.dark-theme{color-scheme:dark}.dark-theme body{background:#1a1a1a;color:#f5f5f5}.light-theme{color-scheme:light}.light-theme body{background:#fff;color:#333}.theme-transition *{transition:background-color .3s ease,color .3s ease,border-color .3s ease}.header{position:sticky;top:0;z-index:1000;background-color:var(--header-bg);border-bottom:1px solid var(--border-color);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);transition:all .3s ease}.header-container{display:flex;align-items:center;justify-content:space-between;padding:1rem 2rem;max-width:1400px;margin:0 auto}.logo{display:flex;align-items:center;text-decoration:none;color:var(--text-color);font-weight:700;font-size:1.5rem}.logo-image{height:40px;width:auto;margin-right:.75rem;transition:transform .3s ease}.logo:hover .logo-image{transform:scale(1.05)}.logo-text{font-size:1.25rem;font-weight:600}.desktop-nav{display:flex;align-items:center}.nav-list{display:flex;list-style:none;margin:0;padding:0;gap:2rem}.nav-link{text-decoration:none;color:var(--text-color);font-weight:500;padding:.5rem 0;position:relative;transition:color .3s ease}.nav-link:after{content:"";position:absolute;bottom:0;left:0;width:0;height:2px;background-color:var(--accent-color);transition:width .3s ease}.nav-link:hover{color:var(--accent-color)}.nav-link:hover:after{width:100%}.header-right{display:flex;align-items:center;gap:1.5rem}.theme-toggle{background:none;border:none;cursor:pointer;padding:.5rem;border-radius:50%;transition:background-color .3s ease;display:flex;align-items:center;justify-content:center}.theme-toggle:hover{background-color:var(--hover-bg)}.theme-icon{font-size:1.25rem;transition:transform .3s ease}.theme-toggle:hover .theme-icon{transform:rotate(180deg)}.user-menu{display:flex;align-items:center;gap:1rem}.user-info{display:flex;flex-direction:column;align-items:flex-end}.user-name{font-weight:600;color:var(--text-color);font-size:.9rem}.user-role{font-size:.8rem;color:var(--text-secondary);text-transform:capitalize}.logout-btn{display:flex;align-items:center;gap:.5rem;background:none;border:1px solid var(--border-color);padding:.5rem 1rem;border-radius:6px;cursor:pointer;transition:all .3s ease;color:var(--text-color)}.logout-btn:hover{background-color:var(--hover-bg);border-color:var(--accent-color)}.logout-text{font-size:.9rem}.auth-buttons{display:flex;gap:1rem}.btn-login,.btn-register{padding:.5rem 1.5rem;border-radius:6px;text-decoration:none;font-weight:500;transition:all .3s ease}.btn-login{border:1px solid var(--border-color);color:var(--text-color);background:transparent}.btn-login:hover{background-color:var(--hover-bg)}.btn-register{background-color:var(--accent-color);color:#fff;border:1px solid var(--accent-color)}.btn-register:hover{opacity:.9;transform:translateY(-1px)}.mobile-menu-toggle{display:none;background:none;border:none;cursor:pointer;padding:.5rem;flex-direction:column;justify-content:center}.hamburger{display:flex;flex-direction:column;width:24px;height:18px;position:relative;transition:all .3s ease}.hamburger-line{height:2px;width:100%;background-color:var(--text-color);border-radius:2px;transition:all .3s ease}.hamburger-line:nth-child(1){transform:translateY(0) rotate(0)}.hamburger-line:nth-child(2){transform:translateY(6px) rotate(0);opacity:1}.hamburger-line:nth-child(3){transform:translateY(12px) rotate(0)}.hamburger.open .hamburger-line:nth-child(1){transform:translateY(6px) rotate(45deg)}.hamburger.open .hamburger-line:nth-child(2){opacity:0}.hamburger.open .hamburger-line:nth-child(3){transform:translateY(6px) rotate(-45deg)}.mobile-nav{position:fixed;top:72px;left:0;width:100%;height:calc(100vh - 72px);background-color:var(--header-bg);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);transform:translate(-100%);transition:transform .3s ease;z-index:999}.mobile-nav.open{transform:translate(0)}.mobile-nav-content{padding:2rem}.mobile-nav-list{list-style:none;margin:0;padding:0}.mobile-nav-item{margin-bottom:1.5rem}.mobile-nav-link{display:block;text-decoration:none;color:var(--text-color);font-size:1.1rem;font-weight:500;padding:.75rem 0;transition:color .3s ease}.mobile-nav-link:hover{color:var(--accent-color)}.mobile-user-info{color:var(--text-secondary);font-size:.9rem;padding:.75rem 0;display:block}.mobile-logout-btn{background:none;border:1px solid var(--border-color);color:var(--text-color);padding:.75rem 1.5rem;border-radius:6px;cursor:pointer;font-size:1rem;transition:all .3s ease;width:100%;text-align:left}.mobile-logout-btn:hover{background-color:var(--hover-bg);border-color:var(--accent-color)}@media (max-width: 968px){.header-container{padding:1rem}.desktop-nav{display:none}.mobile-menu-toggle{display:flex}.logo-text,.user-info,.logout-text,.auth-buttons{display:none}}@media (max-width: 480px){.header-container{padding:.75rem}.logo-image{height:32px}.theme-toggle{padding:.25rem}}.footer{background-color:var(--footer-bg);border-top:1px solid var(--border-color);color:var(--text-color);transition:all .3s ease}.footer-container{max-width:1400px;margin:0 auto;padding:0 2rem}.footer-content{display:grid;grid-template-columns:2fr 1fr 1fr 1.5fr;gap:3rem;padding:3rem 0}.footer-section{display:flex;flex-direction:column}.footer-logo{display:flex;align-items:center;margin-bottom:1rem}.footer-logo-image{height:40px;width:auto;margin-right:.75rem}.footer-logo-text{font-size:1.25rem;font-weight:600;color:var(--text-color)}.footer-description{color:var(--text-secondary);line-height:1.6;margin-bottom:1.5rem;font-size:.95rem}.social-links{display:flex;gap:1rem}.social-link{display:flex;align-items:center;justify-content:center;width:40px;height:40px;border-radius:50%;background-color:var(--secondary-bg);transition:all .3s ease;text-decoration:none}.social-link:hover{background-color:var(--accent-color);transform:translateY(-2px)}.social-icon{font-size:1.2rem}.footer-section-title{font-size:1.1rem;font-weight:600;margin-bottom:1.5rem;color:var(--text-color)}.footer-links{list-style:none;margin:0;padding:0}.footer-links li{margin-bottom:.75rem}.footer-link{color:var(--text-secondary);text-decoration:none;transition:color .3s ease;font-size:.95rem}.footer-link:hover{color:var(--accent-color)}.contact-info{display:flex;flex-direction:column;gap:1rem}.contact-item{display:flex;align-items:center;gap:.75rem;color:var(--text-secondary);font-size:.95rem}.contact-icon{font-size:1.1rem;width:20px;text-align:center}.footer-bottom{border-top:1px solid var(--border-color);padding:1.5rem 0}.footer-bottom-content{display:flex;justify-content:space-between;align-items:center}.copyright{color:var(--text-secondary);font-size:.9rem;margin:0}.footer-legal{display:flex;gap:2rem}.legal-link{color:var(--text-secondary);text-decoration:none;font-size:.9rem;transition:color .3s ease}.legal-link:hover{color:var(--accent-color)}@media (max-width: 1024px){.footer-content{grid-template-columns:1fr 1fr;gap:2rem}}@media (max-width: 768px){.footer-container{padding:0 1rem}.footer-content{grid-template-columns:1fr;gap:2rem;padding:2rem 0}.footer-bottom-content{flex-direction:column;gap:1rem;text-align:center}.footer-legal{justify-content:center}}@media (max-width: 480px){.footer-content{padding:1.5rem 0}.footer-logo-image{height:32px}.footer-logo-text{font-size:1.1rem}.social-links{justify-content:center}.footer-legal{flex-direction:column;gap:.5rem}}