display:flex}.form-label{color:var(--ink);font-size:.9rem;font-weight:600}.form-input,.form-textarea,.form-select{background:var(--card-bg-solid);border:1px solid var(--card-border);border-radius:var(--radius-md);width:100%;color:var(--ink);transition:border-color var(--transition), box-shadow var(--transition);padding:.75rem 1rem;font-family:inherit;font-size:.95rem}.form-input:focus,.form-textarea:focus,.form-select:focus{border-color:var(--focus);box-shadow:0 0 0 3px var(--accent-light);outline:none}.site-footer{border-top:1px solid var(--line);background:var(--card-bg);-webkit-backdrop-filter:blur(12px);margin-top:5rem;padding:3rem 0 2rem}.footer-wrap{flex-direction:column;gap:1.5rem;max-width:1080px;margin:0 auto;padding:0 1.25rem;display:flex}.footer-primary{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:1rem;display:flex}.footer-primary .copyright{color:var(--ink-secondary);margin:0;font-size:.92rem}.site-credit{color:var(--ink);border-radius:var(--radius-full);background:var(--tag-bg);transition:background-color var(--transition), color var(--transition);align-items:center;gap:.5rem;padding:.35rem .75rem;font-size:.9rem;font-weight:600;text-decoration:none;display:inline-flex}.site-credit:hover{color:var(--accent)}.footer-secondary{border-top:1px solid var(--line);color:var(--ink-muted);flex-wrap:wrap;justify-content:space-between;align-items:center;gap:1rem;padding-top:1.25rem;font-size:.85rem;display:flex}.footer-secondary a{color:var(--ink-muted);text-decoration:none}.footer-secondary a:hover{color:var(--accent)}.footer-secondary .sep{margin:0 .35rem}.text-center{text-align:center}.badge{border-radius:var(--radius-full);padding:.2rem .6rem;font-size:.75rem;font-weight:600;display:inline-block}.badge-success{background:var(--success-bg);color:var(--success)}.badge-danger{background:var(--error-bg);color:var(--error)}@media (width<=640px){.glass-card{padding:1.25rem}.footer-primary,.footer-secondary{flex-direction:column;align-items:flex-start}.brand-title,.brand-badge{display:none}.nav-actions{gap:.15rem}.nav-link{white-space:nowrap;padding:.35rem .45rem;font-size:.85rem}}