*{margin:0;padding:0;box-sizing:border-box}:root{--primary: #4f46e5;--primary-light: #6366f1;--primary-dark: #4338ca;--secondary: #0ea5e9;--success: #22c55e;--danger: #ef4444;--warning: #f59e0b;--bg-main: #f8fafc;--bg-card: #ffffff;--bg-hover: #f1f5f9;--text-primary: #0f172a;--text-secondary: #334155;--text-muted: #64748b;--shadow-sm: 0 2px 4px rgba(79, 70, 229, .08);--shadow-md: 0 4px 12px rgba(79, 70, 229, .12);--shadow-lg: 0 8px 24px rgba(79, 70, 229, .15);--shadow-xl: 0 12px 32px rgba(79, 70, 229, .18);--transition: .2s cubic-bezier(.4, 0, .2, 1)}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;background:linear-gradient(135deg,#667eea,#764ba2);background-attachment:fixed;min-height:100vh;color:var(--text-primary);line-height:1.6}#root{min-height:100vh}::-webkit-scrollbar{width:12px}::-webkit-scrollbar-track{background:#ffffff1a}::-webkit-scrollbar-thumb{background:var(--primary);border-radius:6px;border:2px solid transparent;background-clip:padding-box}::-webkit-scrollbar-thumb:hover{background:var(--primary-dark);background-clip:padding-box}@keyframes fadeIn{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}@keyframes slideIn{0%{opacity:0;transform:translate(-30px)}to{opacity:1;transform:translate(0)}}@keyframes spin{to{transform:rotate(360deg)}}@keyframes pulse{0%,to{transform:scale(1);opacity:1}50%{transform:scale(1.05);opacity:.8}}@keyframes shimmer{0%{background-position:-1000px 0}to{background-position:1000px 0}}.fade-in{animation:fadeIn .5s ease-out}.slide-in{animation:slideIn .4s ease-out}*:focus{outline:3px solid var(--primary);outline-offset:3px}::selection{background-color:var(--primary);color:#fff}.nav{background:linear-gradient(135deg,#1e293b,#0f172a);padding:24px;box-shadow:0 8px 32px #0000004d;position:sticky;top:0;z-index:100;animation:slideIn .5s ease-out;border-bottom:3px solid var(--primary)}.nav-title{color:#fff;margin:0 0 24px;text-align:center;font-size:32px;font-weight:800;letter-spacing:-.5px;text-shadow:0 2px 10px rgba(99,102,241,.5)}.nav-buttons{display:flex;flex-wrap:wrap;gap:12px;justify-content:center;max-width:1000px;margin:0 auto}.nav-button{padding:14px 24px;font-size:15px;font-weight:600;cursor:pointer;border:none;border-radius:10px;transition:all var(--transition);color:#fff;position:relative;overflow:hidden;box-shadow:var(--shadow-md);background:#64748b99}.nav-button:before{content:"";position:absolute;top:50%;left:50%;width:0;height:0;border-radius:50%;background:#fff3;transform:translate(-50%,-50%);transition:width .5s,height .5s}.nav-button:hover:before{width:300px;height:300px}.nav-button:hover{transform:translateY(-3px) scale(1.05);box-shadow:0 8px 20px #6366f166}.nav-button:active{transform:translateY(-1px) scale(1.02)}.nav-button.active{background:linear-gradient(135deg,var(--primary) 0%,var(--secondary) 100%);box-shadow:0 8px 24px #6366f180}.main-content{padding:48px 24px;max-width:1400px;margin:0 auto;animation:fadeIn .8s ease-out}@media(max-width:768px){.nav-title{font-size:24px}.nav-button{font-size:13px;padding:12px 18px}.main-content{padding:32px 16px}}@media(max-width:480px){.nav{padding:20px 16px}.nav-title{font-size:20px;margin-bottom:16px}.nav-buttons{gap:8px}.nav-button{font-size:12px;padding:10px 14px}.main-content{padding:24px 12px}}.app{min-height:100vh;animation:fadeIn .6s ease-out}nav{background:linear-gradient(135deg,#1e293b,#0f172a);padding:24px;box-shadow:0 8px 32px #0000004d;position:sticky;top:0;z-index:100;animation:slideIn .5s ease-out;border-bottom:3px solid var(--primary)}nav h1{color:#fff;margin:0 0 24px;text-align:center;font-size:32px;font-weight:800;letter-spacing:-.5px;text-shadow:0 2px 10px rgba(99,102,241,.5)}nav>div{display:flex;flex-wrap:wrap;gap:12px;justify-content:center;max-width:1000px;margin:0 auto}nav button{padding:14px 24px;font-size:15px;font-weight:600;cursor:pointer;border:none;border-radius:10px;transition:all var(--transition);color:#fff;position:relative;overflow:hidden;box-shadow:var(--shadow-md)}nav button:before{content:"";position:absolute;top:50%;left:50%;width:0;height:0;border-radius:50%;background:#fff3;transform:translate(-50%,-50%);transition:width .5s,height .5s}nav button:hover:before{width:300px;height:300px}nav button:hover{transform:translateY(-3px) scale(1.05);box-shadow:0 8px 20px #6366f166}nav button:active{transform:translateY(-1px) scale(1.02)}nav button[data-active=true]{background:linear-gradient(135deg,var(--primary) 0%,var(--secondary) 100%);box-shadow:0 8px 24px #6366f180}nav button[data-active=false]{background:#64748b99}main{padding:48px 24px;max-width:1400px;margin:0 auto;animation:fadeIn .8s ease-out}.card{background:#fff;border-radius:16px;padding:32px;box-shadow:var(--shadow-xl);transition:all var(--transition);animation:fadeIn .6s ease-out;border:1px solid rgba(226,232,240,.8)}.card:hover{transform:translateY(-4px);box-shadow:0 16px 48px #4f46e540;border-color:var(--primary-light)}h1,h2,h3,h4,h5,h6{color:var(--text-primary);font-weight:700;letter-spacing:-.3px}h2{font-size:28px;margin-bottom:20px}h3{font-size:22px;margin-bottom:12px}p{color:var(--text-secondary);font-size:16px;line-height:1.7}input[type=text],input[type=search],select{width:100%;padding:16px 20px;font-size:16px;border:2px solid #e2e8f0;border-radius:12px;background:#fff;color:var(--text-primary);transition:all var(--transition);font-family:inherit;font-weight:500}input[type=text]:focus,input[type=search]:focus,select:focus{border-color:var(--primary);box-shadow:0 0 0 4px #6366f126;background:#fff}input[type=text]::placeholder{color:var(--text-muted);font-weight:400}button{padding:14px 28px;font-size:16px;font-weight:600;cursor:pointer;border:none;border-radius:10px;transition:all var(--transition);font-family:inherit;background:var(--primary);color:#fff;box-shadow:var(--shadow-md)}button:hover{background:var(--primary-dark);transform:translateY(-2px);box-shadow:var(--shadow-lg)}button:active{transform:translateY(0)}button:disabled{opacity:.5;cursor:not-allowed;transform:none}ul{list-style:none;padding:0}li{padding:20px;margin-bottom:12px;border-radius:12px;background:#fff;transition:all var(--transition);cursor:pointer;border:2px solid #e2e8f0;box-shadow:var(--shadow-sm)}li:hover{background:#fff;transform:translate(8px);border-color:var(--primary);box-shadow:var(--shadow-md)}li strong{color:var(--text-primary);font-size:18px;font-weight:700}li span{color:var(--text-secondary);font-size:15px}article{background:#fff;padding:28px;margin-bottom:20px;border-radius:14px;box-shadow:var(--shadow-md);transition:all var(--transition);border-left:4px solid #e2e8f0;border:2px solid #e2e8f0}article:hover{transform:translateY(-3px);box-shadow:var(--shadow-lg);border-color:var(--primary);border-left-color:var(--primary);border-left-width:4px}article h3,article h4{color:var(--text-primary);margin-bottom:12px;font-size:20px;font-weight:700}article p{color:var(--text-secondary);line-height:1.8;font-size:15px}.spinner{width:56px;height:56px;border:6px solid rgba(99,102,241,.15);border-top-color:var(--primary);border-radius:50%;animation:spin .8s linear infinite;margin:0 auto}.loading-container{text-align:center;padding:60px 20px}.loading-container p{margin-top:20px;color:var(--text-primary);font-size:18px;font-weight:600}.error{color:#dc2626;background:#fee2e2;padding:20px 24px;border-radius:12px;border-left:4px solid var(--danger);animation:fadeIn .4s ease-out;font-weight:600;font-size:16px}.success{color:#16a34a;background:#dcfce7;padding:20px 24px;border-radius:12px;border-left:4px solid var(--success);font-weight:600;font-size:16px}.badge{display:inline-block;padding:6px 14px;background:var(--primary);color:#fff;border-radius:20px;font-size:13px;font-weight:600;margin-bottom:12px}@media(max-width:768px){nav h1{font-size:24px}nav button{font-size:13px;padding:12px 18px}main{padding:32px 16px}.card{padding:24px}h2{font-size:24px}}@media(max-width:480px){nav{padding:20px 16px}nav h1{font-size:20px;margin-bottom:16px}nav>div{gap:8px!important}nav button{font-size:12px;padding:10px 14px}main{padding:24px 12px}}