.site-header{z-index:1000;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);background:#0f172af2;border-bottom:1px solid #ffffff1a;position:fixed;top:0;left:0;right:0}.header-container{max-width:1400px;padding:var(--space-md) var(--space-lg);justify-content:space-between;align-items:center;margin:0 auto;display:flex}.header-logo{align-items:center;gap:8px;text-decoration:none;display:flex}.header-logo-img{filter:invert()brightness(2);width:auto;height:32px}.header-alpha-badge{text-transform:uppercase;letter-spacing:.05em;color:#92400e;background:linear-gradient(135deg,#fbbf24,#f59e0b);border-radius:9999px;padding:2px 8px;font-size:11px;font-weight:600;line-height:1.4}.header-nav{align-items:center;gap:var(--space-md);display:flex}.header-nav-link{color:var(--color-slate-300);font-size:var(--text-sm);border-radius:var(--radius-base);transition:all var(--transition-fast);white-space:nowrap;padding:8px 12px;font-weight:500;text-decoration:none}.header-nav-link:hover{color:var(--color-truth-white);background:#ffffff1a;text-decoration:none}.header-mod-link{color:var(--color-warning-amber)}.header-mod-link:hover{color:var(--color-warning-amber);background:#f59e0b26}.header-admin-link{color:var(--color-insight-cyan)}.header-admin-link:hover{color:var(--color-insight-cyan);background:#06b6d426}.header-loading{color:var(--color-slate-400);font-size:var(--text-sm)}.header-user{align-items:center;gap:var(--space-md);display:flex}.header-username{color:var(--color-slate-300);font-size:var(--text-sm);font-weight:500}.header-username-link{color:var(--color-slate-300);font-size:var(--text-sm);transition:color var(--transition-fast);font-weight:500;text-decoration:none}.header-username-link:hover{color:var(--color-insight-cyan);text-decoration:none}.header-auth{align-items:center;gap:var(--space-sm);display:flex}.header-button{font-size:var(--text-sm);border-radius:var(--radius-base);cursor:pointer;transition:all var(--transition-fast);border:none;justify-content:center;align-items:center;padding:8px 16px;font-weight:500;text-decoration:none;display:inline-flex}.header-button-primary{background:var(--gradient-primary);color:var(--color-truth-white)}.header-button-primary:hover{box-shadow:var(--shadow-md), var(--shadow-glow);transform:translateY(-1px)}.header-button-secondary{color:var(--color-slate-300);border:1px solid var(--color-slate-600);background:0 0}.header-button-secondary:hover{color:var(--color-truth-white);border-color:var(--color-slate-400);background:#ffffff1a}.header-hamburger{cursor:pointer;z-index:1001;background:0 0;border:none;flex-direction:column;justify-content:space-between;width:24px;height:18px;padding:0;display:none}.header-hamburger-line{background-color:var(--color-truth-white);width:100%;height:2px;transition:all var(--transition-fast);transform-origin:50%;border-radius:1px;display:block}.header-hamburger-open .header-hamburger-line:first-child{transform:translateY(8px)rotate(45deg)}.header-hamburger-open .header-hamburger-line:nth-child(2){opacity:0}.header-hamburger-open .header-hamburger-line:nth-child(3){transform:translateY(-8px)rotate(-45deg)}@media (width<=768px){.header-hamburger{display:flex}.header-nav{-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);width:280px;height:100vh;padding:80px var(--space-lg) var(--space-lg);justify-content:flex-start;align-items:stretch;gap:var(--space-sm);transition:right var(--transition-base);background:#0f172afa;flex-direction:column;position:fixed;top:0;right:-100%;overflow-y:auto;box-shadow:-4px 0 20px #0000004d}.header-nav-open{right:0}.header-nav-link{font-size:var(--text-base);border-radius:var(--radius-base);padding:12px 16px}.header-user,.header-auth{align-items:stretch;gap:var(--space-sm);flex-direction:column}.header-button{text-align:center;width:100%}.header-username-link{font-size:var(--text-base);border-radius:var(--radius-base);padding:12px 16px}.header-username-link:hover{background:#ffffff1a}}