:root{--primary-color:#663399;--primary-color-dark:#4b2670;--secondary-color:#d4a017;--accent-color:#39ff14;--color-white:#ffffff;--background-light:#fafafa;--background-mid:#f3f3f3;--background-dark:#ebebeb;--text-color:#2c2c2c;--text-color-light:#666666;--text-color-dark:#1a1a1a;--border-color:#d6d6d6;--border-color-light:#ececec;--border-radius-base:10px;--border-radius-small:6px;--box-shadow-base:0 4px 14px rgba(0,0,0,0.08);--btn-font-size:1rem}*,:after,:before{box-sizing:border-box}body,html{padding:0;margin:0}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;color:var(--text-color);background-color:var(--background-light);line-height:1.5}img{max-width:100%;display:block}a{color:inherit}.error,.loading{text-align:center;padding:4rem 1rem;font-size:1.1rem;color:var(--text-color-light)}.error{color:#b00020}.btn{display:inline-block;padding:.8rem 1.6rem;border-radius:var(--border-radius-small);text-decoration:none;font-weight:600;font-size:var(--btn-font-size);border:none;cursor:pointer;background-color:var(--primary-color);color:var(--color-white);transition:transform .2s ease,box-shadow .2s ease,background-color .2s ease;box-shadow:0 2px 6px rgba(0,0,0,.12)}.btn:hover{transform:translateY(-1px);background-color:var(--primary-color-dark)}.app-footer{padding:1rem 2rem;text-align:center;background-color:#f8f8f8;color:#666;margin-top:2rem;border-top:1px solid #eee;box-shadow:0 -2px 4px rgba(0,0,0,.05)}.footer-content{display:flex;flex-direction:column;align-items:center;max-width:1200px;margin:0 auto}.footer-nav{margin-bottom:1rem}.footer-nav ul{list-style:none;display:flex;gap:2rem;margin:0;padding:0;flex-wrap:wrap;justify-content:center}.footer-nav ul li a{color:#555;text-decoration:none;font-size:.95rem;padding:.5rem .8rem;transition:color .3s ease}.footer-nav ul li a:hover{color:#000}.copyright{font-size:.85rem;color:#777;margin-top:1rem}.navbar{display:flex;justify-content:space-between;align-items:center;padding:1rem 2rem;background-color:#fff;box-shadow:0 2px 4px rgba(0,0,0,.1)}.navbar .logo{display:flex;flex-direction:column;align-items:flex-start;gap:.4rem}.navbar .logo>a{font-size:1.8rem;font-weight:700;color:#333;text-decoration:none;white-space:nowrap}.navbar .logo .social-links{display:flex;gap:.8rem}.navbar .logo .social-links a{color:#444;font-size:1rem;text-decoration:none;transition:color .3s ease,transform .2s ease;padding:.2rem .5rem;border-radius:4px;display:inline-flex;align-items:center;justify-content:center}.navbar .logo .social-links a:hover{color:#000;transform:translateY(-2px)}.navbar .nav-links{list-style:none;display:flex;gap:1.2rem;margin:0;padding:0}.navbar .nav-links a,.navbar .nav-links button{color:#333;text-decoration:none;font-size:1.2rem;padding:.5rem 1rem;border-radius:4px;text-shadow:.5px .5px 1px rgba(0,0,0,.05);transition:all .3s ease;background:none;border:none;cursor:pointer}.navbar .nav-links a:hover,.navbar .nav-links button:hover{color:#000;text-shadow:1px 1px 2px rgba(0,0,0,.1)}.navbar .nav-button{padding:.5rem 1rem;background-color:#eee}.hamburger{display:none;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer;padding:.5rem}.hamburger span{width:25px;height:3px;background-color:#333;border-radius:2px;transition:.3s ease}@media (max-width:768px){.navbar{flex-direction:row;align-items:center;padding:1rem;flex-wrap:wrap}.hamburger{display:flex;margin-left:auto}.navbar .nav-links{width:100%;flex-direction:column;max-height:0;overflow:hidden;transition:max-height .35s ease;align-items:flex-start;gap:0}.navbar .nav-links.open{max-height:500px}.navbar .nav-links li{width:100%;border-top:1px solid #eee}.navbar .nav-links a,.navbar .nav-links button{width:100%;padding:.9rem .5rem;text-align:left}.navbar .logo{gap:.3rem}}