*{box-sizing:border-box}body{margin:0;padding:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Open Sans,Helvetica Neue,sans-serif;line-height:1.6;color:#2c3e50;background:linear-gradient(135deg,#f5f7fa,#c3cfe2);min-height:100vh}h1,h2,h3,h4,h5,h6{margin-top:0;line-height:1.2}p{margin-top:0}button,input,textarea,select{font-family:inherit}a{color:#007bff;text-decoration:none}a:hover{text-decoration:underline}.text-center{text-align:center}.text-left{text-align:left}.text-right{text-align:right}.mt-1{margin-top:.25rem}.mt-2{margin-top:.5rem}.mt-3{margin-top:1rem}.mt-4{margin-top:1.5rem}.mt-5{margin-top:3rem}.mb-1{margin-bottom:.25rem}.mb-2{margin-bottom:.5rem}.mb-3{margin-bottom:1rem}.mb-4{margin-bottom:1.5rem}.mb-5{margin-bottom:3rem}.p-1{padding:.25rem}.p-2{padding:.5rem}.p-3{padding:1rem}.p-4{padding:1.5rem}.p-5{padding:3rem}.btn{display:inline-block;padding:.5rem 1rem;margin-bottom:0;font-size:1rem;font-weight:400;line-height:1.42857143;text-align:center;white-space:nowrap;vertical-align:middle;cursor:pointer;border:1px solid transparent;border-radius:4px;transition:all .2s ease-in-out}.btn:hover{transform:translateY(-1px)}.btn-primary{color:#fff;background:linear-gradient(135deg,#667eea,#764ba2);border-color:#667eea;box-shadow:0 4px 15px #667eea66}.btn-primary:hover{background:linear-gradient(135deg,#5a6fd8,#6a4190);border-color:#5a6fd8;box-shadow:0 6px 20px #667eea99}.btn-success{color:#fff;background:linear-gradient(135deg,#11998e,#38ef7d);border-color:#11998e;box-shadow:0 4px 15px #11998e66}.btn-success:hover{background:linear-gradient(135deg,#0f877c,#32d96b);border-color:#0f877c;box-shadow:0 6px 20px #11998e99}.btn-danger{color:#fff;background:linear-gradient(135deg,#ff6b6b,#ee5a52);border-color:#ff6b6b;box-shadow:0 4px 15px #ff6b6b66}.btn-danger:hover{background:linear-gradient(135deg,#ff5252,#d32f2f);border-color:#ff5252;box-shadow:0 6px 20px #ff6b6b99}.card{background:#fffffff2;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-radius:16px;box-shadow:0 8px 32px #0000001a;overflow:hidden;border:1px solid rgba(255,255,255,.2);transition:all .3s ease}.card:hover{transform:translateY(-4px);box-shadow:0 12px 40px #00000026}.card-header{padding:1rem 1.5rem;background-color:#f8f9fa;border-bottom:1px solid #e9ecef}.card-body{padding:1.5rem}.card-footer{padding:1rem 1.5rem;background-color:#f8f9fa;border-top:1px solid #e9ecef}