:root{--color-primary:#333;--color-secondary:#666;--color-background:#f9f9f9;--color-card-background:#fff;--color-text:#333;--color-text-secondary:#666;--color-border:#e0e0e0;--color-hover:#f0f0f0}*{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--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;background-color:var(--color-background);color:var(--color-text)}html,body{height:100%}.app-container{flex-direction:column;min-height:100vh;display:flex}.container{width:100%;max-width:1400px;margin:0 auto;padding:0 20px}.app-header{background-color:var(--color-primary);color:#fff;padding:20px 0;box-shadow:0 2px 4px #0000001a}.app-header .container{justify-content:space-between;align-items:center;gap:20px;display:flex}.app-header h1{white-space:nowrap;font-size:24px;font-weight:600}.app-header h1 a{color:inherit;text-decoration:none}.search-form{flex:1;max-width:600px;display:flex;position:relative}.search-input{background-color:#ffffffe6;border:none;border-radius:4px;outline:none;flex:1;padding:10px 45px 10px 15px;font-size:14px;transition:background-color .2s}.search-input:focus{background-color:#fff}.search-input::placeholder{color:#999}.search-button{color:var(--color-secondary);cursor:pointer;background:0 0;border:none;justify-content:center;align-items:center;padding:0 12px;transition:color .2s;display:flex;position:absolute;top:0;bottom:0;right:0}.search-button:hover{color:var(--color-primary)}.top-nav{white-space:nowrap;gap:20px;display:flex}.top-nav a{color:#fff;font-size:16px;text-decoration:none;transition:opacity .2s}.top-nav a:hover{opacity:.8}.app-main{flex:1;padding:40px 0}.app-main h2{color:var(--color-text);margin-bottom:30px;font-size:28px}.app-footer{background-color:var(--color-primary);color:#fff;margin-top:60px;padding:30px 0}.footer-content{flex-wrap:wrap;justify-content:space-between;gap:20px;display:flex}.footer-links{flex-wrap:wrap;gap:20px;display:flex}.footer-links a{color:#fff;font-size:14px;text-decoration:none;transition:opacity .2s}.footer-links a:hover{opacity:.8}.loading{min-height:200px;color:var(--color-text-secondary);justify-content:center;align-items:center;display:flex}@media (max-width:768px){.app-header .container{flex-direction:column;align-items:stretch;gap:15px}.app-header h1{font-size:20px}.search-form{max-width:100%}.top-nav{flex-wrap:wrap}.footer-content{flex-direction:column}}