.header{background:var(--header-bg, rgba(255, 255, 255, .95));box-shadow:0 1px 3px #00000014;position:sticky;top:0;z-index:1000;backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid var(--border-color, rgba(0, 0, 0, .06));transition:box-shadow .3s ease}.header-container{max-width:1400px;margin:0 auto;padding:0 1.5rem;height:64px;display:flex;align-items:center;gap:1rem}.logo{display:flex;align-items:center;gap:.625rem;text-decoration:none;color:var(--text-primary);font-weight:700;flex-shrink:0;transition:transform .2s ease}.logo:hover{transform:scale(1.02)}.logo-icon{width:40px;height:40px;background:linear-gradient(135deg,#10b981,#059669);color:#fff;border-radius:10px;display:flex;align-items:center;justify-content:center;font-size:1.25rem;box-shadow:0 2px 8px #10b9814d;transition:transform .2s ease}.logo:hover .logo-icon{transform:rotate(5deg)}.logo-text{font-size:1.375rem;font-weight:800;background:linear-gradient(135deg,#10b981,#059669);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.nav{display:flex;align-items:center;gap:.25rem;flex:1;justify-content:center}.nav-link{display:flex;align-items:center;gap:.5rem;padding:.5rem .875rem;color:var(--text-secondary, #64748b);text-decoration:none;font-weight:600;font-size:.875rem;border-radius:8px;transition:all .2s ease;white-space:nowrap}.nav-link:hover{color:#10b981;background:#10b98114}.nav-icon{font-size:1rem;line-height:1}.nav-label{font-weight:600}.search-btn{display:flex;align-items:center;gap:.5rem;padding:.5rem 1rem;background:var(--bg-secondary, #f1f5f9);border:1px solid var(--border-color, #e2e8f0);border-radius:8px;color:var(--text-muted, #64748b);font-size:.875rem;cursor:pointer;transition:all .2s ease;flex-shrink:0}.search-btn:hover{background:var(--bg-tertiary, #e2e8f0);border-color:#10b981;color:var(--text-primary)}.search-btn-icon{width:18px;height:18px;flex-shrink:0}.search-btn-text{font-weight:500}.search-btn-shortcut{display:inline-flex;align-items:center;padding:.125rem .375rem;background:var(--bg-primary, #ffffff);border:1px solid var(--border-color, #e2e8f0);border-radius:4px;font-size:.6875rem;font-family:inherit;color:var(--text-muted, #94a3b8)}.auth-buttons{display:flex;align-items:center;gap:.75rem;flex-shrink:0}.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;padding:.5rem 1rem;border-radius:8px;font-weight:600;font-size:.875rem;text-decoration:none;cursor:pointer;transition:all .2s ease;border:none;white-space:nowrap}.btn-primary{background:linear-gradient(135deg,#10b981,#059669);color:#fff;box-shadow:0 2px 8px #10b98140}.btn-primary:hover{transform:translateY(-1px);box-shadow:0 4px 12px #10b98159}.btn-outline{background:transparent;color:#10b981;border:2px solid #10b981}.btn-outline:hover{background:#10b981;color:#fff}.btn-access{padding:.5rem 1.125rem}.btn-icon{font-size:1rem}.user-dropdown{position:relative}.user-dropdown-trigger{display:flex;align-items:center;gap:.625rem;padding:.375rem .625rem;background:#10b9810f;border:1px solid rgba(16,185,129,.15);border-radius:10px;cursor:pointer;transition:all .2s ease}.user-dropdown-trigger:hover{background:#10b9811a;border-color:#10b98140}.user-avatar{width:36px;height:36px;border-radius:50%;background:linear-gradient(135deg,#10b981,#059669);display:flex;align-items:center;justify-content:center;overflow:hidden;flex-shrink:0}.avatar-img{width:100%;height:100%;object-fit:cover}.avatar-initial{color:#fff;font-weight:700;font-size:.9375rem}.user-info{display:flex;flex-direction:column;align-items:flex-start;min-width:0}.user-name{color:var(--text-primary);font-weight:600;font-size:.8125rem;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:100px}.user-role{color:var(--text-muted, #94a3b8);font-size:.6875rem;font-weight:500}.dropdown-chevron{color:var(--text-muted);flex-shrink:0;transition:transform .2s ease}.user-dropdown-menu{position:absolute;top:calc(100% + 8px);right:0;background:var(--card-bg, #ffffff);border:1px solid var(--border-color, rgba(0, 0, 0, .08));border-radius:12px;box-shadow:0 8px 30px #0000001f;padding:.5rem;min-width:200px;z-index:1001;animation:dropdownFade .15s ease-out}@keyframes dropdownFade{0%{opacity:0;transform:translateY(-4px)}to{opacity:1;transform:translateY(0)}}.dropdown-item{display:flex;align-items:center;gap:.625rem;padding:.625rem .875rem;color:var(--text-secondary, #64748b);text-decoration:none;border-radius:8px;transition:all .15s ease;font-weight:500;font-size:.875rem;width:100%;border:none;background:none;cursor:pointer;text-align:left}.dropdown-item:hover{background:#10b9811a;color:#10b981}.dropdown-icon{font-size:1rem;width:1.25rem;text-align:center;flex-shrink:0}.dropdown-divider{border:none;border-top:1px solid var(--border-color, #e5e7eb);margin:.5rem 0}.dropdown-controls{display:flex;align-items:center;justify-content:center;gap:.625rem;padding:.375rem .875rem}.logout-item{color:#ef4444!important}.logout-item:hover{background:#ef44441a!important;color:#dc2626!important}.mobile-menu-btn{display:none;flex-direction:column;justify-content:center;align-items:center;gap:5px;width:44px;height:44px;background:transparent;border:none;cursor:pointer;padding:10px;border-radius:8px;transition:background .2s ease;flex-shrink:0}.mobile-menu-btn:hover{background:#10b98114}.mobile-menu-btn span{width:22px;height:2px;background:var(--text-primary);border-radius:2px;transition:all .3s ease;transform-origin:center}.mobile-menu-btn.active span:nth-child(1){transform:rotate(45deg) translate(5px,5px)}.mobile-menu-btn.active span:nth-child(2){opacity:0;transform:scaleX(0)}.mobile-menu-btn.active span:nth-child(3){transform:rotate(-45deg) translate(5px,-5px)}.mobile-menu-overlay{position:fixed;inset:0;background:#00000080;z-index:998;animation:fadeIn .2s ease-out;backdrop-filter:blur(2px)}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}.mobile-menu{display:none}.mobile-menu.mobile-menu-open{display:flex;flex-direction:column;position:fixed;inset:64px 0 0;background:var(--bg-primary, #f8fafc);z-index:999;overflow-y:auto;-webkit-overflow-scrolling:touch;animation:slideDown .25s ease-out}@keyframes slideDown{0%{opacity:0;transform:translateY(-8px)}to{opacity:1;transform:translateY(0)}}.mobile-user-info{display:flex;align-items:center;gap:.875rem;padding:1.25rem 1rem;background:linear-gradient(135deg,#10b981,#059669);color:#fff}.mobile-user-avatar{width:48px;height:48px;border-radius:50%;background:#fff3;display:flex;align-items:center;justify-content:center;overflow:hidden;border:2px solid rgba(255,255,255,.3);flex-shrink:0}.mobile-user-avatar .avatar-initial{color:#fff;font-weight:700;font-size:1.125rem}.mobile-user-details{display:flex;flex-direction:column;gap:.125rem;min-width:0;flex:1}.mobile-user-name{font-weight:700;font-size:1rem;color:#fff;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.mobile-user-role{font-size:.8125rem;color:#ffffffd9;font-weight:500}.mobile-nav{display:flex;flex-direction:column;padding:.75rem;background:var(--card-bg, #ffffff);margin:.75rem;border-radius:12px;box-shadow:0 1px 3px #0000000d}.mobile-nav .nav-link{padding:.875rem 1rem;display:flex;align-items:center;gap:.875rem;color:var(--text-primary, #1e293b);text-decoration:none;font-weight:500;transition:all .15s ease;border-radius:8px;font-size:.9375rem}.mobile-nav .nav-link:hover,.mobile-nav .nav-link:active{background:#10b98114;color:#10b981}.mobile-nav .nav-icon{font-size:1.25rem;width:1.5rem;text-align:center;flex-shrink:0}.mobile-nav .nav-label{font-weight:500}.mobile-section-title{padding:1rem 1rem .5rem;font-weight:700;font-size:.6875rem;color:var(--text-muted, #94a3b8);text-transform:uppercase;letter-spacing:.08em}.mobile-user-section{margin-top:.5rem;padding-top:.5rem;border-top:1px solid var(--border-color, #e5e7eb)}.mobile-auth{display:flex;flex-direction:column;gap:.75rem;padding:.875rem;background:var(--card-bg, #ffffff);margin:0 .75rem .75rem;border-radius:12px;box-shadow:0 1px 3px #0000000d}.mobile-auth-controls{display:flex;justify-content:center;gap:.75rem;padding:.5rem 0;border-bottom:1px solid var(--border-color, #e5e7eb)}.mobile-auth .btn{width:100%;justify-content:center;min-height:48px;font-size:.9375rem;border-radius:10px}.mobile-logout{background:#fef2f2!important;color:#dc2626!important;border:1px solid #fecaca!important}.mobile-logout:hover,.mobile-logout:active{background:#dc2626!important;color:#fff!important}.mobile-menu.mobile-menu-open:after{content:"";display:block;height:env(safe-area-inset-bottom,20px);flex-shrink:0}@media(min-width:1400px){.header-container{padding:0 2rem;gap:2rem}.nav{gap:.5rem}.nav-link{padding:.625rem 1rem;font-size:.9375rem}.nav-icon{font-size:1.125rem}}@media(max-width:1200px){.header-container{gap:.75rem}.nav{gap:.125rem}.nav-link{padding:.5rem 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