:root{--bg-primary:#ffffff;--bg-secondary:#f8f9fa;--bg-card:#ffffff;--bg-input:#fafafa;--text-primary:#1a1a1a;--text-secondary:#495057;--text-muted:#6b7280;--border-color:#e5e7eb;--border-light:#f1f3f5;--header-bg:#ffffff;--header-border:#eee;--shadow-sm:rgba(0,0,0,0.05);--shadow-md:rgba(0,0,0,0.1);--shadow-lg:rgba(0,0,0,0.15)}[data-theme=dark]{--bg-primary:#1a1b2e;--bg-secondary:#232438;--bg-card:#2a2b40;--bg-input:#232438;--text-primary:#e4e4e7;--text-secondary:#a1a1aa;--text-muted:#71717a;--border-color:#3f3f5a;--border-light:#2e2f44;--header-bg:#1e1f33;--header-border:#2e2f44;--shadow-sm:rgba(0,0,0,0.2);--shadow-md:rgba(0,0,0,0.3);--shadow-lg:rgba(0,0,0,0.4)}body{font-family:Open Sans,sans-serif;margin:0;padding:0;background:var(--bg-primary);color:var(--text-primary);transition:background-color .3s ease,color .3s ease}.site-header{display:flex;justify-content:space-between;align-items:center;padding:1rem 2rem;border-bottom:1px solid var(--header-border);background:var(--header-bg);position:-webkit-sticky;position:sticky;top:0;z-index:100;transition:padding .3s ease,background-color .3s ease,border-color .3s ease}.site-header.scrolled{padding:.25rem 2rem}.logo{height:auto;cursor:pointer;transition:transform .3s ease}.site-header.scrolled .logo{transform:scale(.6)}.user-button{background:none;border:none;cursor:pointer;transition:transform .3s ease}.site-header.scrolled .user-button{transform:scale(.6)}.profile-pic{width:60px;height:60px;border-radius:50%;object-fit:cover;border:1px solid #ccc}.user-widget{position:relative}.menu{position:absolute;right:0;background:#2f3b52;border-radius:8px;padding:.75rem 0;z-index:10;min-width:200px;box-shadow:0 4px 12px rgba(0,0,0,.2)}.menu-item:hover{background:rgba(255,255,255,.1)}.logout{color:#ff6b6b}.profile-menu{position:absolute;top:60px;right:0;background-color:var(--bg-card);color:var(--text-primary);width:300px;border-radius:12px;box-shadow:0 8px 24px var(--shadow-lg);border:1px solid var(--border-color);padding:1rem;z-index:999}.profile-header{display:flex;align-items:center;gap:1rem;margin-bottom:1rem}.profile-image{width:56px;height:56px;border-radius:50%;border:2px solid #5f6368}.profile-info .email{font-size:.85rem;color:var(--text-muted);margin:0}.profile-info .name{font-size:1rem;font-weight:500;margin:.25rem 0 0;color:var(--text-primary)}.menu-actions{display:flex;flex-direction:column;gap:.5rem;margin-bottom:1rem}.menu-button{border:none;border-radius:6px;padding:.6rem 1rem;font-size:.95rem;cursor:pointer;text-align:left}.menu-button.secondary{background-color:var(--bg-secondary);color:var(--text-primary);transition:background-color .2s ease}.menu-button.secondary:hover{background-color:var(--border-color)}.menu-button.danger{background-color:#d9534f;color:#fff}.menu-button.admin{background-color:#f0ad4e;color:#fff}.dark-mode-toggle{display:flex;align-items:center;justify-content:space-between;padding:.6rem 1rem;margin-bottom:.5rem;border-radius:6px;background-color:var(--bg-secondary);cursor:pointer;transition:background-color .2s ease;border:none;width:100%;font-size:.95rem;color:var(--text-primary)}.dark-mode-toggle:hover{background-color:var(--border-color)}.toggle-label{display:flex;align-items:center;gap:.5rem}.toggle-switch{position:relative;width:40px;height:22px;background:#d1d5db;border-radius:11px;transition:background .3s ease;flex-shrink:0}.toggle-switch.active{background:#2563eb}.toggle-switch:after{content:"";position:absolute;top:2px;left:2px;width:18px;height:18px;background:white;border-radius:50%;transition:transform .3s ease;box-shadow:0 1px 3px rgba(0,0,0,.2)}.toggle-switch.active:after{transform:translateX(18px)}.menu-footer{display:flex;justify-content:center;gap:.5rem;font-size:.75rem;color:var(--text-muted);border-top:1px solid var(--border-color);padding-top:.75rem;margin-top:.25rem}.menu-footer a{color:var(--text-muted);text-decoration:none}.menu-footer a:hover{text-decoration:underline}