*{box-sizing:border-box}body{margin:0;font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;background:#eaf3ff;color:#1a202c}main{max-width:960px;margin:0 auto;padding:24px}a{color:#2b6cb0;text-decoration:none}a:hover{text-decoration:underline}.header{margin-bottom:24px}.card{background:#fff;border:1px solid #e2e8f0;border-radius:8px;padding:18px;margin-bottom:16px}button{border:none;background:#2b6cb0;color:#fff;font-weight:600;padding:10px 16px;border-radius:8px;cursor:pointer;transition:background .2s ease,transform .2s ease}button:focus,button:hover{background:#1f4e8f;outline:none;transform:translateY(-1px)}button:active{transform:translateY(0)}input[type=password],input[type=text],textarea{width:100%;padding:10px 12px;margin:8px 0;border-radius:8px;border:1px solid #cbd5e0;background:#f8fafc;color:#1a202c;transition:border-color .2s ease,box-shadow .2s ease}input[type=password]:focus,input[type=text]:focus,textarea:focus{border-color:#2b6cb0;box-shadow:0 0 0 3px rgba(66,153,225,.2);outline:none}